Electrical Engineering (EE) Exam > Electrical Engineering (EE) Videos > Electrical Machines for Electrical Engg. > Construction of Single Phase Transformer
Construction of Single Phase Transformer Video Lecture | Electrical Machines for Electrical Engg. - Electrical Engineering (EE)
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FAQs on Construction of Single Phase Transformer Video Lecture - Electrical Machines for Electrical Engg. - Electrical Engineering (EE)
| 1. What is a single-phase transformer? |  |
Ans. A single-phase transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. It consists of two or more coils, known as winding, which are wound over a common magnetic core.
| 2. What are the primary and secondary windings in a single-phase transformer? | |
Ans. In a single-phase transformer, the primary winding is the coil connected to the input voltage source, while the secondary winding is the coil connected to the load. The primary winding induces a magnetic field in the core, which in turn induces a voltage in the secondary winding.
| 3. How does a single-phase transformer work? | |
Ans. A single-phase transformer works on the principle of electromagnetic induction. When an alternating current flows through the primary winding, it creates a magnetic field in the core. This magnetic field then induces a voltage in the secondary winding, which can be used to power the load connected to it.
| 4. What are the main advantages of using a single-phase transformer? | |
Ans. The main advantages of using a single-phase transformer include efficient energy transfer, voltage regulation, and isolation between the primary and secondary circuits. It allows for the conversion of voltages to match the requirements of different electrical devices and provides electrical safety by isolating the primary and secondary circuits.
| 5. How can the efficiency of a single-phase transformer be improved? | |
Ans. The efficiency of a single-phase transformer can be improved by reducing the resistive losses in the windings. This can be achieved by using high-quality conductors with low resistance and minimizing the length of the winding. Additionally, proper cooling mechanisms such as fans or oil cooling can be employed to dissipate heat and prevent overheating, which can affect the efficiency of the transformer.
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Dec 22, 2024 Last updated |
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