Patent ID: 9071161
Filing Date: 2015-06-30
Classification: H02M,Y02B,Y02P

Abstract:
1. A single-stage power factor correction converter comprising of: A full bridge rectifier having input terminals which are coupled to input power lines, two output terminals, a positive output terminal and a negative output terminal; A first capacitor which is coupled to output terminals; A first inductor having a first terminal and a second terminal, the first terminal which is coupled to the positive output of the full bridge rectifier; A first diode having a cathode and an anode which is coupled to the second terminal of the inductor; A second diode having a cathode and an anode which is coupled to the second terminal of the inductor; A forward transformer comprising of a primary winding, a second winding with a center tap; the primary winding of the forward transformer is coupled in series with the primary winding of the main transformer that is in the primary circuit of being one of a half bridge, a full bridge or a LLC power supply unit; the first terminal of the second winding of the forward transformer is coupled to the cathode of the first diode and the second terminal of the second winding is coupled to the cathode of the second diode; A second capacitor having a positive terminal and a negative terminal, wherein said the positive terminal is coupled to the center tap of the second winding of the forward transformer and the negative terminal is coupled to the negative output of the full bridge rectifier.