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Method for Suppressing Neutral Point Displacement Overvoltage and Suppression Circuit in Distribution Network

2018 China International Conference on Electricity Distribution (CICED), 2018
Neutral displacement overvoltage is harmful to power equipment. A method for suppressing the neutral point displacement overvoltage and its suppression circuit were proposed in this paper to restore it to a normal level. First, it is judged if the neutral point displacement voltage is greater than the set value.
Liu Ran
exaly   +2 more sources

Study on the Simulation of the EMU Body Operating Main Breaker Overvoltage and High-Voltage Side Suppression Method Based on the 3D Structure

open access: yesElectronics, 2023
Current circuit simulation research on EMU (Electric Multiple Unit) overvoltage has focused on overvoltage amplitude distribution and the oscillation frequency of the operating main circuit breaker overvoltage.
Jian-Qiong Zhang   +2 more
exaly   +2 more sources

A Neutral Point Overvoltage Suppression Method Based on Backstepping Control with DC Suppression

2021 6th International Conference on Power and Renewable Energy (ICPRE), 2021
Mou-Fa Guo
exaly   +2 more sources

Flexible neutral point displacement overvoltage suppression method based on backstepping control in unbalanced distribution networks [PDF]

open access: yesInternational Journal of Electrical Power and Energy Systems, 2023
Three-phase AC distribution networks are required to operate as symmetrically as possible for optimal performance, but the three-phase-to-ground parameters are asymmetric in the field due to network construction deviation, resulting in the three-phase ...
Mou-Fa Guo, Shuyue Lin
exaly   +2 more sources

Overvoltage and Oscillation Suppression Circuit With Switching Losses Optimization and Clamping Energy Feedback for SiC MOSFET [PDF]

open access: yesIEEE Transactions on Power Electronics, 2021
The snubber circuit is a cost-effective solution to reduce the severe turn-off overvoltage and oscillation caused by the fast switching characteristics of SiC MOSFET.
Chengzi Yang, Long yang, Laili Wang
exaly   +3 more sources

Overvoltage Suppression for Modular Multilevel Converter With Switch Open-Circuit Fault

IEEE Transactions on Industrial Electronics, 2022
hust PengLi, Zhen Wang
exaly   +2 more sources

Atmospheric Overvoltages Suppression: In Situ and Analytical Validation

IEEE Transactions on Electromagnetic Compatibility, 2023
This article deals with the issues arising from non-adequately designed grounding system of the telecommunication cell tower, in situ experimental investigations, novel system design, and consecutive verification as well as in-depth analysis based on the analytical model.
Tonko Garma   +3 more
openaire   +3 more sources

Load Rejection Overvoltage Suppression and Parameter Design Method of UHV AC Transmission Line

open access: yesElectronics
UHV (ultra-high voltage) by instant AC transmission system is accompanied by huge reactive power transmission. When the load drops sharply, it is easy to produce serious power frequency overvoltage, which is also defined as load rejection overvoltage ...
Ding Yixing, Haiguang Liu
exaly   +2 more sources

Application of Superconductors to Suppress Ferroresonance Overvoltage in DFIG-WECS

IEEE Transactions on Energy Conversion, 2022
While much attention was given in the literature to improve the fault ride through (FRT) capability of a doubly-fed induction generator (DFIG)-based wind energy conversion system (WECS) during various faults at the grid side, not much attention was given to investigate and improve the performance of DFIG-WECS under ferroresonance conditions. This paper
Mohamed Mosaad   +3 more
openaire   +1 more source

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