Three Phase Systems.pdf - METU Three Phase Systems by Prof...

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EE 209 Fundamentals of Electrical and Electronics Engineering, Prof. Dr. O. SEVAİOĞLU, Page 1 METU Three Phase Systems by Prof. Dr. Osman SEVAİOĞLU Electrical and Electronics Engineering Department
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EE 209 Fundamentals of Electrical and Electronics Engineering, Prof. Dr. O. SEVAİOĞLU, Page 2 METU Three Phase Systems Why Three Phase ? The reasons for using Three Phase The main reasons for using three phase systems are; 1. The kVA rating of the three phase equipment (i.e. machinary or transformer) is is 150 % greater than that of a single phase equipment with the same frame structure (weight , size) Single Phase Three Phase This part of the metal work is not utilized (wasted)
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EE 209 Fundamentals of Electrical and Electronics Engineering, Prof. Dr. O. SEVAİOĞLU, Page 3 METU Three Phase Systems The Reasons for using Three Phase Please note that most of the iron part in the stator and rotor are not utilized (wasted) Single Phase This part of the metal work is not utilized (wasted) Why Three Phase ?
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