what is the principle of switch gear? where its function ?

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what is the contact resistance of vacume circuit breaker??

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WHAT IS THE DIFFERENCE B/W THREE POINT STARTER AND FOUR POINT STARTER

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What is the emf equation of a transformer?

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

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What is distance between electrical panel to land ?

0 Answers   Fresher,

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

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what are the electrical components required for run the motor pump including safety components plz explain it how we can use such components .

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In brushless excitation system how generator field current is measure even if the slip rings are absent?

3 Answers   Adani,

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What do you mean by reach and reach the point of the relay?

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How to calculate ht side cable of 630 kva oil cooled outdoor transformer?

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why do harmonics generata?

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