ABB commissions 1200kV circuit breaker at national test station of Power Grid

03 Dec 2014 Evaluate

ABB India, power and automation technologies provider has designed, manufactured, installed and commissioned a 1,200-kilovolt (kV) circuit breaker the highest AC voltage level in the world. Once the 1200 kV ultrahigh-voltage switchgear is fully operational, it will have a switching capacity of 10,400 megawatts - a switch capable of turning 'On' or 'Off' the electricity generated by 10 large power plants or the combined average annual electrical load of Switzerland and Denmark, within milliseconds.

The circuit breaker is deployed at the 1,200 kV national test station constructed by Power Grid Corporation of India (PGCIL), India's central transmission utility, at Bina in the central Indian state of Madhya Pradesh. Alongside the circuit breaker, the state-of-the-art hybrid switchgear solution comprises a gas-insulated disconnector, current transformers and monitoring and diagnostic equipment. The solution requires only half of the space that would be needed for one with conventional air-insulated designs. The configuration also protects critical components from environmental exposure and makes it more resilient against earthquakes.

ABB India is a leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs more than 150,000 people.

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