When to use Oil Transformer type and When to use Dry type?
What is the difference between both?
Answer Posted / dennis ortega dueñas
Dry Type transformers use air as the cooling medium. Oil Type transformers are considered a potential fire and safety hazard. Oil Type transformers require the development and maintenance of reliable fire safety and extinction procedures
Dry Type Transformers can be located closer to the load unlike oil transformers which require special location and civil construction for safety reasons. Locating the transformers near the loads may lead to savings in cable costs and reduced electrical losses.
Oil Type transformers may require periodic sampling of the oil and more exhaustive maintenance procedures.
However, though dry type transformers are advantageous, they are limited by size and voltage rating. Higher MVA ratings and voltage ratings may require the use of oil Transformers alone.
For outdoor applications, oil filled transformers are cheaper than dry types.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
What is nichols chart?
please send previous exams question papers
We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.
what reactive how to maintain
what kelvin's law ?
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
What is meaning of out of phase (making & breaking) capacity And how to calculate
in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?
What is the difference between the relay and the circuit breaker?
how calculate gd2 of ht motors
What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?
how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?