Yilihe HHP

The old Pelton turbine was upgraded to 2CJA475-1700 and installed to run through the efficiency test showed that the unit efficiency improved in different working conditions than the original generating unit 2CJP2-1700, the full range of the weighted average efficiency increased by 3.4% with good operating stability.

The renovation provided a new runner model CJA475C-L-155/4x9.5, the upgrade involved the replacement of the Pelton runner and the upgrades of nozzles.