Hydro power How a Hydro Power Plant works the Renewable energy source Hydro power is utilized. How a Turbine, Generator Power Transformer work in a power station.
Spiral case is made of welded steel plates and rolled steel plates for welded structure. After welding 100% ultrasonic testing is performed on all welded units. Radiographic inspection is performed for all cross points of welded joints and all doubtful welding defects are detected by ultrasonic detection.