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.

What is Partial Discharge test .Please specify that this test can be test on 11/0.433 KV,630 KVA Transformer.

1 Answers   NBCC,

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how to difference between the HT&LT cables

1 Answers   L&T,

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What is a neutral

4 Answers   Adani Ports, Dr Reddys,

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What are thermo couple cables and where they are used.

2 Answers  

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The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2

3 Answers   Sona,

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Explain the working of variable frequency transformer?

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Slip at maximum torque depends on A rotor resistance and reactance B stator reactance C load current D stator resistance

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What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

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The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

0 Answers  

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what is the use of tertiary winding?

2 Answers  

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To have variable speeds we use a. Induction motor b. Traction motor c. Shunt motor

1 Answers  

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Explain the Term in CT Name Plate – Class: 5Ps

3 Answers   Divis Laboratories,

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