Academic literature on the topic 'Export cable'

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Journal articles on the topic "Export cable"

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Jaaffar, Amar Hisham, Jegatheesan Rajadurai, Shahrul Suhaimi Ab. Shokor, Zurina Ismail, and Mohd Nur Ruzainy Alwi. "Preventing Accidents from Reoccurring due to Colour Coding Transition in Malaysian Market: a Stakeholder Analysis." International Journal of Engineering & Technology 7, no. 4.35 (November 30, 2018): 830. http://dx.doi.org/10.14419/ijet.v7i4.35.23116.

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The harmonization of cable colour code for electrical installation with the current international standard is very important for Malaysia to ensure supply cables, reliable quality, and reasonable cable price in the Malaysian market as well increase its cable’s export to all countries around the world. As the new cable colour code will associate with the change of the colour of the cored cable (e.g. black cored cable former neutral and later phase and blue cored cable former phase and later neutral), the adjustment may increase risk of electrical accidents due to confusion in cable colour code in wiring process. Therefore, a proper action and implementation plan is crucial in handling the cable colour changeover in the hope to safeguarding the safety of electrical trade workers as well as the general public in Malaysia. By using stakeholder analysis, this study propose the action and implementation plan which aimed zero electrical accidents during the cable colour code changeover in Malaysian market.
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Pilgrim, James, and Sean Kelly. "Thermal and economic optimisation of windfarm export cable." Journal of Engineering 2019, no. 18 (July 1, 2019): 4991–95. http://dx.doi.org/10.1049/joe.2018.9272.

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Gulski, Jongen, Rakowska, and Siodla. "Offshore Wind Farms On-Site Submarine Cable Testing and Diagnosis with Damped AC." Energies 12, no. 19 (September 27, 2019): 3703. http://dx.doi.org/10.3390/en12193703.

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: The current power cables IEC standards do not provide adequate recommendations for after-laying testing and diagnosis of offshore export and inter-array power cables. However the standards IEEE 400 and IEEE 400.4 recommend partial discharge monitored testing, e.g., by continuous or damped AC voltages (DAC). Based on the international experiences, as collected in more than 20 years at different power grids, this contribution focuses on the use of DAC for after-laying testing and diagnosis of submarine power cables both the export and inter-array cables. Higher risk of failure, long unavailability, higher repair costs, and maintenance costs imply that advanced quality control is becoming more important. The current state of the existing and drafting international standards are based on onshore experiences and not related to the actual serious problems experienced with failures on export up to 230 kV and inter-array cables up to 66 kV. The application of damped AC as a testing solution in this concern is specially discussed. The advantages of this testing technique, in combination with actual testing examples, show the findings on export and inter-array cables at offshore wind farms.
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Scholz, Janine, Eduard Wiebe, Volker Scheffer, and Christian Becker. "Economic power control for offshore wind farms with loop connection cables." at - Automatisierungstechnik 68, no. 9 (September 25, 2020): 765–80. http://dx.doi.org/10.1515/auto-2020-0067.

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AbstractThe Canadian developer and owner of green power facilities Northland Power Inc. owns two offshore wind farms (OWFs) in the German Bight, Deutsche Bucht and Nordsee One, operated by the subsidiary Northland Power Europe GmbH. The company supports and conducts research in the field of power flow optimization in wind farm networks. The work at hand represents the results of this effort to maximize the efficiency of the assets. The project was accomplished within a cooperation between the Nordsee One GmbH and the Institute of Electrical Power and Energy Technology at the Hamburg University of Technology.From an external point of view, an OWF represents an “en bloc” power plant connected to the onshore transmission grid via power export cables. Nevertheless, such a power plant comprises a complex, large-scale internal medium voltage network. In case of failure or cable outage, the network topology of an OWF may be modified and unintended overloading of inter-array cables (IACs) is possible. In order to address this issue, a new algorithm and software tool for economic power control in OWFs are introduced in the following which can be employed in wind farms with integrated loop connection cables (LCCs). This configuration particularly entails the risk of overloading cable segments depending on the present wind speed. The new algorithm provides the operator with adapted active power setpoints for each wind turbine generator (WTG) in a given network topology. The aim is to maximize OWF power generation and minimize internal power losses while secure network operation is guaranteed. Using load flow analysis based on WTG power output measurements, the load on each cable section is monitored and the cables can be utilized to their individual full capacity while overload is avoided. The practicability of the approach is demonstrated by means of simulation results.
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Bonnard, Charles-Henri, Anne Blavette, Salvy Bourguet, and Adrien Charmetant. "Modeling of a wave farm export cable for electro-thermal sizing studies." Renewable Energy 147 (March 2020): 2387–98. http://dx.doi.org/10.1016/j.renene.2019.09.135.

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Hernandez Colin, Maria A., Justin Dix, and James Pilgrim. "Export cable rating optimisation by wind power ramp and thermal risk estimation." IET Renewable Power Generation 15, no. 7 (March 16, 2021): 1564–81. http://dx.doi.org/10.1049/rpg2.12133.

