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Types of Transformer and its purpose Ultimate Guide | 2023

Types of Transformer and its purpose Ultimate Guide | 2023

A transformer is an inductive electrical device. Transformers are divided into types of transformer there and their purpose about briefly explained in this article. for changing the voltage of an alternating current. A transformer consists of two magnetically coupled coils. The alternative current in one coil (called the “primary”) creates a changing magnetic field which induces a current in the second coil (called the “secondary”).

The main purpose of a transformer is to transfer electrical energy from one alternating-current circuit to other circuits or multiple circuits through the process of electromagnetic induction. Transformers are also used by companies for generating electricity. Emergency generator rentals are beneficial for places in the event of a power outage, ensuring that daily operations and activities can continue uninterrupted.

 A transformer works at the principle of electromagnetic induction to step up or step down voltage. The transformer either increases AC voltage (Step-up transformer) or decreases AC voltage (Step-down transformer). The transformer’s purpose is maintained and utilized within The device is primarily responsible for the transmission and distribution of alternating current energy, and it serves to regulate the voltage. Various Transformers using all industries have to maintain a proper lifetime.

There are numerous Purposes of Transformer available that can be utilized for numerous distinctive uses across a wide array of industries. It includes sensitive electronic equipment, heavy-duty industrial machinery, and low and high-voltage requirements. The majorly using types follow as:

Types of Transformer:

  • Autotransformer.
  • Industrial control transformer.
  • Isolation transformer.
  • Medium voltage control transformer.
  • Power transformer.
  • Step-up transformer.
  • Step-down transformer.

1. Auto Transformer:


Autotransformer are often utilized in power applications to connect systems operating at different voltage levels, such as 132 kV to 66 kV for transmission. The autotransformer is employed to reduce the incoming high voltage to the next lower voltage level; for instance, an incoming 400 kV would be transformed down to 220 kV.

2. Industrial Control Transformer:

Industrial control transformers

A Control Transformer, also known as an Industrial Control types of Transformers, is used to adjust the voltage level between circuits. It is mostly employed in machine tools, mechanical equipment, electrical control lighting and indicator power supply, in order to provide power conversion.

3. Isolation Transformer:

Isolation Transformers

A “Isolation Transformer” is a device used for transferring electrical power from an alternating current (AC) source to some equipment or device, while isolating the powered item from the energy supply. Typically employed for safety purposes or to minimize transients and harmonics.

4. Medium Voltage Control Transformer:

Medium Voltage Control Transformers

Medium Voltage Control Power Transformers (CPT) are single-phase transformers using supply control power in medium voltage switchgear and transformers. Nominal primary voltages range from 2.4kV to 15kV. The secondary voltage is configured for 120/240V.This is one of types.

5. Power Transformer:

Power Transformers

The power transformer is an incredibly prevalent transformer, particularly in terms of its application in increasing and decreasing voltages at electricity generating and distributing stations. It is widely employed for these purposes.

6. Step-up Transformer:

Step-up Transformer

Step-up transformers use electronic equipment like inverters, batteries & stabilizers to balance the low voltage to the higher voltage in the Transformers. It is also the purpose of electrical power transmission.

7. Step-Down Transformer:

Step down transformer

A transformer designed to decrease the voltage from primary to secondary is known as a step-down transformer. The function of the step-down like types of transformers are to convert high voltage from the primary coil into low voltage in the secondary coil.

Purpose of Transformer:

  • Transformer is an electrical device that helps to distribute electrical energy evenly among multiple circuits.
  • It helps to increase or decrease the voltage in the original circuit.
  • A transformer is a machine that helps to avoid the wastage of energy by the direct flowing of current. 
  • It is efficient for the high-frequency range.
  • It gives good mechanical strength.
  • Transformers are to reduce power loss during power transmission.

Transformer is an electronic devices. It can raise the voltage from electric generators to help transmit power over long distances. Purpose of Transformers in our lives because they help regulate the alternating current and deliver consistent electricity. Hence types of transformer and purpose of transformer wise get information.

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