Answer / nagesh.patwari

Yes there's a thumb rule for cable size calculation for 1sqmm Aluminum cable can carry 2Amps and 1 Sqmm Copper wire can carry 4 Amps.

However the cable size increase above 100 Sqmm this thumb rule can not be considered. You need to refer the cable size calculation chart.

which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it

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What is differential relay ? where it can be used?

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1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

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What are the conditions for sustained oscillator or what is backhouse criterion?

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

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what happen if turbine trip ,g.c.b not open and excitation on condition?

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How to find out damper winding failure for synchronous machine?

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how we can measure the dc current instead of clamp meter ?

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can any one list the class-a, class-b & class-c trips of power generator?

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what is Anti-pumping?

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3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

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