DC Bus Current Harmonics of a Three-phase PWM Inverter with the Zero Sequence Injection

被引：0
|
作者：
Haghbin, Saeid [1 ]
Thiringer, Torbjorn [1 ]
机构：
[1] Chalmers Univ Technol, Div Elect Power Engn, Gothenburg, Sweden
来源：
2014 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) | 2014年
关键词：
CONVERTERS;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Power electronic converters connected to a dc bus are sources of undesirable harmonics towards the dc side due to an inherent high-frequency switching used for the power processing. Three-phase inverters are widely used in many applications like motor drives and active rectifiers. With a SPWM control the dc bus voltage is not fully utilized, so a zero sequence injection method is commonly used to increase the maximum fundamental voltage output. The inverter dc side current harmonics are investigated for a three-phase SPWM inverter with and without zero sequence injection. The results show that the injection of the third harmonic and Min/Max zero sequence will not increase the dc side harmonics. The RMS value of the inverter dc side current is increased less than 1% when the zero sequence is injected.
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页数：6
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