Academic literature on the topic 'Total transmission active losses'

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Journal articles on the topic "Total transmission active losses"

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Katsadze, T. L., V. V. Chizhevskyi, N. V. Buslova, and V. V. Cherkashina. "DETERMINATION OF ACTIVE POWER LOSSES COMPONENTS IN LONG-DISTANCE AC POWER TRANSMISSION." Tekhnichna Elektrodynamika 2022, no. 4 (2022): 54–58. http://dx.doi.org/10.15407/techned2022.04.054.

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The components of active power losses in long-distance AC power transmission are investigated. It is shown that in the modes of low and medium loads the main share of losses are corona losses. The imperfection of the current method of determining the corona power losses, which are climatic in nature, determines the method of separating these losses from the total after calculating the load power losses. A four-component formula for determining the load losses of active power is obtained. It is shown that to clarify the calculation model it is necessary to take into account the actual temperatu
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Uzor, J. C., D. C. Oyiogu, and C. O. Ikaraoha. "Reduction of Active and Reactive Power Losses on Transmission Lines using SSSC." International Journal of Research and Innovation in Applied Science VIII, no. IV (2023): 92–108. http://dx.doi.org/10.51584/ijrias.2023.8412.

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This paper discusses a comprehensive study on reduction of power (active and reactive) losses in transmission lines using a second generation FACTS device, Static Synchronons Series Compensator (SSSC). Modern restructured power systems sometimes operate with heavily loaded lines resulting in power losses and higher voltage deviations, which may lead to mal-operation of power system and eventual collapse of the system. This is mainly due to continuous and uncertain growth in demand for electrical power. The paper presents a methodology to solve the problem of power losses in the Nigerian 28 – b
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Kuchanskyy, V. V., and D. O. Malakhatka. "PARAMETRIC OPTIMIZATION OF OPERATING MODES OF BULK ELECTRICAL NETWORKS BY CRITERIA ACTIVE POWER LOSSES." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2021, no. 59 (2021): 72–80. http://dx.doi.org/10.15407/publishing2021.59.072.

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It is shown that the use of controlled shunt reactors enables, based on ultra-high voltage transmission lines, to create a controlled generation of new generation FACTS types that meet the requirements of modern power systems and combinations. Typical modes of operation of the high-voltage power line with installed controlled shunt reactors are analyzed. The efficiency of the use of controlled shunt reactors as measures of transverse compensation in ultrahigh voltage transmission lines is shown. The article shows that due to a smooth change in the consumption of excess reactive power of the tr
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Karaeva, Nurzat. "ANALYSIS OF EXISTING APPROACHES TO ACCOUNTING ADDITIONAL LOAD ACTIVE POWER LOSSES IN 0.38 kV NETWORK ELEMENTS." International Journal of Advanced Logistics, Transport and Engineering 8, no. 4 (2023): 26–33. http://dx.doi.org/10.52167/2790-5829-2023-8-4-26-33.

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The article presents the results of an analysis of existing approaches to taking into account additional load losses of active power in network elements with a voltage of 0.38 kV. There are many approaches to determining additional electricity losses, but most authors agree that the values ​​of these losses are significant and must be taken into account in the structure of load electricity losses. It is noted that inactive components of total power are factors that negatively affect the efficiency of energy transmission, causing additional losses of active power. The search for technical solut
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Prakash, Kumar Hota, and Prasad Naik Atulya. "A New Methodology for Active Power Transmission Loss Allocation in Deregulated Power System." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (2017): 1725–27. https://doi.org/10.11591/ijece.v7i4.pp1725-1737.

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This paper presents a new method for transmission loss allocation in a deregulated power system. As the power loss is a nonlinear quantity, so to allocate the loss in a common transmission corrider is a difficult task. It allocates transmission losses to loads based on the actual power flow in the lossy lines due to the concerned load. Each lossy line is subdivided into as many sub-lines as corresponding to the numbers of load attached to it. The tracing of power flow through each sub-line is worked out by using proportional sharing method. The power loss in each lossy line is equal with the t
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Yu. F. Romaniuk, Yu F., О. V. Solomchak, and М. V. Hlozhyk. "Improving the efficiency of oilfield electric power distribution." Oil and Gas Power Engineering, no. 2(32) (December 27, 2019): 79–87. http://dx.doi.org/10.31471/1993-9868-2019-2(32)-79-87.

