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.

why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

what is harmonics? what are the factors it will depend upon

0 Answers   KSEB,

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

what is different between kvar & micro farad when its comes across the capacitor rating is it possible to convert kvar to mf or mf to kvar

1 Answers   Manipal University,

What is the typical power circuit configuration of a VVVF Drive ?

1 Answers  

MY QUATION IS ABT THE MAIN POWER TRANSFORMER IN STEEL PLANT , I WISH TO KNOW THAT WHY TRANSFORMER PROTECTION NOT TRIP AS CABLES ON THE SECONDAY SIDE IS WATER COOLED. TRANFORMER DETAIL NORMAL KVA--150 KVA PRIMARY VOLTAGE --34.5 KV SEC.NO-LOAD VOLTAGE---1.290-908-690V ( WITH PRIMARY DELTA CONNECTED) CONNECTION--D/d (EXTERNAL CLOSED) CONSTANT RATEING FROM--1.290-908V CONSTANT CURRENT FROM--908-690 VECTOR GROUP--D III

1 Answers  

why m and c are shorted in wattmeter

1 Answers  

what is formula of illumation calculation

0 Answers  

Atwhat condition reverse power relay will act?

0 Answers   Equate,

how many hvdc lines in india???

0 Answers  

in 3phase 50kva dg what is the full load current for single phase laod

6 Answers  

If a high resistance fault occurs,then what are the changes will happen in the system?

0 Answers