发电技术 ›› 2020, Vol. 41 ›› Issue (2): 175-185.DOI: 10.12096/j.2096-4528.pgt.19066

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直流分布式电源系统稳定性判据研究综述

王久和1(),王勉2(),吴学智2(),李建国1(),唐芬2(),张雅静1()   

  1. 1 北京信息科技大学, 北京市 海淀区 100192
    2 北京交通大学, 北京市 海淀区 100044
  • 收稿日期:2019-04-27 出版日期:2020-04-30 发布日期:2020-04-23
  • 作者简介:王久和(1959),男,博士,教授,研究方向为电能变换器非线性控制、电能质量控制、微电网等, wjhyhrwm@163.com|王勉(1985),男,博士研究生,研究方向为电力电子系统及其控制、直流微电网等, 17117421@bjtu.edu.cn|吴学智(1975),男,博士,副教授,研究方向为微电网、风力发电系统、电能变换器、电能质量和电动机控制等, xzhwu@bjtu.edu.cn|李建国(1975),男,博士,副教授,研究方向为双向DC-DC变换器、高频电能转换系统、柔性AC和DC传输或分布系统, lijianguo@bistu.edu.cn|唐芬(1984),女,博士,副教授,研究方向为微电网、风力发电系统、电能质量及电动机控制等, fent@bjtu.edu.cn|张雅静(1984),女,博士,讲师,研究方向为高频DC-DC变换器、高功率密度DC-DC变换器及其在新能源中应用等, zhangyajing@bistu.edu
  • 基金资助:
    国家自然科学基金项目(51777012);北京市自然科学基金-教委联合资助项目(KZ201911232045)

Review of Stability Criteria Study for Direct Current Distributed Power System

Jiuhe WANG1(),Mian WANG2(),Xuezhi WU2(),Jianguo LI1(),Fen TANG2(),YA Jing ZHANG1()   

  1. 1 Beijing Information Science & Technology University, Haidian District, Beijing 100192, China
    2 Beijing Jiaotong University, Haidian District, Beijing 100044, China
  • Received:2019-04-27 Published:2020-04-30 Online:2020-04-23
  • Supported by:
    National Natural Science Foundation of China(51777012);Beijing Natural Science Foundation-Educational Commission Joint Funding Project(KZ201911232045)

摘要:

在实际工程应用中,需要利用稳定性判据判断直流分布式电源系统(direct current distributed power system,DCDPS)的稳定性,以便采取合适的控制策略。因此,DCDPS稳定性判据成为国内外学者研究的热点。对基于等效源变换器(子系统)和负载变换器(子系统)的稳定性判据、基于母线电压控制变换器和母线电流控制变换器的稳定性判据、基于无源性的稳定性判据、大扰动信号情况下稳定性判据的基本思想、特点进行分析。指出这些稳定性判据的优点与不足,给出了DCDPS稳定性判据研究的趋势,提出了基于无源性的稳定性判据和其他判据相结合的稳定性判断新方法。

关键词: 直流分布式电源系统(DCDPS), 稳定性判据, 源变换器, 负载变换器, 次回路增益, 无源性, 大扰动

Abstract:

In practical engineering application, it is necessary to judge the stability of direct current distributed power system (DCDPS) by using stability criteria, so as to adopt appropriate control strategies. Therefore, stability criteria of DCDPS are generally interested by scholars at home and abroad. The basic idea and characteristics of stability criteria based on equivalent source converter (subsystem) and equivalent load converter (subsystem), a bus voltage-controlled converter and a bus current-controlled converter, passivity and large disturbance signal were analyzed. Based on the above analysis, the advantages and defects of the stability criteria were pointed out. The research trends of the stability criteria for DCDPS were put forward, and a new method of stability criteria was proposed by combining passivity-based stability criterion and other stability criteria.

Key words: direct current distributed power system (DCDPS), stability criteria, source converter, load converter, minor loop gain, passivity, large disturbance

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