DESIGN ANALYSIS OF LOW-PASS LC PASSIVE FILTER IN SINGLE-PHASE GRID-CONNECTED TRANSFORMERLESS INVERTER

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M. Azri
N.A. Rahim

Abstract

Presented is the design analysis of a single-phase gridconnected photovoltaic-inverter low-pass-output filter. It
minimizes switching-frequency current harmonics,
improving output response. The inverter is H-bridge zero
vector rectifier (HB-ZVR) transformerless topology.
Switching frequencies 8kHz, 14kHz, and 20kHz were
compared for validation of the simulation and the
experiment.

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