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Mamatsopoulos, Vasileios A., Constantine Michailides, and Efstathios E. Theotokoglou. "An Analysis Tool for the Installation of Submarine Cables in an S-Lay Configuration Including “In and Out of Water” Cable Segments." Journal of Marine Science and Engineering 8, no. 1 (January 16, 2020): 48. http://dx.doi.org/10.3390/jmse8010048.

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Today, the offshore oil and gas and wind power industry is a heavily regulated segment, and current standards have established restrictions which yield a very limited weather window for submarine cable installations due to experience with cable failure in bad weather. There are two main limiting factors in current practice during cable installation of an S-lay configuration: the design criterion for the minimum allowable radius of curvature in the touch down point and the avoidance of axial compression in the touch down zone. Accurate assessment of the cable integrity during offshore installation has drawn great attention and is related to the existing available analysis and design tools. The main purpose of this paper is to develop and propose a quick and easy custom-made analysis tool, which is able to export similar results as sophisticated finite element analysis software. The developed tool utilizes analytical equations of a catenary-type submarine structure extended to account for varying cross-sections with different weights and/or stiffnesses, as is the real practice. A comparative study is presented in this paper to evaluate the significance for the modeling of the “out of water” cable segment required for accurate safety factor quantification during a laying operation. The efficiency and accuracy of the proposed tool are proven through a validation study comparing the results and the computational effort and time with commercial finite element analysis software. The analysis error in the case of not modeling the “out of water” cable part is significant, especially in shallow water areas, which proves the importance of using the proposed analysis tool.
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Bu, Chang Gen, Bo Long, J. W. Li, and L. Wang. "Fatigue Life Prediction of Spring Buffer in GCD-1500 Cable Drill." Advanced Materials Research 118-120 (June 2010): 820–24. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.820.

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Conventionally designed with quasi-static algorithm, buffer springs of impact mechanism eventually have a short fatigue life. By building a rigid-flexible hybrid model of GCD-1500 cable drill, the main fatigue causes of buffer springs are investigated so as to optimize the design of springs attached to impact mechanism. Dynamic simulation is used to export load spectrum of dynamic responses of springs in conditions of “idle impact” and different bore depths. Nominal stress method is employed in nSoft Software to analyze the fatigue of springs. Some crucial conclusions are drawn: the fatigue damage brought by load spectrum of dynamic response is more severe than that brought by quasi-static mono-pulse circulation; as the bore depth is prolonged, the damage of one impact will increase; the damage of “idle impact” is 25 times as serious as that of one impact when bore depth is 70m.
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Ukhanova, Inna. "The current state and prospects of Ukrainian enterprises export activity development on the European market of cable products." Socio-Economic Research Bulletin, no. 3(67) (October 30, 2018): 36–42. http://dx.doi.org/10.33987/vsed.3(67).2018.36-42.

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Maxwell, G., R. E. Stanley, and D. C. White. "The Strathspey Field, Block 3/4a, UK North Sea." Geological Society, London, Memoirs 20, no. 1 (2003): 355–68. http://dx.doi.org/10.1144/gsl.mem.2003.020.01.30.

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AbstractThe Strathspey Field was the first sub-sea development in the North Sea to be tied back to a third party operator, the Ninian Field now operated by Canadian Natural Resources (CNR). The field was discovered in 1975 by well 3/4-4 and lies wholly within Block 3/4a. The field is a tilted fault block, unconformity trap and consists of two separate reservoirs, a volatile oil and a gas condensate reservoir: the Middle Jurassic, Brent Group and the Lower Jurassic/Upper Triassic, Banks Group respectively. Two 3D seismic surveys cover the field, the most recent being a Vertical Cable Seismic survey recorded in 1996.The Banks Group reservoir is produced under depletion drive by five wells and the Brent Group reservoir by water flooding with 3 water injectors and 6 producing wells. In place volumes are 290 BCF and 90MMSTB for the Banks Group and 120MMSTR in the Brent Group Reservoir. Ultimate recoveries are estimated to be 230BSCF, 22MMBBL and 70MMSTB, 88 BSCF respectively. Oil export is via the Ninian pipeline system to Sullom Voe, while gas export is through the Far North Liquids and Gas System (FLAGS) pipeline system to St Fergus.]
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Dissertations / Theses on the topic "Export cable"

