Answer / sravanthi

Transformer is a static device which will change the
voltage from one level to another level without changing
frequency.

Answer / n.m.dutta

transformer is an electrical device which convert low
voltage to high voltage and vice verse at constant frequency .

Answer / subash m k 9846537606

It is an electrical equipment used for step-up or step-down
the output voltage corresponding to the input voltage.

Answer / vindhya vasini

it is an electrical device which transfers electrical power from one circuit to another of same frequency

Answer / n rajesh(zuari)

Transformer is a static device which step up or step down
voltage and current without changing frequency.

Answer / pradyumna

Transformer is a static device which transfers electrical
power one side to another side without changing the
frequency.
It's work on mutual induction process.

Answer / alok

Transformer is a static Electrical Machine which changes the
voltage from one level to another level without changing
the frequency.

what is cogging? how it can be controlled?

1 Answers   HCL,

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers  

IF we have 500kva transformer & know the current on HT & LT side, how can we consider for its breaker?

5 Answers  

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2 Answers  

what is the differences between microprocessor and general purpose computer

0 Answers   Stesalit,

What is the amount of no load current of 630 kVA tranformer voltage ratio 11kV/440V ?

13 Answers  

Why you are switching off arc protection mcb when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

Whether power factor should be high or low? Why?

0 Answers  

LT, CC and LMU installed at both the outgoing circuits of 132 kv double ckt transmissio what its means ? and what are there use ?

1 Answers  

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

What is the meaning of TRI Vector meter?

7 Answers   ABB, Excel Power Switchgear,