Simulation of Consumption Capacity and Voltage Control Strategy of Distribution Network With High Penetration of Photovoltaics

被引：0
|
作者：
Yao H. [1 ]
Du X. [1 ]
Li T. [1 ]
Jia C. [1 ]
机构：
[1] College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, Shanxi Province
来源：
Dianwang Jishu/Power System Technology | 2019年 / 43卷 / 02期
关键词：
Active reduction; Distributed photovoltaic; Photovoltaic consumption; Reactive power compensation; Voltage sensitivity;
D O I：
10.13335/j.1000-3673.pst.2018.2036
中图分类号：
学科分类号：
摘要：
As large-scale distributed photovoltaic systems are integrated into distribution network, the distribution network penetration rate continues to increase. Imbalance between photovoltaic output and load leads to reverse power flow in the line and voltage exceeding limit. Monte Carlo random method is used to simulate the large-scale PV access scenario of the distribution network. Simulation results are comprehensively analyzed from two aspects, i. e. only penetration rate and all affecting factors, to fully evaluate PV consumption capacity of the distribution network. It is proposed to use the control measures of PV system inverters to alleviate voltage over-limit problem at grid-connection nodes. Through calculating voltage, the sensitivity matrix assigns reactive compensation to all grid-connected inverters, supplemented by active power reduction, to improve photovoltaic grid-connected characteristics. An IEEE 33-node system is built with MATLAB as simulation platform. Simulation results confirm effectiveness and feasibility of the proposed method. © 2019, Power System Technology Press. All right reserved.
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页码：462 / 469
页数：7
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