in short circuit. test of a transformer 5 to 10% ofvrated voltage is used why??? if we use rated voltafe then what will be?

1 Answers  

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If the Brsh of DC motor is shifted by 90 deg, then MNA will shift by --degree.

5 Answers   GATE,

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What is the difference between eath fault protection & Restricted Earth fault Protection?

2 Answers  

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What is the different between digital phase converter and ordinary phase converter?

0 Answers  

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We are using Powerica make 100 KVA DG set. Whenever i connect compressor on DG load (Compressor Make Atlas Copco 5.5 kva) that time we face the lot of fluctuation on Dg output. Can you please suggest me how can prevent this fluctuation?

6 Answers  

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Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

0 Answers  

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Is itnecessary to use capacitor in an Fluorescent Tube Light Fixtures? Why? What if not capacitors are not included?

2 Answers  

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Explain and give examples about VCB?

0 Answers   AZ Engineering, Vodafone,

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Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?

9 Answers   College School Exams Tests,

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 Answers  

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