Fast Frequency Regulation Method for Power System With Two-Stage Photovoltaic Plants

被引：21

作者：

Zhang, Jianhua ^{[1
]}

Zhang, Bin ^{[2
]}

Li, Qian ^{[2
]}

Zhou, Guiping ^{[3
]}

Wang, Lei ^{[3
]}

Li, Bin ^{[3
]}

Li, Kang ^{[4
]}

机构：

[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China

[2] North China Elect Power Univ, Sch Control & Comp Engn, Beijing 102206, Peoples R China

[3] State Grid Liaoning Elect Power Supply Co Ltd, Shenyang 110006, Peoples R China

[4] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2022年 / 13卷 / 03期

关键词：

Frequency control; Photovoltaic systems; Voltage control; Regulation; Power systems; Control systems; Adaptive control; Frequency regulation; gravitational search algorithm; particle swarm optimization; photovoltaic; CONTROL STRATEGY; OPTIMIZATION; PARAMETERS; INERTIA;

D O I：

10.1109/TSTE.2022.3175662

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The full utilization of solar energy is of great significance in reducing carbon emissions and alleviating environmental problems. Fast frequency regulation plays an important role in the power system with grid-connected two-stage photovoltaic (PV) plants. The presented fast frequency regulation method is composed of droop control, virtual inertia control and de-loading control. This work focuses on improving droop control and virtual inertia control for PV plants connected to grid. Due to non-Gaussian disturbance induced by solar irradiance, an adaptive control strategy is proposed by minimizing an improved performance index which combines the mean square error (MSE) and the minimum error entropy (MEE) criteria. Based on the collected frequency deviation series data, the entropy of the frequency deviation is estimated with the aid of a quantizer. The droop control coefficient and inertia gain are then solved by an improved gravitational search algorithm (IGSA). Finally, the effectiveness of the proposed strategy is testified by an illustrative power system with a two-stage grid-connected PV plant.

引用

页码：1779 / 1789

页数：11

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