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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 12987

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

4 7215

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

4 8062

what happen if transformer neutral not earth

2 7288

How to calculate the Short Circuit Impedance in Transformer?

3 7738

Why DC Currents are not used in transformer?

4 7874

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

2 4788

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 3633

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

2 26679

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

5 13293

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

10 19778

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

1 2801

What are the test performed on A faulty transformer ?

Bhel,

2 5752

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 5309

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

2301




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2481


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

2594


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?

2033


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

2037


Draw the line diagram of diffretial relay connected to transformer?

2381


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

2324


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

4262


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

1947


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

2278


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

2068


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?

1882


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

1934


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

2020


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

1907


what r the checklist while installing 500 kva transformer

2266