Seat ring volute of 1st unit of Zhejiang Tiantai Pumped Storage Power Station in place

Date: 2024-06-04

The seat ring volute of the first unit of the Zhejiang Tiantai Pumped Storage Power Station in Tiantai county, east China's Zhejiang Province, was recently hoisted in place.

This achievement was facilitated by an innovative workshop technique that involved pre-assembling the seat ring, volute, and extension section through welding. It marked the first time such an innovative approach has been developed and successfully applied in the Chinese pumped storage industry, cutting at least 10 days from the construction schedule.

The total installed capacity of Tiantai Pumped Storage Power Station stands at 1.7 million kilowatts, featuring a rated head of 724 meters.

Upon completion, it will play a key role in the Zhejiang power grid, helping with such tasks as peak load regulation, valley filling, frequency regulation, phase modulation, power storage and emergency support.

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By China Three Gorges Corporation

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