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Title: Turbine power plant automatic control system

Patent Application ·
OSTI ID:5562780

This patent describes a method of controlling a pilot valve of a throttle valve and a governor valve of a steam turbine including a steam chest coupled to the throttle and governor valves. It comprises overlapping operation of the pilot valve of the throttle valve and the governor valve by lowering the governor valve and opening the pilot valve and thereby partially pressurizing the steam chest of the turbine and maintaining rolling speed during start up.

Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (USA)
Application Number:
PPN: US 7-489439
OSTI ID:
5562780
Resource Relation:
Patent File Date: 5 Mar 1990
Country of Publication:
United States
Language:
English