What is the difference between Derived earth Fault and
measured earth fault.How it works.
Answer Posted / akshat sharma
What i think, measured E/F is what we measure directly through a Zero-sequence C.T. or core balance CT. While derived E/F is which relay calculates from 3 c.t`s i.e vector sum of R/Y/B.
Is This Answer Correct ? | 26 Yes | 0 No |
Post New Answer View All Answers
what is saturation kit?which use above 15 kw motors panel side.
If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?
Why do we avoid electrical conduits in floors at apartments?
what purpose to use excaiter in DG.?
what is the preventive maintence for ht panels and busbars and vcb abd acb's.
I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.
Star Delta Diagram with full description
What's mean HVF & HAF in Vacuum Circuit Breaker?
Wt is the function of reactive power? How it generates & consume though resultant is zero?
How do you compute voltage drop and cable size over distance?
What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
What is the need for a controller?
Is there any specialised book to refer about fault level calculation both in MV and LV side??
Which is the oldest hydropower plant in india?
how does an encoder work???