Answer / vinodkumar

oil natural air natural

Answer / abdulsubur

ONAN FULL FORM OIL NATURRAL AIR NATURAL

THIS IS TYPE OF TRANSFORMER ONAN TYPE

Answer / rahul m

ONAN - Oil Natural Air Natural

It is atype of coolong practice for Transformers

Answer / sagar suryawanshi

ONAN stands for oil natural air natural it is a cooling system used for transformer below 30 mva.Hydrocarban minaral oil is used for cooling purpose.
ONAN
ONAF
OFAN
OFAF This 4 colling systems is used .

Answer / noor

open natural air natural

Is it possible to make 0.75KW motor earthing from MCC panel by using the 1.5 SQMM, 4 core cable, means 3 core for 3 Phases & 1 core for Earth terminal?

4 Answers  

why use only sf6 circuit breker in 400 kv sub station

5 Answers   BARC,

what is ic 01,ic 06 ?is it types of cooling?

0 Answers   Bhel,

how will calculate the winding ohmic value in 3phase motors in h.p wise? ex.10 h.p motor winding value ph to ph ? 5 h.p motor any calculation please send me.

1 Answers   Hyundai,

purpose of breaker contact multiplication relay?

5 Answers   ABB,

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

0 Answers  

what is a universal motor? how it works?

4 Answers  

how many minutes or seconds taken by the transmission of electrical power from generating end to distributing end?

3 Answers  

what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

In generally how many earthing required for power

4 Answers  

factor to be considered for bus bar design

0 Answers  

Which type of Oil is used in transformers, & what is its strength?

1 Answers