72-hour trial run of the No. 21 generating unit of the Three Gorges Right Bank Power Station

After a series of waterless, water-conserved and 72-hour test runs, at 4 pm on August 20, Unit 21 of the Three Gorges Project Right Bank Power Station was officially put into operation.

Unit 21 is the second unit installed by the China Hydropower Fourth Bureau in the Three Gorges right bank power station, and the third unit of the Three Gorges right bank power station. So far, 17 sets of 700,000 kW giant hydroelectric generating units have been put into operation in the Three Gorges Power Station.

On August 20th, the Three Gorges inflow rate was 18,500 cubic meters per second, and the water level in front of the Three Gorges Dam was 144.88 meters. Under the current water level, the average daily power generation of the Three Gorges Power Station was about 260 million kilowatt hours.

Unit 21 of the Three Gorges Right Bank Power Station was built by Alstom of France. The China Hydropower Fourth Bureau began installation on October 24, 2006. The installation and commissioning lasted more than 10 months.

From the situation of commissioning, among the 10 Alstom units installed in the Three Gorges Power Station, Unit 21 has the most stable performance and the shortest commissioning time. The start-up acceptance committee of the Three Gorges Right Bank Power Station believes that the technical parameters of this unit meet the operational requirements and are authorized to be connected to the grid for power generation.

A total of 32 700,000 kW hydro-generator units are planned to be installed in the Three Gorges Project, of which 14 units in the left bank have been put into operation. There are 12 power stations on the right bank. As of August 20, 3 units have been put into operation. There are 6 underground power stations, which are still in the stage of civil construction.

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