Patent ID: 8405251
Filing Date: 2013-03-26
Classification: H02J,H02P,Y02E

Abstract:
1. A power supply device configured to supply electrical power to a load, comprising: a first electrical generator configured to provide a first output current having a first phase angle; a second electrical generator configured to provide a second output current having a second phase angle independent of the first phase angle; a generator control unit electrically coupled to each of the first electrical generator and the second electrical generator and configured to provide a control signal to each of the first electrical generator and the second electrical generator to individually adjust each of the first phase angle and the second phase angle so that each of the first electrical generator and the second electrical generator operates at different phase angles; and a combination unit configured to combine the first output current and the second output current to a combination current having reduced harmonics compared to the first output current and the second output current.