Answer / lokesh

transformer is a static device which transforms power from
one ckt 2 another ckt with out changing frequency.

Answer / minal

This is a electrical device for step up or step down the
voltages.It has two terminals one output terminal & other
is input terminal.

Answer / pankaj

Transformer is an electrical static device which is useful
in step-down and step-up the voltage level at the output
side as desired.

Answer / bharath kumar

Transformer is an electrical static device which is useful
in step-down and step-up the voltage level at the output
side as desired.(with out changing the frequency)

Answer / j.silambuselvan

Transformer is a static device,which can be stepup or
stepdown the voltage without changing frequency.

Answer / shalini

Transformer is a static device which transfers voltage from
its ptimary side to the secondary side without any change
in frequency.

Depending upon the number of turns the voltage may be
stepped up or stepped down

Answer / shahzad

transformer is a device which is used to convert high
alternative voltage to a low alternative voltage and vice
versa .

Answer / sobhila.venkata ramana

transformer is a staticdevice it converts power from one
circuit to another circuit

Answer / veresh g

Transformer is a static device,which can be stepup or
stepdown the voltage without changing frequency.

Answer / usman akhta

Transformer is an electrical static device which transfers
power from one circuit to another without change in
frequency.It can step up or step down the voltage as
desired.

What is an iron loss or core loss pi?

0 Answers  

I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

how is control wiring coding is done in a CRP panel ?

0 Answers   Genus, Havells, Hindustan Power Projects,

why we use bare wire in high tension power instead of using insulated wire?

2 Answers  

hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

0 Answers  

Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,

4 Answers   L&T,

What are the types of windings according to the construction?

0 Answers  

please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house

1 Answers  

what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

say a transformer is designed for 33/11kv step down with ratio 0.33 for load 1 mva. if am giving 11kv as a input that same transformer what will happen to its o/p voltage. and whether it can be operated for 500kva

4 Answers  

How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

0 Answers   TATA,

What is the role of Tertiary Winding in Transformer ?

2 Answers