How does numerical relay work?
Answer / k.prakashchandra
It is a digital relay taking many samples for measurement
for deciding the fault.
| Is This Answer Correct ? | 3 Yes | 0 No |
Dear all, how we select the cable size according to current with or without including different correction factor , is there any direct method for sizing of cable...
why is using sensor?what is differece between photoelectric and proxmitty?
What is the difference between INVERTER and UPS?
Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?
why a single phase motor of same rating takes more amps than the three phase motor? as single phase motor at 230v takes 5amp per HP while 3 p motor takes 2.5amp per hp at 230v.
what is the load amp for 1 HP 3 phase Motor ?
what is the function of switch gear ?
how winding temperature detects in power transformer...?
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....
why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??
What is substation?
What is mean by earthed & unearthed cable? Voltage grade of 1.9/3.3 kV(E), 3.3/3.3 kV(UE), 3.8/6.6 kV(E)what it indicates??
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)