while we select CT, why the CT ratio is divided by 5?? ex:250/5,15VA,CLASS-1 CT.Why it is divided by 5??Help me please

2 Answers  

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What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

0 Answers  

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What are the different types of testing in ht cables?

3 Answers  

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How loading get increased in generator not the speed, while we increasing steam to turbine.

2 Answers  

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I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

0 Answers  

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For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,

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Difference between ups

32 Answers   Emerson, Tata Power,

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How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

0 Answers   TCS,

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i have a motor 55kw how u will calculate cable specification for this motor

1 Answers  

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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

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Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

0 Answers  

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What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

5 Answers   NTPC,

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