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A regulated power supply is an electronic device that can provide a stable AC power supply or DC power supply to the load, that is to say, it can be divided into two categories, DC regulated power supply and AC regulated power supply.
The working mode of DC regulated power supply is mainly divided into three points:
1. The controllable rectifier type adjusts the output voltage by changing the conduction time of the thyristor.
2. Chopping type, the input is an unstable DC voltage, to change the on-off ratio of the switching circuit to obtain a unidirectional pulsating DC, and obtain a stable DC voltage after filtering.
3. Converter type, the unstable DC voltage must first be converted into high-frequency alternating current by the inverter, and then a new DC output voltage will be obtained after the DC stabilized power supply, transformer, rectification and filtering, and fed back to control the operating frequency of the inverter. To achieve the purpose of stable output DC voltage.
