柔性多状态开关新型复合控制策略

HUO Qunhai

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柔性多状态开关新型复合控制策略

更新时间：2025-08-13

- 柔性多状态开关新型复合控制策略
- Automation of Electric Power Systems Vol. 42, Issue 7, Pages: 166-170(2018)
- 作者机构：
  
  中国科学院电工研究所,北京市,100190
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018
- 稿件说明：
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HUO Qunhai. [J]. Automation of electric power systems, 2018, 42(7): 166-170.
DOI：

HUO Qunhai. [J]. Automation of electric power systems, 2018, 42(7): 166-170. DOI：

摘要

分布式电源的大量接入和电动汽车的快速普及成为现今配电网面临的双重挑战，同时当前配电网普遍存在闭环设计、开环运行的现象，导致配电网内馈线功率失衡现象严重。为解决上述问题，文中研究了用于配电网馈线互联的柔性多状态开关控制技术。基于柔性多状态开关接入方式和拓扑分析，分析了柔性多状态开关与两侧馈线进行功率交换的原理。然后提出了一种新型复合控制策略，直流母线电压由所有变流器共同控制，能够实现装置同时独立进行有功潮流调节和无功补偿两种功能。搭建了仿真模型和原理样机实验平台，进行了配电网两条馈线潮流控制和无功补偿功能验证。仿真和实验结果显示，所提出的控制策略有效可行。

Abstract

A large number of distributed generators accessing to distribution networks and the rapid popularization of electric vehicles have become the challenges for distribution networks. At the same time

the closed-loop design and open-loop operation of the distribution network generally lead to the serious unbalance of feeder power in the distribution network. In order to solve the problems above

this paper focuses on the research of the control technique of flexible multi-state switch for feeder interconnection in the distribution network. Based on the analysis on access modes and topology of the flexible multi-state switch

the principle of power exchange between the flexible multi-state switch and two feeder lines is analyzed. Then a new compound control strategy for the flexible multi-state switch is proposed. In this strategy

the DC bus voltage is controlled by all converters

which can simultaneously realize the functions of independent active power flow regulation and reactive power compensation. The simulation model and the prototype experiment platform are built

and the power flow control and the reactive power compensation function of two feeder lines are verified. The simulation and experimental results show that the proposed control strategy is effective and feasible.

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