Motor testing apparatus utilizing inertial loading

Details Motor testing apparatus utilizing inertial loading Motor testing apparatus utilizing inertial loading

1992-05-19

1994-03-01

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

318490, G01R 3300

Patent

active

052911284

ABSTRACT:
An improved testing apparatus for an electric motor in which the motor windings are energized in a manner to produce low frequency oscillatory rotation of the motor armature. Under such conditions, motor loading is provided by the rotary inertia of the armature itself, eliminating the need for a separate loading device such as a dynamometer. As with conventional testing practice, the test controller records motor current, voltage and phase shift information to evaluate the electrical characteristics of the motor under test. The test apparatus is readily adapted to test different sizes and types of motors.

REFERENCES:
patent: 4156188 (1979-05-01), Kreissl
patent: 4577151 (1986-03-01), Tanisaka et al.
patent: 4658213 (1987-04-01), Finley
patent: 4741023 (1988-04-01), Lawson
patent: 4851766 (1989-07-01), Shiobara et al.
patent: 4965513 (1990-10-01), Haynes et al.
patent: 4978909 (1990-12-01), Hendrix et al.
patent: 5049815 (1991-09-01), Kliman

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