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The issues of increasing the efficiency of electricity transmission to consumers with different nature of their load are considered. The dependence of the efficiency of the electric network of the oil field, consisting of a power line and a step-down transformer, on the total load power at various ratios between the active and reactive components of the power is analyzed, and the conditions under which the maximum transmission efficiency can be ensured are determined. It is shown by examples that the power transmission efficiency depends not only on the active load, but also largely on its rea
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B., Yashodha, and Neelakanteshwar Rao B. "Evaluation of Distribution System State Variables using Forward-Backward Sweep Technique." Advancement and Research in Instrumentation Engineering 7, no. 1 (2023): 1–17. https://doi.org/10.5281/zenodo.10394948.

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<em>Load stream examination of appropriation frameworks has not gotten a lot of consideration, dissimilar to stack stream investigation of transmission frameworks. Nonetheless, some work has been finished on load stream examination of a dissemination system; however picking an answer technique for a common sense setting is frequently troublesome. In general, distribution networks have a radial structure and the R/X ratio is very high. Load flow analysis of a power system is used to determine the steady-state solution for a given set of bus loading conditions. The solution of a load flow or pow
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Mbuli, N., A. Dyantyi, and J. H. C. Pretorius. "Potential for grid efficiency based on a combination of leakage reactances of transformers of a transmission interconnecting line: Application of an exhaustive search algorithm." Journal of Energy in Southern Africa 30, no. 4 (2019): 1–12. http://dx.doi.org/10.17159/2413-3051/2019/v30i4a6044.

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Transmission interconnecting lines (called interconnectors in this study) are built to facilitate the exchange of active and reactive power between two areas of a network. Step-up and step-down transformers are required at the ends of the interconnector when interconnectors are at a different voltage, usually higher, than the networks to be connected. A study was carried out to examine the impact on active power losses of a combination of leakage reactances of the transformers at the ends of an interconnector. The study assessed whether combinations can lead to different levels of active power
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Hota, Prakash Kumar, and Atulya Prasad Naik. "A New Methodology for Active Power Transmission Loss Allocation in Deregulated Power System." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (2017): 1725. http://dx.doi.org/10.11591/ijece.v7i4.pp1725-1737.

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This paper presents a new method for transmission loss allocation in a deregulated power system. As the power loss is a nonlinear quantity, so to allocate the loss in a common transmission corrider is a difficult task. It allocates transmission losses to loads based on the actual power flow in the lossy lines due to the concerned load. Each lossy line is subdivided into as many sub-lines as corresponding to the numbers of load attached to it. The tracing of power flow through each sub-line is worked out by using proportional sharing method. The power loss in each lossy line is equal with the t
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Hussein, Shaimaa A., Dhari Yousif Mahmood, and Ali Hussein Numan. "Loss reduction of transmission lines using PSO-based optimum performance of UPFC." Bulletin of Electrical Engineering and Informatics 12, no. 3 (2023): 1237–47. http://dx.doi.org/10.11591/eei.v12i3.4559.

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Transmission line losses are one of the essential topics and issues in power systems research. Several methods and techniques have been used to reduce these losses, and one of these modern techniques is flexible alternating current transmission systems (FACTS). In this paper, one of the most important types of this technology, the unified power flow controller (UPFC), was used to reduce losses in the Iraqi national grid (ING) 400 kV. This paper presents an efficient method for minimizing losses of transmission lines in the ING system (400 kV) 46-bus approach. A particle swarm optimization (PSO
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Dissertations / Theses on the topic "Total transmission active losses"

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Santos, Junior Bartolomeu Ferreira dos. "UMA METODOLOGIA PARA ALOCAÇÃO DE PERDAS ATIVAS DE TRANSMISSÃO EM AMBIENTE COMPETITIVO." Universidade Federal do Maranhão, 2007. http://tedebc.ufma.br:8080/jspui/handle/tede/437.

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Made available in DSpace on 2016-08-17T14:53:08Z (GMT). No. of bitstreams: 1 Bartolomeu ferreira.pdf: 2681101 bytes, checksum: 05d2fad3f69568c193c20ccd8addecd7 (MD5) Previous issue date: 2007-04-13<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The goal of loss allocation methodologies is to share the responsibility for transmission losses among generators and loads. Several loss allocation methods have been developed to solve this problem. However, there is not consensus regarding to the most appropriated approach methodology. There are some methods presenting suitable
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Belati, Edmarcio Antonio. "Sensibilidade em fluxo de potência ótimo." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/18/18133/tde-07102015-154129/.

