Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 14, 2017
Patent Application Number
14590684
Date Filed
January 6, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods relating to zero voltage switching for inverters. A full bridge inverter is used in conjunction with a passive auxiliary circuit and an output filter. A control system controls the current by way of the auxiliary circuit and injects a high quality current to a power grid. The control system adjusts the duty ratio and switching frequency of the gate pulses applied to the power semiconductors in the full-bridge inverter. As well, the control system adjusts the phase shift between gate pulses for both the leading leg and lagging leg power semiconductors to control the current passing through the auxiliary circuit.
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