plants where electricity is produced to the consumer end, voltage is increased and decreased to keep the power flow in control. A distribution transformer is the last device in the power grid where the voltage transformation happens. It is a step-down transformer used for distributing electricity for consumption. At Servokon, we provide a massive range of distribution transformers from low voltage 380 V to high voltage class of 66 kV. These have the capacity of 25 KVA to 10 MVA, Oil Natural Air Natural (ONAN) cooling, and on-load tap changers.
Understanding Distribution Transformer
A distribution transformer is an assembly of core windings, insulating medium, radiators, safety components like bushing, conservator, Buchholz relay, indicator gauges, tap changers and terminals. It receives high voltage power from the power production units and converts it into low voltage power to a safe level. It is mounted on the poles or placed on the concrete. These have single-phase or three-phase power supply configuration.
How It Works
The distribution transformer works based on the principle of Faraday’s Law of Induction. These have windings- primary and secondary. The primary winding has more turns than the secondary windings. The ratio of turns between these windings is called the turns ratio. When the alternating current (AC) flows through the primary winding, it induces a voltage in the secondary coil. Turns ratio comes into play to step down the voltage passing through the secondary coil.
Applications of Distribution Transformer
The applications of distribution transformer depend on the voltage class, power ratings, phases of power and safety considerations. There are many types of distribution transformers, such as oil-immersed, dry type, pole-mounted and pad-mounted. The distribution transformer is used for:
- 1. Residential areas
- 2. Hospitals
- 3. Schools
- 4. Industries
- 5. Commercial Buildings
- 6. Public Offices
- 7. Entertainment Sites
- 8. Construction Sites
- 9. Renewable Energy Units
- 10. Microgrids
Conclusion
Given the essential use of distribution transformers, they can be found at every nook and corner of the urban, semi-urban and rural areas. Without them, imagining a functional electrical grid is not possible. These are configured in highly safe and efficient assemblies with quality-tested components. There are national and international bodies that set the standard protocols and guidelines for the production, installation and maintenance of these devices to ensure consumer and worker safety.
If you want to buy a distribution transformer from Servokon, reach our support team.
