Sequential Voltage Regulation of Soft Normally Open Point in Active Distribution Network Based on Second-order Cone Programming

ZHAO Jinli; LI Yuwei; LI Peng; JI Haoran; WANG Chengshan; WU Jianzhong

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Sequential Voltage Regulation of Soft Normally Open Point in Active Distribution Network Based on Second-order Cone Programming

更新时间：2025-12-08

- Sequential Voltage Regulation of Soft Normally Open Point in Active Distribution Network Based on Second-order Cone Programming
- Vol. 42, Issue 7, Pages: 2134-2141(2016)
- 作者机构：
  
  1. 天津大学智能电网教育部重点实验室
  2. 卡迪夫大学工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 July 2016，
  
  Published：2016
- 稿件说明：
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ZHAO Jinli, LI Yuwei, LI Peng, et al. Sequential Voltage Regulation of Soft Normally Open Point in Active Distribution Network Based on Second-order Cone Programming[J]. 2016, 42(7): 2134-2141.
DOI：

ZHAO Jinli, LI Yuwei, LI Peng, et al. Sequential Voltage Regulation of Soft Normally Open Point in Active Distribution Network Based on Second-order Cone Programming[J]. 2016, 42(7): 2134-2141. DOI：

摘要

智能软开关（soft normally open point

SNOP）是一种代替传统联络开关可进行实时功率控制的电力电子装置

在正常运行时主要提供有功功率的传输

当电压问题突出时

SNOP可进行电压无功控制。为此

首先建立了SNOP电压无功控制问题的时序模型

该模型数学上属于大规模非线性规划问题

给计算求解带来较大的挑战;通过采用凸松弛技术将其转化为二阶锥模型

实现该问题的快速、准确求解;最后

采用IEEE 33节点算例

对所提出的优化模型与求解方法进行了分析与验证。结果表明

利用SNOP在有源配电网中进行电压无功控制

可以有效地缓解电压波动、降低系统损耗;基于二阶锥规划的求解方法在保证求解最优性的同时

极大地提高了计算效率。

Abstract

Soft normally open point（SNOP） refers to a novel power electronic device with the capability of real-time power adjustment

which is usually to replace a tie switch and responsible for active power transfer in normal conditions and for voltage regulation if needed. Firstly

sequential voltage regulation model of SNOP is established

and it is essentially a large scale nonlinear optimization problem

bringing a challenge for solving the problem. Secondly

a method is proposed to change the model into a solvable form by second-order cone programming（SOCP）

solving the problems quickly. Finally

case studies on IEEE 33-node system verify the effectiveness of the proposed model and the method. The utilization of SNOP for voltage regulation in active distribution network can effectively reduce the voltage fluctuations and decrease the network loss. The solving method based on SOCP can ensure solving optimality and greatly improve computational efficiency.

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Related Institution

Faculty of Automation and Information Engineering, Xi’an University of Technology

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