Results 21 to 30 of about 2,008 (171)
Προστασία επαφών ηλεκτρονόμου με varistor [PDF]
, 2016 Εθνικό Μετσόβιο Πολυτεχνείο--Μεταπτυχιακή Εργασία.
Mavrakis, Vasileios +1 more
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New Fault-Location Algorithm for Series-Compensated Double-Circuit Transmission Line
IEEE Access, 2020 This paper proposes a new fault location algorithm to accurately locate the faults of series-compensated double-circuit transmission line and improve the stability of power system operation, which is not affected by fault types. The proposed algorithm is
Daiying Cai, Jun Zhang
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Analytical & Experimental Analysis of Lightning Stokes Performance & Protection by MOV Based Simulation Model: A 33 KV Transmission Line Case Study [PDF]
, 2021 Researchers are working on techniques to mitigate failure rates as low as possible to avoid potential harm, sustain high power efficiency for this a considerable number of estimation studies were already performed and several designs of methodologies ...
Baig, Faraz Ahmed +3 more
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IEEE Access, 2020 This article focuses on the problem that the voltage recovery time of relay protection circuits in converter stations is too long under lightning surges.
Yuqi Zhang, Weidong Zhang, Jianfei Ji
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Reduction Reactive Power and Collapse Voltage Using Series Capacitors Compensation in Sudden Change Loads of Transmission Lines [PDF]
Engineering and Technology Journal, 2012 The continuous increase of disturbances on the interconnected electric power system resulting in its inability to reliably meet demands. This paper presents an application of a series capacitor compensation in transmission line and shunt reactors ...
Hussein Thani Rishag
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Semiconductor devices in solid-state/hybrid circuit breakers: current status and future trends [PDF]
, 2017 Circuit breakers (CBs) are the main protection devices for both alternating current (AC) and direct current (DC) power systems, ranging from tens of watts up to megawatts.
Alan J. Watson +8 more
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Frontiers in Energy Research, 2023 Series-compensated transmission lines (SCTLs) are increasingly preferred for transmitting bulk amounts of electricity generated from the present-day large-scale wind farm to the utility grid due to several technical and economic benefits. However, when a
M. S. Prabhu +4 more
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Modelling of Metal Oxide Surge Arresters in Simulation Software DYNAST [PDF]
, 2020 This paper describes the possibilities for mathematical modelling of gap-less surge arresters in simulation software DYNAST. This tool does not belong to standard modelling softwares in the field of electric power engineering.
Síťař, Vladislav, Veleba, Jan
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Gaoya dianqi, 2023 金属氧化物压敏电阻（metal oxide varistor,MOV）广泛应用于各种直流断路器中，用于抑制过电压、系统能量耗散与开断电压建立。受目前加工工艺限制，单MOV阀片通流能力有限，故断路器中多采用多柱并联结构。柱间电流分配不均会导致局部阀片超负荷耗能，造成开断失败甚至设备损坏。文中基于实验测量建立了一种直流开断工况下的MOV电气模型，基于该模型提出了MOV阀片均流选配方法。经实验验证，传统基于雷电冲击测试方法选配的MOV在直流开断工况的均流特性不能完全满足要求 ...
龙辰 +7 more
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Lightning protection for power transformers of Aqaba Thermal Power Station
Archives of Electrical Engineering, 2020 In this paper, a study of the lightning phenomenon and its harmful effect on Aqaba Thermal Power Station (ATPS), located in the south-western border of Jordan, is presented using the Electromagnetic Transients Program – Alternative Transients Program ...
Wael Fawzi Abu Shehab +2 more
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