Please help me.What are the difference between two wire, 3wire, and 4 wire in electric meter?

3 Answers  

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what is the difference b/w ground & virtual ground?

0 Answers   Accenture,

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what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 Answers  

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what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers  

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why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

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Why is the frequency not changed during transformation of electrical energy in a transformer?

0 Answers  

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How can get electrical "c" licence.I am complited in Deee.Passing year of 1993.Working in pvt cocern lt Line.Please advise me .Cell no 9994786021

59 Answers   Apollo Power, Chemplast, Christy Quality Foods, ITI, Mani Associates, Microtech Engineering, TAFE, Tamil Nadu Power Company, TechSun Energies, Thermax,

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When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

0 Answers  

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What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

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in case of transformer the power factor is depend on input or the output

1 Answers  

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define as synchronous generator

0 Answers   Enercon,

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What is SNMP Card Monitoring in UPS???

2 Answers   Emerson, MAA, SNMP,

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