Weight Minimization of LCL Filters for High-Power Converters: Impact of PWM Method on Power Loss and Power Density

被引:49
|
作者
Park, Ki-Bum [1 ]
Kieferndorf, Frederick D. [1 ]
Drofenik, Uwe [1 ]
Pettersson, Sami [1 ]
Canales, Francisco [1 ]
机构
[1] ABB Corp Res Ctr, CH-5405 Baden, Switzerland
关键词
LCL filter; pulse-width modulation (PWM); three-phase inductor; voltage-source converter; AC RESISTANCE; DESIGN; WINDINGS;
D O I
10.1109/TIA.2017.2657479
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For high-power grid-connected voltage source converters (VSC), weight reduction of the LCL filter is one of the main concerns, where a LCL filter can weigh hundreds of kilograms. It is a multidomain optimization issue to find the minimum weight of a LCL filter considering pulse-width modulation (PWM) method, control bandwidth, filter design, and magnetic components with given constraints, such as harmonic standards, semiconductor power losses, and cooling conditions. The comprehensive design procedure and analytical limits of a LCL filter for a 690-V/1.2-MW VSC is provided. In addition, a prototype system of 400 V/40 kW has been built to verify the design methodology and to investigate the impact of different PWM methods on the LCL filter.
引用
收藏
页码:2282 / 2296
页数:15
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