Answer / c.s.padmanabhan

Adding total three phase KVA and total single phase KVA(without dividing by 3)will give net KVA demanded from the transformer.

Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

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Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

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Is there any abbrevation for STUB in Stub bus protection

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

1 Answers   TVS,

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what is the maintain in ACB,VCB,MCB,MCCB breakers?

4 Answers   CTS,

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Hi,My name is ranms i want to know the machine vibration related problems.post me if any body knows. 1) Possible causes of machine horizontal vibration high? 2) Possible causes of machine vertical vibration high? 3) Possible causes of machine axial vibration high?

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how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

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what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?

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how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?

5 Answers  

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

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