ABB energises transformer at record 1.2 mn volts

  ABB has developed, manufactured and energized a 1,200 kV ultrahigh voltage power transformer to support India’s plans to build a 1,200 kV transmission system, supplementing the existing 400 kV and 800 kV transmission grid as demand for electricity increases. According to ABB, this 1.2 million volt transformer represents the highest alternating current voltage level in the world.
The transformer is installed at the national test station at Bina, Madhya Pradesh, as part of a collaborative initiative by the country’s central transmission utility, Power Grid Corporation of India Limited (POWERGRID). The transformer was manufactured and tested at ABB’s facility in Vadodara.

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