신재생에너지 (New & Renewable Energy)
- 제1권2호
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- Pages.11-18
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- 2005
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- 1738-3935(pISSN)
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- 2713-9999(eISSN)
고주파 절연 모듈형 Photovoltaic PCS
Modular Photovoltaic PCS with High-frequency Isolation
- 발행 : 2005.06.01
초록
A modular photovoltaic PCS with high-frequency isolation is proposed. The proposed system consists of a SEPIC converter and a full-bridge inverter Using the power slope versus voltage of the PV array, the MPPT controller is proposed that produces a smooth transition to the maximum power point. The dc current of the PV array is estimated without using a dc current sensor The disturbance of the line voltage is detected using a fast sensing technique. Experimental results obtained on a 500W prototype show high performance such as almost unity power factor,