Case Study
Efficiency Improvement of a 7.5MW Turbine
07 Based on this a 10 stage rotor was redesigned to a 11 stage rotor. We needed to manufacture new blades and found that the old design of root was no longer used and a decision was taken after consulting the customer to replace the same with our new design. The rotor was rebuilt and assembled in the turbine. The turbine is on full power for over 2 years with no issues since. On start up achieved a efficiency improvement of 8%. The turbine with these changes is operational for the past 2 years now and meeting the efficiency requirement of the customer. The customer is a large player in the steel PCG space in India. They imported an old plant manufactured in the year 1972 from Germany and wanted the same to be put back in operations with an improved efficiency of 4.8 kg/kw hr t