why dc is used in control circuit for mv & hv switchgear instead of ac

0 Answers  

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which surface is suitable for NEUTRAL GROUNDING ?

1 Answers   NTPC,

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How many types of instrument cables are there?

0 Answers  

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What are the effects to a distribution transformer rated 10Kv with ratio 10Kv/0.433Kv, 3phase 50hz for example but fed with power supply of 11Kv?

2 Answers  

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How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

0 Answers  

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how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me

0 Answers   ONGC,

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List any four conventional sources of energy.

1 Answers  

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how to find the multiplication factor for digital energy meter and analog energy meter

0 Answers  

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How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

0 Answers   Automobile, Siddhi Vinayak,

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what is meant by armature reaction?

13 Answers  

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Safety measures in air circuit breaker

5 Answers   Megatron Solutions, TCS,

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salam,hi, i need to know what the spesification of 300amp msb...

0 Answers  

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