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Gas-insulated switchgear converter transformer leak pointer enervac

Cbip Manual On Transformer (publication No 295) [g0rw86myryqk] test with transformer oil at a pressure of 3 kg/cm2 for 30 minutes at ambient temperature for relay casing. Insulation resistance measurement with 500 V megger. Dielectric test at 2 kV for 1 minute. Elements test at 1.75 kg/cm2 for 15 minutes using transformer oil at ambient temperature. Loss of oil and surge test. Gas volume test.

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