ABB disconnectors shielding power equipments at highest altitude

Leh – Ladakh is a fabled, mystical land. In the far north of India, some 1000 kilometers from the hustle and bustle of the national capital, here azure skies reign over frozen lakes, rocky terrains, Tibetan castles and scrubby plants. For many years, this region of Jammu and Kashmir – known for its raw beauty – served as a resting place for traders on the ancient Silk Route and remained sparsely populated. Lately, however, it has been striving for the next level of growth and connection with the modern world. Surrounded by the Himalayas and the Kunluns – the harshest mountain ranges in the world, power equipment here gets coated with layers of ice, and maintaining and servicing often becomes perilous.
To this challenge, ABB’s solution, its double-break disconnectors operate as shields that isolate power equipment from the network and ensure safety and reliability of the substation. The 66 and 145 kV disconnectors with ice-breaking capacity have been deployed at the Leh, Khalsti, Drass and Kargil substations owned by the Power Grid Corporation of India – a state-run electric utility company headquartered in Gurugram. The substations were installed as part of the Indian government’s “24/7 Power for All” initiative in 2014 that has brought electricity to many far-flung corners of the country.

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