Answer Posted / ziauddin

if 220v dc supply is given to 1-p fan of 220v then the emf produced is zero n there are no flux ploduced by the magnet n torque wich is used to rotate fan is also zero hence it leads to burning f winding

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

1664

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Refernce currents are to be generated using refernce cueernts how can this be done

2320

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Why the field rheostat is adjusted such that the voltmeter reads 380V

2352

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what is (+) and (-) in generator field detector stand for?

1894

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kindly send me 11KV MV motor differential protection procedure by primary injection method.

1495

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Which Class insulation is prefered for the sandwich Busducts ? Why?

2082

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What are the different types of controllers?

1134

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How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1966

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how does ELR works? explain

2778

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for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

1240

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What the difference between ac and dc inductor an capacitor

2554

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Load transfer in 11kv double busbar switchgear - operation.

2012

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

2300

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Phase control and integral control are used for?

2396

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What is mean by hot and cold loop testing?

1155

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