about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ?
NTPC,
2 6686why neutral and body earthing of transformers kept separated? what is distance between two is required as per is?
6 28810In one village i have seen Earthing transformer's earthing line was also connected to the Transformer body to ground the transformer,can it be possible to maintain 0Volt reutral line this way?
2 5221transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?
Bhel,
20481. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?
2 11067I HAVE A 1 MVA TRANSFORMER, I WANT TO KNOW THE FAULT LEVEL OF THE SYSTEM ( WHAT IS FAULT LEVEL PLEASE EXPLAIN WITH EXAMPLE)
5 23780what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?
3 14028
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