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Topic :: Transformer
can we connect transformer with star conected secondary to delta connected primary in series?
1 4336What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin
22 101001FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???
10 14221In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?
3 207861KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason
16 38984Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.
1 7915how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.
5 17570
Difference between PowerPlay transformer and power play reports?
All tape of electrical questions Answers tape of motor transformer e.o.t crane
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?
what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.
Draw the line diagram of diffretial relay connected to transformer?
How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.
Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?
how we arrange the hv side with delta connection in case 33/11kv of transformer.
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
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
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?
How is the percentage impedence of a transformer fixed at design stage???
How a capacitor discharge weld power supply works? what is the use of a pulse transformer?
what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?
what r the checklist while installing 500 kva transformer
