Answer / lova subrahmanyam

woodward 505 best governer to control only inlet steam to
the to turbine

woodward 505E for control inlet steam and extractions of
steam turbine

Answer / ramesh

woodward 505 is the governor for the steam turbine it
controls the inlet steam , speed & extraction steam
generally it having so many options it needs the to rpm
sensors the advance system of 505 is 505E

Answer / ailesh

WOODWARD 505 IS BASICALLY SPEED CONTROLLER FOR TURBINE.
SENSE INPUT FROM SPEED SENSOR, COMPARES IT WITH SETPOINT
AND GENERATES THE OUTPUT WHICH OPERATES THE STEAM CONTROL
VALVE.

Answer / muataz

how to use 505E for standard steam turbine

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

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What is the load line in control valve?

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3 Answers  

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Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72

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which type inter lock use in petrochemical refinery,and oil & gas?

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