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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer
1 4422Why we use a H.T. Fuse from a thick wire, on other side we use high rating of cables? & Why we use less Sq. mm Cable on H.T. side , on other side we use Large Sq. mm cable?
1 8127Which type of moter is used in trains, what is the ratting of supply used explain Working principal?
2 7619Post New Electrical Engineering Questions
What is the function of a neutral reactor.
why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.
What is the difference between resistance grounding system and resistance earthing system?
Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?
what is Anti-pumping?
Why 3 phase induction motor getting supply in body if one of it's phase is cut
What is minimum phase system?
why and how current drawn by battery charger depends upon the altitude where it is located?
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
What happen to generator if i have unbalanced load?
What is a surge supressor why its is used in synchronous generators
how to design coil turns ?
