Semi-directional regulating circuit
A regulating circuit, semi-directional technology, applied in the conversion equipment with intermediate conversion to AC, irreversible AC power input conversion to DC power output, etc., can solve the problem that the accuracy of output voltage regulation exceeds the standard, cannot be compensated on demand, output To avoid problems such as limited circuit compensation, to achieve the effects of improved reliability, favorable power supply efficiency, and large voltage regulation amplitude
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[0022] refer to figure 2 The first embodiment of the present invention is shown. This embodiment is to adjust a four-way output flyback multi-way power supply. The signal source has an auxiliary circuit whose output voltage is higher than its rated value.
[0023] Such as figure 2 As shown, the voltage of the output auxiliary circuit Vo2 is relatively high, and the voltage of the output auxiliary circuits Vo3 and Vo4 is relatively low. Now we add one or two winding transformers before rectification and filtering between Vo2 and the output main circuit Vo1 with main feedback, and the two windings are respectively connected in series. In the two output circuits, the currents of the two windings flow in from the terminals with the same name of the transformer. The winding of transformer L1 connected in series with Vo1 is assumed to be L1a, the number of turns is Na, the voltage on L1a is VL1a; the winding of transformer L1 connected in series with Vo2 is assumed to be L1b, the...
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