how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.

5 Answers  

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why fuse amperes rating are specified ratings like 32amp & 64 amps?

2 Answers  

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Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

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What is the difference between MCB & MCCB, Where it can be used,

22 Answers   ACB Group, Badve, Bajaj Electricals, Hensel, Siemens, SR,

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where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.

2 Answers  

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derive DC RMS value for half wave rectifier?

0 Answers   BARC,

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

0 Answers  

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What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

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Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

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What is eddy current & eddy current loss ?

2 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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opkinson's test

0 Answers   Bhel,

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