Why the starting current in Induction Motor is very high as compared to normal rated current ????6 13915
What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?2 5455
Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me1075
Is earthing done for AC or DC or both?6 6085
what is diffrence b/w -48vdc and +48vdc ?1 3093
Is possible to increase the voltage without using transformer? why?9 10798
Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?2 3426
what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send1131
i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking 4.8A. what is the reason of this. please explain with proof.8 6519
In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?1 2463
How maesure earth neutral value & how much maximum value value required in between earth & neutral.
1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?
please explain to me how to calculate current,voltage,resistance with formula??
Transformer diagram mention each parts ?
is there any phase difference occurs while primary and secondary side mutual induction occurs?
why in the three pin plug all 3 pins are cutted ?
Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics
DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.
how to determine Sq.mm size of finolex power cables.
which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?
What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?
What is a surge supressor why its is used in synchronous generators
Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.
In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?
What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation