Common-Mode Voltage Elimination Technique For an Open-End Winding Induction Motor Using Carrier Based PWM

被引：0
|
作者：
Chandini, G. S. [1 ]
Shiny, G. [1 ]
机构：
[1] Coll Engn Trivandrum, Dept Elect & Commun, Power Elect Res Lab, Trivandrum, Kerala, India
来源：
PROCEEDINGS OF 2017 INTERNATIONAL CONFERENCE ON TECHNOLOGICAL ADVANCEMENTS IN POWER AND ENERGY (TAP ENERGY): EXPLORING ENERGY SOLUTIONS FOR AN INTELLIGENT POWER GRID | 2017年
关键词：
CMV elimination; PWM patterns; OEW configuration;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Common-mode voltage (CMV) generated by pulse width modulated (PWM) inverters is the root cause for the premature bearing failures and electromagnetic interference in motor drives. This CMV can be eliminated by switching zero CMV states only. This paper proposes a carrier based method for the elimination of CMV for a 3-level inverter using open-end winding (OEW) configuration for induction motor. Switching sequences and timing signals for this method are derived from the two virtual PWM patterns. In this scheme only active switching states are used to control inverter. The proposed method is free from neutral point fluctuations and clamping diodes in comparison with CMV elimination methods for conventional 3-level inverter topologies.
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页数：5
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