Voith Hydro has supplied two full energy models (5 and 6) for the Changlongshan pumped storage plant in eastern China.
pressure gauge octa ’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 industrial operation. It is the world’s first reversible pumped storage unit with a rated velocity of 600 r/min and a capability of 350 MW. There are six models installed in total at the 2.1 GW Changlongshan station situated in Zhejiang Province.
Voith says that the efficiency of unit 5 received excellent suggestions from the homeowners and experts in the business.
“The data confirmed that the unit meets our excellence standards 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).