Difference between revisions of "Tuto electrical"
From Electrical Age
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[[File:Source_lamp_3d.png|400px|frameless|center]] | [[File:Source_lamp_3d.png|400px|frameless|center]] | ||
| + | [[File:Source_lamp_sch.png|400px|frameless|center]] | ||
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| + | source voltage = 200V | ||
| + | lamp resistance = 1333Ω (u^2/p = 200V*200V/30W) | ||
| + | cable resistance = 0.1Ω (medium voltage cable) | ||
| + | |||
| + | total resistance = lamp resistance + cable resistance = 1333Ω | ||
| + | current = source voltage / total resistance = 200V/1333Ω = 0.15A | ||
Revision as of 21:23, 13 August 2014
source voltage = 200V lamp resistance = 1333Ω (u^2/p = 200V*200V/30W) cable resistance = 0.1Ω (medium voltage cable)
total resistance = lamp resistance + cable resistance = 1333Ω current = source voltage / total resistance = 200V/1333Ω = 0.15A
