Why should we use Star-Delta connection in step down power
transformers?
Answer Posted / pkv
actually delta star trnasformer used in step down
trnasformer to avoid earthfault give effect of over
current on hv side of the trnaformer
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.
What are the basic & Majour problems in UPS ?
How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?
How will polarity test of Dy5 Transformer ?
what is the illumination level required for child play area?
what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking
how to increase senstivity of ct
State nyquist stability criterion.
In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
How to work E.L.C.B and how to connect in circuit.
What are the main parts of central chiller plant? Explain the function of each stage.
what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?
How to calculate the heat load for a electrical room
State norton’s theorem?