Answer / rabi

Ac-1 contactor is used for "Non-inductive or slightly
inductive loads, resistance furnaces".

Ac-3-contactor is used "Squirrel-cage motors: starting,
switching off motors during run-ning."

Difference between SFU & FSU with advantantages & drawback?

1 Answers  

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Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  

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what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

0 Answers  

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What are the conditions to be satisfied for parallel operation of dc generators?

0 Answers  

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How to size Air Circuit breaker (ACB)? What is the most important factors?

0 Answers   ABC,

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What id difference between power and energy?

0 Answers  

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what is the cable capacity of any load wise .

2 Answers  

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what is the difference between NC & CNC machine.what is the difference between equipment & machine tool

2 Answers  

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

0 Answers  

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what is the power factor of the megnetising component of transformer

1 Answers   Allied Group,

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 Answers  

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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