Answer Posted / harish

if rotor speed is greater than stator speed then we get -ve
slip
slip speed =n(synhronous)-n(rotor)

Explain the process of commutation in a dc machine.

1100

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What is the need for a controller?

1280

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Star Delta Diagram with full description

2438

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what is invertor supply and raw powersupply

2165

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why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1893

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Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

2387

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Currently what is the highest capacity (MVA) of SPPg generator available in the market?

1859

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HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

2546

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6340

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quantizer means?

1991

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What is an alternator impedance value?

2905

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How to decide and select the different earthing wire size for the different types of earthing

2330

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why do we use 25kv supply for traction purpose?

1969

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If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

2273

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I want the details about BHEL company examination.Can anyone able to help me please.

2096

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