Power loss analysis for single phase grid-connected PV inverters

6533b851fe1ef96bd12aa199

RESEARCH PRODUCT

Power loss analysis for single phase grid-connected PV inverters

Lars Norum Ole-morten Midtgard Chee Lim Nge Tor Oskar Saetre

subject

Inductance Engineering business.industry Spice Ripple Electrical engineering Inverter Inductor business Maximum power point tracking Voltage Power (physics)

description

This paper presents a method for power loss analysis applied on single-phase grid-connected PV inverter. The often neglected current ripple effects are included in power device switching and conduction losses. The relationships amongst component losses, output inductance, switching frequency and dc-link voltage are investigated. It is shown that current ripple effect is important to power loss analysis due to varying irradiation. The closed form solutions of component losses are proposed and verified with SPICE simulation results.

year	journal	country	edition	language
2009-10-01	INTELEC 2009 - 31st International Telecommunications Energy Conference

https://doi.org/10.1109/intlec.2009.5352038

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