Answer / owais

dear first u do calculate you load in watt and then u do
find amp with the help of voltage in the end u have total
amp and your breaker 20% extra

Answer / r k choudhary

first u have to know the input voltage then calculate the
ampere. then suggest the VCB standard rating as per
manufacturer.

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 Answers  

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my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

2 Answers  

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How to calculate wire length,size & current? ( related to control panel)

0 Answers   FSS, GK Controls, Panel Tech,

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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

1 Answers   Wartsila,

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give me battery AH calculation in U P S

1 Answers  

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in case dc we mark as + ve & -ve..but in case a.c. we mark as ph&N...Y LIKE PLZ TELL ME

4 Answers   NPTC, TCS,

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how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?

4 Answers   AAA, Iqra University,

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Can step down transformer works as step up one???

2 Answers  

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R=*¶ l/a

0 Answers  

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what is the purpose of taking HV test in LT panel.

1 Answers   PCE,

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what is thermo stat, explain how its working?

1 Answers  

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WHY LINK NOT A FUSE IN AC CIRCUIT

3 Answers  

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