SVM Strategies for Simultaneous Common-Mode Voltage Reduction and DC Current Balancing in Parallel Current Source Converters

2018 ◽  
Vol 33 (10) ◽  
pp. 8859-8871 ◽  
Author(s):  
Jinwei He ◽  
Qiang Li ◽  
Hao Wang ◽  
Yuan Lyu ◽  
Hongjie Jia ◽  
...  
Keyword(s):  
Current Source ◽  
Common Mode ◽  
Common Mode Voltage ◽  
Dc Current ◽  
Parallel Current

A Hybrid Sequence Modulation Technique for Common-Mode Voltage Reduction in Current Source Converters

2014 ◽  
Vol 945-949 ◽  
pp. 2834-2840
Author(s):  
Jing Bai ◽  
Jian Liu ◽  
Shi Qi Lu
Keyword(s):  
Simulation Experiment ◽  
Current Source ◽  
Theoretical Research ◽  
Optimal Method ◽  
Common Mode ◽  
Modulation Technique ◽  
Common Mode Voltage ◽  
Hybrid Sequence ◽  
Voltage Peak ◽  
Peak Value

In this paper, a minimal common-mode voltage peak value rule is defined due to the problem of common-mode voltage that current source converters (CSCs) usually exist. Base on this rule, two methods of hybrid sequence modulation (HM2/HM3) are proposed which can recompose the arrangement of traditional zero vectors to decrease common-mode voltage and reduce harmonics. The effectiveness of the optimal method (HM3) for CSCs is verified in theoretical research and simulation experiment.

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