10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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How to take Transformer oil Break down voltage test?

9 Answers  

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Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

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Why more than 2.5 MVA distribution transformers (secondary is 440V)are not used in india.

1 Answers  

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how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

0 Answers   Asahi, BARC, K-Electric,

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how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

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explain maximum demand factor

1 Answers   Sterling,

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why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

0 Answers  

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different between highvoltage & lowvoltage source

5 Answers  

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What are the different types of hydro schemes?

0 Answers  

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Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

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give me applications of sequence bridges . (used in 3 phase un balanced systems)

0 Answers  

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