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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

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transformer losses

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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HOW MANY POLES ARE THERE IN 3 SLOTS PER POLE PER PHASE MOTOR

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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What is the difference between resistance grounding system and resistance earthing system?

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What is the significance of 3.5 core cable ????

8 Answers   Intelux Electronics,

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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING?

1 Answers   L&T,

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the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

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I WOULD LIKE NOW WHY WE CANT USE SOME CT FOR MESARING AND PROTECTION

2 Answers  

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