Why the cores of large transformers build up of circular cross section?

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which is the most common harmonics 3rd,5th,7th affect the systegm

4 Answers  

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

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What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

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if i have one capacitor=80 micro farad which correct the unity power factor,but i want to make capacitor bank who correct the power factor.so,how to split this capacitance value?

2 Answers  

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a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

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How energy is generated in hydroelectric power plant?

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how do we calculate of transformer in va?what is calculation?

2 Answers  

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Find the octal equivalent for the binary number 101101110

1 Answers   Ecil,

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what is the difference between high impedance & low impedance

1 Answers   L&T,

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why single CT used in DOL starter power circuit?

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