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模块化多电平换流器电容电压均衡策略研究
引用本文:王西彦.模块化多电平换流器电容电压均衡策略研究[J].变流技术与电力牵引,2014(2):1-4,13.
作者姓名:王西彦
作者单位:乌鲁木齐铁路局机务处;
摘    要:为了实现模块化多电平换流器电容电压的均衡,在分析了模块化多电平换流器(MMC)桥臂电流构成成分的基础上,对传统的基于比例积分(PI)的外加均衡控制法进行了改进,利用准比例谐振(PR)控制器构建了具有谐波补偿功能的均衡控制内环,最后进行了控制效果的仿真验证。

关 键 词:模块化多电平换流器  电压均衡  比例积分  比例谐振  谐波补偿

Research of Capacitance Voltage Balance Strategies for MMC
WANG Xi-yan.Research of Capacitance Voltage Balance Strategies for MMC[J].Converter Technology & Electric Traction,2014(2):1-4,13.
Authors:WANG Xi-yan
Institution:WANG Xi-yan (Locomotive Department of Urumchi Railway Bureau, Urumchi, Xinjiang 830000, China)
Abstract:In order to achieve capacitance voltage balance of modular multilevel converter(MMC), it analyzed the components of the leg current, and then the quasi proportional resonance controller (PRC) was adopted to improve the inner loop tracking performance of voltage balance control based on the proportional plus integral(PI). At last, the simulation was carried out to verify this algorithm ability.
Keywords:modular multilevel converter  voltage balance  proportional integral control  proportional resonant control  harmonic compensation
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