Buchholz Relay in Transformer

Buchholz Relay in detail

Buchholz relay is a protection device which is used to detect the fault occurs inside the oil filled transformers . Such faults are termed as incipient faults. Insulation breakdown between the winding turns, impulse breakdown of the insulating oil or winding to core fault because of weakening of insulation are examples of such faults. Incipient faults … Read more