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Parallel Operation of Transformer Video Lecture | Electrical Machines for Electrical Engg. - Electrical Engineering (EE)
FAQs on Parallel Operation of Transformer Video Lecture - Electrical Machines for Electrical Engg. - Electrical Engineering (EE)
| 1. What is parallel operation of transformers? |  |
Ans. Parallel operation of transformers refers to the connection of two or more transformers in parallel to supply a common load. This is done to increase the overall power capacity and provide redundancy in case of a failure of one transformer.
| 2. What are the advantages of parallel operation of transformers? | |
Ans. The advantages of parallel operation of transformers include increased power capacity, improved efficiency, and enhanced flexibility in load management. It also allows for redundancy, as one transformer can take over the load in case of a failure of another transformer.
| 3. How is parallel operation of transformers achieved? | |
Ans. Parallel operation of transformers is achieved by connecting the primary windings of the transformers in parallel to a common source and the secondary windings in parallel to a common load. It is important to ensure that the transformers have the same voltage ratio, impedance, and phase sequence to avoid circulating current and other issues.
| 4. What are the factors to consider when paralleling transformers? | |
Ans. When paralleling transformers, it is important to consider factors such as the voltage ratio, impedance, and phase sequence of the transformers. The transformers should have similar characteristics to ensure proper load sharing and avoid circulating current. Additionally, the transformers should have similar cooling capabilities and be properly synchronized.
| 5. What are the precautions to be taken during parallel operation of transformers? | |
Ans. During parallel operation of transformers, certain precautions must be taken. These include ensuring that the transformers have the same rating and characteristics, properly synchronizing the transformers, and avoiding circulating current by using proper connections and phase angles. It is also important to monitor the load sharing between the transformers and to have a backup plan in case of a failure of one transformer. Regular maintenance and testing of the parallel transformers is also necessary to ensure their proper functioning.
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