Results 91 to 100 of about 1,432 (200)
Abstract Energy storage systems (ESSs) are increasingly critical for maintaining the stability and flexibility in power systems with rising renewable penetration. Grid‐forming (GFM) ESSs have emerged as a pivotal technology, capable of providing essential voltage and frequency support by establishing grid references in converter‐dominated systems. This
Rui Wang +4 more
wiley +1 more source
Robustness of GaN Gate Injection Transistors under Repetitive Surge Energy and Overvoltage
GaN HEMTs have no avalanche capability and withstand the surge energy through capacitive charging, which often causes significant voltage overshoot up to their catastrophic limit.
Zhang, Yuhao +9 more
core +1 more source
Проведен анализ способов ограничения коммутационных перенапряжений, прикладываемых к силовым полупроводниковым приборам полупроводниковых ключей гибридных контакторов при коммутации цепей постоянного тока.
Сабалаева, Наталья Олеговна +1 more
core +2 more sources
Commutation failure caused by AC filter switching In HVDC system
Switching AC filter may cause harmonic impact, which may lead to commutation failure of HVDC system. Here, the commutation failure mechanism of HVDC system caused by AC filter switching is studied.
Meng Liu +3 more
doaj +1 more source
Simulation computing of possible limitation of switching overvoltage with installation of RC damper
Předkládaná diplomová práce je zaměřena na omezení spínacích přepětí pomocí RC článků na hladině vysokého napětí. Popisuje různé druhy přepětí a druhy ochran proti přepětí.
Hulec, Martin
core
High-voltage power electronics, utilizing wide-bandgap devices, can realize superior efficiency and power density designs compared to silicon-based power electronics.
Eckardt, Bernd +4 more
core +1 more source
New controlled switching approach for limitation of transmission line switching overvoltages
In this study, a new controlled switching approach is proposed. This method is applied to the controlled closing of high voltage uncompensated transmission lines. The new approach is a developed version of conventional zero‐crossing controlled switching approach. Performance of the new approach is evaluated and compared with the conventional controlled
Heresh Seyedi, Shahab Tanhaeidilmaghani
openaire +1 more source
Research on overvoltage for XLPE cable in a modular multilevel converter HVDC transmission system
Due to the rapid development of the voltage-source converter (VSC), the demands for HVDC cables have increased significantly. Although more than ten VSC-HVDC projects are under construction and many more are in operations globally, the testing criteria ...
Han, Zhengyi +5 more
core +1 more source
Hard-Switched Overvoltage Robustness of p-Gate GaN HEMTs at Increasing Temperatures
An essential ruggedness characteristic of power devices is the capability to withstand the transient overvoltage in power electronic applications. As the newly commercialized GaN HEMTs can switch faster, and under higher voltage biases, it is important ...
Zhang, Yuhao +11 more
core +1 more source
Study of Recovery Transient Overvoltage using ATP
Peak overvoltage occurring during switching (energizing and de-energizing) is one of the most frequently encountered problems in power systems environment.
Anantha Rao, Anantha
core

