File:3-phase-voltage.svgDescription3-phase-voltage.svg English: Diagram of three phase voltage. L1 and L2 phase difference shown (120°). Suomi: Kolmivaihevirran kaavio. L1 ja
File:Transformer3d col3.svgpolarity signs. 2006-08-25 03:12 Omegatron 763×573×0 (41111 bytes) Fixing voltage on secondary, changing notation to typical polarity symbols instead of
File:PowerStation2.svg20. Forced draught (draft) fan 3. transmission line (3-phase) 12. Deaerator 21. Reheater 4. Step-up transformer (3-phase) 13. Feedwater heater 22. Combustion
File:3 phase AC waveform.svgCreative commons 3.0 derivative of a PD work. This file is licensed under the Creative Commons Attribution 3.0 Unported license. You are free: to share