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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 34755

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

Adani,

13 28735

What is the use of core in the transformer?

19 51969

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

Electrotherm, JSW,

11 31459

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 10065

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 13272

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

8 21019

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

2092

on what priciple transformer works on?

5 8137

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 8470

what is safety measures of transformers.

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

16 70652

what is the minimum dielectric stregth of transformer oil.

HP,

25 72477

why transformer rating in kva?

7 10790

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 10721

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 8697




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2517


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

2657


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?

2082


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

2092


Draw the line diagram of diffretial relay connected to transformer?

2439


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

2376


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

4323


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

1997


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

2354


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

2134


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?

1927


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

1978


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

2078


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

1954


what r the checklist while installing 500 kva transformer

2330