Results of 20-years' experience with operation of the Kama hydroelectric plant
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The operating experience indicates reliable service of the hydraulic structures of the Kama hydroelectric plant, built on gypsum-bearing native rock. The effectiveness of the grout curtain during operation can be increased by injecting grouts made from chemical polymer materials.
In order to reduce the cavitation wear of the hydraulic turbines it is necessary to use cast stainless steel runner blades and, during the repairs of the runner chambers, to install semiautomatic systems for coating with powder wire the surfaces damaged by cavitation.
The useful life of the generator windings can be increased by carrying out opportunely measures for correcting the rotor shape and reducing the generator vibration.
KeywordsStainless Steel Cavitation Renewable Energy Source Hydraulic Engineer Operating Experience
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