Improved Prediction Control Method for Commutation Failure Based on Waveform Similarity Detection

被引：0

作者：

Liu J. ^{[1
]}

Liu L. ^{[1
]}

Lin S. ^{[1
]}

机构：

[1] School of Electrical Engineering, Southwest Jiaotong University, Chengdu

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2021年 / 45卷 / 10期

关键词：

Commutation failure; High voltage direct current (HVDC) transmission; Improved commutation failure prediction control (CFPREV); Initial fault angle; Waveform similarity;

D O I：

10.7500/AEPS20200410009

中图分类号：

学科分类号：

摘要：

Commutation failure is one of the most common faults in high voltage direct current (HVDC) transmission systems. In order to mitigate the inverter commutation failure in DC transmission systems, the link of commutation failure prediction control (CFPREV) is widely used in practical projects at present. However, this link is susceptible to the influence of the initial fault angle. At some initial fault angles, the variation trend of zero-sequence voltage index is contrary to the variation trend of fault severity, which will seriously restrict the starting speed of CFPREV and hinder the suppression of commutation failure. Based on CFPREV, an improved CFPREV method based on waveform similarity detection is proposed in this paper. Pearson correlation coefficient is used to represent the changes of zero-sequence voltage waveform in real time, so as to quickly detect faults and avoid the shortcomings of the original CFPREV which starts slowly at some initial fault angles. The simulation results based on the CIGRE standard test model show that the proposed control strategy can eliminate the influence of the initial fault angle on the original CFPREV, improve the operation sensitivity of CFPREV link, and inhibit the initial commutation failure of HVDC transmission system to a certain extent. © 2021 Automation of Electric Power Systems Press.

引用

页码：132 / 139

页数：7

共 26 条

[1] ZHAO Wanjun, High voltage direct current project technology, (2004)
[2] THIO C V, DAVIES J B, KENT K L., Commutation failures in HVDC transmission systems, IEEE Transactions on Power Delivery, 11, 2, pp. 946-957, (1996)
[3] LIU Z, GAO H, LUO S, Et al., A fast boundary protection for an AC transmission line connected to an LCC HVDC inverter station, Protection and Control of Modern Power Systems, 5, 4, pp. 308-319, (2020)
[4] LIU L, LIN S, LIAO K, Et al., Extinction angle predictive control strategy for commutation failure mitigation in HVDC systems considering voltage distortion, IET Generation, Transmission & Distribution, 13, 22, pp. 5171-5179, (2019)
[5] RUAN Siye, XU Kai, LIU Dan, Et al., Statistical analysis and suggestions on resistance measures for commutation failures of HVDC transmission system, Automation of Electric Power Systems, 43, 18, pp. 13-17, (2019)
[6] ZHOU Bohao, LI Fengting, YIN Chunya, Et al., Preventive strategy for mitigation of commutation failure based on finite time domain prediction algorithm of DC current, Automation of Electric Power Systems, 44, 6, pp. 178-196, (2020)
[7] XIA Haitao, ZHOU Xiaoping, HONG Lerong, Et al., An adaptive current deviation control method for suppressing following commutation failures, Proceedings of the CSEE, 39, 15, pp. 4345-4356, (2019)
[8] LIU Lei, LIN Sheng, LIU Jian, Et al., Mechanism analysis of continuous commutation failure caused by improper interaction of controllers, Power System Technology, 43, 10, pp. 3562-3568, (2019)
[9] LI Xinnian, CHEN Shuyong, PANG Guangheng, Et al., Optimization of commutation failure prevention and automatic recovery for East China multi-infeed high-voltage direct current system, Automatic of Electric Power Systems, 39, 6, pp. 134-140, (2015)
[10] TANG Yi, ZHENG Chenyi, WANG Yu, Et al., Optimization method for commutation failure prevention control considering AC/DC reactive power interaction characteristics, Automatic of Electric Power Systems, 44, 21, pp. 50-60, (2020)

← 1 2 3 →