Simulation of Implementing SSSC Function Converting from Grid Paralleling Device Based on Power Through Transmission

LIU Jiajun; YANG Song; TAN Yalan

doi:10.14044/j.1674-1757.pcrpc.2020.02.019

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Simulation of Implementing SSSC Function Converting from Grid Paralleling Device Based on Power Through Transmission

更新时间：2024-09-14

- Simulation of Implementing SSSC Function Converting from Grid Paralleling Device Based on Power Through Transmission
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 2, Pages: 103-109(2020)
- 作者机构：
  
  西安理工大学水利水电学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.02.019
  CLC： TM761.12
- Published：2020，
- 稿件说明：
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[1]刘家军,杨松,谭雅岚.基于功率传递的同期并列装置实现SSSC功能的仿真[J].电力电容器与无功补偿,2020,41(02):103-109.

LIU JIAJUN, YANG SONG, TAN YALAN. Simulation of Implementing SSSC Function Converting from Grid Paralleling Device Based on Power Through Transmission. [J]. Power capacitor & reactive power compensation, 2020, 41(2): 103-109.
[1]刘家军,杨松,谭雅岚.基于功率传递的同期并列装置实现SSSC功能的仿真[J].电力电容器与无功补偿,2020,41(02):103-109. DOI： 10.14044/j.1674-1757.pcrpc.2020.02.019.

LIU JIAJUN, YANG SONG, TAN YALAN. Simulation of Implementing SSSC Function Converting from Grid Paralleling Device Based on Power Through Transmission. [J]. Power capacitor & reactive power compensation, 2020, 41(2): 103-109. DOI： 10.14044/j.1674-1757.pcrpc.2020.02.019.

摘要

本文针对基于功率传递的电网间同期并列装置转换为静止同步串联补偿器的复合系统

建立了并网装置转换为SSSC后的等效模型

根据SSSC既可进行容性补偿又可进行感性补偿的双重补偿的特点

分析了SSSC调节潮流的过程以及接入SSSC前后输电线路电流的变化情况。为减小短路故障情况下短路电流对系统的影响

本文利用SSSC可等效为感性阻抗的特点对不同短路故障电流进行了限制

从而提高了现有设备的综合利用率。在PSCAD/EMTDC中搭建了含SSSC的等效模型

仿真结果表明SSSC可有效调节线路输送的潮流

并验证了当系统发生短路故障时SSSC具有一定的限流功能。

Abstract

In this paper

in view of the composite system which is converted from grid paralleling device into static synchronous series compensator（SSSC） on the basis of power transmission

the equivalent model after the transmission from the paralleling device into SSSC is set up.According to the dual compensation characteristic that SSSC can perform both capacitiveand inductive compensation

the process of regulating power flow by SSSC and the change of transmission line current before and after SSSC connected to the system are analyzed.In order to reduce the impact of short-circuit current on the system in the case of short-circuit fault

in this paper

the different short circuit fault current is limited with the feature that SSSC can be equivalently inductive impedance

thus improving the comprehensive utilization rate of the existing equipment.The equivalent model including SSSC is built in PSCAD/EMTDC.The simulation result show that SSSC can effectively adjust the power flow of line transmission and verify that SSSC has a definite current limiting function when the system has a short circuit fault.

关键词

静止同步串联补偿器（SSSC）控制策略潮流调节限制短路电流

Keywords

static synchronous series compensator（SSSC）control strategypower flow regulationlimiting short-circuit current

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