Eddy current braking equipment

Details Eddy current braking equipment Eddy current braking equipment

1993-12-09

1996-01-09

Butler, Douglas C.

Brakes

Operators

Electric

188158, 310105, H02P 1500, B60L 728

Patent

active

054821460

ABSTRACT:
The equipment comprises control device that establish a power feed setting for selectively exciting the stator windings as a function of the position of a control lever while also taking the temperature of the rotor armature into account. This temperature is evaluated in real time by a processor included in the control device. At each evaluation instant, the computation variables comprise the speed of rotation of the rotor, the power feed setting, the temperature of the armature as obtained for the preceding evaluation instant, and optionally the temperature of the stator. The invention can be used to make better use of the electrical power delivered to the stator while avoiding the need to measure armature temperature directly.

REFERENCES:
patent: 4509623 (1985-04-01), Marandet
patent: 5154623 (1992-10-01), Kuwahara
Patent Abstract of Japan--vol. 14, N.degree. 099 (E-893) 22 fevrier 1990 & JP-A-13 03 100 (Toshiba Corp) 6 decembre 1989.
--abrege--.

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