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北京交通大学电气工程学院,北京市 100044
Received:30 July 2020,
Revised:2020-12-15,
Published Online:09 March 2021,
Published:25 April 2021
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王颖,马佳骏,王小君等.含智能软开关的配电网重要负荷恢复方法[J].电力系统自动化,2021,45(8):104-111.
WANG Ying,MA Jiajun,WANG Xiaojun,et al.Critical Load Restoration Method for Distribution Network with Soft Open Point[J].Automation of Electric Power Systems,2021,45(8):104-111.
王颖,马佳骏,王小君等.含智能软开关的配电网重要负荷恢复方法[J].电力系统自动化,2021,45(8):104-111. DOI: 10.7500/AEPS20200730004.
WANG Ying,MA Jiajun,WANG Xiaojun,et al.Critical Load Restoration Method for Distribution Network with Soft Open Point[J].Automation of Electric Power Systems,2021,45(8):104-111. DOI: 10.7500/AEPS20200730004.
针对含多个智能软开关(SOP)的有源配电网大面积停电场景下的重要负荷恢复问题,文中提出了两步式负荷恢复方法。首先,求解混合整数二阶锥规划(MISOCP)确定各时段最优恢复策略。然后,根据第2步所提出的恢复操作规则确定相邻时段间运行状态转化的开关操作次序和SOP的控制模式。其中,MISOCP以最大化加权负荷供电时间为目标,考虑了配电网、SOP与电源的运行约束等。恢复操作规则以尽可能快速优先恢复重要负荷供电为目标,根据第1步最优恢复策略与SOP在系统中的作用进行开关操作和SOP控制模式切换。算例测试采用改进的手拉手配电网进行对比验证,结果验证了所提两步式负荷恢复方法的有效性和优越性。
In the large-area blackout scenario
aiming at the critical load restoration problem for the active distribution network with multiple soft open points (SOPs)
this paper proposes a two-step load restoration method. Firstly
a mixed-integer second-order cone program (MISOCP) is solved to determine the optimal restoration strategy in each period. Secondly
according to the recovery operation rule proposed in the second step
the switch operation sequence and SOP control mode of operation state transition between adjacent periods are determined. Among them
the MISOCP model aims to maximize the weighted load power supply time
which considers the operation constraints of the distribution network
SOP and power supply
etc. The restoration operation rule aims to restore the power supply of critical loads as quickly as possible. According to the first-step optimal recovery strategy and the role of the SOP in the system
switch operation and SOP control mode switching are carried out. In the case study
a hand-in-hand distribution network is used for comparison and verification. The results show the effectiveness and superiority of the proposed two-step load restoration method.
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