Current balancing for multi-phase converters

Details Current balancing for multi-phase converters Current balancing for multi-phase converters

2011-03-08

2011-03-08

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

Reexamination Certificate

active

07903433

ABSTRACT:
A converter for a multi-phase current network can include a plurality of current sensors, each of the plurality of current sensors being configured to detect current for a respective phase of the multi-phase network. A current averaging circuit is configured to provide an indication of the average current for the multi-phase network based on the current detected by each of the plurality of current sensors. A modulator is configured to modulate at least one phase of the multi-phase network independently of each other phase of the multi-phase network based on a difference between the current detected for the at least one phase and the average current for the multi-phase network.

REFERENCES:
patent: 6246222 (2001-06-01), Nilles et al.
patent: 6977489 (2005-12-01), Isham
patent: 7268527 (2007-09-01), Horner
patent: 7339361 (2008-03-01), Dong et al.
patent: 2007/0273342 (2007-11-01), Kataoka et al.
patent: 2009/0167080 (2009-07-01), Carpenter et al.

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