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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1898

what could be the reason of a burnt current transformer in an electrical panel

ERWAT,

1 2923

What is the difference Marshaling box and RTCC (Relay tap changer circuit) Panel of transformer ?

1 5989

If you take 10 transformers in a try sequence, in which order error will be executed in the sequence?

Cap Gemini,

2574

what is the condition of transformer parallel operation ?

BEDL,

3 10703

where connected OLTC for transformers?

Apollo, CBRE,

3 7295

what will be project cost for 100 kv transformer connection under oyt scheme.

2881

what is the voltage level which is used in transformer short circuit test

1 5627

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2674

what is difference between invoke & transformers 

5 13790

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 5293

Transformer calculation

Aramco, LMW Lakshmi Machine Works Limited,

1 7390

for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

SCCL,

2532

transformer works only on

RRB,

6 13243

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

Gujarat Electricity Board,

2943




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

2598


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?

1888


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