ACCESSORIES

TRANSFORMER ACCESSORIES

Transformer accessories are protective and indicative equipment that are used depending on the transformer power and type.

HERMETIC PROTECTION RELAY:

A hermetic protection relay is a multifunctional protective device that provides protection against temperature rise, pressure rise, low oil level and gas accumulation in hermetic transformers. A relay has two contacts, warning and tripping, against each failure condition.

 

BUCHHOLZ RELAY:

Buchholz relays are used in transformers with an oil expansion tank. It provides protection by giving contact in cases of electrical failures occurring in the transformer or caused by insulating materials. It has two contacts, warning and tripping, for cases of failure.

 

WITH CONTACT THERMOMETER:

A contact thermometer has two contacts that are settable according to the permissible oil temperature rise in the transformer. It is possible to monitor oil temperature in the range of 0 to 120°C on the thermometer.

 

PRESSURE RELIEF VALVE:

A pressure relief valve protects the transformer tank by ensuring the evacuation of sudden pressure rise building up in hermetic transformers in cases of failure. The valve is set to a certain values of pressure and can be selected with or without a contact.

 

OIL LEVEL INDICATOR:

 

In transformers with an oil expansion tank, an oil level indicator is used to check the oil level in the tank, and hermetic transformers also have a different type of oil level indicators. It can be selected with or without a contact.

 

DEHYDRATING BREATHER:

In transformers with an oil expansion tank, an dehydrating breather mounted on the expansion tank prevents the moisture from penetrating oil by cutting off the direct interaction of oil with the exterior milieu by means of a silica gel put in it. The quantity of silicagel varies depending on the transformer power.

Ats Trafo Elektrik, Akaryakıt, Nakliyat, Tekstil, İnşaat San. ve Tic. LTD. ŞTİ.

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