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Buscherini, Mattia. "War of current: HVAC o HVDC? Connessione in cavo per grandi impianti eolici offshore." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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L'elaborato è stato svolto all'interno del reparto di ingegneria di sistema di Prysmian PowerLink e tratta l'analisi e il dimensionamento di un export cable per la connnessione in corrente alternata a 220kV di una Wind farm posta a 120km dalla costa con potenza erogabile di 1GW. Vista la significativa distanza si è studiata una soluzione innovativa che prevede l'uso di una piattaforma di compensazione a metà linea. Il progetto è stato sviluppato provvedendo al dimensionamento elettrico, termico e meccanico della soluzione proposta. Sono state usate le equazioni previste dalle norme IEC di riferimento, dalle raccomandazioni Cigrè e alcune regole interne. E' stata cercata la soluzione che ottimizzasse maggiormente la sezione, prevedendo quindi modifiche progettuali per aumentare la capacità di portata della linea evitando costosi e inutili sovradimensionamenti. E' stato analizzato il profilo di corrente teorico e dimensionato il reattore necessario alla compensazione. Sono stati descritti poi gli accessori principali necessari per questo tipo di connessione ed infine è stata fatta una valutazione economica dell'intero sistema per poterlo confrontare con un sistema analogo in corrente continua, al fine di ricavare quale soluzione fosse la migliore sia dal punto di vista tecnico che dal punto di vista economico.
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Chen, Lyu-Shi 1958. "EXPERT SYSTEM FOR BROADBAND NETWORK CABLE PLANT DESIGN." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276490.

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This thesis implements the expert system technology in broadband network cable plant design to provide an automated design tool for the design engineer. Under this scheme, the knowledge of the cable plant design engineer can be captured and adapted into a manageable form. The various processes of this system include design rule checking, automatically blueprint layout, signal quality analysis and report generator. As we know, the broadband cable plant design shares 50% of the installation budget at the same time, it is a critical issue in the reliability, the extendability, and the manageability of the network system. It is important that the design can be verified before beginning installation. This is the goal of broadband cable plant design expert system tries to address.
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Yang, Shao-Shi 1958. "Expert system for broadband network cable plant physical layout." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276832.

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Broadband local area network cable plant design is a time consuming work, it takes lots of computation and it depends a lot on designer's experience. In this thesis the author presents an approach to cable plant design automation, the expert system was implemented in language SCHEME, symbol manipulation was used to generate the data structure (tree) which represent the design results. Signal level simulation can be performed based on the data structure.
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shiao, shiao-chun, and 蕭小軍. "To explore the policy influence of cable TV franchise combination." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/04315797376933335282.

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碩士
國立中山大學
傳播管理研究所
92
Abstract The main purpose of this article is to explore the policy influence of cable TV franchise combination. In order to break the local monopoly of Taiwan’s cable TV as well as considering the advance technological convergence proposed, Government Information Office (GIO) proposed the adjustment of the existing 47 franchise districts to a single franchise area in three phases in its Jan. 2003 report. The re-arrangement of the franchise region will cause a revolution in the industry. How will it influence those system operators? Is it possible to develop into another cable TV war by cutting prices to gain benefits of audiences? Do system operators have any action plans for the change? Can this policy benefit the industry’s development? This article will provide detailed discussions on these major issues. There are two ways to go about the research. The first is by the means of questionnaire; distribution of questionnaires to 62-system owners in Taiwan results in 54 effective samples gathered. The second is by means of in-depth interview; conducting interviews with industrial, legislative, and academic experts. After statistical analysis and content analysis, the research findings from these interviews are as follow: 1. The re-arrangement of cable TV franchise regions might cause significant competition between system operators. In the long run, it is unlikely that the cable TV industries will apply vicious competition tactics as previously done. It is believed that strategic alliance, stock exchange, and multiple service strategies will be implemented instead. 2. Under the influence of re-arranging franchise region policy and increasing new entry competitions, most system operators will focus on strengthening their network upgrade, customer service, and professional employee training. They are also likely to develop new business opportunities and to engage in cost-saving activities. 3. Most system operators support the policy with positive anticipation. The regulatory authority expects tremendous benefits for both audiences and cable industry. The scholars project an improvement in operators’ customer service quality. In summary, the policy is expected to have a positive influence on cable industry’s overall development. Since the policy has a major impact on the industry’s future, it is essential to meet all development needs of the cable industry. As research suggests that the authorities should communicate with all related parties before rolling out the franchise regional adjustment policy.
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CHEN, CHI-LING, and 陳紀伶. "Using UTAUT to Explore the Cable Television Viewer’s Acceptance of Digital Set-top Box." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/35413251718872565486.

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碩士
國立高雄應用科技大學
財富與稅務管理系碩士在職專班
104
Through UTAUT this research discusses the acceptance behavior of cable TV users for a digital set-top box, so as to provide integral adopted factors and usage behavior affecting the digital set-top box market. With cable TV users as research subjects, a total of 250 questionnaires were distributed, and 230 valid ones were retrieved. This research uses the linear structural equation to verify the research hypotheses, with the research results showing the main reasons for cable TV users to decide to adopt a digital set-top box include performance expectancy and facilitating conditions. Cable TV users’ behavior intention of using a digital set-top box has a significantly positive effect on usage behavior. According to the research results, cable TV users will still use a digital set-top box when they watch TV in the future.
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Hsu, Wen Tang, and 許文堂. "Enterprise ERP system to explore the critical success factors - to wire and cable industry as an example." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/65256920317820556437.

