Multi-Mode Coordinated Control Strategy for DC Receiving Converter Station with Synchronous Condenser under Full Operating Conditions

被引：0
|
作者：
Li H. [1 ]
Wang Z. [2 ]
Zhou T. [3 ]
Mao W. [3 ]
Wang X. [1 ]
机构：
[1] State Grid Hunan Electric Power Corporation Limited Research Institute, Changsha
[2] School of Electrical and Information Engineering, Changsha University of Science & Technology, Changsha
[3] State Grid Hunan Electric Power Corporation Limited, Changsha
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷 / 17期
关键词：
Commutation failure; Line commutated converter-high voltage direct current (LCC-HVDC); Multi-mode coordination control; Receiving converter station; Synchronous condenser;
D O I：
10.19595/j.cnki.1000-6753.tces.191180
中图分类号：
学科分类号：
摘要：
Aiming at the lack of research on the cooperation between synchronous condenser (SC) and DC control system and reactive power group in converter station,the quasi-steady state model of the line commutated converter-high voltage direct current (LCC-HVDC) receiving converter station is introduced,and the relationship between the SC terminal voltage and the excitation current If is derived,a multi-mode coordinated control strategy for DC receiving end with SC under full conditions is proposed. Which includes a reactive group switching control mode that prevents transient voltage exceed the limit,an automatic voltage control (AVC) mode that increases the AVC command adjustment range,and a transient control mode that suppresses the occurrence of commutation failure under system fault. The model of Qishao ±800kV UHVDC transmission system is established in PSCAD,and the simulation is verified under the multi-conditions. The results show that the proposed strategy effectively improves the operating characteristics of the SC-containing receiving system. © 2020, Electrical Technology Press Co. Ltd. All right reserved.
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页码：3678 / 3690
页数：12
相关论文
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