NUCLEAR REACTOR CONTROL GEAR WITH STEPPING CONTROL-ROD POSITION SENSOR Russian patent published in 2003 - IPC

Abstract RU 2208846 C2

FIELD: nuclear engineering; operating mechanisms for control rods of reactor control and protection systems. SUBSTANCE: control gear that functions to ensure control of each step of rod during its displacement which is most essential in diagnosing its condition has shunt position indicators made in the form of two similar coils with magnetic cores and two windings positioned in immediate proximity of each other, planes of winding turns being disposed unidirectionally with shunt displacement. Length of one coil with magnetic core is equal to or greater than one fourth of full operating travel of rod; shunt length equals double length of coil with magnetic core. EFFECT: enhanced precision of control-rod position determination and regulation, simplified design, enhanced operating reliability. 1 cl, 5 dwg

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RU 2 208 846 C2

Authors

Ivanov I.V.

Matjushev L.A.

Razbitskov V.I.

Petrov V.V.

Dates

2003-07-20Published

2001-03-27Filed