A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate rotor frequency. A 50 Hz B 0 Hz C 4 Hz D 6 Hz

3 Answers  

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cable selection formulas for electrical load.

1 Answers   Bhel,

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WHAT IS DEAD END IN PROTECTION?

0 Answers   Ispat, L&T,

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Explain Clearly Pahase and Neutral?

7 Answers  

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What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

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How are load losses and no-load losses measured at site in a DG set?

0 Answers  

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if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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For 7.5kw star delta starter how to calculate 1. Mccb rating 2. Contactor rating 3. Over load relay rating

1 Answers   L&T, MAHINDRA,

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Why auxiliary transformers are not connected in parallel in primary stations?

0 Answers   Adweb,

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The shot circuit in any winding of transformer result? Explain

0 Answers  

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HOW TO DO GRID EARTHING IN INDUSTRIES FOR A PRODUCTION BUILDING

3 Answers   Timken,

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How is earthing done in Aerospace applications such as Flights and spaceships..?

1 Answers  

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