Question
Download Solution PDFWhich of the following factors will not affect the choice of connection during operation of a 3-phase transformer?
This question was previously asked in
MPPGCL JE Electrical 01 June 2024 Shift 1 Official Paper
Answer (Detailed Solution Below)
Option 3 : Series operation of the transformer
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Detailed Solution
Download Solution PDFExplanation:
Which of the following factors will not affect the choice of connection during operation of a 3-phase transformer?
Series operation of the transformer does not affect the choice of connection of a 3-phase transformer.
Detailed Solution:
When we consider the connection options of a 3-phase transformer, there are many factors that affect this decision. Let us understand these factors in detail:
1. Operation under fault condition:
The performance of the transformer under fault condition is important. It is necessary to consider which connection can protect the transformer under fault condition and help in clearing the fault. Thus, it is an important factor that affects the choice of connection.
2. Economic consideration:
Cost is also important while choosing the connection option of a transformer. Construction and maintenance of different types of connections may involve different costs. Therefore, economic reasons are also an important factor that influences this decision.
3. Series operation of the transformer:
Series operation of the transformer has no effect on the connection choice. In series operation, several transformers are connected one after the other, and it has no direct relation with the type of connection. Therefore, this factor does not affect the choice of connection.
4. Parallel operation of the transformer:
In parallel operation, transformers are connected in parallel so that they can work together. To ensure that the transformers work properly in parallel, their connection must be selected correctly. Therefore, parallel operation is also an important factor that influences the choice of connection.
Following are other important factors affecting the choice of connection of a 3-phase transformer:
- Nature of load: The type of connection also depends on the nature of the load. For example, different connections may be suitable for balanced and unbalanced loads.
- Voltage levels: Different voltage levels may require different types of connections.
- Safety: The type of connection may also affect the safety of the transformer and associated equipment.
Conclusion:
Series operation of the transformer is the only factor that does not affect the choice of connection of a 3-phase transformer. Other factors such as operation under fault conditions, economic reasons, and parallel operation are important and affect the choice of connection.
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