Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

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What is acsr cable and where we use it?

0 Answers  

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What is the type of earth fault protection used in battery? explain.

0 Answers   PSEB,

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why the carbon brushes are used heat created rotating parts in eiectricity

1 Answers  

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What are the different methodes for calculating the short circuit Current?

0 Answers   Equate,

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1.what is bus cuplour and main funtions. 2.what is main function of alternator. 3.how many types of dg oils.

11 Answers   Bhel,

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why eee branch?

1 Answers   TCS,

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What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

0 Answers  

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for compensate 315mh inductance ,how many capaciance required?

1 Answers   Mitsubishi,

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  

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hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

0 Answers  

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what is the purpose of starter in tube light?what is it operation .

1 Answers  

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