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Relevant bibliographies by topics / Electric power Measuring instruments

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Academic literature on the topic 'Electric power Measuring instruments'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Electric power Measuring instruments"

1

Karasinskiy, O. L., and Yu F. Tesyk. "CORRECTION OF ERRORS IN INSTRUMENTS FOR MEASURING ELECTRIC POWER PARAMETERS." Tekhnichna Elektrodynamika 2021, no. 2 (2021): 84–90. http://dx.doi.org/10.15407/techned2021.02.084.

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A study of methods for correcting amplitude and phase errors in devices for measuring the parameters of electric power with digital signal processing with a sampling frequency multiple of the network frequency was made. The generalized flow diagram of measuring device that consists of a few entrance channels was presented. Mathematical expositions that explain the process of correction of additive and multiplicative errors are given. Through a temporal diagram a few variants of encoding of entrance signals are shown. The possibility of correcting phase errors by shifting the moment of the ADC

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Belchior, Fernando, Thiago Moura Galvão, Paulo Fernando Ribeiro, and Paulo Márcio Silveira. "Comparative Analysis of Power Quality Instruments in Measuring Power under Distorted Conditions." International Journal of Emerging Electric Power Systems 16, no. 5 (2015): 421–29. http://dx.doi.org/10.1515/ijeeps-2015-0042.

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Abstract This paper aims to evaluate the performance of commercial power quality (PQ) instruments. By using a high precision programmable voltage and current source, five meters from different manufacturers are analyzed and compared. At first, three-phase voltage signals are applied to those PQ instruments, considering harmonic distortion, voltage dip, voltage swell, as well as unbalanced voltages. These events are measured, compared and evaluated considering the different instruments. In addition, voltage and current signals are applied under different conditions, with and without harmonic an

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3

McEachern, Alexander. "Electric power measuring instrument with speech synthesis feature." Journal of the Acoustical Society of America 101, no. 4 (1997): 1766. http://dx.doi.org/10.1121/1.418195.

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Vujicic, Vladimir, Dragan Pejic, and Aleksandar Radonjic. "A brief overview of stochastic instruments for measuring flows of electrical power and energy." Facta universitatis - series: Electronics and Energetics 32, no. 3 (2019): 439–48. http://dx.doi.org/10.2298/fuee1903439v.

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This paper gives a brief overview of three instruments suitable for measuring the flow of electrical power and energy. The first instrument is a single-phase power analyzer, while the other two instruments are double and quadruple three-phase power analyzers. In addition to over viewing these instruments, the paper presents a possible improvement of a quadruple three-phase power analyzer. The implementation of this improvement would make it possible to use a quadruple three-phase power analyzer as support for the phasor measurement unit.

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Kulyk, Mykola, Volodymyr Kvasnikov, Dmytro Kvashuk, and Anatolii Beridze-Stakhovskyi. "Errors classification method for electric motor torque measurement." Technology audit and production reserves 4, no. 1(60) (2021): 42–48. http://dx.doi.org/10.15587/2706-5448.2021.237273.

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The use of high-precision measuring instruments for determining the torque of electric motors in such areas as medicine, motor transport, shipping, aviation requires the improvement of the metrological characteristics of measuring instruments. This, in turn, requires an accurate assessment of their error. Of particular importance is the measurement of power at high-speed installations, where in some cases conventional measurement systems are either unsuitable or have low accuracy. Thus, the use of high-speed turbomachines in aviation, transport, and rocketry creates an urgent need for the deve

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Solomentsev, Kirill Yu, Vyacheslav I. Lachin, and Aleksandr E. Pasenchuk. "Half division two-dimensional method for simple sinusoidal quantities parameters accurate measurement." Izmeritel`naya Tekhnika, no. 4 (2021): 16–21. http://dx.doi.org/10.32446/0368-1025it.2021-4-16-21.

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Several variants of half division two-dimensional method are proposed, which is the basis of a fundamentally new approach for constructing measuring instruments for sinusoidal or periodic electrical quantities. These measuring instruments are used in the diagnosis of electric power facilities. The most general variant, called midpoint method, is considered. The proposed midpoint method allows you to measure much smaller than using widespread methods, alternating currents or voltages, especially when changing the amplitude of the measured signal in very wide ranges, by 1–2 orders of magnitude.

