What core magnetic balance test of transformer?
How to do this test in a three phase Star delta (star-LV,
Delta-HV) transformer?
How to measure and where to measure?

thanks and regards
Austin

Answer Posted / mustafa

This is nothing but voltage ratio test, To find available
voltage for the small test voltage applied on secondary

Is This Answer Correct ?    14 Yes 151 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why we find the sensitivity for the CT's to check?

1427


"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

1433


Can anybody tell abt concrete encased earthing or grounding?

1627


Draw transformer phasor diagram.(full load,no load)

3707


EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1393






why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

4668


What is nichols chart?

780


why do we not use equivalent voltage source in negative sequence equivalent ckt.

1616


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1207


What will happen if i replace a inductive proximity switch with photo sensor in a machine?

1417


In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

2770


In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

1606


what is stper motor

1999


What is an order of a system.

736


what is meant by re-rolling motor? how it differs from standard motor?

1472