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ไดอะแฟรม ซีล has equipped two complete energy models (5 and 6) for the Changlongshan pumped storage plant in jap China.
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 business operation. It is the world’s first reversible pumped storage unit with a rated velocity of 600 r/min and a capacity of 350 MW. There are six units installed in complete at the 2.1 GW Changlongshan station positioned in Zhejiang Province.
Voith says that the efficiency of unit 5 received excellent feedback from the house owners and specialists within the industry.
“The knowledge showed 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).
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