Motor load test apparatus

Details Motor load test apparatus Motor load test apparatus

1980-03-05

1982-06-22

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 322

Patent

active

043356192

ABSTRACT:
This invention provides a unique system for measuring torque and speed characteristics of motors. This invention employs the principle of driving an induction generator beyond its synchronous speed until it generates power fed back into the power supply. Thus, a test motor can be loaded to its full load potential and only the losses of the test motor, generator, and other components are supplied by the power distribution system. Consequently, a substantial savings in cost are obtained compared to other conventional motor testing apparatus.

REFERENCES:
patent: 2389572 (1945-11-01), Winther
patent: 2440076 (1948-04-01), Cassidy
patent: 3595073 (1971-07-01), Morris
patent: 3898875 (1975-08-01), Knoop et al.

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