Research on DC power flow controllable multi-port DC circuit breaker

被引：2
作者：
Xu, Feng [1 ]
Lu, Yi [1 ]
Huang, Xiaoming [1 ]
Lu, Chengyu [1 ]
Qiu, Peng [1 ]
Ding, Chao [1 ]
机构：
[1] State Grid Zhejiang Elect Power Res Inst, Hangzhou 310014, Peoples R China
来源：
ENERGY REPORTS | 2022年 / 8卷
关键词：
Power flow control; DC circuit breaker; Control strategy; Fault current;
D O I：
10.1016/j.egyr.2021.11.073
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
For the problem of fault isolation and power flow control in DC grid, this paper proposes a DC power flow controllable multi-port DC circuit breaker. Under the normal operation, this breaker has the function of DC power flow regulation, which is used to regulate the power flow on DC lines. After the DC system fails, this breaker is equivalent to the hybrid DC breaker, which is used to cut off the fault current and isolate the fault line. In the paper, the steady-state power flow regulation mechanism and transient current interrupting mechanism of the breaker are described in detail. Finally, a meshed DC grid is built in PSCAD/ EMTDC simulation platform. The simulation results show that the proposed topology has good performance in power flow control and current interrupting. (c) 2021 The Author(s). Published by Elsevier Ltd.
引用
收藏
页码：1163 / 1171
页数：9
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