Circuit arrangement for controlling electric drive units

Details Circuit arrangement for controlling electric drive units Circuit arrangement for controlling electric drive units

H - Electricity

02

M

318/120, 321/23

H02M 5/458 (2006.01) H02M 7/5387 (2006.01)

Patent

CA 1185320

ABSTRACT A circuit for controlling the speed of electric drives, whose output produces alternating current at a voltage and frequency appropriate to the particular drive for best efficiency, comprises an inverter driven from a variable d.c. supply (typically derived from the A.C. mains power). A desired input value, which may be a voltage or a frequency signal, controls a store containing the control values for the d.c. supply, which are output in accordance with the value of the input signal, to control the voltage output of the inverter. The desired input value signal also controls a further store whose read out speed is dependent upon the input value signal, and which thus determines the frequency of output of the inverter. Selection means allow only certain of the stored values to be used as appropriate to the drive which the inverter is to feed. The store for the d.c. supply feeds a digital to analogue circuit so that analogue control signals are fed to the d.c. supply.

392543

Affiliated with

Also associated with

Rating

Circuit arrangement for controlling electric drive units does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Circuit arrangement for controlling electric drive units, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit arrangement for controlling electric drive units will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1276440