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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 6348

why the rating of transformer in k.v.a

4 5794

why the transformer ratings in kva

NTPC,

8 11672

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

1809

mounting of bucholz relay engle on transformer

4 5692

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

Bhel,

6 8213

What is the function of Buchholz relay in transformer ?

1 10018

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 3588

What is the need of ISOLATION Transformer?

1 4178

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

DEWA,

4963

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

1 8196

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

UPPCL,

2394

if installing the transformer why put the sprit the stone ?

1 3113

explain transformer ct connection?

2018

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

2045




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

2601


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

2284


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

2077


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???

1940


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

2025


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