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보상전압 첨가를 통한 B4 인버터 성능향상Performance Improvement of B4 Inverters by Adding Compensation Voltage
- Other Titles
- Performance Improvement of B4 Inverters by Adding Compensation Voltage
- Authors
- 이동명
- Issue Date
- 2013
- Publisher
- 전력전자학회
- Keywords
- B4 inverters; voltage ripple; split dc-link capacitor; ripple compensation
- Citation
- 전력전자학회 논문지, v.18, no.1, pp.110 - 116
- Journal Title
- 전력전자학회 논문지
- Volume
- 18
- Number
- 1
- Start Page
- 110
- End Page
- 116
- ISSN
- 1229-2214
- Abstract
- This paper proposes a current ripple reduction method to improve the control performance of B4 type inverter that is studied for cost-effective drive systems. B4 inverters employ only four switches and they have a center-tapped connection between the split dc-link capacitors and one phase of a three-phase motor or load. In the B4 topology, unbalanced three-phase voltages will be generated due to the dc-link voltage ripple. To solve this problem, this paper presents a voltage distortion compensation method that adjusts the voltage reference with the consideration of dc-link voltage ripple. The validity of the proposed method is verified by simulation and excremental results with an induction machine.
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Related Researcher
- Lee, Dong Myung
- Engineering (Electronic & Electrical Engineering)