why earth wire is needed in a wiring system
how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?
Why star delta starter is preferred with induction motor?
how to male a d.c bettery to blow a 230v bulb?
wat is the function of an inductor? examples.....
why generator and t/f ratings given in kva?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
An engineer measures the direct current resistance of a transformer using ohm meter. When he/she takes out one of the leads of the meter, spark comes.. Why ?? This effect is known as...
what is diff. between earthing grid,earthing mess, earting grid?
0 Answers Century Rayon, Emco, Tailor Solution,
What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps
Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?
If u have 60KVA UPS, than tell me how systems ( computers ) u may connect?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?