Answer / j.kesavan

mostly use in mine site HT motors 3750kw,1750kw,crusher
side thay are using slip ring motors,conveyers using
inductionmotors,coveyers thay are using variable speed
drives.

Answer / ck

In mines generally induction motor is used and a motor is used in mine where there is a danger of explosion

what is the function of potential transformer in s/s

6 Answers  

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1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Phase load inturms of voltag,current & P.F.?

4 Answers   Hero Honda,

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During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

0 Answers   Core Solutions,

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a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

1 Answers   SSC,

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I want to know Electrical Circuit?

0 Answers  

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Explain Continuous and Discrete signals?

0 Answers   UOG,

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what do you understand by dressing a HT/LT pole

1 Answers   Federal Polytechnic Nekede,

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1 HT service how many LT Service

1 Answers  

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can we do the star delta connection of capacitor for 3- phase motor starter.

0 Answers  

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

1 Answers  

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Why 1/3 is used in symmetrical components?

0 Answers   ABB,

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How to earth the star delta connected transformers?

1 Answers   UPPCL,

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