Three-stage Robust Voltage Control Method for Active Distribution Network with Soft Open Points

HU Ruonan; WANG Wei; WU Xuezhi; JING Long; MA Wei

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Three-stage Robust Voltage Control Method for Active Distribution Network with Soft Open Points

更新时间：2025-12-08

- Three-stage Robust Voltage Control Method for Active Distribution Network with Soft Open Points
- Vol. 46, Issue 11, Pages: 3752-3763(2020)
- 作者机构：
  
  北京交通大学国家能源主动配电网技术研发中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 November 2020，
  
  Published：2020
- 稿件说明：
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HU Ruonan, WANG Wei, WU Xuezhi, et al. Three-stage Robust Voltage Control Method for Active Distribution Network with Soft Open Points[J]. 2020, 46(11): 3752-3763.
DOI：

HU Ruonan, WANG Wei, WU Xuezhi, et al. Three-stage Robust Voltage Control Method for Active Distribution Network with Soft Open Points[J]. 2020, 46(11): 3752-3763. DOI：

摘要

为了解决大规模光伏接入主动配电网后引起的节点电压越限和波动的问题

提出了一种含智能软开关（soft open point

SOP）的主动配电网3阶段鲁棒电压控制（three-stage robust voltage control

TSRVC）方法。该方法的第1阶段考虑了长时间尺度下光伏出力和负荷的不确定性

对有载调压变压器的分接头位置和电容器组的投切组数进行了鲁棒优化;第2阶段根据光伏和负荷的短期功率预测结果

对各个SOP的有功功率和其电压-无功下垂曲线进行了优化;第3阶段根据节点电压的实时测量值和上一阶段优化得到的电压-无功下垂曲线

动态地调整各个SOP的实时无功功率输出。最后

在改进的IEEE 33节点算例上进行了仿真

结果表明:所提3阶段鲁棒电压控制方法可以充分应对光伏出力和负荷的不确定性

将节点电压有效控制在理想范围内的同时

能够显著降低系统的运行损耗

实现含高渗透率光伏配电网的电压控制。

Abstract

A three-stage robust voltage control（TSRVC） method with soft open point（SOP） is proposed to solve the problem of voltage violations and fluctuations in the active distribution network（ADN） with high penetration photovoltaic（PV）. At the first stage

the uncertainties of PV output and load are considered on a long time scale. The tap position of OLTC and the set number of CBs are optimized robustly. At the second stage

the active power of each SOP is optimized on a short time scale based on the short-term prediction of PV and load

and the voltage-var control curves are optimized. At the third stage

the local reactive power output of each SOP is dynamically adjusted according to the real-time measured voltage and the voltage-var control curve on the minute scale. Finally

the proposed method is simulated on the improved IEEE 33 node system. The results show that the proposed TSRVC method can be adopted to fully deal with the uncertainty of PV output and load

effectively control the node voltage in an ideal range

and significantly reduce the power loss of the system

realizing the voltage control of ADN with high penetration PV.

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