formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

0 Answers  

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what is interlocing and what is the purpose of this?

4 Answers   L&T,

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WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?

2 Answers  

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

0 Answers  

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What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

0 Answers   PNG Power,

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why is the number of turns different in current and potential coils of wattmeter..?

1 Answers  

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what is rated current and operating current?

3 Answers  

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how to calculate knee point voltage for pt?

1 Answers   Amec,

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how bucchos relay works in a transformer

8 Answers   Indeco,

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Do inductive loads have distorted current waveforms ?

0 Answers  

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how to calculate the current carring capacity of the conductor

1 Answers  

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what will happen if a cw rotating altenator being synchronized to ccw rotating altenator

2 Answers  

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