Siemens debuts world-first in transmission tech in China

Siemens has received an order to deliver the world’s first 1,100 kV HVDC transformers for a power transmission project in China.

The scope of supply contains with 587 Megavoltampere (MVA), what the company claims to be the most powerful converter transformers of the World.

The HVDC link will be operated by the transmission grid operator State Grid Corporation of China (SGCC). The planned 1,100 kV HVDC transmission link between Changji and Guquan, which is currently the world’s biggest HVDC project, is 3,284 kilometers long and has a transmission capacity of twelve GW.
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Guquan Siemens will deliver the transformers, which are expected to go into operation in 2018.

Siemens is manufacturing the transformers in its network of factories led by its transformer plant in Nuremberg, Germany, in cooperation with its factory for HVDC transformers in Guangzhou, China.

“With our transformers and our technology, we support a global power grid, called Global Energy Interconnection, GEI,” said Beatrix Natter, CEO of the Transformers Business Unit within the Siemens Energy Management Division. “In this way, we are also helping to interconnect the global ultra high-voltage three-phase grids and ultra high-voltage DC grids on the 1100 kV DC and 1050 kV AC level.”

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