what is meant by transformer differential protection ?
Answer Posted / m.w.
Differential protection compares de primary currents with secondary currents (which must keep the same ratio) in order to detect a "differential" current between them caused for an inner fault.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.
I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing
how to calculate power consumption in slip ring motor at different step
What id difference between power and energy?
How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?
if we give 60 hz single phase supply to the transformer used in europe , than what will happen
how to select fuse rating for a 3-phase motor ???
1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be
What is the Resposiblity of Electrical Utility Engineer
Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors
what is the transiant condition in alternator? and how it can be prevanted?
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
what shoud be strength and weakness to impress interviewer????????