how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

0 Answers  

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what kvrah y we need to take the readind of that

0 Answers  

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Which are the types of breakers used in High Tension (HT) side?

1 Answers  

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11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

0 Answers  

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Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 Answers  

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if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

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What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

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How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

0 Answers   MSP, Toyo Denki,

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if i have to use 14 kw what size of power cable can i use and size of earth cable also.

2 Answers  

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WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

0 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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what is the maximum current carrying capacity of a 95 sqmm cupper under ground cable laid partialy in land and partialy in ground?

4 Answers  

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