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Neste trabalho propomos uma abordagem para a resolução do problema de Fluxo de Potência Ótimo (FPO) perturbado. A metodologia consiste na obtenção da solução ótima para o problema inicial via um programa de FPO, e na utilização de sensibilidade para estimar novas soluções depois de ocorridas algumas perturbações no problema. Essas perturbações são variações de carga em uma ou mais barras do sistema. A técnica de sensibilidade está baseada nas informações de segunda ordem e nas condições de otimalidade. A obtenção da solução após ocorrerem perturbações no sistema é direta e não necessita de par
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Book chapters on the topic "Total transmission active losses"

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Ong, Corinne, Cecilia Tortajada, and Ojasvee Arora. "Water Losses." In SpringerBriefs on Case Studies of Sustainable Development. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8677-2_5.

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AbstractThe volume of water losses depends largely on the approach to active leakage control of the water networks. Losses comprise physical losses (leakages on transmission and/or distribution networks, at utility’s storage tanks, and on service connections), commercial losses (unauthorised consumption and metering inaccuracies and data handling errors) and unbilled authorised consumption (unbilled metered and unmetered consumption). Reduction of real water losses may be achieved through leak detection and pipe repair and replacement, district metered areas (DMAs), and pressure management. Wa
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Shevchenko, Sergii, Dmytro Danylchenko, and Stanyslav Dryvetskyi. "Devising a Method for Reducing Active Power Corona Losses Based on Changing the Structural Parameters of a Power Transmission Line." In Studies in Systems, Decision and Control. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35088-7_14.

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Friis, Guillermo, and Mary E. Killilea. "Mangrove Ecosystems of the United Arab Emirates." In A Natural History of the Emirates. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37397-8_7.

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AbstractGray mangroves (Avicennia marina) represent the only evergreen forests of the United Arab Emirates (UAE), where they occur at the northern edge of the species’ range and are subject to extreme environmental conditions. Mangroves occur both throughout the western and eastern coasts of the seven Emirates, either in natural or restored populations. They act as ecosystem engineers, creating a habitat that is exploited by a wide variety of organisms, including species of conservation concern. As the only mangrove species of the Arabian Gulf, the gray mangroves represent a relevant asset for
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Santeramo, F. G., T. Balezentis, and M. Tappi. "Weather and Yield Index-Based Insurance Schemes in the EU Agriculture: A Focus on the Agri-CAT Fund." In Springer Actuarial. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-80574-5_3.

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Abstract Agriculture is the most vulnerable sector to climate change, e.g., temperatures or rainfall may significantly affect the crop yields, also leading the proliferation of pathogens and hence pests and diseases [1]. The total economic losses from weather- and climate-related have caused damages reaching nearly 487 billion of euros in EEA member countries since 1980, and just 3% of all events are responsible for 60% of economic losses [2]. Extreme weather events such as heavy precipitation, flood, drought, frost, heat, and strong wind are more and more frequent, intense, long-lasting, and
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Datta, Debasish. "Transmission Impairments and Power Consumption in Optical Networks." In Optical Networks. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198834229.003.0010.

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The physical layer in optical networks suffers from various transmission impairments due to the non-ideal passive and active devices used therein. For example, losses in various passive optical devices and fiber links, noise generated in optical receivers and amplifiers, dispersion and nonlinear phenomena in optical fibers, and crosstalk in optical switches can degrade the quality of the received signal at some destination nodes, thereby increasing the receiver BER beyond an acceptable limit. However, power consumption in various active devices across a network keeps increasing with the growth
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Al-Subhi, Ahmad, and Hesham K. Alfares. "Linear Programming Based on Piece-Wise Linearization for Solving the Economic Load Dispatch Problem." In Advances in Civil and Industrial Engineering. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8223-6.ch002.

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This chapter discusses the application of linear programming (LP) techniques to find the optimal solution of the economic dispatch (ED) problem without considering transmission losses. The ED problem is concerned with optimizing the power generated by several generating units. The objective is to find the optimal power produced by each unit to supply the required load at minimum total cost. The generation cost associated with each unit is usually in the form of a quadratic or cubic function of the power produced. To apply LP, these nonlinear cost functions have to be linearized. The optimal so
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Aminlouei, Reza Tanha. "A New Modeling and Application of Hierarchical Production Planning Approach." In Advances in Civil and Industrial Engineering. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2098-8.ch007.

