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Centuries-old traditions — state-of-the-art technologies

History

1970xx. High Voltage Lab

In 1970-s, a new production building of the plant was constructed with a high voltage laboratory of 1400 sq. m, which allowed full-scale electric tests of high voltage bushings.

The enterprise completely switched to hermetic bushings for all voltage classes; bushings for 500 and 750 kV for shell-type shunt reactors were developed.