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碩士
國立政治大學
經營管理碩士學程(EMBA)
100
Abstract Taiwan's enterprises are facing competition from globalization, the ever-unpredictable business environment, competition and the challenges faced in the past more than the harsh, especially the traditional industries of wire and cable industry, the more difficult operational problems encountered. Response to environmental change is accelerating large-scale wire and cable industry, specialization, and even international diversification, the major plant will want the limited resources, breaking the traditional business model to identify, develop new industry landscape. Therefore, how to wire and cable industry internal resources to do the most reasonable and efficient configuration, wire and cable industry to further enhance their competitiveness, wire and cable industry at this stage the most important issue, and enterprise resource planning system (ERP), is a set of wire and cable industry can make the allocation of resources to optimize their information management systems, wire and cable industry also is used to optimize the internal resource integration system. Over the years, many foreign scholars, experts, researchers constructed for ERP system success factors to explore when and research, but less for wire and cable industry, inking, so wire and cable industry to understand the ERP functions, to further explore how to wire and cable industry successful ERP system is very important. In this study, a combination of wire and cable industry to solve some problems, resulting in a study of motivation. Moreover, a special wire and cable industry sector, product variety and complicated process, from copper procurement, site management of copper, copper hedge, sales, purchasing, manufacturing to delivery of the various stages of distribution and other operations, interlocking, must depended on a reliable and effective mechanism to assist the system. More and more willing to invest in wire and cable industry ERP, or plan to invest in the next few years, ERP, does not necessarily ensure that the project 100% successful, especially in wire and cable industry team did not import the ERP system and method, without the relevant literature for reference, for wire and cable industry, the choice is very limited and will face the risk of over-concentration difficulties. This study is to explore the ERP system to do so of wire and cable industry can clearly understand the actual impact of the ERP, as future directions for improvement, and management decision-making required to provide information. The purpose of this study in addition to the first exchange to import the entire general business success factors of ERP systems, but also by this study to further identify the wire and cable industry in the ERP system when the critical success factors, and then the final results obtained in this study provide other wire and cable industry in the future ERP system of reference.
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Jiang, Vivian, and 江珮君. "To Explore Influences of Triple-Play Service Trend to Taiwan Telecommunication and Cable Industry and Marketing Strategy." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/9u2qk5.

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碩士
國立交通大學
企業管理碩士學程
96
Telecommunication industry of USA has been through huge changes, since ten years ago. After 1996 Telecommunication Act, merge and acquisitions of USA telecommunication and cable companies happened more frequently and reshaped both industries a lot. Since both markets are nearly in mature stage and new techniques, like VoIP, are growing quickly, companies in these two industries are eager to expand their business scope into the other one’s market to prevent losing revenues and to create another growth curve. It’s where triple-play service emerging from. Most telecommunication and cable companies provide bundling services, including fixed-line voice, high-speed internet and TV services, to deepen their relationship with customers and increate their wallet share. The trip-play service trend is growing fast in USA and competitions between telecommunication and cable companies are getting huge. Meanwhile, Taiwan telecommunication and cable industry just opened trip-play service competition. How triple-play competition is going to impact companies in these two industries? Same as USA, telecommunication and cable markets in Taiwan are nearly mature, how should these companies handle with these circumstances and plan their marketing strategies to breakthrough existing limitations of mature market? This research is going to explore and analyze related issues to propose recommendations of marketing strategies that those companies could adopt for trip-play competition.
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Books on the topic "Export cable"

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Inc, ICON Group International. 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Japan. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Netherlands. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Honduras. Icon Group International, 2001.

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Inc, ICON Group International. 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in South Korea. Icon Group International, 2001.

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ICON, Group International Inc. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Turkey. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Singapore. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Guatemala. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Argentina. Icon Group International, 2001.

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ICON, Group International Inc. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Brazil. Icon Group International, 2001.

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Inc, ICON Group International. The 2000 Import and Export Market for Stranded Wire, Cable, and Cordage in Chile. Icon Group International, 2001.

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Book chapters on the topic "Export cable"

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Gao, Caixia, Yunping Wen, Fuzhong Wang, and Chunbo Wang. "Health Diagnosis Strategy for Coal Mine Underground Cable Line Based on Neural Network and Expert System." In Electrical, Information Engineering and Mechatronics 2011, 551–58. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2467-2_64.

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Grover, Jitender. "Issues in Underwater Cables Deploymentby Risk Analysis." In Energy-Efficient Underwater Wireless Communications and Networking, 279–86. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3640-7.ch018.

