Induced nuclear reactions: processes – systems – and elements – With control of reactor – By electronic signal processing circuitry
Patent
1987-04-20
1988-05-31
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
With control of reactor
By electronic signal processing circuitry
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
Gutman Jerzy
Hager Robert E.
Abeles D. C.
Walsh Donald P.
Westinghouse Electric Corp.
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