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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

What should be the dielectric strenght value of transformer oil of 11/0.433KV distribution transformer and 33/11KV tranmission transformer ?

2 6449

why the rating of transformer in k.v.a

4 5958

why the transformer ratings in kva

NTPC,

8 11961

how we can calculate 2 phase welding transformer rating or total power?

1862

mounting of bucholz relay engle on transformer

4 5876

is there any chance to get shock from the transformer oil at the time of maintenance due to its dielectric property. . ?

Bhel,

6 8399

What is the function of Buchholz relay in transformer ?

1 10087

I have 2 Nos of 2500kVA 33/0.415V cast resin transformers. How to decide on ampere rating of HT Panel? Also advise me how many panel RMG i have to consider whether 4 panel ok?

1 3664

What is the need of ISOLATION Transformer?

1 4309

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

DEWA,

5023

A 10 kva ,400v/200V , single phase transformer with 10% leakage impedance draws a steady short -circuit line current of

1 8276

what is the transformer turn ratio formula and give some examples?

UPPCL,

2428

if installing the transformer why put the sprit the stone ?

1 3199

explain transformer ct connection?

2057

why core is useful for a transformer ?and also in its operation ?

2099




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?

2081


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?

2438


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?

1926


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?

1953


what r the checklist while installing 500 kva transformer

2330