from：China Three Gorges Corporationdate：2021-08-17
Changlongshan pumped storage power plant has installed 4th stator, which has a lifting weight of about 415 tons and a maximum outer diameter of about 8.2 meters, into the generator on August 14.
The stator, a "stationary" element of the generator, is an essential part of the pumped storage unit as well as one of the core components of the generator motor. The assembling quality of the stator is directly related to the safe and stable operation of the power unit over the long term.
The installation of the stator for the No.4 power unit is an important process in the construction of Changlongshan pumped storage power plant. The final assembly of the power unit is scheduled to be completed within this year, laying a solid foundation for the power plant to put all of its 6 power units into operation by July 2022.
Pumped storage power plants play an important role in regulating the power system electricity production by storing energy surplus not needed in the valley periods, to use it later in peak periods. Thus, it will improve the operating conditions of the power grid.
Changlongshan pumped storage power plant has generated 118 million kWh of electricity and 160 million kWh of pumped-storage hydroelectricity, after its No.1 power unit became operational,
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