Simulation Model and Disturbed Characteristics of Grid-forming STATCOM/BESS

LYU Sizhuo; ZHENG Chao; YANG Haichao; ZHANG Xingbin; SONG Ruihua

doi:10.14044/j.1674-1757.pcrpc.2024.03.004

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Simulation Model and Disturbed Characteristics of Grid-forming STATCOM/BESS

Reactive Power Compensation and Filter | 更新时间：2024-09-14

- Simulation Model and Disturbed Characteristics of Grid-forming STATCOM/BESS
- Power Capacitor & Reactive Power Compensation Vol. 45, Issue 3, Pages: 28-35(2024)
- 作者机构：
  
  1.中国电力科学研究院有限公司，北京　 100192
  2.中国大唐集团科学技术研究院有限公司火力发电技术研究院，北京　 100040
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2024.03.004
  CLC：
- Published：2024-06，
  
  Received：04 July 2023，
- 稿件说明：
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LYU SIZHUO, ZHENG CHAO, YANG HAICHAO, et al. Simulation Model and Disturbed Characteristics of Grid-forming STATCOM/BESS. [J]. Power capacitor & reactive power compensation, 2024, 45(3): 28-35.
DOI：

LYU SIZHUO, ZHENG CHAO, YANG HAICHAO, et al. Simulation Model and Disturbed Characteristics of Grid-forming STATCOM/BESS. [J]. Power capacitor & reactive power compensation, 2024, 45(3): 28-35. DOI： 10.14044/j.1674-1757.pcrpc.2024.03.004.

摘要

带蓄电池的静止同步补偿器（STATCOM/BESS）作为一种新型电力电子装备既可以参与系统频率调节，又可以提供动态无功电压支撑。首先介绍了构网型STATCOM/BESS（GFM-S/B）的电路结构和工作原理，设计了基于虚拟同步控制的稳态控制策略和短路故障下的暂态控制策略，当发生故障时，将设备切换为限电流模式，可以在保证设备安全的前提下尽可能向系统提供无功支撑。在PSCAD/EMTDC环境下，建立了GFM-S/B并网系统仿真模型，并对系统的受扰特性进行分析，仿真结果表明GFM-S/B可以在电网电压波动时起到无功补偿的作用，增强对电网的弹性支撑能力。

Abstract

As a new type of power electronic equipment

static synchronous compensator with battery energy storage system（STATCOM/BESS）can not only participate in system frequency regulation

but also provide dynamic reactive power voltage support. Firstly

the circuit structure and working principle of the grid-forming STATCOM/BESS（GFM-S/B）are introduced. The transient control strategy based on virtual synchronous control and transient control strategy under short circuit fault are designed. In case of fault

the equipment can be switched to a current limiting mode to provide reactive power support for the system as much as possible on the premise of ensuring safety of the equipment. The GFM-S/B connection system is set up and disturbed characteristics of the system are analyzed under PSCAD/EMTDC platform. The simulation results show that GFM-S/B can play a role in reactive power compensation in the case of voltage fluctuation and can enhance the elastic support ability of power grid.

关键词

构网型控制静止同步补偿器虚拟同步控制控制策略受扰特性电压支撑

Keywords

grid-forming controlSTATCOMvirtual synchronization controlcontrol strategydisturbed characteristicsvoltage support

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