• Title/Summary/Keyword: Frequency drift

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Characteristics Analysis of RPV and AFD for Anti-Islanding in Active Method (단독운전방지를 위한 능동 방식 중 AFD 및 RPV에 대한 특성해석)

  • Choe, Gyu-Ha;D, Bayasgalan;Lee, Young-Jin;Han, Dong-Ha;Jeong, Byong-Hwan;Kim, Hong-Sung
    • The Transactions of the Korean Institute of Power Electronics
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    • v.14 no.2
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    • pp.160-167
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    • 2009
  • To detect islanding mode when the grid is being tripped is a major safety issue in the Utility Interactive Photo Voltaic (UIPV) system. In this paper, analytical design method is suggested for AFD & RPV method under IEEE 929-2000 recommended islanding test condition. We have discussed that there is a same point. we injected reactive component of the current by AFD & RPV methods, but the current reference generated is other waveform. Possible if amount of reactive components in this methods are same each method, there is happened same rates frequency variation. To verify the validity of the analytical comparison, this paper presents simulation and experimental results from single phase, 3[kW] inverter for the transformerless UIPV system.