Answer / atif farooq

Transformer is an elctrical device which transfer power from one circuit to another circuit without change of frequency & power

Answer / usman jadoon

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Commonly, transformers are used to increase or decrease the voltages of alternating current in electric power applications.

Answer / kousik karmakar

Its called instrument tfr.it use only protection and measuring purpus..and step down tfr.

Answer / devendra kumar

Transformer is a static device which transfer the electrical energy one circuit to another circuit without change of frequency.

Answer / ruchit bathani

transformer is only change voltgae but current and frequency in not changing its called voltage transformer.

63.5 ohm NGR is connected with our gas engine genrator running at 500 rpm, 50 hz and synched with WAPDA at 6.3 KV bus voltages, 2500A and 25KA(1 sec). can some one give me proper calculations how it comes 63.5ohm?????

2 Answers   UET,

why drum level is increased when one of the running coal elevations are suddenly tripped?

6 Answers   APGenco, Vedanta,

can dp type level transmitter work in under vaccum condition

0 Answers  

what's interlock relay ?

3 Answers   International Mega Food Park Limited, National Power Training Institute NPTI,

What is reheated protection

1 Answers  

What happen when the AVR of the generator fails? Will it cause power instability and total failure of the alternator?

8 Answers  

what is the difference between kg/cm2 to MMWC

2 Answers   Ansaldo,

what is the basic use of power plant in equipment

0 Answers   JK Diary,

By any way can we increase the B check hours from 300 to 500

0 Answers  

what is the trip circuit supervision in an electrical meaning?

0 Answers   IOCL,

why airtel use + 24 volts and other operators use -48 volt

0 Answers   ABC, Airtel, INDUS, Reliance,

In a thermal power plant ID Fans running with full load but boiler load is only 80 % give reason ?

9 Answers   Essar, Prumatech, Tata Power,