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can some one clearly explain why -48 volt DC use in telecom site????
How 48-relay (incomplete sequence) functions?
what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....
How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.
generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
How to check the Bushings of the transformer?
USE OF 8 WAY PAN ASSEMBLY
orifice sizing how done, checking & selection
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
What is the limitation of kirchoffs law?
tell me some type of questions throught which i can prepare for exam and do my best
where we use the SFU & FSU?
What is the polarization index value ? (Pi value)and simple definition of polarization index ?
IF 8255 CONTROL WORD IS 94H,Tell the chip port work mode ?
what is basic difference betmeen normal & flame proof motor??
