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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?

1943

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

ERWAT,

1 3023

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

1 6102

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

Cap Gemini,

2630

what is the condition of transformer parallel operation ?

BEDL,

3 10866

where connected OLTC for transformers?

Apollo, CBRE,

3 7480

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

2934

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

1 5723

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

2714

what is difference between invoke & transformers 

5 14013

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 5371

Transformer calculation

Aramco, LMW Lakshmi Machine Works Limited,

1 7480

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,

2586

transformer works only on

RRB,

6 13461

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,

2987




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