What is class 2 coordination ?

2 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1 Answers   BSNL,

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We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 Answers  

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What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

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How to calculate phase to phase difference in 33KV Line ,11KV Line etc.

1 Answers  

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IS it possible for a feedbacksurge to travel over a wireless connection?

1 Answers   HP,

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Explain the operation of grid connected central solar inverter ?

0 Answers  

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how to set relay setting? and example calculation...

0 Answers   JSW,

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Why C.T secondary s2 done earthing?

4 Answers  

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