Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

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Is current scalar or vector?

11 Answers  

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what is the speed of the darkness?

3 Answers   Wipro,

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How many kinds of E.L.C.B and how to work E.L.C.B

0 Answers   Accenture,

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how to calculate relay rating for 50kw load

1 Answers   JNU,

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in 400 kv system why should trip both side CB when we give hand trip?

1 Answers   KPTCL, NHPC,

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WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 Answers  

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In Induction machines which type of emf is induced ( statically or dynamically)?

1 Answers  

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WHAT WILL BE THE SPEED OF MOTOR IF NO.OF POLES ON STATOR ARE NOT EQUAL TO NO. OF POLES ON ROTOR.???

4 Answers  

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How many double suspension hardware fittings are required on a double circuit transmission tower?

0 Answers  

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ct connection of energy meter

1 Answers  

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Why battery chargers are use in substation?

5 Answers  

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