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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

what will happen if the secondary of current transformer kept open....

KSEB,

16 34215

What is the maximum size(MVA)of power transformer available in the India/world?

Adani,

13 28216

What is the use of core in the transformer?

19 51345

why transformer is giving some humming noise .....?

Electrotherm, JSW,

11 30959

if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 9897

I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??

6 13037

Wat wil happen if Transformer is operated at 100 HZ Frequency?

8 20747

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

2039

on what priciple transformer works on?

5 7945

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 8322

what is safety measures of transformers.

Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

16 70068

what is the minimum dielectric stregth of transformer oil.

HP,

25 71726

why transformer rating in kva?

7 10526

In stepdown transformer 11/415 volt two nos.(R & Y)HT side fuse is blown ,what will be voltage of ry,rb,yb in secondary side

NTPC,

5 10532

how to add a new dimension in the powerplay transformer.i.e already we have devbeloped one cube. in that we want to add one new dimension cn anybody plese tell me the step by step procedure.

4 8544




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2483


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

2597


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

2282


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?

1887


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

1938


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

2022


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

2269