Three-phase controllable pulse power supply rectifier topology and rectification method
A pulsed power supply and rectifier technology, applied in the direction of irreversible AC power input conversion to DC power output, DC power input conversion to DC power output, instruments, etc. In high-power scenarios, power quality reduction and other issues, to achieve the effect of improving system reliability, reducing the number of uses, and reducing costs
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[0048] Example:
[0049] A three-phase controllable pulse power rectifier, specifically a high-power, low-ripple, low-cost hybrid rectifier, which includes a parallel multi-pulse uncontrolled rectifier 1 and a two-stage AC-DC converter, the multi-pulse uncontrolled rectifier 1 and the two-stage AC-DC converter. The pulse uncontrolled rectifier is a three-phase bridge rectifier structure composed of diodes or thyristors. The two-stage AC-DC converter can output the same magnitude and direction as the ripple current generated in the multi-pulse uncontrolled rectifier loop. opposite compensation current;
[0050] In this implementation, the multi-pulse uncontrolled rectifier is set as a 6-pulse uncontrolled rectifier as an example for illustration, and the rectifier adopts a diode device. It can be understood that it can also be similarly applied to 12, 18, and 24 pulses. Such as many multi-pulse uncontrolled rectifiers, thyristor components can also be used, and their overall s...
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