WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

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Define sensitivity?

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What is the normal phase difference between the voltage and the no-load current in a transformer?

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In winding design, the angle of chording (β) is nearly equal to A 45 degree B 60 degree C 30 degree D 90 degree

1 Answers   Reliance,

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what is the differents and advantages of Electro magnetics relay and static relay ? what is the numerical relay ? advatages?......

7 Answers   CAT, L&T, TCS,

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In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

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Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?

1 Answers  

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what is the funtion of conservator in transformers?

7 Answers  

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how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 Answers  

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in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

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what is mean by busbar and what is the difference between busbar,transmissionline,feeder,distribution line

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How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?

12 Answers   Bajaj, Eagle, Godawari Power and Ispat, Havells, L&T, Mascot, Polycab, SGML, Sterling Wilson,

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