I am particularly concerned with the phase shift between the high and low voltage sides. I use vector diagrams to illustrate the shifts. I also take into account the winding direction of the primary coil and the secondary coil.
00:00 Introduction
00:53 code letters
03:20 Setup
04:30 Coil designations
05:30 Star bridge
06:13 Primary side vector diagram
07:37 vector diagram secondary side
09:10 reference arrows in the three-phase system / 180° rotation
10:46 redraw star ZD
11:47 U12 primary and secondary
13:13 U12 and U12' in same chart
13:42 3*50°=150°
14:14 Dyn11 transformer
14:57 Closing
#three-phasetransformer
#Transformer
#phasordiagram
Негізгі бет Three-phase transformer Dyn5 Dy5 / local network transformer / code numbers / phase shift
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