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Power Transformers
| Power Rating | 100kva - 40000kva |
| Number of Phase | 3-Phase |
| Cooling Type | Oil Cooled |
| Voltage Ratio | 132kv/33kv, 66kv/33kv, 66kv/11kv, 132kv/11kv, 33kv/11kv |
| Winding Material | Copper |
| Standards | IS-2026 |
| Brand | Electromec |
Power Transformers
Power transformers are crucial electrical devices used in power transmission and distribution systems
to transfer electrical energy between circuits with different voltage levels. They play a fundamental
role in the efficient and safe distribution of electricity across various sectors such as industrial,
commercial, and residential. These transformers operate on the principle of electromagnetic
induction, where alternating current in one coil (the primary winding) induces a varying magnetic field,
which in turn generates a voltage in a second coil (the secondary winding). This process allows for
voltage levels to be stepped up for long-distance transmission or stepped down for safe utilization in
homes and businesses. Power transformers are designed with high efficiency and reliability to meet
the demands of modern electricity grids, ensuring stable and continuous power supply to consumers.
They come in various sizes and configurations depending on the specific application and voltage
requirements of the electrical system.
What are Power Transformers?
- Power transformers are large, essential components of electrical power grids.
- They change the voltage of electricity, either increasing it (stepping up) for efficient longdistance transmission, or decreasing it (stepping down) to make it suitable for homes and businesses.
- They work on the principle of electromagnetic induction, where a changing magnetic field in the primary coil induces a voltage in a secondary coil.
Key Components
- Core: Made of laminated steel to reduce energy losses.
- Windings: Usually copper wound around the core. The primary winding receives power, and the secondary winding delivers the transformed power.
- Insulation: Oil or other insulating materials prevent electrical breakdowns.
- Cooling system: Large transformers often use oil or air for cooling.
They are generally used to either step-up voltage to extremely high levels for long distance
transmission on power lines and are also used in power plants to step up the generated voltage for
transmissions levels.
Power transformers play a critical role in the electrical grid:
- Efficient transmission: Raising the voltage allows electricity to be sent over long distances with minimal losses.
- Matching voltage levels: Transformers ensure that electricity is delivered at the right voltage for different uses.
- Grid stability: They help maintain the stability and reliability of the electrical grid.Oil or other insulating materials prevent electrical breakdowns.