Why does the power consumed is always constant even if a fan speed is altered?

4 Answers  

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why master trip(86) used in eletromagnet?

1 Answers  

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Discuss the effect of sudden loading of an induction motor

0 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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a 25kvar capacitor bank connected to the secondary side of transformer.then why the capacitor draws more current then rated

3 Answers   TATA,

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how gen. load increase or decrease ? what happen with gen on that time

2 Answers  

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what is field flash

4 Answers   Bhel,

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when secondary volts is given how do we find primary volts, turns, amps of primary and secondary given???

1 Answers  

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what is meant by MCB and MCCB? and what its full form?

7 Answers   Bajaj, JHM Hotels,

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what are the current specifications of bus ducts ? i ve seen in IPBD bth 22000 A and 1500 A in 400 kv switchyard . why it is so??

1 Answers  

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How to megger test 11 kV cable and the acceptance IR value

0 Answers   BVG, NFL, ONGC,

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what is the necessity of under ground cables ??

0 Answers  

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