Coordinated adaptive control strategy of rotational inertia and damping coefficient for virtual synchronous generator

YANG Yun; MEI Fei; ZHANG Chenyu; MIAO Huiyu; CHEN Hongfei; ZHENG Jianyong

doi:10.16081/j.issn.1006-6047.2019.03.020

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Coordinated adaptive control strategy of rotational inertia and damping coefficient for virtual synchronous generator

更新时间：2025-04-25

- Coordinated adaptive control strategy of rotational inertia and damping coefficient for virtual synchronous generator
- Vol. 39, Issue 3, Pages: 125-131(2019)
- 作者机构：
  
  1. 东南大学电气工程学院
  2. 河海大学能源与电气学院
  3. 国网江苏省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.16081/j.issn.1006-6047.2019.03.020
  CLC： TM341
- Published：2019
- 稿件说明：
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[1]杨赟,梅飞,张宸宇,缪惠宇,陈虹妃,郑建勇.虚拟同步发电机转动惯量和阻尼系数协同自适应控制策略[J].电力自动化设备,2019,39(03):125-131.

YANG Yun, MEI Fei, ZHANG Chenyu, et al. Coordinated adaptive control strategy of rotational inertia and damping coefficient for virtual synchronous generator[J]. 2019, 39(3): 125-131.
[1]杨赟,梅飞,张宸宇,缪惠宇,陈虹妃,郑建勇.虚拟同步发电机转动惯量和阻尼系数协同自适应控制策略[J].电力自动化设备,2019,39(03):125-131. DOI： 10.16081/j.issn.1006-6047.2019.03.020.

YANG Yun, MEI Fei, ZHANG Chenyu, et al. Coordinated adaptive control strategy of rotational inertia and damping coefficient for virtual synchronous generator[J]. 2019, 39(3): 125-131. DOI： 10.16081/j.issn.1006-6047.2019.03.020.

摘要

虚拟同步发电机（VSG）控制将同步电机的转动惯量和阻尼系数引入到逆变器的控制中

改善了系统频率响应特性

增强了微电网抗干扰的能力

但是牺牲了一定的动态调节性能。在此基础上

提出了一种VSG转动惯量和阻尼系数协同自适应控制策略。建立VSG的数学模型

分析各参数对系统输出特性的影响;在VSG控制的基础上引入转动惯量和阻尼系数协同自适应控制策略

并给出相应参数变化情况下的稳定性分析;通过MATLAB/Simulink仿真对比定参数VSG控制与转动惯量和阻尼系数协同自适应控制策略的控制效果

验证了所提控制策略的可行性和有效性。

Abstract

The control strategy of VSG（Virtual Synchronous Generator） introduces rotational inertia and damping coefficient that are originally from synchronous generators to the inverter control

which improves the frequency response and enhances the anti-disturbance capability. However

the system dynamic adjustment performance may be negatively impacted. Hence

a coordinated adaptive control strategy of rotational inertia and damping coefficient for VSG is proposed. Firstly

the mathematical model of the VSG is established

and the influence of parameters on the system output characteristics are analyzed. Secondly

the proposed control strategy is applied on the VSG

in which the stability analysis under the change of corresponding parameters is performed. Finally

compared with the traditional VSG control strategy

simulative results on MATLAB/Simulink verify the feasibility and effectiveness of the proposed control strategy.

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