轻型高压直流输电动态建模与性能分析  

Dynamic Modeling and Performance Analysis of VSC-HVDC

作　　者：梅柏杉[1] 杨林涛[1] 张磊[1] 王晗[1] 胡文齐[1] 

机构地区：[1]上海电力学院电力与自动化工程学院,上海200090

出　　处：《华东电力》2011年第3期348-352,共5页East China Electric Power

基　　金：上海市教育委员会重点学科建设项目资助(J51301);上海市教委自然科学基金(07ZZ146)~~

摘　　要：轻型直流输电VSC-HVDC系统由于采用了全控型整流器件及PWM技术,解决了传统高压直流输电换相困难、两端必须采用有源电源的缺点。介绍了通过采用适当的PWM控制策略,实现了有功、无功的独立控制,并且交流电压、直流电压都可以得到较好的控制,动态仿真表明VSC-HVDC能够很好的应对外部故障。The adoption of the fully controlled semiconductor devices and application PWM technology in VSC-HVDC system have helped solve the problems in traditional HVDC-the difficulty in commutation and the extra demand for active power supply for both ends.Appropriate PWM modes have been used to achieve the independent control of active and reactive power,and make both AC and DC voltage under smooth control.The dynamic simulation verifies that VSC-HVDC can effectively cope with external faults.

关 键 词：变换器 控制器 动态建模 

分 类 号：TM72[电气工程—电力系统及自动化]