Pulse width modulation method for a power converter

Details Pulse width modulation method for a power converter Pulse width modulation method for a power converter

2003-12-18

2008-10-07

Tran, Khai (Department: 2611)

Pulse or digital communications

Pulse width modulation

C332S109000

Reexamination Certificate

active

07433403

ABSTRACT:
A pulse width modulation method has the steps of operating a second instruction signal so that each of the differences between two or three arbitrary instruction signals in three first instruction signals may become more than the predetermined value, and modulating in pulse width based on the second instruction signal.

REFERENCES:
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patent: 2004/0131114 (2004-07-01), Ishida et al.
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English translation of Japanese Office Action dated Aug. 15, 2006 (Five (5) Pages).
English translation of Japanese Office Action dated Feb. 6, 2007 (Five (5) Pages).
“Derivation of motor line-current waveforms from the DC-link current of an inverter”, T.C. Green et al, IEE Proceedings, vol. 136, Pt. B, No. 4, Jul. 1989.

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