李梅航;刘喜梅;陈朋;

• 1:青岛科技大学自动化与电子工程学院
• 2:许继电气股份有限公司

摘要(Abstract)：

为解决传统电压裕度控制器中定有功功率控制模式与定直流电压控制模式切换过慢导致的直流电压控制缓慢问题,提出了一种快速电压裕度控制策略。通过设置与直流电压偏差相关的权衡系数来调节裕度控制器的控制模式,其控制模式的切换环节在PI控制器之前,因此在系统直流电压偏差较大时,这种方法加快了控制器的响应速度和调节速度,更加适合于对直流电压要求较高的多端柔性直流输电系统。最后在MATLAB/SIMULINK下搭建了基于模块化多电平换流器的3端柔性直流输电系统进行仿真验证,结果表明:相比于传统的电压裕度控制,该控制策略能够更快速有效地稳定系统的直流电压。

关键词(KeyWords)： 多端柔性直流输电;电压裕度控制;快速电压裕度控制;电压源换流器;模块化多电平换流器

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(61401244)~~

作者(Author): 李梅航;刘喜梅;陈朋;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.10.017

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