how we do Vector group ,magnetic balance and tap changer test in Transformer?

0 Answers   Afcons, BSL, HPL,

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What is the general system requirement of alternator?

0 Answers  

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synchronous motor of 13.5MW having which type protection? and how to set relay?give me relay setting calculation for different protection for this motor assume efficiency,power factor and other term if neccecery

1 Answers  

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in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers  

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Why generating voltage is limited up to 22kV?

4 Answers  

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1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

0 Answers  

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A transformer has negative voltage regulation when its load PF is A zero B unity C lagging D leading

1 Answers  

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what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

5 Answers  

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why it is important to earth neutral of 3 phase transformer?

9 Answers   IBM, ITC Indian Tobacco Company, RRB, UDS,

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Why the stator is rotated in ceiling fans not Rator?

3 Answers  

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Diff between power trans and generating transformer?

1 Answers  

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why do transformer humm ??????????

2 Answers  

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