Results 31 to 40 of about 431,967 (309)
Directional Overcurrent Relays Coordination Problems in Distributed Generation Systems
Energies, 2017 This paper proposes a new approach to the distributed generation system protection coordination based on directional overcurrent protections with inverse-time characteristics.
Jakub Ehrenberger, Jan Švec
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Kongzhi Yu Xinxi Jishu, 2021 DC grid-connection technology is the core technology of electric ship. For a ship DC grid-connected distribution system, when short-circuit occurs in a branch of the system, the short-circuit branch needs to be cut off, and the other branches can be ...
WANG Wei, ZHANG Hanchen
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Kongzhi Yu Xinxi Jishu, 2021 Using bi-directional converters for traction power supply in urban rail transit, traditional PWM rectifiers cannot meet the requirement of DC feeder protection for 27 kA short-circuit current with 120 ms continuous time.
WANG Xiong +3 more
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Frontiers in Energy Research, 2021 With the enlarging scale of doubly-fed induction generators (DFIGs) connected to power systems, it is important to analyze the influence of a short-circuit current to system relay protection.
Jun Yin
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A Novel IC Measurement Without Blanking Time for Short-Circuit Protection of High-Power IPM
IEEE Access, 2020 Intelligent power module (IPM) short-circuit protection is a key factor in improving the reliability of power electronics systems. The conventional short-circuit detection method based on monitoring the collector-emitter voltage (VCE) desaturation has a ...
Zhaoliang Meng +6 more
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Multiple-output Class E Isolated dc-dc Converter [PDF]
, 2010 This paper presents a multiple output class-E isolated dc-dc converter that regulates the output voltages at fixed switching frequency. The two output converter is simulated at operating frequency of 5 MHz.
Alou Cervera, Pedro +5 more
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Analisis Hubung Singkat Pada Jaringan Tegangan Menengah 20 kV Penyulang Kedonganan
Majalah Ilmiah Teknologi Elektro, 2018 — In this study, the short circuit simulation conducted of 3-phase, phase to phase and single line to ground fault in several alternate site points which are selected based on the interruption that might occur in the feeders and from the GI base point ...
komang jaryanta aryamantara +2 more
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IEEE Access, 2023 Due to the pseudo-bipolar structure of the flexible DC distribution network, the short-circuit current caused by a pole-to-ground fault is weak. The fault characteristics, particularly the steady-state fault characteristics, are not prominent. Therefore,
Hao Qi +6 more
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Features of relay protection function in distributed traction power supply systems [PDF]
, 2018 Впровадження альтернативних джерел електричної енергії у систему тягового електропостачання розподіленого типу підвищує енергетичну ефективність та надійність функціонування, але при цьому змінюється характер протікання енергообмінних процесів, що ...
Губський, Петро Вячеславович +5 more
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IET Power Electronics, 2022 Hybrid switching technologies such as zero voltage switching (ZVS) and zero current switching (ZCS) are widely accepted to protect DC power systems from different kinds of faults.
Zhuangxian Jiang +5 more
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