Reactor circulating pump system

Details Reactor circulating pump system Reactor circulating pump system

1995-10-17

1997-03-11

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

417411, G21C 1518, G21C 15243

Patent

active

056109580

ABSTRACT:
A reactor circulating pump system comprises a pump and a power supply apparatus for driving the pump. In the power supply apparatus, an AC/DC converter and a DC/AC converter provided with an AC voltage/frequency adjuster are connected in series between an in-plant AC bus and a reactor circulating pump, a DC voltage adjuster, a superconducting energy storage apparatus and an excitation power supply source are connected to the input side of the DC/AC converter. A controller is incorporated in the power supply apparatus so as to receive a signal indicating instantaneous power failure or power breakdown on the in-plant AC bus, or reactor trip, and change an AC voltage supplied to the reactor circulating pump with a ratio of AC voltage and frequency kept constant for controlling a pump delivery rate to have a predetermined value, while holding an output voltage from the superconducting energy storage apparatus at a predetermined value.

REFERENCES:
patent: 4627797 (1986-12-01), Rill, Jr.
patent: 5343507 (1994-08-01), Arnold et al.

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