U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Load peak shaver power regulating system

Patent 4001666 Issued on January 4, 1977. Estimated Expiration Date: Icon_subject January 4, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1476978

1493968

3667012

Inventor

Assignee

Application

No. 564734 filed on 04/03/1975

US Classes:

322/4, WITH FLYWHEELS OR MASSIVE MOVING PARTS310/74, Inertia or fly-wheel device318/161, WITH FLYWHEEL OR MASSIVE ROTARY MEMBER318/731With voltage source connected to motor secondary

Examiners

Primary: Hickey, Robert J.

Attorney, Agent or Firm

International Class

H02K 007/02

Abstract

A power regulating system controlling a flywheel-type load peak shaver is described wherein average power to a cyclic load is continuously subtracted from instantaneous load power to provide a command signal proportional to the required load peak shaver power flow. To this command signal is compared a feedback signal proportional to the power being supplied by the load peak shaver. The difference between the command and feedback signals controls the firing angle of a cycloconverter supplying power to the slip rings of the wound-rotor load peak shaver.

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