STEAM TURBINE GOVERNING SYSTEM – Download as Powerpoint Presentation .ppt), PDF KWU Electro Hydraulic Governing Final1. Governing System. 2. Types OF Governing System. 3. Features Of KWU Turbine Governing System. 4. Turbine Oil System Interlocks. 5. SALENT FEATURES OF MW KWU TURBINE GOVERNING SYSTEM KWU mw turbine is a throttle governed machine. Two governors, electro-hydraulic .
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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 tkrbine to the network frequency changes.
Two governors, electro-hydraulic and hydraulic are incorporated. Both the governors are connected in parallel. 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.
FUNCTIONS OF THE GOVERNING SYSTEM
HG consists of mechanical arrangement of spring and bellow. Machine speed is measured and indicated as primary oil pressure. 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.
Transmission Hydraulic Systems Chapter 4 Introduction How the transmission develops hydraulic pressure How transmission generates, regulates and modifies. My presentations Profile Feedback Log out.
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FUNCTIONS OF THE GOVERNING SYSTEM – ppt video online download