Answer / raj patel

no it is not necessary to have marshelling box in 200kva transformer because there are not much control equipment in small transformer like cooling fan, oil pump, etc. auxilaries provided to 200kva transformers are very less so providing marshelling box will increase cost and also affect design criteria of tranformer.

what different in delta & star connection in motor?explain

5 Answers   Bhushan Power Steel, Hyundai, KPCL, L&T,

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i want the formula of total eletical knowledgement

1 Answers  

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Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

0 Answers   ONGC,

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I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 Answers  

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what is hourly consumption of coal in therma plant

2 Answers   NPCIL,

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why we are using starter

5 Answers  

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what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

0 Answers  

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how the phase convertor changes the no. of phases

0 Answers  

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How can we calculate single phase load into three phase load

2 Answers   Jindal, Tanfac,

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Difference between earthing & grounding.?

0 Answers   Nitco,

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

0 Answers   Crown Buildtech,

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 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

1 Answers   Voltas,

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