Answer / lnp

IP stands for Ingress Protection . i.e. Protection against Ingress of solid particles and water. The first Digit indicates solid particles up to 1mm can not enter the equipment and second digit indicates that water sprayed from any directon cannot enter the equipment.

Can we provide 3phase wire in conduit for room?

1 Answers  

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why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

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why phase to phase voltage is 400v while phase to neutral is 220v?

1 Answers  

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If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

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capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

4 Answers   OPS,

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if we are using ACB in a panel the how much clearance do we need in panel room.

2 Answers  

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Two alternators say 1 & 2 are poised to parallel operation. But at the time of paralleing alternator 2 gets out of the system by tripping Earth fault relay. Please send me reply why this is happening?

2 Answers  

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Why r use in the tap changing x' mer.

2 Answers   L&T,

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how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

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Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

6 Answers   Reliance,

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Why is a synchronous motor always star connected??

0 Answers   Bhushan Power Steel,

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Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

1 Answers  

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