Can any one explain me about 2 phase motors ?

2 Answers   L&T,

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does buccholz in a transformer use batteries

2 Answers  

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DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

0 Answers   Essar, MahaGenco,

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i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

0 Answers  

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why ELCB's are not useful for operation theater equipments ?

4 Answers   Reliance,

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How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

0 Answers  

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State the points to be considered for selecting a particular type wiring.

0 Answers  

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How the cable size for a motor is decided

14 Answers   NTPC,

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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

0 Answers  

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if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

5 Answers  

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1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

0 Answers  

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What is the Power Plant.

5 Answers   Sail,

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