In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

0 Answers  

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A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

2 Answers  

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What is the acceptance value of leakage current in HI POT test

2 Answers   CPCL,

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what is the diffrence between mcb &elcb?

2 Answers   Kahramaa, Synergy,

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why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 Answers  

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What percentage netural current is in netural depend upon the phase current

1 Answers  

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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

0 Answers  

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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why fan consume constant power even when we increase or decrease its circuit resistance through speed regulator???

2 Answers  

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Is itnecessary to use capacitor in an Fluorescent Tube Light Fixtures? Why? What if not capacitors are not included?

2 Answers  

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does over charging of a battery reduce its life?

4 Answers   KSEB,

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Why capacitor blocks DC current?

2 Answers  

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