H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/103
H02P 25/26 (2006.01)
Patent
CA 1283698
WOUND ROTOR MOTOR CONTROL Abstract of the Disclosure A control for a wound rotor induction motor including shorting switches in a secondary resistance network comprises an input comparator with voltage limiting switched by the rotor voltage, a pulse generator responsive to the input comparator to generate voltage pulses of predetermined constant duration at a frequency proportional to the frequency of the rectangular voltage wave, a low pass filter effective to filter the output of the pulse generator to a DC voltage inversely related to rotor speed, a DC power supply effective to generate a plurality of DC reference voltages, a plurality of switch control comparators, each receiving the output of the low pass filter on one input and one of the DC reference voltages on the other input and a plurality of switch actuators, each switch actuator being responsive to the output of one of the switch control comparators to activate a group of shorting switches at a predetermined rotor speed during motor acceleration and deceleration. An attenuated signal at the line frequency is substituted, when there is no stator voltage, at the input comparator inputs in the absence of rotor voltage.
539289
General Motors Of Canada Limited
Gowling Lafleur Henderson Llp
LandOfFree
Wound rotor motor control does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wound rotor motor control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wound rotor motor control will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1196227