what is d meaning of inrush current of a trafo ? how u can
calculate this ?

Answer Posted / sudhir kumar

trafo mainly step down the voltage from 240v to 24v which is basically used in industry for the temporary supply of flood light , hand lamps etc..

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

1345


The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

1525


A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE

2075


why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1375


Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

1228






what happens if dc supply is given and the remedies for it.

1284


Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

1796


how the works electronic energy meter?

1670


how desiel generate sart fail of eb?

1673


What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?

1589


the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

1639


why we change the direction of winding in rotor ?how we make the north and south pole?

1592


How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

1583


Explain about c.t?

707


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1482