Vienna Rectifier

7 months ago

Profile:hjh

Open source license: Public Domain

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Description

A Vienna Rectifier is a 3 phase power factor corrected fectifier. It uses a 6-pulse rectifier and 6 MOSFETs to rectify and boost the input 3 phase voltage. This is an open loop circuit.

The 3 pairs of switches are operated in an interleaved manner and draw current throughout the cycle of the input voltage, which results in the average current drawn being nearly sinusoidal in nature.

Input current waveforms:

Screenshot 299.png

Screenshot 297.png

Screenshot 300.png

Screenshot 301.png

Screenshot 302.png

Boosted output voltage (boosted from 32.5VAC(pk) to ~75VDC):

Screenshot 303.png

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