what is difference between earth fault& restricted earth
fault.
- 3 Answers
- 5119 Views
- I also Faced
- E-Mail Answers
Answer Posted / nur.asidik
EF/SEF/50N/51N/51G can be detected by core balance CT or by vector summation of line CT(residual)
64REF is by comparing current flowing at TR neutral CT with residual CT at line CT,
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Why an ac systems are preferred over dc systems?
what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
why we used dc supply for field in dg set
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
Explain Random and Deterministic signals?
If rotor works in clock wise what happens
what is 3rd Harmonics? how it is generated in alternator
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?
What aturn on methods of scr?
what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
state basic meaning of 'INDUSTIAL AUTOMATION'?
Do closed loop systems require manual input?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