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Underwater cable deployment facilitates the coverage and speed of internet all over the world for various applications like international trade, various communication transfers, and other daily end user requirements. Also, critical network infrastructure below the water remains largely unexplored to end users because they are not directly related with its development. However, the risk of damage or destruction by unintentional underwater accident or intentional malicious threats leads to costly and communications disruptions. This chapter solves two primary goals. The first is to highlight the issues in underwater cable deployment that may be seen or unseen leads to various potential risks that could interrupt cable-supported services. The second goal is to explore the various possibilities for securing the organization to ensure business continuity.
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Verma, Deepti, Gaurav Gupta, and Kamat Keshav. "Buffet or à la Carte." In Understanding the Interactive Digital Media Marketplace, 32–42. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-147-4.ch004.

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Pricing strategy plays a key role in most organizations. The pricing decision of bundling or à la carte in the case of cable television industry is a long debated one. While consumers seem to favor the à la carte option, operators are persistent in continuing with the bundling options. In this chapter, we explore both sides of the argument. We then discuss several factors affecting the players in the eco-system of cable television industry; these include the subscriber-operator relationship, operator-distributor relationship, and the role of government policies affecting their decisions. In concluding we use these factors to conceptualize a framework that seeks to assist the players in the cable television industry in choosing an adequate pricing model.
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da Costa Bezerra, Kátia. "Monuments and Consumption." In Postcards from Rio. Fordham University Press, 2017. http://dx.doi.org/10.5422/fordham/9780823276547.003.0005.

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The chapter focuses on the design and decoration of Complexo do Alemão cable car stations and interviews of architects and state officials involved with the project. It also considers the photographic project Inside Out Providência and two videos in order to explore some of the contradictions and conflicts that lie behind the Complexo do Alemão and Wonder Port projects. The chapter discusses the ways cable car stations attempt to reframe the relationship between space, tourism, and the process of aestheticization of favelas. It considers the centrality of favelas in the marketing and branding of the city as a strategy to attract external investors and tourists. It also demonstrates how urban interventions are part of a process of commodification and social/racial cleansing.
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Aufderheide, Patricia. "Kopple’s Work within the Changing Documentary Business Ecology." In ReFocus: The Films of Barbara Kopple, 178–92. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474439947.003.0011.

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Barbara Kopple has both worked within, and helped to shape, a changing documentary environment. This chapter discusses the changing options and creative solutions Kopple has faced in funding and distributing her work. The independent documentary scene Kopple first encountered involved being funded primarily through government agencies and private foundations and distributed in theatres and on public television. She went on to explore relationships with major network television networks (e.g. Homicide) and cable outlets. She has developed a substantial body of work in sponsored documentaries, profiling organizations and people with whom she politically or socially has some kind of affinity. Throughout, she has been able to maintain relationships and exploit existing markets while exploring new ones. The chapter examines how her career also tracks the changing conditions for independent documentary filmmakers.
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ZHOU, B., and M. HOSHINO. "Expert System of Flexible Parametric Study on Cable-Stayed Bridges with Machine Learning." In Advances in Steel Structures (ICASS '99), 529–36. Elsevier, 1999. http://dx.doi.org/10.1016/b978-008043015-7/50062-2.

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"Application of Expert Group Neural Networks to Structural Health Diagnosis of Mau-Lo Creek Cable-Stayed Bridge." In Intelligent Engineering Systems through Artificial Neural Networks, Volume 16, 395–400. ASME Press, 2006. http://dx.doi.org/10.1115/1.802566.paper60.

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Schoechle, Timothy. "Introduction to the Study." In Standardization and Digital Enclosure, 1–17. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-334-0.ch001.

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This book is a study of the process of standardization—the process of establishing the technical standards that define nearly every artifact of the modern world. In the field of Information and Communication Technology (ICT)1 such standards are documents that specify everything from the prongs on plugs and cables to the software protocols that make the Internet work. Technical standards and standardization play a vital role in trade and commerce, and increasingly in economic and cultural globalization. The aim of this study was to setup a research project to explore the discourse around standardization and to analyze it to provide a better understanding of the underlying issues.
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Su, Miau-Bin, I.-Hui Chen, Shei-Chen Ho, Yu-Shu Lin, and Jun-Yang Chen. "Long-Term Monitoring of Slope Movements with Time-Domain Reflectometry Technology in Landslide Areas, Taiwan." In Landslides - Investigation and Monitoring. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89809.

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The study employs time-domain reflectometry (TDR) technology for landslide monitoring to explore rock deformation mechanism and to estimate locations of potential sliding surfaces in several landslide areas, Taiwan, over ten years. Comparing to laboratory and field testing, sliding surfaces in landslide areas occurred mainly at two types, namely shear and extension failure. The TDR technology is used for field monitoring to analyze locations of sliding surfaces and to quantify the magnitude of the sliding through laboratory shear and extension tests. There are several TDR-monitoring stations in six alpine landslide areas in the middle of Taiwan for long-term monitoring. A relation between TDR reflection coefficients and shear displacements was employed for a localized shear deformation in the field. Furthermore, the type of a cable rupture for the TDR monitoring in landslides can be determined as shear, extension, or compound failure through the field TDR waveforms. Overall, the TDR technology is practically used for a long-term monitoring system to detect the location and magnitude of slope movement in landslide areas.
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Goff, James, and Walter Dudley. "Afterword." In Tsunami, 203–8. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197546123.003.0017.

