System for controlling variable frequency driver for AC motor in

Details System for controlling variable frequency driver for AC motor in System for controlling variable frequency driver for AC motor in

1993-09-01

1995-08-22

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

318807, H02P 540

Patent

active

054443440

ABSTRACT:
In an embodiment, the invention provides a motor control system comprising an adjustable frequency driver coupled between the motor and a power supply, a programmable controller coupled to the driver and operative to control the driver, a set of control signals coupled to the programmable controller, and a set of selectable speed signals coupled to the programmable controller, the programmable controller being programmed to select one of the speed signals and causing same to be transmitted to the driver for controlling the speed of the motor in accordance with the control signals.

REFERENCES:
patent: 3777234 (1973-12-01), Luger
patent: 4063139 (1977-12-01), Miller
patent: 4485337 (1984-11-01), Sandosky
patent: 4491778 (1985-01-01), Knox et al.
patent: 4712054 (1987-12-01), Boldt
patent: 4779183 (1988-10-01), Mutoh et al.
patent: 4953053 (1990-08-01), Pratt
patent: 4965847 (1990-10-01), Jurkowski et al.
patent: 5027049 (1991-06-01), Pratt et al.
patent: 5077508 (1991-12-01), Wycoff et al.
patent: 5187420 (1993-02-01), Kajitani et al.
patent: 5220266 (1993-06-01), Kobayashi
patent: 5251681 (1993-10-01), Davenport
patent: 5267631 (1993-11-01), Hayashida et al.
patent: 5282586 (1994-02-01), Suzuki et al.
patent: 5331539 (1994-07-01), Pfeifer et al.
Soviet Inventions Illustrated, R section, week A47, issued 1979, Jan. 10, Derwent Publications; & SU-A-587 589 (abstract).

Affiliated with

Also associated with

Rating

System for controlling variable frequency driver for AC motor in does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for controlling variable frequency driver for AC motor in, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for controlling variable frequency driver for AC motor in will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2144148