Steam chest crossties for improved turbine operations

Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – With turbine protection means

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415155, F01D 1718

Patent

active

048470392

ABSTRACT:
A method and apparatus for reducing thermal stress in steam turbines having steam chests with a plurality of linearly-arranged valves controlling respective nozzle chambers. By crosstying selected pairs of the valves, and selectively admitting steam through the crosstie, transfers of the turbine from a full-arc admission mode to a partial-arc admission mode, and vice versa, can be made with a minimum temperature differential.

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