Results 81 to 90 of about 577 (206)

A system study on superconducting fault current limiting transformer (SFCLT) with the functions of fault current suppression and system stability improvement [PDF]

, 2001
In this paper, we propose a "Superconducting Fault Current Limiting Transformer (SFCLT)"; superconducting transformer equipped with the function of superconducting fault current limiter. We discussed the operating characteristics of SFCLT introduced into
Okubo, H., Kagawa, H., Hayakawa, N.
core   +1 more source

New Passive Filter Design Method for Overvoltage Suppression and Bearing Currents Mitigation in a Long Cable Based PWM Inverter-Fed Motor Drive System

, 2017
High-frequency pulse width modulation (PWM) in inverter-fed induction motor drive systems is widely used in industrial applications because of their flexible speed control and energy savings.
Chung, Henry Shu-hung, Wu, Weimin, Jiang, Yanmin, Blaabjerg, Frede; id_orcid, He, Yuanbin   +4 more
core   +1 more source

VCT-AOC Comprehensive Method to Suppress High-Frequency Resonance and Low-Frequency Oscillation in Railway Traction Power Supply System

IEEE Access, 2019
Aiming at the high-frequency resonance (HFR) and low-frequency oscillation (LFO) phenomena in high-speed railways, a comprehensive suppression method named voltage constant transient active oscillation compensation (VCT-AOC) is proposed.
Xinyu Zhang, Jie Chen, Ruichang Qiu, Zhigang Liu   +3 more
doaj   +1 more source

Overvoltage Suppression Strategy of LCC-HVDC Delivery System Based on Hydropower Phase Control Participation

In a high-voltage direct current (HVDC) transmission system, commutation failure at the receiving end may lead to transient overvoltage at the sending end converter bus of the weak alterative current (AC) system. Firstly, the principle calculation method
Peng Shi, Xiaorong Wu, Yuanqi Li, Jianquan Liao, Weigang Zeng, Huabo Shi, Yuhong Wang, Bin Cao   +7 more
core   +1 more source

Overvoltage Simulation [PDF]

, 2022
Приведены результаты моделирования перенапряжений в сети 10 кВ в программном комплексе Multisim для различных режимов работы нейтрали при различных условиях.
Каминский, М. В., Добродей, А. О.   +1 more
core  

Adaptive transient overvoltage control strategy for wind farm based on data‐driven method

IET Electric Power Applications
To achieve the transient overvoltage suppression of doubly fed induction generator (DFIG) terminals and the point of common coupling (PCC) in the wind farm (WF), an adaptive overvoltage control strategy based on data‐driven approach is proposed. Firstly,
Xiaofei Liu, Pei Zhang
doaj   +1 more source

An Improved Suppression Method of AC Transient Overvoltage for Line Commuted Converter Based High Voltage Direct Current Considering AC-DC System Coupling

Commutation failures in line commuted converter-based high voltage direct current (LCC-HVDC) transmission systems leads to an increase in the converter bus voltage of the rectifier station, thus resulting in AC transient overvoltage in the sending-end ...
Yujie Chen, Yanbo Diao, Jinxin Ouyang, Xinyu Pan   +3 more
core   +1 more source

Modeling and Simulation of Overvoltage Suppression in Ground Automatic Neutral Section Passing System

, 2019
The working principle of ground automatic neutral section passing system of electronic switch was introduced. The calculation of electrical parameters of catenary, traction load and phase passing device and system simulation modeling were carried out ...
Liran WU, Yaping ZHENG
core   +1 more source

Transient AC Overvoltage Suppression Orientated Reactive Power Control of the Wind Turbine in the LCC-HVDC Sending Grid

CES Transactions on Electrical Machines and Systems
High-voltage direct current (HVDC) transmission is a crucial way to solve the reverse distribution of clean energy and loads. The line commutated converter-based HVDC (LCC-HVDC) has become a vital structure for HVDC due to its high technological maturity
Bo Pang, Xiao Jin, Quanwang Zhang, Yi Tang, Kai Liao, Jianwei Yang, Zhengyou He   +6 more
doaj   +1 more source

Reactive power sensitivity-based novel overvoltage suppression strategy for parallel VSC-and-LCC-HVDC transmission system

International Journal of Electrical Power & Energy Systems
The rapid deployment of both line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage source converter-based high-voltage direct current (VSC-HVDC) does not only prolificate AC/DC grid coupling but also form new DC transmission ...
Yi Hao, Lujie Yu, Chuanjie Nie, Fengdi Li, Heyu Luo   +4 more
doaj   +1 more source