Differences Between Core And Shell Type Transformers - Types of Transformers
What Are The Differences Between Core And Shell Type Transformers
In our previous articles we have discusses about differences between lap,wave winding this tutorial we are sharing major differences between core type transformer and shell type transformer. In this tutorial comparisons between shell type and core type transformers are discussed.There are two major types of transformers based on construction.
They are,
1.Core Type Transformers
2.Shell Type Transformers
Types of Transformers
Difference Between Shell And Core Type Transformers
| Core Type Transformers | Shell Type Transformers |
|---|
1. In core type transformer winding is placed on
two core limbs. | 1. In shell type transformer winding is placed on mid arm
of the core.It is installed on mid-limb of the core.
Other limbs will be used as mechanical supporting |
| 2. Core type transformers have only one magnetic flux path. | 2. Shell type transformers have two magnetic flux path. |
3. It has better cooling since more surface is exposed to
atmosphere. | 3. Cooling is not effective in shell type when compared
to core type transformer. |
| 4. It is very useful when we need large size low voltage. | 4. It is very useful when we need small size high voltage. |
5. In core type transformer output is less. Because of losses.
So efficiency will be less than shell type transformer. | 5. In core type transformer output is high. Because of
less losses.So efficiency will be more. |
| 6. The winding is surrounded considerable part of core. | 6. Core is surrounded considerable part of winding of
transformer. |
| 7. It has less mechanical protection to coil. | 7. It has better mechanical protection to coil. |
| 8. Core has two limbs. | 8. Core has three limbs. |
| 9. This transformer is easy to repair,Easy to maintain. | 9. This transformer is not easy to repair.We need a
skilled technician to maintain this type of transformer. |
10. In this type transformer concentric cylindrical
winding are used | 10. In this type transformer sandwiched winding are used. |
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4.Types of transformers