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In real power systems, power plants are not in the equal space from the load center, and their fuel cost is different. With common utilization conditions, production capacity is more than total load demand and losses. Therefore, there are different criteria for active and inactive power planning in each power plant. The best selection is to choose a framework in which the utility cost is minimized. On the other hand, planning in power systems has different time horizons; thus, for effective planning in power systems, it is very important to find a suitable mathematical relationship between the
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Sharma, Manish, Pargin Bangotra, and Alok Sagar Gautam. "Consequence of Meteorological Parameters on the Transmission of Covid-19." In Biotechnology to Combat COVID-19 [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98978.

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Coronavirus disease (COVID-19) was first detected in Wuhan, China in December 2019. The characteristics of the spread of COVID-19 infection from one person to another have led to an increasing number of infected cases and caused tremendous pressure around the world. The rapid spread of COVID-19 infection has made it a pandemic. In India, as of mid-May 2020, there were approximately 75,048 confirmed cases and 2,440 deaths due to COVID-19 alone. In order to break the COVID-19 chain, the Indian government decided to implement a lockdown, which was first implemented on March 23, 2020. The signific
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Gade, Narendra Rajaram, Ravi Dhondiba Suryavanshi, Pravin Suryawanshi, Arati Barik, and Rahul Bhalerao. "Financial Risk Analysis for Crude Oil Buried Pipeline System." In Maintaining Financial Stability in Times of Risk and Uncertainty. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7208-4.ch015.

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Buried pipelines are the most lucrative deal in today's transportation for transmission of vital fluids and liquids. However, with the advent of disasters, the continuous flow through these indispensable systems gets hampered. The purpose of this chapter is twofold: one is to develop a simulation approach to capturing the effect of risk/disaster due to unforeseen events on buried pipeline, and the second is to gauge financial losses due to such uncertain events. A simulation model considering hoop, longitudinal, and radial stresses on continuous flow carrying buried pipeline subjected to uncer
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Kumar, G. V. Nagesh, B. Venkateswara Rao, D. Deepak Chowdary, and Polamraju V. S. Sobhan. "A Computational Comparison of Swarm Optimization Techniques for Optimal Load Shedding Under the Presence of FACTS Devices to Avoid Voltage Instability." In Critical Developments and Applications of Swarm Intelligence. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5134-8.ch008.

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Voltage instability has become a serious threat to the operation of modern power systems. Load shedding is one of the effective countermeasures for avoiding instability. Improper load shedding may result in huge technical and economic losses. So, an optimal load shedding is to be carried out for supplying more demand. This chapter implements bat and firefly algorithms for solving the optimal load shedding problem to identify the optimal amount of load to be shed. This is applied for a multi-objective function which contains minimization of amount of load to be shed, active power loss minimizat
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Conference papers on the topic "Total transmission active losses"

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Long, Justin, and Stephen Conlon. "Airframe Active Vibration-Based Damage Detection and Localization." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9644.

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The development of damage detection, localization and automation techniques is crucial for the successful integration of structural health monitoring technologies in rotorcraft. This study focused on the development of a nonlinear vibration spectroscopy based damage detection and localization method. A progression of damaged joint conditions was created in a prototypical stiffened aluminum plate test bed. Active vibration sources were used to excite the structure, and strain sensor rosettes were used to measure the nonlinear vibration responses induced by the damage. Using a systematic approac
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Habibi, Nazima, Saif Uddin, Abdul Hameed Al-Hashem, Anisha Shajan, Nasreem Abdul Razzack, and Farhana Zakir. "Biocide Resistance in Microbes – an Oilfield Example." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19122.

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Abstract Biocorrosion causes huge economic losses to the oil and gas industry. Microbes such as sulphate-reducing bacteria (SRBs), acid-producing bacteria (APBs), methanogens, iron-reducing bacteria (IRBs), sulphate-oxidizing bacteria (SOB) are the critical drivers of souring, biofouling, clogging, pitting and bio filming. The use of seawater and wastewater for enhanced oil recovery further exacerbates biocorrosion. This increased biocorrosion is primarily observed in injection wells using the wastewater-seawater. Significant concentrations of biocides are injected to address this. These bioci
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Verma, Shivam, Kuwar Yatendra, Ranitesh Gupta, and Arunima Verma. "Total Harmonic Distortion Calculation in Modified Feeder Distribution System." In International Conference on Energy Transition and Innovation in Green Technology. REGIONAL ENERGY RESOURCES INFORMATION CENTER (RERIC), 2025. https://doi.org/10.64289/rericproc.25.0105.9982357.

