Answer / s.ramesh babu

PT Name Plate details is 11kv/110/root3.
But Your EM name plate details is 415/110/root3.
and CT ratio is 30/5A.

Step:-1
Calculate voltage is 11000/415=26.50
Step:-2
Calculate CT is 50/5=10A.
Step:-3

Now EM multification factor is 26.50*10=265.06.

Answer / shah

This question set is prepared based on India's requirement.

Answer / k.prakashchandra

Meter constant is 100x6 =600 if ct and pt ratios are not
incorporated (see name plate).160 imp/Kwh is not the meter
constant and it is like rev/Kwh in EM meters

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

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