Power Supply Restoration Strategy Based on Flexible Multi-state Switch in Case of Loss of Feeder Power

ZHANG Guorong; PENG Bo; ZHU Yiming; SHEN Cong; WANG Chaoliang; XU Feng

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Power Supply Restoration Strategy Based on Flexible Multi-state Switch in Case of Loss of Feeder Power

更新时间：2025-12-08

- Power Supply Restoration Strategy Based on Flexible Multi-state Switch in Case of Loss of Feeder Power
- Vol. 46, Issue 8, Pages: 2723-2731(2020)
- 作者机构：
  
  1. 合肥工业大学电气与自动化工程学院
  2. 合肥供水集团有限公司
  3. 国网浙江省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 August 2020，
  
  Published：2020
- 稿件说明：
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ZHANG Guorong, PENG Bo, ZHU Yiming, et al. Power Supply Restoration Strategy Based on Flexible Multi-state Switch in Case of Loss of Feeder Power[J]. 2020, 46(8): 2723-2731.
DOI：

ZHANG Guorong, PENG Bo, ZHU Yiming, et al. Power Supply Restoration Strategy Based on Flexible Multi-state Switch in Case of Loss of Feeder Power[J]. 2020, 46(8): 2723-2731. DOI：

摘要

馈线发生故障时

柔性多状态开关能够迅速检测和隔离故障

并恢复非故障失电区负荷供电。基于此

建立了dq坐标下三端口柔性多状态开关故障离网侧和正常并网侧的动态数学模型

针对馈线失电故障情况

建立以失电区域负荷失电量最小、馈线负载均衡因子最大和网络损耗最小为目标的优化模型

通过GAMS软件求解得到非故障侧的功率转供分配方案

推导出最优的配电网供电恢复方案。根据功率补给方案计算值来确定功率控制模式下的有功功率参考值

并在MATLAB/Simulink中验证了三端口柔性多状态开关的动态响应特性和控制策略选择的有效性。

Abstract

When a feeder fails

the flexible manufacture system can quickly detect and isolate faults

and restore power supply to non-fault power supply area. In this paper

two dynamic mathematic models of fault off-grid and normal grid-connected sides of three-port flexible manufacture system in dq coordinates are built. And the optimization model taking aim at the minimum load loss

the maximum feeder load balancing factor

and the minimum network loss is established for the failure situation of the feeder. The power supply allocation scheme on the non-fault side is obtained by using GAMS and the optimal distribution network power restoration scheme is derived. According to the value obtained by the power supply restoration scheme

the reference value of active power controlled by the P–Q is determined

and the dynamic response characteristic of the three-port flexible manufacture system is obtained in MATLAB/Simulink. Moreover

the practicality of the selection of the control strategy is verified.

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