MINING

Pumped storage success for Voith in China

Voith Hydro has supplied two complete power units (5 and 6) for the Changlongshan pumped storage plant in eastern China.

A bird's eye view of Changlongshan pumped storage plant

A bird’s eye view of Changlongshan pumped storage plant – Image courtesy of Voith.

Earlier this month, unit 5 successfully passed a 15-day trial operation and was officially put into commercial operation. It is the world’s first reversible pumped storage unit with a rated speed of 600 r/min and a capacity of 350 MW. There are six units installed in total at the 2.1 GW Changlongshan station located in Zhejiang Province.

Voith says that the performance of unit 5 received outstanding feedback from the owners and experts in the industry.

“The data showed that the unit meets our excellence criteria and thereby proves that the engineering, manufacturing, installation and commissioning of the world’s first 600 r/min with 350 MW unit was successful,” said Zhang Chengping, mechanical and electrical chief engineer at plant operator the China Three Gorges Group (CTG).

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