No bridge type power factor corrector with logical control
A technology of power factor correction and logic control, applied in the direction of output power conversion device, sustainable manufacturing/processing, high-efficiency power electronic conversion, etc., can solve problems such as diode conduction loss
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[0020] image 3 A block diagram showing a bridgeless power factor corrector with logic control according to the present invention, which includes a first input voltage terminal V i1 , a second input voltage terminal V i2 , a first connecting terminal V 1 , a second connection terminal V 2 , an output voltage terminal V o , a reference voltage terminal V ref , a boost inductor L21 , a filter capacitor C 21 , a first boost diode D 21 , a second boost diode D 22 , a first boost transistor assembly 33, a second boost transistor assembly 34, a high frequency switch controller 22, a first low frequency switch driver 303, a second low frequency switch driver 304, a first line voltage polarity The detector 301 and a second line voltage polarity detector 302 .
[0021] V i1 with V i2 Connect to an AC input voltage source; L 21 can be lumped / distributed over V i1 with V 1 Sometimes or / and V i2 with V 2 Room; C 21 placed in V o with V ref Between; D 21 with D 22 The a...
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