Steam turbine valve test system

Details Steam turbine valve test system Steam turbine valve test system

1983-10-03

1985-04-23

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

045121850

ABSTRACT:
A valve test system for closing off certain governor valves under steam flow conditions while still maintaining a substantially constant steam flow. A plurality of valve position demand signals is calculated for the respective governor valves with the signals being fully compensated with respect to non-linear flow characteristics of the valve. A valve test signal is injected in the control arrangement prior to the calculation of the valve position demand signals and causes closures of the valves under test and a proportionate further opening of the remaining valves.

REFERENCES:
patent: 3928977 (1975-12-01), Braytenbah et al.
patent: 4019390 (1977-04-01), Smith et al.
patent: 4245162 (1981-01-01), Ronnen et al.

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