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Which of the following is the main advantage of an auto-transformer over a two winding transformer ?
- a)hysteresis losses are reduced
- b)saving in winding material
- c)copper losses are negligible
- d)eddy losses are totally eliminated
Correct answer is option 'B'. Can you explain this answer?
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Which of the following is the main advantage of an auto-transformer ov...
Advantages of an Auto-Transformer over a Two Winding Transformer:
Saving in Winding Material:
- One of the main advantages of an auto-transformer over a two winding transformer is the saving in winding material.
- In an auto-transformer, a part of the winding is common to both the primary and secondary sides, leading to fewer turns of wire being required compared to a two winding transformer.
- This results in cost savings and reduced size and weight of the transformer.
Hysteresis Losses:
- While hysteresis losses are not directly related to the type of transformer, an auto-transformer does not offer any specific advantage in reducing hysteresis losses compared to a two winding transformer.
Copper Losses:
- Copper losses in an auto-transformer are generally lower than in a two winding transformer due to the reduced length of winding required.
- However, this advantage is primarily a result of the saving in winding material, rather than a specific advantage of an auto-transformer design.
Eddy Losses:
- Eddy current losses are not totally eliminated in an auto-transformer compared to a two winding transformer.
- Both types of transformers can experience eddy current losses depending on the design and construction of the transformer.
In conclusion, the main advantage of an auto-transformer over a two winding transformer is the saving in winding material, leading to cost savings, reduced size, and weight of the transformer. Other factors such as copper losses and hysteresis losses may be influenced by the design and construction of the transformer rather than the specific type of transformer being used.
Saving in Winding Material:
- One of the main advantages of an auto-transformer over a two winding transformer is the saving in winding material.
- In an auto-transformer, a part of the winding is common to both the primary and secondary sides, leading to fewer turns of wire being required compared to a two winding transformer.
- This results in cost savings and reduced size and weight of the transformer.
Hysteresis Losses:
- While hysteresis losses are not directly related to the type of transformer, an auto-transformer does not offer any specific advantage in reducing hysteresis losses compared to a two winding transformer.
Copper Losses:
- Copper losses in an auto-transformer are generally lower than in a two winding transformer due to the reduced length of winding required.
- However, this advantage is primarily a result of the saving in winding material, rather than a specific advantage of an auto-transformer design.
Eddy Losses:
- Eddy current losses are not totally eliminated in an auto-transformer compared to a two winding transformer.
- Both types of transformers can experience eddy current losses depending on the design and construction of the transformer.
In conclusion, the main advantage of an auto-transformer over a two winding transformer is the saving in winding material, leading to cost savings, reduced size, and weight of the transformer. Other factors such as copper losses and hysteresis losses may be influenced by the design and construction of the transformer rather than the specific type of transformer being used.
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Which of the following is the main advantage of an auto-transformer over a two winding transformer ?a)hysteresis losses are reducedb)saving in winding materialc)copper losses are negligibled)eddy losses are totally eliminatedCorrect answer is option 'B'. Can you explain this answer?
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