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Квасніков, Володимир Павлович, Дмитро Михайлович Квашук та Марія Олександрівна Катаєва. "Розробка стенду для вимірювання метрологічних характеристик електродвигунів". Aerospace technic and technology, № 4sup2 (27 серпня 2021): 104–11. http://dx.doi.org/10.32620/aktt.2021.4sup2.14.

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The problems of accurate measurement of the forces transmitted to the rotating shafts of electric motors have been solved for more than one century. At the same time, they have not lost their relevance, which is due to the wide development and variety of electric motors and power plants, the specific operating conditions of which require the use of a wide arsenal of measuring instruments. An important aspect in the process of using high-precision electric motors in such areas as medicine, vehicles, military-industrial complex is the improvement of the metrological characteristics of measuring

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DIMITRIJEVIĆ, MARKO A., and VANČO B. LITOVSKI. "POWER FACTOR AND DISTORTION MEASURING FOR SMALL LOADS USING USB ACQUISITION MODULE." Journal of Circuits, Systems and Computers 20, no. 05 (2011): 867–80. http://dx.doi.org/10.1142/s0218126611007657.

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Power factor and distortion measuring usually require dedicated and expensive equipments. Computer-based acquisition modules and software provide for a possibility to create simple and nonexpensive methods and instruments for power factor measurement and distortion characterization of small loads and bring all advantages of virtual instrumentation. A new approach to power quality characterization by measuring power factor, distortion, and several other parameters of small electric loads (up to 0.5 kW) will be described in this paper. Besides low price maximum versatility and adaptability are p

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Trujillo, Armando E. Garcia. "Harmonics influence on power and energy measurements." International journal of physical sciences and engineering 3, no. 1 (2019): 32–41. http://dx.doi.org/10.29332/ijpse.v3n1.254.

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To carry out the control and trade of electric energy, power and energy meters are used profusely. This article discusses the differences in the power and energy readings of the measuring instruments of different types and their use for the control of the quality of the supply and consumption of electrical energy. The contradictions of these readings are analyzed when measured in consumers of non-linear loads, generators of harmonics, and of linear loads, consumers of them. Simulation methods are used to show how harmonic propagation occurs in the system. MATLAB Simulink is used as a method of

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Hou, Tao, and Yan Hong Guo. "Research of Calibration Instrument of Multi-Site Single-Phase Energy Meter." Applied Mechanics and Materials 273 (January 2013): 424–27. http://dx.doi.org/10.4028/www.scientific.net/amm.273.424.

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This design is a full-featured, high precision power meter on-site calibration device and integrated electrical parameter measuring device. The internal use of SCM control, you can not open the instrument case, through the keys with precision adjustment, thus increasing the reliability and stability. This study projects able to keep the case of electricity meters for a variety of electrical power meter, indicating a variety of instrumentation and electrical power transmitters to provide on-site instruments detection, but also to voltage, current, power, power factor, phase, frequency and other

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Dissertations / Theses on the topic "Electric power Measuring instruments"

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Young, Chung-Ping. "Digital power metering manifold /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842576.

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Hara, Elon Cris Penteado. "Infraestrutura de aquisição de dados por redes de sensores sem fios e barramentos para monitoramento do consumo de energia elétrica." Universidade Tecnológica Federal do Paraná, 2013. http://repositorio.utfpr.edu.br/jspui/handle/1/838.

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CAPES<br>Um sistema monitor de consumo de energia elétrica para setores internos de unidades consumidoras foi desenvolvido para um projeto de P&D (Pesquisa e Desenvolvimento) ANEEL (Agência Nacional de Energia Elétrica). O sistema utiliza Redes de Sensores sem Fios (RSSF) alocadas em pontos estratégicos da rede de energia elétrica e conectadas por radioenlace a um banco de dados remoto. Os sensores fornecem dados que são registrados e posteriormente acessados por um aplicativo que apresenta informativos ao usuários por meio de alertas, relatórios e interfaces gráficas. As RSSF são empregadas e

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Koizumi, Marcos Tsuyoshi. "Desenvolvimento de sensores e instrumentação aplicados no projeto de equipamentos analisadores de qualidade de energia elétrica." Universidade Tecnológica Federal do Paraná, 2012. http://repositorio.utfpr.edu.br/jspui/handle/1/505.

