Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1994-05-31
1996-04-23
Shoop, Jr., William M.
Electricity: motive power systems
Induction motor systems
Primary circuit control
318778, 318808, H02P 534
Patent
active
055106889
ABSTRACT:
Driving system and method for an electronically commutated multi-speed motor having a coiled stator and a rotor with at least one permanent magnet and having an electronic circuit that feeds voltage to the coils (1, 2, 3) of the stator according to a relative rotor position as sensed by a sensor mounted to the motor shaft, or by interpreting the voltages induced to the stator coils by the moving rotor. A voltage is supplied to an inverter circuit (10) whose output is applied to motor stator coils (1, 2, 3). The voltage applied to the inverter circuit is varied, making use of a speed switching circuit that can include a voltage multiplier or a voltage divider circuit and the variation of the inverter output voltage varies the motor speed.
REFERENCES:
patent: Re33308 (1990-08-01), Millerd et al.
patent: 3819996 (1974-06-01), Habisohn
patent: 4453118 (1984-06-01), Phillips et al.
patent: 4698562 (1987-10-01), Gale et al.
patent: 5197667 (1993-03-01), Bowsky et al.
patent: 5280228 (1994-01-01), Kanouda et al.
patent: 5296791 (1994-03-01), Hipp
patent: 5345156 (1994-09-01), Moreira
Empresa Brasileira de Compressores S/A-Embraco
Masih Karen
Shoop Jr. William M.
LandOfFree
Driving system and method for electronically commutated multi-sp does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Driving system and method for electronically commutated multi-sp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driving system and method for electronically commutated multi-sp will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2311316