A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

0 Answers  

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A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?

3 Answers  

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why PT transformer primary r the grounded?

2 Answers   L&T,

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what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

3 Answers   Mac,

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is it necessarry to charge the battery of ups always??

3 Answers  

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Wat is da difference b/w neutral earthing and unearthed system?

2 Answers  

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What are the conditions for sustained oscillator or what is backhouse criterion?

0 Answers  

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why the all high voltage transformers are in 11kv , 33kv , 66kv, 132kv like that

2 Answers   Bhel,

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why are distributed windings generally used in alternators?

0 Answers  

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what is meant by dielectric breakdown ? where we using HV test kit & what purpose?

3 Answers   ITC Infotech,

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

1 Answers  

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Why the colour of insulator is always is chocolate in colour?

1 Answers   MRF,

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