Answer / balamurugan

online ups no change over time (0 ms)from EB supply to Battery supply. offline ups some mls time to change over from EB supply to battery supply (more or less 3 ms )

diffance between eletrical and eletronics?

3 Answers  

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what is level 2 automation?

0 Answers  

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WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

0 Answers   Birla,

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block diagram of 2 ups system connected in hot stand by mode?

0 Answers  

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Why Capacitor & ignator used in MH lamp

2 Answers   Bell,

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I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

0 Answers  

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what is the speed of electricity?

11 Answers   Bhel,

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In UPS, battery connections if parallel connection given, what will happen?

2 Answers  

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how we provide neutral earth on synchronising panel as per electrical standards?

0 Answers  

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1 Answers  

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Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

0 Answers  

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