Power converters

Details Power converters Power converters

H - Electricity

02

P

H02P 27/06 (2006.01) B63H 21/00 (2006.01) H02M 5/44 (2006.01) H02P 27/08 (2006.01)

Patent

CA 2630939

A power converter includes a first active rectifier/inverter electrically connected to the stator of a motor and a second active rectifier/inverter. The rectifier/inverters include a plurality of semiconductor power switching devices. A dc link is connected between the rectifier/inverters. A filter is connected between the second active rectifier/inverter and a supply network and includes network terminals. A first controller uses a dc link voltage demand signal indicative of a desired dc link voltage to control the semiconductor power switching devices of the first active rectifier/inverter. A second controller uses a power demand signal P* indicative of the level of power to be transferred to the dc link from the supply network (bus) through the second active rectifier/inverter, and a voltage demand signal VBUS* indicative of the voltage to be achieved at the network terminals of the filter to control the semiconductor power switching devices of the second active rectifier/inverter.

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