Power converter and power unit

Details Power converter and power unit Power converter and power unit

2005-11-08

2005-11-08

May, Shawn Riley (Department: 2838)

Electrical transmission or interconnection systems

Miscellaneous systems

For particular load device

C136S205000

Reexamination Certificate

active

06963147

ABSTRACT:
Control means is provided, in which the whole of the phase difference of a power waveform of each phase is matched to a value dividing a cycle of the power waveform into n-equal portions, and at the same time, the whole of the power value of each phase is controlled to be identical, so that the power conversion unit having a n-alternating current output (n is an integer numeral serving as n≧2) connected to the direct current power source and smoothing means provided between the direct current power source and the power conversion unit are made small in capacity.

REFERENCES:
patent: 5548504 (1996-08-01), Takehara
patent: 5892354 (1999-04-01), Nagao et al.
patent: 6605881 (2003-08-01), Takehara et al.
patent: 6768047 (2004-07-01), Chang et al.
patent: 2001/0048605 (2001-12-01), Kurokami et al.
patent: 2002/0044473 (2002-04-01), Toyomura et al.
patent: 2002/0105765 (2002-08-01), Kondo et al.
patent: 2003/0218888 (2003-11-01), Suzui et al.
patent: 2004/0027112 (2004-02-01), Kondo et al.
patent: 2004/0117676 (2004-06-01), Kobayashi et al.

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