Khaperkheda : HP Turbine Rotors - 210 MW Unit - I
• Interstage and gland area steam leakage, compounded imbalance could be loaded upto 200 MW.
• OEM advised to remove all blades of 17 stages and then sealing rings refining work, possible at Hardwar.
• We are not only replaced sealing rings but did refining of interstage sealing rings with dynamic balancing of turbine rotor (March 2004).
• Unit is running on more than 210 MW load. No imbalance and vibrations. Saved 66 tons per hour of coal.