how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

0 Answers  

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Explain what is electric traction?

0 Answers  

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How to calculate the size of window A.C. for 200 Sq. ft room?

4 Answers   UltraTech, Voltas,

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plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

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What are the causes ,revers rotation of a kwh meter?

2 Answers  

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Can we perform parallel operation of two transformers when one transformer on load?

3 Answers  

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what is load cell

3 Answers   TATA, Wipro,

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why power factor is lagging and leading(i.e -1to +1)

2 Answers  

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anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

0 Answers  

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which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)

0 Answers   CTS, Jindal,

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How current is reduced in STAR connection?

6 Answers  

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