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With the growing demand for electric power, it is becoming necessary to ensure a continuous supply in both low and high-voltage distribution systems. Distribution systems integrated with modern distributed generation (renewable energy resources) enhance power reliability and comply with carbon emission policies worldwide. These policies benefit society by reducing greenhouse gases, promoting clean air, and encouraging sustainable practices and technologies. Flexible AC transmission systems devices like static VAR compensators are used to mitigate transmission power quality issues, while custom
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Kazakbayeva, Zhanna, Almas Kaidarov, Andrey Magda, et al. "Successful Implementation of Managed Pressure Drilling and Managed Pressure Cementing Techniques in Fractured Carbonate Formation Prone to Total Lost Circulation in Far North Region." In SPE Eastern Europe Subsurface Conference. SPE, 2021. http://dx.doi.org/10.2118/208508-ms.

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Abstract Drilling reservoir section in the oilfield located in Far North region is challenged with high risks of mud losses ranging from relatively minor losses to severe lost circulation. Numerous attempts to cure losses with traditional methods have been inefficient and unsuccessful. This paper describes implementation of Managed Pressure Drilling (MPD) and Managed Pressure Cementing (MPC) techniques to drill 6-1/8″ hole section, run and cement 5″ liner managing bottomhole pressure and overcoming wellbore construction challenges. Application of MPD technique enabled drilling 6-1/8″ hole sect
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Sobayo, Abiodun Sulaimon, Oluwaseun Ibrahim Adejumobi, Isaiah Adediji Adebisi, and Daniel Oluwasegun Adams. "Contingency Approach for Static Security Assessment on the Nigerian 330 Kv Electric Power Transmission Grid." In 2023 School of Engineering and Engineering Technology Annual Conference. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-stvce4.

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Static security is the property of power system to maintain steady or stable operating state when contingencies such as line outages or component failures occur to avoid economic and technical losses. This study assessed the static security of the Nigerian 330 kV, 30-bus electric power transmission grid using a contingency approach. The steady state performance of the power system was modelled using Newton-Raphson based load flow equations and simulated in ETAP software environment. Bus voltage and line loading violations were determined by observing the voltage profile and line flows complian
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Johnson, Marty, Ozer Sacarcelik, and Tony Harris. "Weight Optimized Structural and Acoustic Actuators for the Control of Sound Transmission Into Rocket Payload Compartments." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61205.

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The reduction of sound transmission into rocket payload compartments is a challenging application for active control due to the broadband nature of the disturbance, the large structural and acoustic space and the very high acoustic levels required. The exterior acoustic field that drives the payload fairing at liftoff is typically in the order of 145dB and the active control system must be able to counteract this high drive level using lightweight actuators. This paper is concerned with the development of structural and acoustic actuators for this application with the emphasis on maximum outpu
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Yao, Yuzhou, Zhining Zhang, Junchong Fan, et al. "Modular Multilevel GaN Based Ultra-High Power Density Electric Power Conversion and Transmission on the Lunar Surface." In Energy & Mobility Technology, Systems, and Value Chain Conference and Expo. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-1509.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;NASA’s Watts on the Moon Challenge is seeking solutions to transfer at least 1.065 kW power from a 120 V dc source to a 24-32 V dc load over a 3-km distance under the same environmental conditions as the Lunar surface (i.e., 77 K temperature and 1 mTorr pressure). The selected solution from the author’s team proposed utilizing two modular multilevel Gallium Nitride (GaN) based isolated dc-dc converters to connect the 120 V dc source with the 24-32 V dc load bank via 1.5 kV rated dc transmission lines. The modular multile
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Alawar, N., S. Raniolo, C. Esposito, et al. "Production Enhancement Through Subsea Wells Reactivation Via Topside Technology: Offshore Libya Gas Field." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/217052-ms.

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Abstract This paper discusses a real case study application of a topside technology that allowed an operator to re-establish the raw gas production without any subsea campaign in offshore Libya. The approach consists of enhancing the subsea cable insulation by the transmission of a passivation signal to produce an electrokinetic/electrochemical effect that increases the Insulation Resistance (IR) thus enabling electrical power to be re-applied and leading to subsea well reactivation. Long term operation and exposure to harsh subsea environment conditions can lead to insulation degradation in c
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Krechel, Thomas, Francisco Sanchez, Francisco Gonzalez-Longatt, Harold R. Chamorro, and Jose Luis Rueda. "A Transmission System Friendly Micro-grid: Optimising Active Power Losses." In 2019 IEEE Milan PowerTech. IEEE, 2019. http://dx.doi.org/10.1109/ptc.2019.8810894.

