Answer / sagar sethi

TRANSFORMERS RATING MORE THAN 1600 kVA ARE COMES UNDER
POWER TRANSFORMERS.
TRANSFORMERS RATING UPTO AND INCLUDING 1600 kVA ARE COMES
UNDER DISTRIBUTION TRANSFORMERS.

THESE ARE SPECIFIED AS PER INDIAN STANDARD 10028 (CODE OF
PRACITICE FOR SELECTION,INSTALLATION AND MAINTENANCE OF
TRANSFORMERS PART-1, PAGE NO-4).

Answer / ashutosh

Power Transformer Have High KVA ratings As Well As Its Have
Larger In size . In Power Transformer we provides to the
Air Balst Cooling Or ONAN Type Cooling(OIL NATURAL AIR
NATURAL)
While The Transformer Have Less KVA rating As Wll As In It
We Use to The NAtural Air Cooling Or Oil Cooling

Answer / surendra

power t/f which step down from HV to LV. ratings of the
power t/f is in mw supply is given to this t/f by
generating station or substation. while in the distributon
t/f it step down the suply from 11kv to 440v or 230v. the
supply is directly given to the consumer.

Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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