Abstract:

Abstract:There exists much problem for water intake by top cover as technical water supply in operation practice,successful application is less in domestic.The study did analysis to unsuitability of water intake by top cover as technical water supply for the new input 600MW  large scale water turbine,which provided reference or design selection of technical water supply of future new built large scale generating unit.

Key words: Keywords:water intake by top cover, volute water intake;large scale unit, technical water supply