Motor speed regulator

Details Motor speed regulator Motor speed regulator

1977-10-05

1979-05-08

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318342, 318328, 318346, H02P 506

Patent

active

041538641

ABSTRACT:
An AC feedback circuit is interconnected through a choke coil between the input and output lines of a motor drive circuit so that negative feedback may be effected at a low frequency close to the cutoff frequency of the control system, and positive feedback may be effected at a high frequency. The carrier signal or the high frequency signal for controlling the switching may be generated within the drive circuit. Thus a switching type speed regulator which is simple in construction yet has high efficiency may be provided.

REFERENCES:
patent: 3522503 (1970-08-01), Feulner
patent: 3707660 (1972-12-01), Nijhof et al.
patent: 3914672 (1975-10-01), Kiwaki et al.
patent: 3970909 (1976-07-01), Minakuchi
patent: 4015180 (1977-03-01), Ietsugu et al.
General Electric, SCR Manual, pp. 104-105, 7-2-65.

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