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CAPES<br>Uma má qualidade de energia elétrica gera grandes prejuízos para a sociedade. Desta forma são utilizados equipamentos denominados analisadores de qualidade de energia elétrica para quantizar os valores destes distúrbios e assim determinar as causas destas anormalidades. O grande problema destes equipamentos é o custo elevado e geralmente são importados inviabilizando uma medição multiponto do sistema elétrico do cliente. Neste cenário, este trabalho objetiva fornecer subsídios e alternativas para o desenvolvimento de equipamentos analisadores de qualidade de energia, que consiste de u

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Grando, Flavio Lori. "Arquitetura para o desenvolvimento de unidades de medição fasorial sincronizada no monitoramento a nível de distribuição." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1762.

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CAPES<br>Este trabalho tem por objetivo o desenvolvimento de uma arquitetura de baixo custo para construção de unidades de medição fasorial sincronizada (PMU). O dispositivo prevê conexão com a baixa tensão da rede elétrica, de forma que, instalada neste ponto do sistema permita o monitoramento da rede de transmissão e distribuição. Os desenvolvimentos deste projeto contemplam uma arquitetura completa, com módulo de instrumentação para uso na baixa tens˜ao da rede, módulo GPS para fornecer o sinal de sincronismo e etiqueta de tempo das medidas, unidade de processamento com sistema de aquisição

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Westerlund, Per. "Condition measuring and lifetime modelling of electrical power transmission equipment." Licentiate thesis, KTH, Elektroteknisk teori och konstruktion, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-167136.

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The electric grid is important in modern society, so the outages should be few. The transmission grid should have a real high availability, since it transports electrical energy across the country. Then, it is difficult to plan outages for maintenance and installation. This thesis lists twenty surveys about failures of circuit breakers and disconnectors, with data about the cause and the lifetime. It also contains a survey of about forty condition-measuring methods for circuit breakers and disconnectors, mostly applicable to the electric contacts and the mechanical parts. As there is no pub

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Palla, Sunil Kumar. "Development of overcurrent relay model and power system simulator using National Instruments devices in real-time." Master's thesis, Mississippi State : Mississippi State University, 2008. http://library.msstate.edu/etd/show.asp?etd=etd-09252008-094620.

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PIRES, JOAO dos S. J. "Avaliação da grandeza tensão de pico prática em equipamentos clínicos utilizados em radiodiagnóstico." reponame:Repositório Institucional do IPEN, 2007. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11716.

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Made available in DSpace on 2014-10-09T12:55:03Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:05:56Z (GMT). No. of bitstreams: 1 12869.pdf: 4811202 bytes, checksum: 0173b38520efa5ad7a157158292d063c (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Grobler, Frederik Antonie. "The development of harmonic content and quality of electricity supply measuring system incorporating scada processing." Thesis, Bloemfontein : Central University of Technology, Free State, 2005. http://hdl.handle.net/11462/61.

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Thesis (D.Tech (Engineering Electrical)) - Central University of Technology, Free State, 2005<br>When Thomas Edison invented his carbon filament lamp in 1879, gas shares fell overnight. A committee of inquiry was set up to examine the future possibilities of the new method of lighting, and had reached the conclusion that electric light in the home was fanciful and absurd. Today electric light burns in practically every house in the civilised world, with many great advances in the production and use of electricity and electric power supplied by various utilities. The objective of the electr

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BRANCACCIO, FRANCO. "Automatizacao de um sistema de medidas de correntes produzidas por camaras de ionizacao e aplicacao na calibracao do sup(18) F e sup(153) Sm." reponame:Repositório Institucional do IPEN, 2002. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11028.

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Made available in DSpace on 2014-10-09T12:47:08Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:08:47Z (GMT). No. of bitstreams: 1 07921.pdf: 513900 bytes, checksum: 78943492794157b921a0e2b609b7627b (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Oliveira, Caio Gomes de. "Estudo sobre conservação de energia eletrica e qualidade de energia eletrica." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259103.

