Light network
Lichtnetz is an older, colloquial term for the lowest distribution level in the low-voltage network of the public electricity network , which supplies private households, businesses and industry with electrical energy . In Europe, a mains frequency of 50 Hz and three-phase alternating current of 400 V are common for house connections . One phase ( outer conductor ) against the neutral conductor supplies 230 volts alternating current , also known as luminous flux or household electricity . The most frequently used plug connection in Europe is the Schuko plug connection , followed by the CEE 7/5 or CEE 7/6 system. In Switzerland, plugs and sockets are used in accordance with the SEV 1011 standard.
General
Most private electricity connections were originally only used for electrical lighting . Even with the spread of other consumers in the post-war years such as B. Radios , televisions or washing machines , light was still the main consumer and the main reason for a power connection. Nowadays, however, only a small part of the electricity used in private households (around 8% on average) is used for light, which is why the term lighting network is no longer as widespread as it used to be.
In the low-voltage area, in addition to the term lighting network , power network or power network is also used for the interaction of all three outer conductors, which supplies a three-phase alternating current of 400 V. The lighting network is formed from the combination of an outer conductor (phase) and the neutral conductor and supplies a single-phase alternating voltage of 230 volts .
distribution
In some countries with a single-phase three-wire network and partly in Europe until the middle of the 20th century, it was common practice to only connect (especially remote) private houses to the power grid in one phase. Since then only an alternating voltage of 220 V (today 230 V) and no three-phase alternating current was available in the house, it was also said that these were only connected to the light network, but not to the power network.
Web links
Only one of the three phases of three-phase current is connected to the domestic socket , Udo Leuschner, Energie-Wissen
swell
- ↑ Federal Environment Agency: Distribution of final energy consumption (EEV) of households according to application areas in Germany from 2007 in PJ , PDF download, accessed September 28, 2012