why middle phase should used for earth fault and other
phases used for over current in overcurrent and earth fault
relay?
Answer Posted / prasun bhaumik
It is a convention there will not be any problem
technically if we change that arrangement
Is This Answer Correct ? | 7 Yes | 4 No |
Post New Answer View All Answers
how can we design robots
why zero sequence impedance measurement is not applicable for single phase GT
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
How do apply electrical 'c'license......pls advice
How much load can be taken for chiller from 1500 kva transformer
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
lamination figures
for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations
what is servo motor and how it works?
What is the difference between cylindrical-type and sandwich-type winding?
what is the necessary of using inductance property in transmission lines even through resistance is used to opposes the high current flows in that?????
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
what is the use of piston rings in the engine used for a generator...........
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?