Governing System. 2. Types OF Governing System. 3. Features Of KWU Turbine Governing System. 4. Turbine Oil System Interlocks. 5. KWU Steam Turbine Governing System STEAM TURBINE X 4 MW HTPS GOVERNING SYSTEM Presentation: • Features MW MWKWU TURBINE . In order to maintain the synchronous speed under changing load/grid or steam conditions, the KWU turbine supplied by BHEL at NTPC Korba.

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Share buttons are a little bit lower. Published by Debra Walsh Modified over 3 years ago. To regulate the steam control valve position and hence load generated. To control the initial run up and synchronization of the machine To assist in matching the power generated to that demanded by responding to the network frequency changes. Two governors, electro-hydraulic and hydraulic are incorporated.

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Both the governors are connected in parallel.

FUNCTIONS OF THE GOVERNING SYSTEM

Only one governor can be selected at a time through the process of hydraulic minimum selection. The control valve opening depends on secondary oil pressure and there is a definite relationship between the opening of HP control valve and IP control valve.

Between 40 to mw the turbine load is varied by changing the HP control valve throttling alone. HG consists of mechanical arrangement of spring and bellow. Machine speed is measured and indicated as primary oil pressure.

FUNCTIONS OF THE GOVERNING SYSTEM – ppt video online download

Range of speed control is rpm. HG acts as a back-up to the EHG. Faster response and precise frequency control.

Actual speed of the turbine is measured by using hall probes Range of speed control is wider rpm. Speed regulation Droop can be changed from 2. EHG can be mechanically isolated by closing the secondary oil line from the local.

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POWER PLANT : MW KWU GOVERNING SYSTEM

Transmission Hydraulic Systems Chapter 4 Introduction How the transmission develops hydraulic pressure How transmission generates, regulates and modifies. My presentations Profile Feedback Log out. Auth with social network: Registration Forgot your password?

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