Why is it not possible to operate a star-delta transformer
in parallel with delta-delta transformer?
Answer Posted / sandeep
It is quite possible to operate two transformer in parallel, but condition is both must have same voltage. Here at one side of transformer there is voltage difference with the factor of (3)^1/3 and circulating current will flow at one side of the transformer leading to the increased ohmic losses and thereby efficiency decreases.
Is This Answer Correct ? | 14 Yes | 3 No |
Post New Answer View All Answers
what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering
how choose conductor&depending upon load
whats the application of voltage regulation? and whats the voltage regulation's device?
Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m
What are hrc fuses and where it is used?
What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?
why the NGR (neutral grounding resistor) always OFF during DG off?
1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve
I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.
1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.
What are reasond for high wattage in single phase induction motors
I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
How many types oil using in transformer ? How many letars using in transformer..?
Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.