what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

1 Answers  

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what are the effects when the frequency is decreased in any ac machine

1 Answers  

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How to calculate the current rating of power cables ?

1 Answers  

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How to select AC3 duty contactor for DOL & Star-Delta starters

1 Answers  

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explain all the classes with example

0 Answers  

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what will happen if the secondary of current transformer kept open....

16 Answers   KSEB,

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Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

0 Answers   OEG,

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1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

0 Answers   Bhel,

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why the rotor is outside in case of ceiling fan?

1 Answers   HCL,

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Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

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Why CBCT rating is 50/1A

0 Answers  

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