首页 | 本学科首页   官方微博 | 高级检索  
     

模块化多电平HVDC输电系统子模块电容值的选取和计算
引用本文:王姗姗,周孝信,汤广福,贺之渊,滕乐天,刘隽.模块化多电平HVDC输电系统子模块电容值的选取和计算[J].电网技术,2011(1).
作者姓名:王姗姗  周孝信  汤广福  贺之渊  滕乐天  刘隽
作者单位:中国电力科学研究院;上海市电力公司;
基金项目:国家自然科学基金项目(50777058)~~
摘    要:从模块化多电平柔性直流输电系统稳态能量交换过程、有功功率控制动态响应特性、暂态能量交换过程及直流双极短路故障时桥臂保护要求4个方面分析了子模块电容值与直流系统运行特性之间的数学关系。根据理论分析结果,给出了模块化多电平子模块电容的选取原则和计算方法。通常根据稳态子模块电压波动和有功功率控制动态响应特性的要求计算子模块电容值,再根据暂态子模块电压波动和桥臂保护的要求进行校验。利用PSCAD电磁暂态仿真模型对设计实例进行了仿真分析,结果表明该设计方法是合理、可行的。

关 键 词:电压源换流器  高压直流输电  模块化多电平换流器  子模块电容值  参数设计  

Selection and Calculation for Sub-module Capacitance in Modular Multi-level Converter HVDC Power Transmission System
WANG Shanshan,ZHOU Xiaoxin,TANG Guangfu,HE Zhiyuan,TENG Letian,LIU Jun.Selection and Calculation for Sub-module Capacitance in Modular Multi-level Converter HVDC Power Transmission System[J].Power System Technology,2011(1).
Authors:WANG Shanshan  ZHOU Xiaoxin  TANG Guangfu  HE Zhiyuan  TENG Letian  LIU Jun
Affiliation:WANG Shanshan1,ZHOU Xiaoxin1,TANG Guangfu1,HE Zhiyuan1,TENG Letian2,LIU Jun2(1.China Electric Power Research Institute,Haidian District,Beijing 100192,China,2.Shanghai Municipal Electric Power Company,Pudong District,Shanghai 200122,China)
Abstract:The mathematical relation between the value of sub-module capacitance and operational characteristics of HVDC system is analyzed in four aspects,i.e.,the steady-state energy conversion process,dynamic response process of active power control and transient energy conversion process in modular multi-level converter HVDC power transmission system as well as the requirement to bridge arm protection during bipolar short-circuit fault,is researched.Based on the result of theoretical analysis,the principle and cal...
Keywords:voltage source converter  HVDC power transmission  modular multi-level converter(MMC)  sub-module capacitance  parameter design  
本文献已被 CNKI 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号