Aeg Westinghouse Transportation Systems

William E Schmitz

William R Segar

Fred S Marton

An arrangement for mounting high voltage electrical devices. A generally planar member made of electrically insulating material is provided with a uniform grid of recesses. Mounting plugs are selectively insertable into desired ones of the recesses of the member. Each mounting plug includes an insulating body which is configured to be removably fixed in a desired one of the recesses of the member. A conductive pin extends through the insulating body and presents a mounting terminal on each side of the member when the plug is inserted into one of the recesses. Each mounting terminal on at least one side of the member is configured for affixing thereto both an electrical lead and a mounting device for an electrical component to be attached to the member.

Mounting system for electrical devices

Method and apparatus for monitoring the temperature of a resistor in a resistive current controller. The heating and cooling rates for the resistor are determined and a predicted temperature of the resistor is automatically calculated at the beginning each time interval of consecutive time intervals by subtracting from the previous temperature prediction for the resistor the product of the cooling rate of the resistor and the time interval and adding the product of the heating rate of the resistor and the time interval. An actuating signal is produced when the predicted temperature of the resistor for a given time interval corresponds to a threshold temperature.

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Wilkingsburg, PA, United States of America

William E Schmitz