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The tsunamis discussed in this book are a drop in the ocean of the vast number of catastrophic events that have affected the planet. Tsunamis can be traced back almost 3.5 billion years, so it seems that people would be prepared for their wrath. This chapter notes the value of education, and it is through the work of organizations such as the Pacific Tsunami Museum in Hilo, Hawaii, that such education reaps vast benefits. Without organizations such as this, people can only realistically expect to die, or perhaps survive through sheer luck. This chapter discusses the exposure of modern society to global issues related to tsunamis, such as the breaking of submarine cables. This chapter also raises the specter of meteorological tsunamis—another unexpected hazard.
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Conference papers on the topic "Export cable"

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Guignier, Lucie, Riccardo Mariani, Arthur Cottet-Emard, Stéphane Toumit, and Thomas Choisnet. "Design of Dynamic High Voltage Cables for Floating Substation." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18798.

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Abstract This paper presents the design and performance assessment of 220kV dynamic export cables for a floating substation characterized by a ring-shaped floater known as Damping Pool. The main originality of the design presented is that the cables considered have dry conductors. They are shielded from the water by a longitudinally welded corrugated copper sheath. Similar cables have been operating at lower voltage levels and thus with thinner insulation thicknesses. The export cable configuration has been designed considering environmental conditions representative of both the Central North Sea, Pacific Coast of Japan or the US, in 100m water depth. Ultimate and fatigue limit-state design verification of the configuration are made through nonlinear time-domain analysis using coupled models comprising the floating substation hull, the mooring system and dynamic export cables. Fatigue limit-state design verification is based on the fatigue properties of the cable section, combined with appropriate S-N curves of the armour layers and metallic screen-sheath. Design verifications show that the dynamic export cable configuration proposed could satisfactorily meet the performance requirements for a service life over 25 years, considering proven cable equipment such as a bend stiffener remaining within today’s manufacturer molding capacities.
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Tjahjanto, Denny D., Andreas Tyrberg, and Jonathan Mullins. "Bending Mechanics of Cable Cores and Fillers in a Dynamic Submarine Cable." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62553.

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Dynamic submarine cables are used to provide electrical power to floating oil/gas production platforms and to export power from marine renewable energy systems such as floating wind turbines. During installation and life-time operation, the dynamic power cable is subjected to various loads, e.g. axial tension, bending and torsion. A typical three-phase AC cable consist of three helically-interwound power cores with three polymeric fillers to accomplish a circular circumference over which sheaths and tensile armour layers are applied. The present paper focuses on the mechanical behaviour of a dynamic submarine cable subjected to a combined axial tension, radial pressure and bending load. Particular interest is emphasized on the stick-slip behaviour of the helically-interwound power cores. 3D finite element (FE) model has been developed, where the interactions on all layers of the cable are extrinsically taken into account. The stick-slip behaviour of the power cores and the resulting friction stress induced during cable bending can have a large impact on the fatigue life of the dynamic cable. Kinematics of slips between the cable core components resulting from FE simulations will be analyzed and compared to the assumption of fully loxodromic slips typically used in the formulation of analytical model for helically-wound cables. The output of the present analyses will provide a better understanding on the mechanical behaviour of the power cores of dynamic submarine power cables in response to cable bending and provide a basis to verify and develop analytical models that can be used for, e.g. fatigue life assessments.
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Connaire, Adrian, Caitríona Killeen, Ivan Savitsky, Richard Anwasi, and Ruairí Nestor. "Methodology for Mitigation of Armour Wire Bird Caging in Offshore Wind Export Cables." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18772.

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Abstract Subsea export power transmission cables for offshore wind farms are being installed more extensively year-on-year due to the increasing demands for power output from renewable sources. With the increasing number of installations, the number of cable failures during installation has increased. One failure mode involves the temporary or permanent radial deformation of armour wires otherwise known as armour wire bird caging which occurs from a combination of twist, bending and compression loads which build up in a cable. This failure mode can lead to significant remediation costs and schedule delays for projects affected. In this paper, the authors present a method for predicting armour wire bird caging for generic installation configurations based on a review of the root causes from several historical bird caging failure instances. Various numerical models and analyses which simulate the installation conditions are described. The models simulate key response mechanisms including bending-induced twist and inter-layer separation within a cable. Cable loading conditions are compared with cable bird caging limits and the parameters which influence the onset of bird caging are identified. Based on a range of sensitivity analyses, handling curves to assist with installation are developed and a full-scale test validation programme is proposed. This work was performed for a project which received financial and technical support from The Carbon Trust’s Offshore Wind Accelerator (OWA), a collaborative R&D programme funded by nine leading offshore wind developers (EnBW, Equinor, Innogy, Ørsted, RWE, SPR, Shell, SSE, Vattenfall) and the Scottish Government.
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Thies, Philipp R., Magnus Harrold, Lars Johanning, Konstantinos Grivas, and Georgios Georgallis. "Performance Evaluation of Dynamic HV Cables With Al Conductors for Floating Offshore Wind Turbines." In ASME 2019 2nd International Offshore Wind Technical Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/iowtc2019-7536.

