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.

What is effect of low pf on HT supply.

6 Answers  

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WHAT IS DC COMPONENT IN CIRCUIT BREAKER?

10 Answers  

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What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

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What happen if you keep open the Neutral Grounding Switch in open condition of the HT Generator at starting and again on load if it open then?

1 Answers  

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in case dc we mark as + ve & -ve..but in case a.c. we mark as ph&N...Y LIKE PLZ TELL ME

4 Answers   NPTC, TCS,

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what is bus coupler, where it used.

14 Answers   Diebold,

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if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

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Why we use duplex coil and hook switch in telephone system?

0 Answers  

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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why single CT used in DOL starter power circuit?

0 Answers  

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What is Tan Delta Test

1 Answers   Power Grid,

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