Answer / karim

Cable Size calculation:

1. Calculate total (maximum) load current.
2. Add extra margine 40-50% in Total Current calculation.
3. Select cable according to current carring capacity from
cable manufacturer manual.

Which one is correct mVA or MVA. Whether both the units are same for the transformer

10 Answers   Areva,

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why we cant use AC supply products in DC supply?

21 Answers  

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If a generator of generating station produces 100MW rated output then what will be the rating of the step-up transformer connected to it?

5 Answers  

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what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

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What is the equipment used to control the generator output?

4 Answers  

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Can i replace Earth leakage relay to the faulty Earth Faulty Relay

0 Answers  

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how does an open delta transformer works

2 Answers  

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How we can calc. the Backup time of a battery Bank???

6 Answers   Emerson,

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what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

0 Answers  

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if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

0 Answers  

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in a live circuit with a light bulb such that the bulb is off by a switch, is the light glows if the switch 2 terminals are both touched by a mouse?

1 Answers  

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what is the acceptable earth resistance value ?

4 Answers  

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