Mitigation of Lower Order Harmonics in a Grid-Connected Single-Phase PV Inverter

15 Pages Posted: 6 Mar 2014

See all articles by Viswanathan Subramani

Viswanathan Subramani

Bharath University - School of Electrical Engineering

M. Ramu

Bharath University - School of Electrical Engineering

Date Written: March 6, 2014

Abstract

A simple single-phase grid-connected photovoltaic (PV) inverter topology consisting of a boost section, a low-voltage single-phase inverter with an inductive filter, and a step-up transformer interfacing the grid is considered. Ideally, this topology will not inject any lower order harmonics into the grid due to high-frequency pulse width modulation operation. The no ideal factors in the system such as core saturation-induced distorted magnetizing current of the transformer and the dead time of the inverter, etc., contribute to a significant amount of lower order harmonics in the grid current.

Suggested Citation

Subramani, Viswanathan and Ramu, M., Mitigation of Lower Order Harmonics in a Grid-Connected Single-Phase PV Inverter (March 6, 2014). Available at SSRN: https://ssrn.com/abstract=2405336 or http://dx.doi.org/10.2139/ssrn.2405336

Viswanathan Subramani (Contact Author)

Bharath University - School of Electrical Engineering ( email )

# 173 Agharam Road
Selaiyur
Chennai, Tamil Nadu 600 073
India

M. Ramu

Bharath University - School of Electrical Engineering

# 173 Agharam Road
Selaiyur
Chennai, Tamil Nadu 600 073
India

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