Modular power controller assembly

Details Modular power controller assembly Modular power controller assembly

1986-12-29

1989-07-04

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Miscellaneous systems

361415, 323318, H02J 100, H05K 714

Patent

active

048453803

ABSTRACT:
A modular power controller assembly is described for providing the application of power to resistive loads. The controller assembly comprises an enclosure for mounting controller modules, one or more modular heat-sinks, a plurality of SCR modules arranged in sets with each set on a corresponding heat sink, a timer board for controlling the percentage of time in the on-condition, and a driver board for switching each set of SCR modules. The timer board provides a controlled signal which optocoupled at the driver board with the gate of the corresponding SCR module. The SCR's switching is conducted at the zero cross over level thereby avoiding radio frequency interference.

REFERENCES:
patent: 3958075 (1976-05-01), Kaufman
patent: 4085433 (1978-04-01), Baranowski
patent: 4618817 (1986-10-01), Holtslander

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