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Solar Panel Maximum Power Transfer Increases from 63.6% to 90% by using two Sinewave Inverters with 90o phase shift

Soundra Pandian G

This letter shows that the theoretical efficiency at which the solar panel operates at the Maximum Power Transfer Point is only 63.6% with a single pure sine wave inverter (PWM based) and the efficiency can be increased to 90% by using two sine wave inverters with 90 degree phase shift. A 3 phase inverter can further increase the efficiency to 95.54%.