Answer / prabhakar jha

duty cycle is a torque vs time veriation..generally we r using 10 duty cycle.

we have 1000 litre water tank,it located at 25m hight from ground level,the water level on 10m below from ground level.for fill the tank within 1 hour,how much of motor rating(HP) want to select?

0 Answers  

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

0 Answers  

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how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 Answers  

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in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

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is high voltage or high current is danger

16 Answers   L&T,

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What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

0 Answers   SCS,

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why contactor not provided between output of VFD and motor?

6 Answers   Siemens,

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what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

3 Answers   Mac,

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why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 Answers  

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Technical equations

1 Answers   ME,

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how many desk top computer can connect to a 25kva 3phase generator?

1 Answers  

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line diagram for mcb , mccb , rccb .

1 Answers  

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