Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

What are the two basic types of transformers?

631

What is the coefficient expansion of transformer oil?

638

Explain what is the difference between powerplay transformer and power play reports?

642

why do we put a transformer on soak before loading it

660

Distinguish between cognos dynamic cube and transformer/tm1 cube and powerplay cube?

1

What are the reasons for the parallel operation of transformers?

626

What are the advantages of autotransformer?

765

Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

724

What are the disadvantages of autotransformer?

654

What are the applications of autotransformers?

641

How many types of losses occur in a transformer?

698

What is a single phase autotransformer?

647

Why do we perform an open-circuit test and short-circuit test on the transformer?

638

What is the use of hoursfromtime() function in transformer stage in datastage?

586

What is the GI Earth Flat Size recomended for 33KV 2000KVA Distribution Transformer

1 1071




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2074


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

2118


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?

1617


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

1611


Draw the line diagram of diffretial relay connected to transformer?

1971






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

1872


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

3849


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

1550


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

1769


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

1628


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?

1475


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

1506


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

1581


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

1490


what r the checklist while installing 500 kva transformer

1811