Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

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what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

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pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

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how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

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What is the ladder circuit?

1 Answers   Mitharg Information Systems,

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Between Star-Delta & Star-Star Power transformer which one is efficent for Earth Fault?

10 Answers  

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why commutator are not used in rectification purpose in power electronics?

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What happen when increese more than 50HZ fequincy.

5 Answers  

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break down of electricity is more in summer or in winter ? give reason

4 Answers  

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In a closed circuit if two 5volt power supplier are connected in parrel what is the current direction in tihs circuit?

1 Answers  

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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In an electrical power supply,why if neutral phase of a 3phase supply fail over current occur but if it's single phase supply neutral phase fail low current occur? 

1 Answers  

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