Improved compensation stabilized power supply

The invention discloses an improved compensation stabilized power supply. The output and the commercial power input share a neutral line [NEUTRAL]N. The output is stabilized by compensation. The inputpower factor is corrected by controlling the phase of the load current. The essential differences from the contrast document 'A Compensation Power Supply' [201510051636.3] are as follows: [1] the compensation voltage is superimposed directly on a live wire H of the commercial power input; [2] the input voltage can be directly from the live wire H of the commercial power input; [3] various circuitforms and external lead modes are added for a freewheeling circuit; [4] high-frequency filter circuits are added and connected in parallel to an autotransformer 2 and windings related to high frequency; [5] an inductor Lo' and capacitors C3 and C4 are deleted; and [6] a silicon controlled rectifier replaces a diode for rectification. The improvements greatly improve the cost performance of the improved compensation stabil