Pumped storage success for Voith in China

Voith Hydro has provided two complete power models (5 and 6) for the Changlongshan pumped storage plant in eastern China.
A bird’s eye view of Changlongshan pumped storage plant – Image courtesy of Voith.
Earlier Off-limits , unit 5 successfully passed a 15-day trial operation and was officially put into business operation. It is the world’s first reversible pumped storage unit with a rated pace of 600 r/min and a capability of 350 MW. There are six models put in in whole on the 2.1 GW Changlongshan station situated in Zhejiang Province.
Voith says that the efficiency of unit 5 received outstanding suggestions from the owners and specialists within the business.
“The data showed that the unit meets our excellence criteria and thereby proves that the engineering, manufacturing, set up and commissioning of the world’s first 600 r/min with 350 MW unit was profitable,” said Zhang Chengping, mechanical and electrical chief engineer at plant operator the China Three Gorges Group (CTG).
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