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Topic :: Transformer





Transformer Interview Questions
Questions Answers Views Company eMail

when we have to purchase the transformer by own i.e how much load will preferred HT connection?

Power Square,

1676

please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

Al Rasikh,

1856

What are the difference between normal application Transformer and Solar application Transformer?

1661

why are transformer rating in MVA

Suzlon,

2 3849

why we use delta connection in transformer

UPPCL,

2 4353

Dyn1 transformer vector group testing how to do

1805

the parts of transformers ?

Bhel, Facility management,

1 3693

750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?

2 3115

How LVDT position transmitter works on DC supply(24vdc) from DCS, whereas transformer operates on AC supply? pls help..

1 2804

What are formula we can apply to determine the HT/LT current of 11KV/433V transformer except KVA/LV×√3. ?

2 37669

Why do we require transformer with less specific weight if supply frequency is increased?

1587

why we use transformers?

1691

what is working parincipal of a ht transformer

Pidilite,

1924

they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 2442

What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

Siemens,

1953




Related Topics


Un-Answered Questions { Transformer }

Difference between PowerPlay transformer and power play reports?

2518


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?

2087


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

2097


Draw the line diagram of diffretial relay connected to transformer?

2440


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

2380


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

4333


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

2001


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

2361


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

2137


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?

1932


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

1985


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

2084


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

1959


what r the checklist while installing 500 kva transformer

2330