The Common-Mode Voltage Reduction Method for Two-Stage Power Conversion System

被引：0
|
作者：
Kim, Hyeong-Jin [1 ]
Son, Yung-Deug [2 ]
Kang, Jae-Beom [1 ,3 ]
Lee, Ji-Young [1 ,3 ]
Kim, Jang-Mok [4 ]
机构：
[1] Korea Electrotechnol Res Inst, Air Mobil Elect Motor & Drive Res Team, Chang Won, South Korea
[2] Korea Univ Technol & Educ, Dept Mech Facil Control Engn, Cheonan, South Korea
[3] Univ Sci & Technol, Energy & Power Convers Engn Dept, Daejeon, South Korea
[4] Pusan Natl Univ, Dept Elect & Elect Engn, Busan, South Korea
来源：
2023 IEEE VEHICLE POWER AND PROPULSION CONFERENCE, VPPC | 2023年
关键词：
CM voltage; two-stage power conversion system; 3-level NPC converter; 3-level DC-DC converter; VEHICLES;
D O I：
10.1109/VPPC60535.2023.10403369
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a method to reduce a common-mode(CM) voltage that causes an electro-magnetic interference(EMI) noise in a two-stage power conversion system consisting of a 3-phase 3-level neutral- point clamped(NPC) converter and a 3-parallel 3-level DC-DC converter. the CM voltage of the system is defined as the difference between the CM voltage generated by each converter. The proposed switching sequence controls the DC-DC converter to output the CM voltage that matches the CM voltage of the NPC converter controlled by a large-medium- zero(LMZ) PWM. The proposed method is verified by experiments through the two-stage power conversion system.
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页数：5
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