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Orientadores: Fujio Sato, Ernesto Ruppert Filho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-14T19:28:59Z (GMT). No. of bitstreams: 1 Oliveira_CaioGomesde_M.pdf: 16585052 bytes, checksum: 61d70f191de8c032a8ab39cdcf8c652c (MD5) Previous issue date: 2009<br>Resumo: Este trabalho trata de dois temas de grande relevância, principalmente nos últimos anos, na área de energia elétrica: a conservação e a qualidade da energia elétrica. Os estudos são baseados em dados de grandezas elétricas colet

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Books on the topic "Electric power Measuring instruments"

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Günther, Sinapius, Hoornaert Winfried, and Knovel (Firm), eds. Measuring current, voltage, and power. Elsevier, 1999.

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Choynowski, Peter. Measuring willingness to pay for electricity. Asian Development Bank, 2002.

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Petersons, Oskars. Calibration of test systems for measuring power losses of transformers. U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Stafford, Todd. Fundamentals of instrumentation. Edited by National Joint Apprenticeship and Training Committee for the Electrical Industry. Thomson Delmar Learning, 2005.

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Burger, G. Guidelines on calibration of neutron measuring devices. International Atomic Energy Agency, 1988.

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Seminar on Modern Trends in Instrumentation and Controls in Thermal Power Stations (1999 Bangalore, India). Seminar on Modern Trends in Instrumentation and Controls in Thermal Power Stations: 3-5 November, 1999, Bangalore : proceedings. Edited by Varma C. V. J, Lal P. K, Council of Power Utilities (New Delhi, India), and India. Central Board of Irrigation and Power. Council of Power Utilities, and Central Board of Irrigation and Power, 1999.

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Hofheinz, Wolfgang. Fault current monitoring in electrical installations: Foundations, applications and methods of measuring residual current in AC and DC systems with residual current monitors (RCMs) according to IEC 62020 and other international standards. VDE Verlag GMBH, 2004.

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IEEE Instrumentation and Measurement Technology Conference (1986 Boulder, Colo.). IEEE Instrumentation and Measurement Conference, March 25-27, 1986, University of Colorado events/Conference Center ... Boulder, Colorado, USA: Conference record. Institute of Electrical and Electronics Engineers, 1986.

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Power Instrumentation Symposium (34th 1991 Saint Petersburg Beach, Fla.). Instrumentation, controls, and automation in the power industry: Proceedings of the Thirty-Fourth Power Instrumentation Symposium (1st Annual ISA/EPRI Joint Controls and Automation Conference) : June 3-5, 1991, Don CeSar Hotel, St. Petersburg Beach, Florida. Instrument Society of America, 1991.

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Power, Instrumentation Symposium (40th 1997 Knoxville Tennessee). Instrumentation, controls, and automation in the power industry: Proceedings of the Fortieth Instrumentation Symposium : 7th Annual ISA POWID/EPRI Joint Controls and Instrumentation Conference : June, 1997, [presented at: Hyatt Regency, Knoxville, Tennessee, June 16-18, 1997]. Instrument Society of America, 1997.

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Book chapters on the topic "Electric power Measuring instruments"

1

Ajeya, B., and Shweta Vincent. "Integration of Contactless Power Measuring Instruments to PLC and SCADA Through Industrial Wireless Sensor Network for EMS." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6159-3_30.

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"Measuring and Solving Power Quality Problems." In Electric Power Engineering Series. CRC Press, 2001. http://dx.doi.org/10.1201/9781420041026.ch9.

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Han, Chang Dae. "Wire-Coating Extrusion." In Rheology and Processing of Polymeric Materials: Volume 2: Polymer Processing. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195187830.003.0010.

