The oil immersed transformer can be used indoors (outdoors) and can be installed on a mast if the power is 315 kVA and below. The ambient temperature is no more than 40-C, no less than 25-C, the maximum daily average temperature is 30-C and the highest annual average temperature 20-C, the relative humidity does not exceed 90% (ambient temperature 25-C) and the height does not exceed 1000-m.
What are the load characteristics of an oil immersed transformer?
What are the installation requirements for oil immersed transformers?
What should be checked on the outside of the oil immersed transformer?
What are the load characteristics of an oil immersed transformer?
1) Two or more transformers should be installed for a large number of primary or secondary loads. If one of the transformers is separated, the capacity of the remaining transformers may cover the power absorption of primary and secondary loads. The primary and secondary loads should be concentrated as far as possible and not spread too strongly.
2) A special transformer should be installed for high seasonal load ability. For example, the cooling load of air conditioning and the electric heating load of heating in large civil buildings.
3) If the concentrated load is large, a special transformer should be installed. Like large heaters, large X-rays, electric arc furnaces, etc.
4) If the illumination load is large or electricity and lighting use a common transformer which seriously affects the illumination quality and service life of the bulb, a special illumination transformer may be installed. Under normal circumstances, electricity and lighting share a transformer.
What are the installation requirements for oil immersed transformers?
Distribution transformers are important components of transformers, and oil transformers are generally installed in a separate transformer room.
Depending on oil as a cooling medium, such as oil immersed natural cooling, oil immersed air cooling, oil immersed water cooling and forced oil circulation, etc. In general, the main transformer of a pressure station is oil immersed, with a ratio of 20KV/500KV or 20KV/220KV. In general, power plants are used to drive their own loads (such as coal mills, suction blowers, blowers, water circulation pumps, etc.). The factory transformer is also an oil immersed transformer and its translation ratio is 20 kV/6 kV.
The oil immersed transformer assumes a completely oil-filled sealed type. The corrugated oil tank cover is a permanently sealed oil tank with its own elasticity to adapt to the expansion of the oil. transformers immersed in oil are widely used in various power distribution systems.
What should be checked on the outside of the oil immersed transformer?
The content has no mechanical damage
The screws are intact
The seal is well sealed
The housing surface has no defects
No oil spill and oil spill
No rust, complete varnish
All accessories are intact
The track resistance of the rollers corresponds to the track resistance of the base rails.
This is some information about the oil immersed transformer.