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Horvat, M., J. Vorsic, A. Orgulan, and G. Skerbinek. "Reduction of active losses with reconfiguration of electricity distribution networks." In 1999 IEEE Transmission and Distribution Conference (Cat. No. 99CH36333). IEEE, 1999. http://dx.doi.org/10.1109/tdc.1999.755332.

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Reports on the topic "Total transmission active losses"

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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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Grumet, Rebecca, and Benjamin Raccah. Identification of Potyviral Domains Controlling Systemic Infection, Host Range and Aphid Transmission. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7695842.bard.

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Potyviruses form one of the largest and most economically important groups of plant viruses. Individual potyviruses and their isolates vary in symptom expression, host range, and ability to overcome host resistance genes. Understanding factors influencing these biological characteristics is of agricultural importance for epidemiology and deployment of resistance strategies. Cucurbit crops are subject to severe losses by several potyviruses including the highly aggressive and variable zucchini yellow mosaic virus (ZYMV). In this project we sought to investigate protein domains in ZYMV that infl
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Roth, Vathana, and Siela Bossba Benghong. Impact on the Lives and Livelihoods of Factory Workers during COVID-19. Cambodia Development Resource Institute, 2023. https://doi.org/10.64202/wp.140.202306.

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This study analyses the impacts of COVID-19 on the lives and livelihoods of workers in the garment, textile and footwear manufacturing in Cambodia, a sector which employed approximately 800,000 people (80 percent of whom were female) and contributed about 70 percent to the country’s annual total export value prior to the pandemic. The analysis examines potential disproportionate effects of the pandemic on women and men, focusing on earnings, consumption and remittances, possible conflicts at home and workplace, mental health, coping strategies and receipts of in-cash and in-kind assistance fro
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Stall, Nathan M., Kevin A. Brown, Antonina Maltsev, et al. COVID-19 and Ontario’s Long-Term Care Homes. Ontario COVID-19 Science Advisory Table, 2021. http://dx.doi.org/10.47326/ocsat.2021.02.07.1.0.

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Key Message Ontario long-term care (LTC) home residents have experienced disproportionately high morbidity and mortality, both from COVID-19 and from the conditions associated with the COVID-19 pandemic. There are several measures that could be effective in preventing COVID-19 outbreaks, hospitalizations, and deaths in Ontario’s LTC homes, if implemented. First, temporary staffing could be minimized by improving staff working conditions. Second, homes could be further decrowded by a continued disallowance of three- and four-resident rooms and additional temporary housing for the most crowded h
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Sanders, Suzanne, and Jessica Kirschbaum. Forest health monitoring at Mississippi National River and Recreation Area: 2022 field season. National Park Service, 2023. http://dx.doi.org/10.36967/2301407.

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The Mississippi National River and Recreation area (MISS), situated along a 116 km stretch of the Mississippi River through the Minneapolis and St. Paul urban corridor, encompasses ~21,800 ha of public and private land. In 2022, the Great Lakes Inventory and Monitoring Network (GLKN) resampled permanent forest monitoring sites in the park, marking the second assessment of these sites, which were established and initially sampled in 2011. The goal of this long-term monitoring project is to provides managers with routine updates on which to base management decisions; these data can also be used
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Vargas-Herrera, Hernando, Juan Jose Ospina-Tejeiro, Carlos Alfonso Huertas-Campos, et al. Monetary Policy Report - April de 2021. Banco de la República de Colombia, 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr2-2021.

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1.1 Macroeconomic summary Economic recovery has consistently outperformed the technical staff’s expectations following a steep decline in activity in the second quarter of 2020. At the same time, total and core inflation rates have fallen and remain at low levels, suggesting that a significant element of the reactivation of Colombia’s economy has been related to recovery in potential GDP. This would support the technical staff’s diagnosis of weak aggregate demand and ample excess capacity. The most recently available data on 2020 growth suggests a contraction in economic activity of 6.8%, lowe
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Northern Tornadoes Project. Annual Report 2022. Western Libraries, Western University, 2023. http://dx.doi.org/10.5206/ntpr1894.

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NTP’s fourth year of detecting, surveying and documenting tornadoes and other damaging wind events across Canada saw a return to a more familiar pattern. In 2021, only two tornadoes were recorded across the Prairies over the 60 days with the highest climatological frequency (mid-June to mid-August).In 2022, 39 tornadoes were confirmed there, with 33 of them during that peak period. However, a catastrophic spring derecho set the stage for a very different and very active season in Ontario and Québec. The May 21st derecho is now one of the most deadly and costly thunderstorm events on record in
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