how to calculate the multiplying factor for energy meter
with CT ratio given

Answer Posted / avinash pawar

MF = Main PT ratio × Main CT ratio / Meter PT ratio
Main PT ratio = 22kv / 110v
Main CT ratio = 400 / 5
Meter PT ratio = 11kv / 110v
So, MF = { 22000/110×400×5 } /11000/110
MF = 160

Is This Answer Correct ?    0 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1595


what is effect of leading power facter on the system and billing

1787


How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

1730


Draw torque - speed curve and load curve of induction motor? mark operating point ?

1531


what is earth pit , how we can measured it, what earth rods reference

2070






what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

1782


State and define norton’s theorem?

785


Z transform is use when system is not a) converges b) diverges

1186


what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

1353


Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

1688


if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

1824


Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

1683


How would you calculate power loss in a resistor?

637


1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1546


how to protect motor in dol starter having capacity of 30 hp.40 hp?

2770