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The process of coating a wire with a polymeric material is basically an extrusion operation in which either the molten polymer is extruded continuously over an axially moving wire or the wire is pulled through the extruded molten polymer. As schematically shown in Figure 5.1, the typical wire-coating unit consists of a pay-off device, a wire preheater, an extruder equipped with a cross-head die, a cooling trough, and a take-off device. Various control and measuring instruments are utilized in the commercial line (Griff 1962). The two basic wire-coating dies are pressure-type dies and tubing-type dies, as shown schematically in Figure 5.2. The tubing-type dies are annular in cross-section. The flow geometry outside the tubing die is important from the point of view of obtaining a coating with better mechanical and electrical properties and surface smoothness. However, little effort has been spent on studying this particular aspect of the process. The pressure-type wire-coating die is an annulus, the side surface of which is the wire to be coated, moving at a constant speed. The flow through this type of die is analogous to the flow through an annulus formed by coaxial cylinders with the inner cylinder moving in the axial direction. In the past, analysis of wire-coating extrusion for pressure-type die has been carried out for Newtonian and power-law fluids (Bagley and Storey 1963; Bernhardt 1962; Carley et al. 1979; Han and Rao 1978; McKelvey 1963). Like in the film coextrusion process presented in Chapter 9, in wire-coating coextrusion two different polymers may be concentrically coated on the wire in a single step (LeNir 1974). Tough abrasive-resistant nylon, for example, can be coated over a much less expensive polyethylene core, or one can have a thin coat of color compound over unpigmented insulator, thus taking advantage of the different properties of two components at a reduced cost. Considerable savings in the cost of processing can be achieved by applying two coats in a single step.

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Vinogradov, Alexander, Vadim Bolshev, Alina Vinogradova, Maxim Borodin, Alexey Bukreev, and Igor Golikov. "Mobile Measuring Complex for Conducting an Electric Network Survey." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9420-8.ch010.

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An energy audit of the electrical network is required in the process of constructing new electrical networks as well as in justifying the reconstruction need of existing ones. In this chapter, the structure of a mobile measuring complex has been developed to conduct an electrical network survey without disconnecting consumers. The complex can be used to inspect 0.4 kV electrical networks and microgrids of the same voltage class and allows data collection on voltage losses and electric power losses in network elements such as a power lines (electric transmission line), and power transformers. The energy audit is conducted without disconnecting consumers in order to avoid an undersupply of electricity as well as to determine the real operating modes of power networks. Ultimately, the use of the developed measuring complex will increase the reliability of the power supply to consumers and ensure the required quality of the electricity supplied to them.

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Mitković, Mihailo, Jelena Đekić, Petar Mitković, and Milica Igić. "Research on First Mini Solar Power Plants to Produce Electric Power on the South Serbia." In Advances in Civil and Industrial Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9932-6.ch014.

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The solar radiation and energy potential in Serbia is 30% higher than in Central Europe, and the intensity of solar radiation is among the highest in Europe. Specifically suitable are the condition for usage of solar energy in southeast Serbia where the annual average of global radiation on a horizontal surface amounts to more than 4.2 kWh/m2 a day. This chapter discusses four photovoltaic solar power plants, two having been installed in the territory of the city of Leskovac and two in the Bosilegrad territory. The research is based on geographical location of solar power plants, orientation, and inclination of the panels in respect to the horizontal surface. All the processed solar power plants have the capacity 30-40 kW. The chapter is projection of two years of researching and measuring data on the initial investments in order reach profitability and investment return period. The solar power plants that have fitted angle of 33° (Fortuna) give higher production of electric power than in those panels that have angle inclination of 10° (Domit).

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Mitković, Mihailo, Jelena Đekić, Petar Mitković, and Milica Igić. "Research on First Mini Solar Power Plants to Produce Electric Power on the South Serbia." In Research Anthology on Clean Energy Management and Solutions. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-9152-9.ch082.

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The solar radiation and energy potential in Serbia is 30% higher than in Central Europe, and the intensity of solar radiation is among the highest in Europe. Specifically suitable are the condition for usage of solar energy in southeast Serbia where the annual average of global radiation on a horizontal surface amounts to more than 4.2 kWh/m2 a day. This chapter discusses four photovoltaic solar power plants, two having been installed in the territory of the city of Leskovac and two in the Bosilegrad territory. The research is based on geographical location of solar power plants, orientation, and inclination of the panels in respect to the horizontal surface. All the processed solar power plants have the capacity 30-40 kW. The chapter is projection of two years of researching and measuring data on the initial investments in order reach profitability and investment return period. The solar power plants that have fitted angle of 33° (Fortuna) give higher production of electric power than in those panels that have angle inclination of 10° (Domit).

