Different Applications of Transformers

While there are different types of transformers, they all operate on the same principle which is electromagnetic induction. The applications of these transformers will vary according to the requirements of your system. The most common applications you will come across are stepping up or stepping down the current or voltage. This takes place in power plants, substations etc.

The main objective of electrical transformers is increasing or decreasing the AC voltage level all the while keeping frequency and power constant. The reason that AC transmission is preferred over DC is that there is a very high initial cost for DC transmission. You will not be able to operate a transformer on DC power. You will find small size transformers used for VVVF, CVCF and UPS. The efficiency of the transformer increases as shunt reactors are able to absorb any reactive power in cables. X-ray power supply used for medical purposes use high frequency transformers. These high frequency transformers are also used for high frequency power supply devices and welding machines. For high speed motors and generators, you can use rotary transformers. These can also be used for axial gap generators.

You will come across so many instrument transformers in electrical networks. Potential transformers or voltage transformers can be used to reduce or step down a high primary current and voltage. This can be converted to a lower current and voltage level. A transfer can lower or raise the level of AC voltage which is something that is used in distribution ad power transformers. This is what contributes to the distribution of electrical power in a power plant. At the side of power generation, a power transformer will step up the voltage level before it is transmitted and distributed. This contributes to the increase of voltage generated in a power plant. In a distribution centre, you will find a distribution transformer that will reduce or step-down the voltage level so that electricity can be safely used for domestic and commercial purposes.

Some of the transformers used in a typical power system are potential transformers, auto transformers and current transformers. Many industrial units use transformers as they work a lot with production lines and electrical supplies. The voltage levels can be regulated by the transformers. Depending on the equipment you use, the voltage distributed will differ. You can find custom industrial transformers that are manufactured according to the different requirements of the clients. These custom transformers can bear harsh voltage conditions. It is very important that the transformer you choose suits your applications perfectly so that they perform at an optimum level.  Medium sized industrial operations use rectifier transformers that have a built in voltage regulation unit. Converter transformers have a wide scope of applications from blast furnaces, rolling stock to pumping stations. These come with two secondary windings with the extra winding filtering the harmonics. These converter transformers can be custom made by a transformer manufacturer to suit harsh environmental conditions. Furnace transformers can also work ina variety of different conditions.

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