calcul pierderi de tensiune

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Sheet1circuite monofazate - U%= (2x100)/(xUf^2)x((Pixl)/S)circuite trifazate - U%= (100)/(xUl^2)x((Pixl)/S)coloane monofazate - U%= (2x100xKc)/(xUf^2)x((Pixl)/S)coloane trifazate - U%= (100xKc)/(xUl^2)x((Pixl)/S)Pi - puterea instalata pe tronsonl - lungime tronsonS - sectiune conductorUf - tensiune de fazaUl - tensiune de linie - conductivitatea materialului conductorului, Cu=57m/Wmmp, Al=34m/Wmmpkc - coeficientul de cerere

tronsontip circuitmaterialPi [W]lungime conductor [m]sectiune conductor [mmp]Uf [V]Ul [V]KcU% tronson c. monofazatU% tronson c. trifazatU% tronson col. monofazataU% tronson col. TrifazataU% totalcoloanatrifazatcu5760000100254004000.700.000.000.001.841coloanatrifazatcu572500025104004000.600.000.000.000.412circuitmonofazatcu572500102.52302300.660.000.000.001circuitmonofazatcu57150051.54004000.110.000.000.0020.770.000.002.253.03

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