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"A study on electric energy measuring of power grid dispatching based on decision model analysis." In Information Technology and Career Education. CRC Press, 2015. http://dx.doi.org/10.1201/b18416-37.

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Octavian Nemeș, Raul, Mircea Ruba, Sorina Maria Ciornei, and Raluca Maria Raia. "Powerful Multilevel Simulation Tool for HiL Analysis of Urban Electric vehicle’s Propulsion Systems." In New Perspectives on Electric Vehicles [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98532.

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The general focus of the proposed chapter is to describe a complex yet transparent solution for advanced simulation analysis of urban electric vehicles propulsion unit. As general rule, precise and realistic results are obtained only when performing real-time simulations, engaging dedicated software for such applications. Hence, simulation of an electric vehicle as a complete solution can become rather difficult. The authors targeted advanced analysis of the propulsion unit, including the motor, the battery, the power converter, and its control. These are designed using multilevel models in Matlab/Simulink, referring to different complexity levels of each assembly. Another feature of the models is their organization, based on Energetic Macroscopic Representation (EMR), this easing the process of inter-connecting models correctly. Nevertheless, the mechanical, aerodynamical and road profile details are included using Amesim Software. All the simulations are performed on a real-time target, using a National Instruments PXIe embedded controller. The latter runs NI VeriStand software, allowing real-time communication between Amesim and Simulink offering in the same time possibility to read/write analog/digital IOs for external communication. This feature in fact is used when passing from modeling to Hardware in the Loop (HIL) analysis, replacing the simulated assembly with the actual one.

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Udoh, Emmanuel. "Database Integration in the Grid Infrastructure." In Database Technologies. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-058-5.ch115.

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The capability of the Web to link information over the Internet has popularized computer science to the public. But it is the grid that will enable the public to exploit data storage and computer power over the Internet analogous to the electric power utility (a ubiquitous commodity). The grid is considered the fifth generation computing architecture after client-server and multitier (Kusnetzky & Olofson, 2004) that integrates resources (computers, networks, data archives, instruments, etc.) in an interoperable virtual environment (Berman, Fox, & Hey, 2003). In this vein, grid computing is a new IT infrastructure that allows modular hardware and software to be deployed collectively to solve a problem or rejoined on demand to meet changing needs of a user.

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Sas, Corina. "Sense of Presence." In Encyclopedia of Human Computer Interaction. IGI Global, 2006. http://dx.doi.org/10.4018/978-1-59140-562-7.ch076.

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Sense of presence is one of the most interesting phenomena that enriches users’ experiences of interacting with any type of system. It allows users to be there (Schloerb & Sheridan, 1995) and to perceive the virtual world as another world in which they really exist. The interest in presence phenomenon is not novel (Gerrig, 1993), but it has grown lately due to the advent of virtual reality (VR) technology. The specific characteristics of virtual environments (VEs) transform them into suitable experimental testbeds for studies in various research areas. This also resuscitated the interest in presence, and much work has focused on the development of a theoretical body of knowledge and on a whole set of experimental studies aimed at understanding, explaining, measuring, or predicting presence. All of these efforts have been made to increase the understanding of how presence can be manipulated within the VEs, particularly within the application areas where presence potential has been acknowledged. Probably one of the most important reasons motivating presence research is the relationship it holds with task performance. This debatable relationship together with the more obvious one between presence and user satisfaction suggest that presence may play an important role in the perceived system usability. Since presence may act as a catalyst for the learning potential of VEs, it can be harnessed for the training and transfer of skills (Mantovani & Castelnuovo, 1998; Schank, 1997). The potential of presence to increase the pervasive power of the delivered content motivates research on presence impact on e-marketing and advertising (Grigorovici, 2003). Another promising application area for presence research is within the realm of cognitive therapy of phobias (Strickland et al., 1997). The highly subjective nature of presence continues to challenge researchers to find appropriate methodologies and instruments for measuring it. This is reflected in the ongoing theoretical work of conceptualizing a sense of presence. The difficulties related to investigating presence led to a large set of definitions and measuring tools. The purpose of this article is to introduce the concept of presence. The first section offers some conceptual delimitations related to presence construct. The second section describes its main determinants along two dimensions (i.e., technological factors and human factors). The third section addresses the challenges of measuring presence, offering also an overview of the main methods, tools, and instruments developed for assessing it. The fourth section presents the complex relationship between presence and task performance.

