• Title/Summary/Keyword: unity pwoer factor

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Control Characteristics of Three-Phase Utility Interactive Phovotovoltaic Power Generation System (3상 계통연계 태양광발전시스템의 운전특성)

  • Kim, Yeong-Cheol;Jeong, Myeong-Ung;Seo, Gi-Yeong;Lee, Hyeon-U;U, Jun-In
    • The Transactions of the Korean Institute of Electrical Engineers B
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    • v.49 no.8
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    • pp.536-543
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    • 2000
  • The photovoltaic power generation system has a great future as clean energy instead of fossil fuel which has many environmental problems such as exhausted gas or air pollution. In a utility interactive photovoltaic generation system, a three-phase inverter is used for the connection between the photovoltaic array and the utility. This paper present a three phase inverter for photovoltaic power system with current controller, voltage controller, PLL Control system and the Phase detector of Interactive Voltage by using dq transformation. The proposed inverter system provides a sinusoidal ac current for domestic loads and the utility line with unity power factor.

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