Method for stabilizing AC induction motor having an open loop in

Details Method for stabilizing AC induction motor having an open loop in Method for stabilizing AC induction motor having an open loop in

1998-11-17

1999-11-02

Ro, Bentsu

Electricity: motive power systems

Induction motor systems

Primary circuit control

318807, 318809, 318811, H02P 7628

Patent

active

059777419

ABSTRACT:
A method and apparatus for minimizing motor instability under no load conditions, the method including identifying instability by comparing consecutive current half cycle periods and, where the difference between half cycle periods is sufficiently large, determining that instability exists and modifying controller modulating waveforms by reducing waveform magnitude until stability is achieved. Preferably the apparatus for achieving stability includes only a single current zero crossing sensor to minimize hardware costs.

REFERENCES:
patent: 4310791 (1982-01-01), Akamatsu
patent: 4388578 (1983-06-01), Green et al.
patent: 5483140 (1996-01-01), Hess et al.
patent: 5814967 (1998-09-01), Garces et al.
patent: 5825597 (1998-10-01), Young

Affiliated with

Also associated with

Rating

Method for stabilizing AC induction motor having an open loop 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 Method for stabilizing AC induction motor having an open loop in, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for stabilizing AC induction motor having an open loop in will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2140045