Research of Off-grid Energy Storage Converter Based on Repetitive Control and PI Control

被引：0

作者：

Feng Xinzhen ^{[1
]}

Wang Deshun ^{[1
]}

Yu Haojie ^{[1
]}

Yue Fuchang ^{[2
]}

机构：

[1] China Elect Power Res Inst, Jiansu Engn Technol Res Ctr Energy Storage Conver, Nanjing, Jiangsu, Peoples R China

[2] State Grid Lian Yun Gang Power Supply Co, Lian Yun Gang, Peoples R China

来源：

2018 CHINA INTERNATIONAL CONFERENCE ON ELECTRICITY DISTRIBUTION (CICED) | 2018年

关键词：

Energy storage converter; Repetitive control; Off-grid; Compound control;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The coordinated control of photovoltaic energy storage DC power supply system is one of most important issues for ensuring the system reliable operation. An autonomous control strategy is proposed for photovoltaic-energy storage DC power supply system without communication, With this strategy, any unit in system can switch its control mode smoothly via common DC bus voltage. During transition, its droop curve can be adjusted adaptively according to current operating state. The DC bus voltage amplitude is employed as an information carrier to determine the operation mode switching. Hence, each controller operates independently without communicating each other. With this method, voltage regulation, power balance and power sharing among different sources are guaranteed. Above conclusions are verified through PSCAD simulation in a photovoltaic energy storage DC power supply system.

引用

页码：1945 / 1950

页数：6

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