What is meant by soft starter used in motors?

4 Answers  

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How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  

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what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

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what is grounding & what is the value of groumding rod 2.5m?

3 Answers  

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pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

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What is C-factor?why it is required to consider in fault short circuit calculations?

2 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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how to choose the cable rating for load (KW)? EXAMPLE.50KW load

14 Answers   ACC, NCUI, Polycab, PowerSol, Siemens, SW,

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What is x/r ratio?

1 Answers  

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why holding contact is not using in VCB and ACB breakers?

1 Answers   Cethar,

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what is tha online tapping and offline tappchange? which side connected primary or secondary and explain ?

4 Answers   Essar,

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what is the difference b/w low voltage motors & medium voltage motors

1 Answers  

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