Adaptive EPLL for improving power quality in three-phase three-wire grid-connected photovoltaic system
IET Renewable Power Generation（2019）
摘要
A phase-locked loop (PLL) plays an integral part in synchronisation circuits and is immensely used in grid-connected systems, active filters, and uninterrupted power supplies. A number of these circuits based on synchronous reference frame and its modifications, second-order generalised integrator, enhanced PLL (EPLL) have recently been reported in literature. This article proposes an adaptive ver...
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关键词
active filters,phase locked loops,photovoltaic power systems,power filters,power grids,power harmonic filters,power supply quality,power system control,synchronisation,uninterruptible power supplies
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