Traditional Culture Encyclopedia - Traditional culture - What is the difference between the composition and principle of uncontrollable and controllable rectifier circuits?
What is the difference between the composition and principle of uncontrollable and controllable rectifier circuits?
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1) uncontrollable rectifier circuits are composed entirely of uncontrollable diodes, and the ratio of the DC rectifier voltage to the AC supply voltage is fixed after a certain circuit structure.
2) semi-controlled rectifier circuit consists of a mixture of controllable elements and diodes, in this circuit, the load power supply polarity can not be changed, but the average value can be adjusted.
3) In the fully controlled rectifier circuit, all the rectifier components are controllable (SCR, GTR, GTO, etc.), and the average value and polarity of the output DC voltage can be adjusted by controlling the on-state of the components, in which the power can be transmitted from the power supply to the load, and also can be fed back to the power supply from the load, which is known as the active inverter.
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