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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

what is the use of vector group in transformer. means what r the application of various vector groups?

5 13409

sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 7600

what is the difference between power transformer & distribution transformer and what are their ratings respectively?

4 8379

what happen if transformer neutral not earth

2 7599

How to calculate the Short Circuit Impedance in Transformer?

3 8001

Why DC Currents are not used in transformer?

4 8250

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 4982

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 3807

What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 26965

what is the diff. between power transformer & distribution transformer.....

5 13809

what will happen if we give a dc supply to a transformer.?

10 20551

What is a pulse transformer?? Can it be called as a dc transformer??

1 2965

What are the test performed on A faulty transformer ?

Bhel,

2 5978

is the secondary voltage of current transformer greater than primary voltage,,,,,,,,] give the example with ct burden,current ratio,and primary and secondary side voltage?

2 5563

describe the constructional features of an auto transformer and its principle operation

2410




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2565


All tape of electrical questions Answers tape of motor transformer e.o.t crane

2703


If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2127


what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

2133


Draw the line diagram of diffretial relay connected to transformer?

2500


How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

2438


Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

4398


how we arrange the hv side with delta connection in case 33/11kv of transformer.

2049


what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

2425


i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2213


what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1991


How is the percentage impedence of a transformer fixed at design stage???

2027


How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

2127


what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

2008


what r the checklist while installing 500 kva transformer

2400