Three-phase power transmission
Sistema trifásico de transmisión eléctrica
- Date
- 1891 · confidence high
- Place
- Lauffen am Neckar – Frankfurt, Germany
- Credited to
- Mikhail Dolivo-Dobrovolsky (AEG); Charles E. L. Brown (Oerlikon)
- People
- 👤 Galileo Ferraris1847–1897👤 Jonas Wenström1855–1893👤 Mikhail Dolivo-Dobrovolsky1862–1919👤 Nikola Tesla1856–1943
- Field
- Matter & energy
What it is
175 km transmission at 15,000 V from Lauffen to the Frankfurt Electrotechnical Exhibition, with a three-phase generator, transformers and motor. It demonstrated the viability of the modern electrical grid.
What it led to
- Worldwide standard for generating and transmitting electricity
- Nationally interconnected electricity grids
- Heavy electrochemical and electrometallurgical industry
Built on
Made possible
- Hall-Héroult aluminium process1886
- Large-scale hydroelectric power plant1882–1895
- Three-phase railway electrification of the Valtellina1902
- Hydroelectric dam
- Large-scale electrolytic aluminium
- Electric railway