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Erschienen in:
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2020 | OriginalPaper | Buchkapitel

A Review on Topologies for Transformer-Less Grid-Connected PV Inverter

verfasst von : Shaik Gouse Basha, M. Venkatesan

Erschienen in: Advances in Electrical and Computer Technologies

Verlag: Springer Singapore

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Abstract

This article represents a review on topologies for transformer-less grid-connected PV inverter. The transformer-less grid-connected PV inverter systems are having many advantages, but it is suffered from leakage current which affects the converter system efficiency. Earlier, many topologies have been presented for the reduction of leakage currents. Leakage currents mainly depend on the common mode (CM) voltage of the topologies. The CM voltage is affected by the parameters of the parasitic capacitor. To remove the leakage currents, the CM voltage must be maintained as constant for the whole operation of the inverter. At present, the topologies like H5, H6, and HERIC are used to remove the leakage current by keeping CM voltage as constant. In this, the SPWM techniques and operating states of H5, H6, and HERIC topologies are analyzed and compared to improve the converter efficiency by reducing the leakage current with CM voltage as constant.

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Vorheriges Kapitel Design and Optimization of Microgrid as EV Charging Source
Nächstes Kapitel An Enhanced Space Vector PWM Technique for Neutral Point Balancing in Three-Level NPC Inverter
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Metadaten
Titel
A Review on Topologies for Transformer-Less Grid-Connected PV Inverter
verfasst von
Shaik Gouse Basha
M. Venkatesan
Copyright-Jahr
2020
Verlag
Springer Singapore
Buch
Advances in Electrical and Computer Technologies

Print ISBN: 978-981-15-5557-2

Electronic ISBN: 978-981-15-5558-9

Copyright-Jahr: 2020

DOI
https://doi.org/10.1007/978-981-15-5558-9_98