Three phase transformers are being used more and more every day by small industrial companies and farms to keep their costs low and their equipment efficient and in good shape. Three phase electricity is cheaper and more productive in industry and farming, especially in what is related to electrical motors being used for different manufacturing processes. It is so versatile that you can even reduce your home electric bill if your place of business is located at your home. Typically carpenters have three phase transformers installed in their place of business because they require so many different sizes of motors for for all their various equipment and tools.
Carpenters buy used table or pole mounted transformers to bring the three phases into their shops. They use this energy to run their saws with ten horse power engines, the lathe and electric drill run with five or ten horse power electric engines too. This energy has the particular characteristic that it creates a magnetic flow which allows the larger motors to work for endless hours without heating up or burning down. This allows them to work with their equipment for hours without worry. Single or double phase motors heat up and lose their power after a while needing the replacement of carbons and bushings.
Three phase transformers that have been discarded by large industrial companies are not expensive to buy when used. These large companies have to change them in good conditions due to insurance regulations, in much the same way that car rental companies have to sell their cars after a certain amount of time because the insurance mandates this as per their policy. It does not matter if the car is in good shape or not, the same thing happens to these industrial transformers, even if they are okay they have to be sold.
A qualified electrician is necessary to determine the life that the electrical transformer has in it, this is done by measuring output transformer primary current, this information tells the electrician what the life span of the equipment is and if it is worth buying for the price asked for it. Three phase transformers can have their lives extended for some time with a simple oil and transformer bushings change. Even if the expected life of the transformer is not much; it will do for a home workshop because even if the carpenter or farmer uses all his electric equipment at the same time he will not be overloading the transformer anyways. It will help him and other small industry owners to save some money by not using simple or double phase electricity.
They will also save the state some money because they will be buying cheaper and easier to transport electricity. Three phase transformers bought off the counter are not cheap but they pay for themselves in cost saving very soon after purchasing them. Governments all over the world should incentive small business owners to change to using three phase current; it would save money and help protect the environment.
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