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Study on Control System About STATCOM Based on Simulink(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年04期
Page:
6-11
Research Field:
Publishing date:

Info

Title:
Study on Control System About STATCOM Based on Simulink
Author(s):
Xiao Kun1; Zhao Caihong1; Xiao Lu2; Zhang Mai1; Zheng Shu1
1.School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
Keywords:
reactive power compensation; current indirect control; instantaneous reactive power theory; MATLAB simulation;  static synchronous compensator
PACS:
TM761
DOI:
-
Abstract:
In the present thesis，special attention is firstly paid to basic structure and working principles of STATCOM operation，introducing the detected method of reference current，using composite voltage vector of virtual symmetric three-phase system to form rotating coordinate system． The id － iq test method was improved based on the Instantaneous reactive power theory，and the control strategy of STATCOM system is current indirect control． It adopts double loop control． Outer loop control is capacitance of DC voltage cotrol． Inner loop control is current control． The thesis creates the simulation model of STATCOM using MATLAB/Simulink simulation tool． It simulates the situations in constant inductive load，inductive load changes，the constant capacitive load and the load changing from the inductive to capacitive． Simulation results show that the control system of STATCOM has good compensative effect in constant load，and has excellent transient stability in changing load and sudden adding or sudden rejecting load． Control method described in this article demonstrates the correctness and The simulation results prove the correctness and effectiveness of the control strategy．

References:

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Last Update: 2013-03-21