|Table of Contents|

A Novel DC Voltage Control for VSC Based HVDC System

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

Issue:
2013年04期
Page:
19-
Research Field:
Publishing date:

Info

Title:
A Novel DC Voltage Control for VSC Based HVDC System
Author(s):
Zhu Xuping1; Chen Hairong2
(1.Nanjing Institute of Industry Technology,Nanjing 210023,China) (2.Jinhua Polytechnic,Jinhua 321017,China)
Keywords:
voltage source converter; HVDC; feedback linear control; DC voltage droop control
PACS:
TM131
DOI:
-
Abstract:
DC voltage stability is one of the key issues for reliable operation of voltage source converter based HVDC system.In order to ensure that the voltage source converter based HVDC still can effectively control the DC voltage under one side's voltage source converter being fault condition,the performance of the VSC under deference control mode is analyzed,and then the DC voltage droop control strategy is proposed for VSC based HVDC system in this paper.This approach can realize automatic switching between active power and DC voltage control models,so that control of DC voltage can still be realized after fault and dropping of the converter which is in DC voltage control model.Simulation results show that reliability of the VSC based HVDC system is improved with the proposed control strategy and satisfying dynamic characteristics can be obtained.

References:

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Last Update: 2013-12-30