대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 1996년도 하계학술대회 논문집 A
- /
- Pages.525-527
- /
- 1996
가변 히스테리시스 전류제어기를 이용한 연계형 태양광 인버터의 제어
Control of Grid-Connected Photovoltaics Inverter Using Variable Hysteresis Band Current Controller
- 최연옥 (조선대학교 전기공학과) ;
- 조금배 (조선대학교 전기공학과) ;
- 백형래 (조선대학교 전기공학과) ;
- 김시경 (공주대학교 전기공학과) ;
- 유권종 (한국에너지기술연구소) ;
- 송진수 (한국에너지기술연구소)
- Choi, Youn-Ok (Chosun University) ;
- Cho, Geum-Bae (Chosun University) ;
- Baek, Hyung-Lae (Chosun University) ;
- Kim, Si-Kyung (Kongju National University) ;
- Yu, Gwon-Jong (Korea Institute of Energy Research) ;
- Song, Jin-Soo (Korea Institute of Energy Research)
- 발행 : 1996.07.22
초록
Hysteresis current control is one of the simplest techniques used to control currents for high speed drive systems, because of its simplicity of implementation, fast current control response, and inherent peak current limiting capability. However the conventional fixed-band hysteresis control has a variable switching frequency throughout the fundamental period, and consequently the load current harmonics spreaded on the wide frequency range. In this paper, a simple, novel alterative approach is proposed for a variable-hysteresis band current controller which uses feedback techniques to achieve constant switching frequency with good dynamic response. The method is easily implemented in hardware, the resultant controller is easily tuned to a particular load, and has good immunity to variation in PV parameter and dc supply voltage.
키워드