Answer / ashish bawa

shunt coil is used for tripping the circuit breaker in auto system

Answer / suresh muthusamy

Shunt coils are normally used to tripping the breaker for internal or external fault.Normally shunt coil is open(Normally open)whenever its get fault that time its closing the shunt coil .once shunt coil is pick up breaker is trip.

Why is a plain induction motor unsuitable for wide speed control?

0 Answers  

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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what is a switchgear. what is its work & where it is used?

5 Answers  

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what is timing for mccb 800A tripping?

1 Answers   L&T,

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Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

0 Answers  

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What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

0 Answers  

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Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

0 Answers   Bajaj,

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how we calculate electricity unit ( meter unit.. for knowing how many charges) from on motor load.?

2 Answers  

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What is meant by class of CT&PT?

1 Answers  

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What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.

1 Answers   Anna University,

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How will you define capacitance?

0 Answers  

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How much load with stand the copper cable by sq mm apro..

1 Answers   L&T, Taj Group,

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