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A loop feed transformer is an electrical device used in power systems to facilitate the connection of multiple power lines, enhancing reliability and efficiency. It allows for the distribution of electricity from two or more sources, enabling supply continuity even if one source fails. This type of transformer is typically employed in distribution networks to improve load balancing and reduce losses. Its design aids in maintaining voltage stability across the connected circuits.
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What does the terminology - radial feed - mean in relationship to transformers?
This terminology usually refers to pad mounted transformers. A "radial feed " transformer is a transformer that has one bushing for the high voltage cable line. The high voltage cable terminates into the transformer through the transformer's bushing. There is no second bushing for the high voltage cable to continue further down the line. This type of transformer is usually on the end of a loop feed circuit. This is different from a "loop feed" transformer whose incoming cables are terminated at the primary bushings. On this type of transformer there is a second bushing which connects to the outgoing primary voltage cables that allows the primary to feed another transformer. Each pad mount transformer's secondary feed usually supplies enough power to connect up to four homes.
What is exciting current in transformer?
Excitation current is the current necessary to "turn on" the transformer so it can be used. It's energy that is lost in the use of the transformer. Most of this loss I believe is associated with the hysterisis loop, although some will be lost as eddy currents.
What are the essential parts of a transformer?
A magnetic core made of iron laminations, forming a closed loop, and two or more coils of copper wire wound to intersect the core.
Can you use 20 kva transformer in a home?
Yes you could use a 20 kva transformer in a home. Stymied as to why it would be done though. You would need at least a 100 amp service to the home to energize the transformer. Primary side of the transformer would draw 83 amps at 240 volts. If the question was to supply the home, again yes. It would be 100 amp service equipment that the transformer would feed into.
Can you use ordinary transformer in place of auto transformer?
yes we can place auto transformer in place of original transformer
