Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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calculate multiplication factor of a trivector meter with line ct ratio 200/5A, line PT ratio 11000/110V and meter CT ratio 200/1A and meter pt Ratio 11000/110V.

4 Answers  

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what is difference b/w bus duct & bus bar.

2 Answers  

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Can we provide 3phase wire in conduit for room?

1 Answers  

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How to work star delts method in the case of single phase motor?

4 Answers   Siemens,

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if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

0 Answers   BSNL,

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I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula

1 Answers   Wipro,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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what is purpose of manual bybass in ups

3 Answers  

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In the magnetic fluxes, what is the role of armature reaction?

0 Answers  

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

0 Answers   Wipro,

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1.4 What is meant by CT knee point voltage and how would you determine it

0 Answers  

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