Three Phase Transformers - 3 Phase Transformers Detailed Book: Three-phase Transformers
Three Phase Transformers - 3 Phase Transformers Detailed Book: Three-phase Transformers by Vishal Khachane
English | 2021 | ISBN: N/A | ASIN: B091TLMHD4 | 55 pages | EPUB | 0.21 Mb
English | 2021 | ISBN: N/A | ASIN: B091TLMHD4 | 55 pages | EPUB | 0.21 Mb
Three-phase voltages may be transformed by means of three-phase transformers. The core of a three-phase transformer is made with three legs, a primary and a secondary winding of one phase being placed on each leg. It is possible to construct the core with only three legs since the fluxes established by the three windings are 120° apart in time phase. Two core legs act as the return for the flux in the third leg. For example, if the flux is at a maximum value in one leg at some instant, the flux is half that value and in the opposite direction through the other two legs at the same instant.
Learning Objective :-
Three-phase Transformers
➣ Three-phase Transformer
Connections
➣ Star/Star or Y/Y
Connection
➣ Delta-Delta or Connection
➣ Wye/Delta or Y/
Connection
➣ Delta/Wye or /Y
Connection
➣ Open-Delta or V-V
Connection
➣ Power Supplied by V-V
Bank
➣ Scott Connection or T-T
Connection
➣ Three-phase to Two-Phase
Conversion and vice-versa
➣ Parallel Operation of 3-
phase Transformers
➣ Instrument Transformers
➣ Current Transformers
➣ Potential Transformers
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