The working principle of a power transformer is based on the principles of electromagnetic induction. A power transformer is responsible for either stepping up or stepping down the voltage levels in electrical power transmission and …
The working principle of a distribution transformer is based on the principles of electromagnetic induction. A distribution transformer is used to step down high voltage levels from power grids to lower voltages suitable for distribution …
Several standards govern the design, manufacturing, testing, and maintenance of transformers. These standards ensure the reliability, safety, and performance of transformers in various applications. Here are some commonly recognized transformer standards:
Testing and maintenance are essential aspects of ensuring the reliable and efficient operation of transformers. Transformers play a vital role in electrical power systems, and any failures or malfunctions can have significant consequences. Here are …
A short circuit is an unintended path of low resistance between two points in an electrical circuit. This can occur due to various reasons such as faulty wiring, loose connections, or damage to insulation. To …
Three-phase transformers are widely used in power systems for their efficiency and ability to handle large power loads. However, they can encounter certain problems that require attention and appropriate solutions. Here are some common issues …
Parallel operation of transformers involves connecting two or more transformers together to supply a common load. Parallel operation offers several benefits, including increased capacity, load sharing, redundancy, and improved system reliability. However, it requires careful …
Tap changers are devices used in transformers to adjust the turns ratio between the primary and secondary windings, thereby changing the voltage ratio. They are employed to regulate the voltage levels and compensate for variations …
Transformers generate heat during their operation due to resistive losses in the windings and core. To prevent overheating and ensure the safe and efficient operation of transformers, various cooling methods are employed. The most common …
The vector group of a transformer refers to the arrangement and connection of the transformer windings. It is represented by a combination of letters and numbers, which provide information about the phase shifts and polarities …