永仁-阜宁直流直流线路故障恢复控制策略优化研究

2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2) Pub Date : 2022-11-11 DOI:10.1109/EI256261.2022.10116792

Yukun Zhu, Libin Huang, Shuyong Li, Yihua Zhu, Yantao Song, Ren Liu

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引用次数: 0

摘要

±500kV永仁-阜宁直流输电工程是我国首个送、收两端均位于省内的高压直流输电工程。在整流站和逆变站极控系统间通信故障的情况下发生直流线路故障时，由于逆变站直流线路故障恢复的频繁重复动作，使得高压直流系统无法阻塞。为了解决这一问题，提出了一种直接阻塞直流系统的最优控制策略。通过RTDS仿真验证了优化控制策略。仿真结果表明，所提出的直流线路故障恢复优化控制策略能够有效地解决上述问题。该策略已在现场永久实施，对当前运行中的高压直流/特高压直流输电工程具有重要意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optimization Study on the Control Strategy of DC Line Fault Recovery for Yongren-Funing HVDC

The ±500kV Yongren-Funing HVDC transmission project is the first HVDC project whose sending and receiving ends are both located in the same province. When DC line fault happened under the condition of inter-communication fault between the pole control systems of the rectifier and inverter stations, the HVDC system cannot be blocked because of the frequent repeating actions of the DC line fault recovery in the inverter station. In order to solve the problem, an optimal control strategy of direct blocking HVDC system was proposed to solve the above issue. The optimization control strategy was verified by RTDS simulation. The simulation results showed that the proposed optimization control strategy of the DC line fault recovery could solve the above problems effectively. The proposed strategy has already been implemented on site permanently, which has great significance for the HVDC/UHVDC transmission projects in operation currently.

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来源期刊

2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2)

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