Answer Posted / keshav kumar

electrical works on a.c while electronics works on dc ,
electrical system works with low frequecny nd high
power supply AND electronic system works with high frequecny nd low power supply.

what is th basic difference between a d latch time line and a d flip flop time line???

1978

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What is the necessary and sufficient condition for stability.

1123

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What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

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what is magnetizing and demagnetizing current in generator and motor?

3271

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Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

2941

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1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

8175

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explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

1167

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what is the difference between vector scale and vector diagram?

4448

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Why field rheostat is kept in minimum position?

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How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

2072

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how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

2071

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Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

8069

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2210

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how to changeover ups in this power failur time?

1995

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our industries ht line so power fluctation(once drop of power please rectify causes

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