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Power Grid

Friday
23 Jul 2021

Hitachi Develops Prefabricated Gas-Insulated Substation

23 Jul 2021  by Hitachi ABB   

Hitachi ABB Power Grids has composed a complete prefabricated containerized gas-insulated substation for the industrial gas company Linde.

The solution comprises 10 bays of 66 kV gas-insulated switchgear, protection and control panels and all ancillary equipment in pre-assembled, pre-tested, container-sized modules, which were shipped as a single prefabricated unit, ready for speedy on-site installation.

Its compact footprint measures only 30 x 10 x 6 meters, which is considerably smaller than an air-insulated alternative.

“Our prefabricated containerized substations shift assembly, installation and testing from the customer’s site to our integration yards, where the work is done in advance of delivery,” says Niklas Persson, Managing Director of Hitachi ABB Power Grids’ Grid Integration business.

“This brings huge benefits for our customers in terms of lower carbon footprint while allowing to reduce time, costs and risks.”

These modular containerized prefabricated grid and power quality solutions typically reduce project lead times by 30-40 percent and footprint significantly.

Linde, the world’s largest industrial gas company, required a grid integration solution to connect its new gasification plant in Singapore to the high-voltage power grid. The plant represents the biggest investment in the company’s history and when completed in 2022, the plant will be Linde’s largest gasification plant.

Crucially, the grid connection must be highly reliable and compact, with very short lead times and as little as possible installation work needed on-site to reduce costs and minimize the risk of delays.

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