Reactor trip control with voltage sensing

Induced nuclear reactions: processes – systems – and elements – With control of reactor – By electronic signal processing circuitry

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Details

364481, 364492, G21C 736

Patent

active

047479949

ABSTRACT:
A control system for a trip coil in a switchgear mechanism which controls the supply of power to a process control device and ensures de-energization of the trip coil shortly after the trip coil is energized. A transformer is supplied with power by the switchgear and outputs reduced power to a rectifier which is connected to the trip coil via a trip activation device. The output of the rectifier can be monitored to determine the ability of the control system to activate the trip coil and the condition of the power supplied to the process control device.

REFERENCES:
patent: 4338647 (1982-07-01), Wilson
patent: 4427620 (1984-01-01), Cook
patent: 4603367 (1986-07-01), Muller

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