Warsaw rectifier
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The Warsaw rectifier is a pulse-width modulation (PWM) rectifier invented by Włodzimierz Koczara in 1992.[1][2]
The Warsaw Rectifier provides the following features:
- Unity power factor [3]
- Three-wire input, which does not require a connection to the neutral wire
- Ohmic behaviour
- Controlled output voltage
- Simple control scheme
- Low power losses
Unique features of the Warsaw Rectifier:
- Short circuits do not cause current to flow through switches
- No cross-short circuiting of switches possible
- Dead time is not required