- 양방향 스위치를 이용한 H-bridge 구조의 새로운 멀티레벨 인버터
- ㆍ 저자명
- 이상혁,강성구,이태원,허민호,박성준,Lee. Sang-Hyeok,Kang. Seong-Gu,Lee. Tae-Won,Hur. Min-Ho,Park. Sung-Jun
- ㆍ 간행물명
- 전력전자학회 논문지
- ㆍ 권/호정보
- 2012년|17권 4호|pp.291-297 (7 pages)
- ㆍ 발행정보
- 전력전자학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
Recently, Switching devices become cheaper, depending on the multi-level inverters are considered as the power-conversion systems for high-power and power-quality demanding applications. The multi-level inverters can reduce the THD(Total Harmonic Distortion) as the output which is similar sinusoidal waveform by synthesizing several capacitor DC voltages. However it has some disadvantages such as increased number of components, complex PWM control method. Therefore, this paper is proposed the new multi-level inverter topology using an new H-bridge output stage with a bidirectional auxiliary switch. The proposed topology is the 4-level 3-phase PWM inverter with less switching part than conventional multi-level inverters and reactive power control possible. In order to understand the new multi-level inverter, topology analysis and switching patterns and modes according to the current loop are described in this paper. The proposed multi-level inverter topology is validated through PSIM simulation and the experimental results are provided from a prototype.