Advantage Of 3-Phase Transformer - You Know What Is The Advantages Of Three Phase Transformers???
widely Used Applications is Electrical Transformer, Here The Description All About Advantage Of Electrical Transformer??
A 3-phase AC system is used to generate and transmit
Large Amount Of Power.
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| Single phase transformer construction |
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| Three phase transformers contruction |
Three Phase transformers are used to step up and step down AC voltages in various stages of a
Power System The construction of a single 3 phase transformer is preferred over a bank of three 1phase - transformer due to the following advantages
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- (1) It occupies less floor space for equal ratings
- (2) It is lighter in weight.
- (3) Smaller size for the same rating. 1phase
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| Single phase transformer winding |
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| Three phase transformers construction |
- (4) A 3- phase transformer is cheaper than a bank of three transformers.
- (5) It requires few bushings.
- (6) Less transformer oil is used.
- (7) It requires 1/3 as much iron for the magnetic circuit as compared to a bank of three 1-phase transformers.
- (8) More efficient.
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| (A) |
- A 3-Phase Transformer actually consists of 6 windings, three primary and three secondary.
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| (B) |
These
Windings are usually connected either in delta or star. A 3 phase core type transformer consists of a three- legged iron core. Each leg has a respective LV and HV winding as shown in figer (a) and (b).
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