Method and apparatus for adjustable voltage/adjustable...

Details Method and apparatus for adjustable voltage/adjustable... Method and apparatus for adjustable voltage/adjustable...

2005-10-26

2009-12-01

Tso, Edward (Department: 2858)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C318S599000, C318S801000, C318S808000, C363S164000, C363S165000

Reexamination Certificate

active

07626836

ABSTRACT:
An apparatus and method for controlling an inverter, the apparatus including an adjustable frequency controller receiving a reference frequency value and generating a command frequency value as a function thereof, an adjustable voltage controller receiving a reference voltage value and generating a command voltage value as a function thereof and independent of the command frequency and a modulator receiving the command frequency value and the command voltage value and generating pulse width modulated (PWM) inverter control signals as a function thereof.

REFERENCES:
patent: 4426608 (1984-01-01), Larson et al.
patent: 4634952 (1987-01-01), Yoshino et al.
patent: 4982147 (1991-01-01), Lauw
patent: 5010287 (1991-04-01), Mukai et al.
patent: 5790396 (1998-08-01), Miyazaki et al.
patent: 6469469 (2002-10-01), Chambers et al.
patent: 7468595 (2008-12-01), Lee et al.
patent: 2003/0198065 (2003-10-01), Hayashi et al.
patent: 2006/0113974 (2006-06-01), Kan et al.

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