Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1995-03-30
1997-07-29
Martin, David S.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
363132, 318801, H02M 112
Patent
active
056527012
ABSTRACT:
An inverter operation command apparatus having increase and decrease keys which, when operated according to predetermined requirements, allows the frequency to be set quickly, requires only the increase/decrease key to be actuated to determine the rotation of direction and run/stop of the inverter, and allows the frequency display to be changed. Actuation of increase and decrease keys in predetermined orders, for predetermined durations and at predetermined times, in accordance with predetermined subroutines, will permit flexible control of the inverter frequency.
REFERENCES:
patent: 5442537 (1995-08-01), Ooji
patent: 5444344 (1995-08-01), Vincent
patent: 5497065 (1996-03-01), Ito
Bedienungsanleitung zu Schnellader Fabrikat Graupner, Type mc-ultra duo plus II, pp. 1-8, Jul. 1994.
Hasegawa Masayasu
Ichikawa Hiroki
Kimura Tomokazu
Oohashi Kenshin
Martin David S.
Mitsubishi Denki & Kabushiki Kaisha
Mitsubishi Electric Engineering Co. Ltd.
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