基于拓扑重构与分布式电源调度的配电网灾后恢复策略

doi:10.3969/j.issn.2097-0706.2022.02.005

综合智慧能源 ›› 2022, Vol. 44 ›› Issue (2): 29-34.doi: 10.3969/j.issn.2097-0706.2022.02.005

基于拓扑重构与分布式电源调度的配电网灾后恢复策略

王卓容(), 石庆鑫^*()

华北电力大学电气与电子工程学院,北京 102206

收稿日期:2021-12-20 修回日期:2022-01-15 出版日期:2022-02-25 发布日期:2022-03-07
通讯作者: 石庆鑫
作者简介:王卓容（1999）,女,在读硕士研究生,从事配电网灾后抢修与恢复调度研究, iswangzhr@163.com
基金资助:
华北电力大学中央高校基本科研业务费专项资金资助项目(2021MS008)

Post-disaster restoration strategy of power distribution systems based on topology reconfiguration and distributed generation scheduling

WANG Zhuorong(), SHI Qingxin^*()

School of Electrical and Electronic Engineering,North China Electric Power University,Beijing 102206,China

Received:2021-12-20 Revised:2022-01-15 Online:2022-02-25 Published:2022-03-07
Contact: SHI Qingxin

摘要/Abstract

摘要：

为提升配电系统在极端天气下的弹性,提出一种配电网灾后恢复算法。针对系统发生N-k故障的场景,建立拓扑重构与分布式电源协同调度模型,最小化灾害带来的切负荷损失。在调度模型中,通过混合整数线性方程表征故障场景下的网络保持辐射状拓扑约束、分布式电源约束与系统潮流约束。该方法综合考虑了可调度分布式能源、不可调度分布式能源,以及旁路电容器的运行特性。以IEEE 33节点系统为例,选取相对严重的灾害场景,验证了故障后恢复算法的有效性。

关键词: 极端天气, 灾后恢复, 配电网弹性, 拓扑重构, 分布式电源, 旁路电容器

Abstract:

A post-disaster restoration（PDR）strategy is proposed to enhance the resilience of power system against extreme weather.Under the N-k fault scenarios,a cooperative dispatching model of topological reconfiguration and distributed generators（DGs）is established to minimize the load-shedding cost due to disasters.The PDR strategy model characterizes the radial topological constraints,DG scheduling constraints and system power flow constraints in fault scenarios as a set of mix integer linear equations.The proposed method fully considers the operating characteristics of dispatchable DGs,non-dispatchable DGs and shunt capacitors.Finally,the proposed PDR strategy is validated by an IEEE 33-bus system in serious fault scenarios.

Key words: extreme weather, post-disaster restoration（PDR）, distribution system resilience, topology reconfiguration, distributed generator, shunt capacitor

中图分类号:

TM7：TK514

王卓容, 石庆鑫. 基于拓扑重构与分布式电源调度的配电网灾后恢复策略[J]. 综合智慧能源, 2022, 44(2): 29-34.

WANG Zhuorong, SHI Qingxin. Post-disaster restoration strategy of power distribution systems based on topology reconfiguration and distributed generation scheduling[J]. Integrated Intelligent Energy, 2022, 44(2): 29-34.

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分类	参数	参数值
系统元件	负荷	3 715 kW+j2 300 kV·A
	柴油发电机	3台,600 kW
	光伏系统	8台,640 kW
	并联电容器	4台,1 100 kV·A
费用	c^G	1.5 元/（kW·h）
费用	c^L	9.0 元/（kW·h） (重要负荷) 2.5 元/（kW·h） (非重要负荷)
系统电压标么值	V^min	0.93
	V^max	1.05
	V_sub0	0.99

项目	场景1	场景2
最小节点电压标么值	0.988	0.966
总运行费用/万元	1.521	4.835

基于拓扑重构与分布式电源调度的配电网灾后恢复策略

Post-disaster restoration strategy of power distribution systems based on topology reconfiguration and distributed generation scheduling

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