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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Functions of governing system: To control the initial run up and synchronization of the machine To assist in matching the power generated to that demanded ,wu responding to the network frequency changes. To make this website work, we log user data and share it with processors.

Electro-hydraulic controller block diagram Slide 8: Changes Valve characteristics at low Load 2. Responsible for opening all Stop Valves 4.

To use this website, you must agree to our Privacy Policyincluding cookie policy. The valve characteristic changing mechanism is provide in IP follow-up pistons 2. My presentations Profile Feedback Iwu out.



Operates Aux Follow up Piston. Actual speed of the turbine is measured by using hall probes Range of speed control is wider rpm. The load shedding solenoid-1 is provided in IP sec oil ckt to drain gpverning oil. Resets all Mech Protective Device, i. In order to view it, please contact the author of the presentation. Beside Beside Bearing Bearing No.

Range of speed control is rpm.

Both the governors are connected in parallel. Governing Rack Trip Oil Function: The presentation is successfully added In Your Favorites.

FUNCTIONS OF THE GOVERNING SYSTEM – ppt video online download

Presentation Description No description available. Generates Trip and Aux Trip Oil. Structure of electro-hydraulic controller: The load shedding solenoid-2 is provided in Aux sec oil ckt to drain this oil. Machine speed is measured and indicated as primary oil pressure.

Conducts on line over speed trip test Electrical Speed Transmitter Function: Help Center Find new research papers in: HG consists of mechanical arrangement of spring and bellow. Automatic Turbine Tester Part-V: HG Dead Band 0.

Low Vacuum Trip Device: Electro-hydraulic controller block diagram: Share buttons are a little bit lower. The electrical measuring and processing of signal offer the advantage such as flexibility, dynamic stability and simple relationship of complicated functional relationship.


Regulates Steam Flow in the Turbine Secondary oil circuit 2. 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. Electro-hydraulic controller block diagram. Protective Devices Control Oil 2. Two governors, electro-hydraulic and hydraulic are incorporated. Valve Characteristic changing Device 2. Governing begins after rpm Turbine Speed 5. We think you have liked this presentation.

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Axial Shift Trip Device Function: Governing system can, therefore be preliminary defined as the system designed to achieve functional requirement of turbo-generator operation by controlling and regulating steam turbine input parameters viz. Aux Follow up Piston Function: Follow Up Pistons Function: Go to Application Have a question?

To regulate the steam control valve position and hence load generated. Maximum no Load Speed rpm Trip Test 6. When the frequency is more than 49 hz.