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Conference papers on the topic "Electric power Measuring instruments"

1

Zhou Gang, Ge Shenqi, and Peng Wei. "Design of interactive electronic technical manual for the thermohydraulic measuring instruments of nuclear power plant." In Instruments (ICEMI). IEEE, 2011. http://dx.doi.org/10.1109/icemi.2011.6037787.

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2

Jaschke, Christian, and Peter Schegner. "A measuring system to identify the frequency response of high current instrument transformers." In 2015 Modern Electric Power Systems (MEPS). IEEE, 2015. http://dx.doi.org/10.1109/meps.2015.7477160.

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Serov, Andrey N., Dmitry A. Chumachenko, and Alexander A. Shatokhin. "Method of Reducing the Amplitude and Phase Spectrum Measurement Error of the Power Quality Measuring Instruments." In 2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE). IEEE, 2021. http://dx.doi.org/10.1109/reepe51337.2021.9387994.

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Krasovsky, Alexander, Sergey Vasyukov, and Olga Miseyuk. "The System Approach for the Application of Measuring Instruments and Computer Modeling Tools for the Electrical Laboratory for the Bauman Moscow State Technical Univercity." In 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). IEEE, 2018. http://dx.doi.org/10.1109/rtucon.2018.8659906.

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Yanagisawa, K., F. Zhang, T. Sato, K. Yamasawa, and Y. Miura. "A wideband common-mode noise filter with a Mn-Zn ferrite and Cu/polyimide tape wound coil for switching power supplies used in electronic measuring instruments." In INTERMAG Asia 2005: Digest of the IEEE International Magnetics Conference. IEEE, 2005. http://dx.doi.org/10.1109/intmag.2005.1463985.

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Liang, Min, Daogang Lu, Huining Xia, and Yuhao Zhang. "Thermal Hydraulics Analysis on a Simplified Model of Spent Fuel Pool." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15482.

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The spent fuel still has massive decay heat and is temporarily stored in the spent fuel pool, after unloaded from the reactor core; it is cooled by the circulating water in the spent fuel pool. The present study generally agreed that the spent fuel pool is relatively safe when the cooling water works, even if under accident conditions. It is generally considered that the thermal-hydraulic process in the spent fuel pool is very slow, and does not endanger the safety of nuclear power plant. But the boiling in the pool has been given more and more attention after the Fukushima nuclear accident; e

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7

Jeong, Il-Seok, Gag-Hyeon Ha, and Tae-Ryoung Kim. "Environmental Fatigue Test of CF8M With a Small Autoclave Simulating PWR Conditions." In ASME 2008 Pressure Vessels and Piping Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/pvp2008-61673.

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To develop a fatigue design curve of cast stainless steel CF8M used in primary piping material of nuclear power plants, low-cycle fatigue tests have been conducted by Korea Electric Power Research Institute (KEPRI). A small autoclave simulated the environment of a pressurized water reactor (PWR), 15 MPa and 315 °C. Fatigue life was measured in terms of the number of cycles with the variation of strain amplitudes at 0.04%/s strain rate. A small autoclave of 1 liter and cylindrical solid fatigue specimens were used for the strain-controlled low cycle environmental fatigue tests to make the exper

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Yang, Shengbing, Xuexun Guo, Bo Yang, and Gangfeng Tan. "Return-to-center control of electric power steering." In Instruments (ICEMI). IEEE, 2009. http://dx.doi.org/10.1109/icemi.2009.5274299.

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Alekseyev, V. V., P. G. Korolev, and P. N. Mikhal. "Compact Measuring System for Power Consumption Control." In 2006 8th International Conference on Actual Problems of Electronic Instrument Engineering. IEEE, 2006. http://dx.doi.org/10.1109/apeie.2006.4292480.

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10

Gao, Zhanfeng, Wenjiang Wu, Jianhua Zheng, and Zhanpeng Sun. "Electric power steering system based on fuzzy PID control." In Instruments (ICEMI). IEEE, 2009. http://dx.doi.org/10.1109/icemi.2009.5274264.

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