Talk:Electric power distribution
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Higher Voltage Systems
[edit]Are they relevant for this page? Anyway, a little factoid concerning the 690V system found in Europe. Unlike in United states, we don't have separate 300 and 600 volt-class equipment, instead all the wires, connectors, etc. used in the normal 400V system are rated for 690V. The legislative difference between small voltage and medium voltage is 1000V. Voltages above this call for higher safety procedures from the electricians part and not all supervisors are qualified to inspect the work. — Preceding unsigned comment added by 87.100.221.225 (talk) 09:38, 1 June 2013
Mistake in SVG graphic titled "General layout of electricity networks"
[edit]The green portion of the SVG graphic titled "General layout of electricity networks" is marked "Low Voltage" and "50kV". I don't have any references for you, but electric utilities consider 50kV to be "Medium Voltage", not "Low Voltage". Low voltage occurs on the residence side of the distribution transformer where the 50kV is dropped to whatever the local distribution voltage standard is, for example: 120V/240V split phase in many parts of the U.S. The graphic is quite nice, otherwise.
I just noticed in a different article that this one links to that this same SVG graphic has a different title: "General layout of electricity networks. Voltages and depictions of electrical lines are typical for Germany and other European systems". I do not know if European utilities consider 50kV to be "Low Voltage" or not, but if they call 50kV "Low Voltage", then what do they call the residence voltage that in Europe is typically 400V/230V?
My apologies if Europe really does call 50kV "Low Voltage", but North American utilities call it "Medium Voltage" and reserve "Low Voltage" for voltages under 5kV including the final residence voltage where the SVG graphic depicts homes connecting to a transformer using the color blue.
I just checked the original (German language) graphic found here: http://upload.wikimedia.org/wikipedia/commons/e/ed/Stromversorgung.png. It uses the German word "Mittelspannung" which translates to "Medium Voltage" or possibly "Medium-High Voltage". I suggest that the graphic's owner change the text from "Low Voltage" to "Medium Voltage".— Preceding unsigned comment added by 208.65.175.197 (talk) 00:04, 31 May 2014
Energy or power
[edit]The lede in this article states Electric power distribution is the final stage in the delivery of electric power
, but the article electrical power transmission states that Electric power transmission is the bulk movement of electrical energy
. I believe that energy is the correct term for both articles, but this may contradict the articles' titles. Does a transmission line deliver power or energy? Hadron137 (talk) 22:53, 9 February 2020 (UTC)