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Pole Transformer History
Pole Transformer History goes way back to the first discoveries regarding the manipulation of electromotive force (EMF) and the principles of induction across two separate, but closely associated windings. Michael Faraday established the "transformer principle" in 1831. This states roughly that current can be induced in a closed circuit whenever a changing electromagnetic field passes through the boundaries of that circuit. This is true whether either or both the circuit or the field is moved or moving. However, the first induction coils to see wide use were introduced in 1836 by Nicholas Callan, an Irishman. These first attempts were based on DC current and depended on a system of making and breaking a flow of DC current. Further advances in Pole Transformer History came in the period from 1830's to the 1870's when advancements through trial and error brought about a greater understanding of the basics on which transformers rely. By the 1880's these principles were well understood. The first actual transformers, built and called by that name, were by three Hungarian engineers; Deri, Blathy and Zipernowsky. It was they who first discovered the necessity of avoiding an air core in order to be capable of regulating voltage. Iron core transformers paved the way to useful applications in lighting technology. These same gentlemen discovered the mathematical formula of transformers and this made it possible to accurately predict the results of any given set of primary and secondary windings and the proportion of incoming to outgoing voltages. It was at this time that Thomas Edison held the prevailing patents on the various designs most practical at the time; those depending on DC current. Unfortunately, DC current had the inauspicious characteristic of not being able to be efficiently distributed over long distances; a decided limitation to the establishment of electrical power as the main tool in homes and industry. A genius named Nikola Tesla happened on the scene at about this time and upset the whole of the then current doctrine as benefited Edison and his monopolistic patents on DC current devices. Tesla discovered a way of rotating an armature wound with coils of wire through a magnetic field. This resulted in a current that varied on a wave pattern that rose and fell. This became known as AC current. By overlapping three currents produced 1/3 of a rotation apart from each other (120 degrees apart) a relatively continuous and overlapping flow could be attained in which electricity could be constantly produced at a much higher potential so that it could carry itself over long distances without being overcome by resistance, as was DC current. It was an elegant application of the transformer principle since it guaranteed constantly changing electromagnetic pulses on which to build an induced current. It did not depend on low output local DC generators and extremely heavy copper lines, as did DC current, and made it possible to create not only vast amounts of current simply by turning a winding through a field, but this current could be produced in such quantity and at such high voltages that resistance would not overcome it. (Resistance is indirectly proportional to the voltage in the line; another of the fundamental discoveries that makes our present system of energy production workable.)
It was here that the existence of
pole transformers and, indeed, many other types of transformers became
mandatory. Pole Transformer History came into its own at this
time. If one were to transform the energy to the high voltages
necessary to overcome resistance over long transmission distances then
something had to be at the other end to convert this energy back down to
usable levels once it arrived at the point of application. Various
intermediate steps are taken to do this, but ultimately, a special
form of local
step
down transformer is needed to bring the voltages to a level designed for
use in homes and businesses.
These are mounted on poles outside said homes and businesses so electricity can be broken free of the much higher transmission voltages in lines passing by and distributed to individual buildings. Thus came about the Pole Mount Transformer and IS Pole Transformer History! Eventually, cities tired of having their electrical lines and transformers displayed prominently in the air, so they began burying their lines and using Pad Mount Transformers, but to this day Pole Mount Transformers are in use in most of the rural areas of the country where they have the advantage of being high and out of the way, and easier to install on poles than to bury. TEMCo is a major supplier of Pole Mount Transformers and Pad Mount Transformers and forwards the tradition of forward-looking development of safe and efficient products compatible with the long history of electrical service development and advancement. TEMCo carries a full line of Pole Transformers, with most products shipped within 24 hours. They not only supply quality transformers, but offer the lowest prices, so call on the team at TEMCo to provide your Pole Transformer and other electrical transformer products! Find out why so many companies rely only on TEMCo!
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