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Abstract Floating Offshore Wind turbine installations will require HV dynamic power cables to be connected to the of longer length static export power cables. Experience from offshore wind installations has highlighted the criticality of power cables, underlining the need for high integrity, yet cost effective cable solutions. This paper will assess the mechanical performance and load parameters for an Aluminum power conductor cable. Whilst copper is the conventional choice due to its lower resistive losses, Aluminum cores are increasingly used for static power cables, due to their benefits regarding overall cable weight and material cost. The work presented adopts a coupled aero-elastic and hydrodynamic modelling approach to simulate the behavior of the well-documented OC4 semi-sub platform, together with the 5MW NREL wind turbine. The model allows a direct comparison between the two cable types, maintaining the overall system and environmental conditions. The results inform the design envelope regarding the ultimate load conditions a for the two principle cable designs, providing global load estimates, such as effective tension and bending stresses, to inform the local stress analysis. Furthermore, the results will form the basis for future physical demonstration and validation tests. This paper will be of interest to technology developers and practitioners concerned with submarine dynamic power cables, offer a methodology to directly compare and evaluate different cable design options, and providing some design guidance for and aluminum conductor cables.
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McLaurin, David, Alan Aston, and John Brand. "Prevention of Offshore Wind Power Cable Incidents by Employing Offshore Oil/Gas Common Practices." In ASME 2021 3rd International Offshore Wind Technical Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/iowtc2021-3524.

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Abstract It has been observed that, although submarine power cables have a critical role to wind power arrays and power export to shore, they are often overlooked at early stages of projects and oversimplified during late stages. This leads to lack of attention given during cable design and planning, as well as pressured schedules during manufacturing, testing and installation. The significant number of incidents attributed to offshore submarine cables during construction has increased overall project risk, lowered system average power availability and increased insurance costs. Lack of proper routing can also result in an inability to maintain asset integrity for the project design life. Despite the attention that submarine power cables have received over the past few years, the number and cost of incidents does not appear to be decreasing. A comparison can be made between offshore HVAC and HVDC cables used for wind power and offshore umbilicals and MV cables used in the oil and gas sector. These umbilicals are often similar in weight, size and bending stiffness, and have similar design, manufacturing, routing and installation challenges, but with a fraction of the incidents observed with offshore wind array and export cables. An additional caveat is that the offshore oil and gas sector has achieved a reliable track record while installing and maintaining these umbilicals and cables in fully dynamic conditions (ultra-deep water) as well static conditions. One primary difference between how the oil and gas sector executes these systems are design, planning and specification from an early stage of the project. Significant attention is given at an early stage to quality control, including offshore routing and umbilical testing specifically to avoid incidents resulting in umbilical damage due to the tension and crushing forces during installation as well as ambient seawater and seabed interaction. Management of these risks are documented, and optimal mitigation strategies are implemented early in the design phase. This paper will discuss the types of incidents which have been observed during construction and installation of submarine HVAC/HVDC cables in the wind power sector and how they could have been prevented by normal practices of the offshore oil/gas sector from early design and planning all the way to installation and commissioning.
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Bonnard, C. H., A. Blavette, Salvy Bourguet, Thomas Soulard, and Yves Perignon. "Near-optimal use of a MRE export cable considering thermal and techno-economic aspects." In 2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe). IEEE, 2020. http://dx.doi.org/10.1109/isgt-europe47291.2020.9248908.

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Small, Andrew A., Greg K. Cook, and Michael J. Brown. "The Geotechnical Challenges of Tidal Turbine Projects." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23892.

