The ultimate secret of good quality electrical transformer

The electrical transformer is a very important powerful equipment for the power transmission line. A good quality transformer can reduce power loss to transmit electricity over long distances. That’s why it is necessary to use advanced technology to maintain quality standards. Moreover, most giant manufacturing companies know about the ultimate secret of good quality electrical transformer production process. So, they invest huge money for research purposes which gives them long-term benefits. The research results are implemented to manufacture electrical transformers which procedure is kept secret from others. The manufacturer uses a plethora of parts to produce a transformer that is sourced from other various renowned companies. Typically, the commercial transformer is kept under the sky in an open space for safety purposes. Because the transformer generates some heat during its operation. So, it can reduce heat through heat sinks in free space. The high voltage transfer size is very bigger than the low voltage transformer. Generally, the electrical transformer can be divided into two categories.

a) Step up transformer – Secondary coil voltage (Output) is more than primary coil (Input) Voltage.

b) Step down transformer – Secondary coil voltage (Output)is less than primary coil (Input) Voltage.

When Ac electricity is sent from one city to another cities, the cable distance may be 100 km to 1000 km or more through the national or electrical grid. Moreover, more electricity become loss during transfer, if transmission voltage remains low in the long-distance cable. However, Generated electricity voltage is normally 440 v. In this case, step up transformer is used to make the voltage higher for example 11kva,33kva,132kva etc. While the voltage level is increased, the current level goes down. By this way, power loss can be kept minimum. Which is very economical as well as convenient. To use this high voltage from national grid, Step down transform is utilized to get low voltage electricity. This step-down transformer makes electricity 440 volt / 220 volt or 110-volt Ac current. Which is necessary power for household electrical equipment. Typically, the main principle of electrical transformer based on faradays law of electromagnetic induction. As per this law, emf will be induced from primary coil to secondary coil while circuit become closed.

Power P = I^2 * R

Always primary and secondary coil turn number are different. Moreover, Primary and Secondary coil power is always constant. Naturally, reputed manufacturers use copper coil to produce good quality electrical transformer. Additionally, copper coil can minimize power loss during operation period. Many types of electrical circuit boards are used to control various operation as well as safety matters. Some big companies make different types of good quality electrical transformer such as siemens, energypac , Mitsubishi electric, Toshiba, ABB etc. They have own reputed factory all over the world.

Power losses in Electrical transformer

Inside the electrical transformer, most of the places are occupied by core winding. Electrical power loss happens inside transformer due to core, winding, transformation of voltage.

Eddy current losses- This current loss is occurred because of changing magnetic field to the transformer metal core.

Mechanical vibration loss- When primary and secondary coil generate magnetic fluctuating force then this mechanical vibration loss is appeared.

Stray losses- Leakage inductance is liable for this loss.

Hysteresis losses- The main reason of this loss is magnetic domains within the metal.

Winding joule losses- During current flow inside core wire, this loss can be observed.