Device for removing D.C. components from output of multi-phase i

Details Device for removing D.C. components from output of multi-phase i Device for removing D.C. components from output of multi-phase i

1990-04-26

1992-02-25

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 363132, H02M 75395

Patent

active

050918427

ABSTRACT:
A device for removing D.C. components from output voltages of a multi-phase inverter which converts a D.C. voltage into first to N-th phases of A.C. voltages comprises first to (N-1)th detectors connected between the first-phase output line of the multi-phase inverter and the second- to N-th-phase output lines of the multi-phase inverter, respectively. The device also comprises controllers for respectively controlling the second- to N-th-phase output voltages of the inverter in such a manner that the D.C. components detected by the first to (N-1)th detectors are nullified.

REFERENCES:
patent: 3967173 (1976-06-01), Stich
patent: 4443842 (1984-04-01), Jessee
patent: 4597037 (1986-06-01), Okado
patent: 4652770 (1987-03-01), Kumano
patent: 4803611 (1989-02-01), Sashida et al.
patent: 4816985 (1989-03-01), Tanahashi
patent: 4905135 (1990-02-01), Unehara et al.

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