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Tidal energy projects offer a predictable renewable energy source. Therefore several sites around the coast of the United Kingdom (UK) have been identified to have the potential to host multiple array turbine developments that could be used to generate upwards of 100MW each. However, the high tidal energy environment required to provide the input to tidal power devices present a combination of design and installation challenges to developers and engineers. Whilst the water depths are comparable to offshore oil and gas projects in the southern North Sea, tidal energy projects present significantly different seabed and associated geotechnical challenges that require novel solutions. Concerns have been expressed regarding the design of turbine base structures, which is often based upon typical nearshore/offshore soil sampling and geotechnical laboratory testing techniques that are often inappropriate for the seabed materials encountered. This issue is further compounded by the design constraints imposed on the base structure foundations (e.g. tripod gravity base structures). These include strict leveling tolerances required for efficient turbine operation, and which require a detailed understanding of seabed bathymetry at each turbine location where multiple seabed contact points may be required. In addition to the tidal energy turbines, inter-array cables that connect the turbines and export cable routes which distribute the power to shore also present their own design and installation challenges. It is often overlooked, but significant uncertainty lies in the definition of cable corridors with respect to the seabed materials. In many cases burial may be considered as a means of product protection where seabed conditions allow. This paper aims to examine the geotechnical issues associated with the difficult seabed and environmental conditions present at typical tidal turbine sites in the UK and globally in an attempt to offer some potential solutions. These issues typically include; difficulties in performing site investigation operations, coarse mobile seabed sediments, challenging seabed topography, exposed bedrock and hard substrates, derivation of appropriate geotechnical parameters, difficulties in foundation design and installation, high cyclic environmental loading, array and export cable lay, on-bottom stability and mechanical protection, amongst others.
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Provasi, Rodrigo, Leonardo Riccioppo Garcez, Christiano Odir Cardoso Meirelles, Clovis de Arruda Martins, Andre Freitas Barbosa, and Olaf Oswaldo Otte Filho. "An Integrated Environment for Design and Analysis of Umbilical Cables." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61857.

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The design of an umbilical cable begins with the definition of the operational functions it must implement and the environmental conditions to that it will be subjected to. Those functions suggest the components that it must have, usually chosen from a pre-defined set. Also, structural elements must be added, based on project and manufacture requirements, so the cable can withstand the environmental conditions of use. All the components must be geometrically arranged and the cross section of the cable must be defined, usually with the help of CAD software. But the structural behavior of the designed cable must be analyzed under several environmental conditions, using numerical and analytical tools. If this behavior does not fulfill the desired structural requirements, the cable must be redesigned: structural and functional components must be changed and the cross section of the umbilical must be rearranged in an iterative process. This article presents an environment that integrates a CAD tool dedicated to the design of the cross section of an umbilical cable with structural analysis tools, both analytical (Utilflex) and numerical (UFLEX2D). The CAD tool architecture is based on a component-instance model that enables both drawing and reusing of components. It also can export the designed cross-section to AutoCAD using AutoLISP language. Finally, it automates the generation of the data-sheet of the designed umbilical both in AutoLISP and Microsoft Word, including the basic structural properties calculated by means of analytical formulae.
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McGhee, James, Doug Newlands, Stuart Farquhar, and Herbert L. Miller. "Control Valve Design Impact on Piping Vibration." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60634.

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Vibration of the recycle piping system on the Main Oil Line (MOL) Export Pumps from a platform in the North Sea raised concern about pipe breakage due to fatigue. Failures had already occurred in associated small bore piping and the instrument air supply lines and control accessories on the recycle flow control valves. Concern also existed due to the vibration of non-flowing pipe work and systems such as the deck structure, cable trays and other instrumentation, which included fire and gas detection systems. Many changes involving bracing of small bore attachments, stiffening of supports, adding supports and stiffing the deck structure were implemented without resolving the problem. The vibration was finally solved by adding enough pressure stages to assure the valve trim exit velcoities and energy levels were reduced to levels demonstrated historically as needed in severe service applications. This vibration energy reduction was more than 16 times. This was achieved by reducing the valve trim exit velocity from peaks of 74 m/s to 12 m/s (240 ft/s to 40 ft/s).
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Burgess, B. A., T. Clayton, A. Boday, and J. Krimm. "Development of a Cable Test Management System (CTMS) Application." In SNAME Maritime Convention. SNAME, 2013. http://dx.doi.org/10.5957/smc-2013-p32.

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The Test & Trials Department at HII-Ingalls Shipbuilding is responsible for testing specified electrical cables installed on ships under construction at Ingalls Shipbuilding. These tests are conducted on ships which can have tens of thousands of cables pulled, thus HII-Ingalls Shipbuilding personnel must manage a large amount of cable business data. The various tests are performed by skilled Test Conductors using a largely manual, paper-based process to gather and manage the test data. Test & Trials Department personnel maintain these datasets and associate specific Test Procedures to ship equipment operating requirements by cable or circuit type. CTMS required developing two way communications: 1) Between the CN3 mobile device and a windows computer with an Access database containing specific cable information and used as a repository for the actual test results and 2) Between the CN3 mobile device and the test equipment to pass specific test criteria to the test equipment and the test conductor and to capture the actual results. Custom device drivers were written to allow direct serial communication between the Intermec CN3 handheld computer and the Anritsu Site Master™ S820D Analyzer. This setup allowed the team to meet the goals of the project; leveraging existing devices to improve data reliability and expose new potential for process improvement in the cable test environment.
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Reports on the topic "Export cable"

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Schaefer, R. M. CABPRO: An expert system for process planning multiwire cables. Final report. Office of Scientific and Technical Information (OSTI), April 1994. http://dx.doi.org/10.2172/10144229.

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