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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

why transformer rated in KVA not in KW ? we know that W= v*i

6 9301

My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?

6 8857

WHY TRANSFORMERS ARE RATED IN 11KV 22KV 33KV Instead off 10kv 20kv 30kv

5 22641

WHAT IS PRINCIPLE OF TRANSFORMER

10 11568

Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters

5 12904

In a three phase transformer(delta/star connected)when i touch one end of the bulb in any one phase and other end to earth..will the bulb glow or not..if not why?..i'm touching the bulb in star connected side...

6 8996

importance of air gap in transformer

5 11639


motor and transformer working with same principle so why motor rotor was roted and transformer not roted

ABB, Suzlon,

9 14057

If the load of transformer is getting more than its rating,,,than how to overcome this problem? Suppose thee rating of transformer is 315kva and the load is going beyond than the rating say around load: 352kva... Than how can we solve this problem without deducting the load.

Hyundai,

14 22847

how to calculate optimum loading for transformer?

6 21868

what is impedence (Z) of transformer, what indicate in transformer , which perameter indicate in transformer

CTS, Suzlon,

5 12748

Motor and transformer working with same principle so why motor rotates while transformer not?

7 10717

I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 7808

In a Dyn11 transformer, how are the 3 windings of the delta connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3 windings on the HV side.

3 7349




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2485


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

2600


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?

2035


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

2039


Draw the line diagram of diffretial relay connected to transformer?

2385


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

2327


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

4266


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

1949


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

2283


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

2075


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?

1889


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

1939


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

2023


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

2270