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Voltage drop and power calculator

Our online tools for your calculations


The digital tools from LAPP provide you with four calculators for determining voltage drop and current or power values. This means that you can perform your calculations online at any time and order suitable products in our online shop.

I =Pcos(ø)3U
P =I3Ucos(ø)
Calculator for voltage decreases in the electrical circuit of the three-phase alternating current (AC)
ΔU =(%)cos(ø)3ILUσS100
Calculation basis: Copper 58 MS/m or Aluminum 38.2 MS/m.
Calculator for voltage decreases in the electrical circuit of the three-phase alternating current (AC)
I =PUP =UI
Calculator for current and power in the electrical circuit of the direct current (DC)
ΔU =(%)1002ILUσS
Calculation basis: Copper 58 MS/m or Aluminum 38.2 MS/m.
Calculator for voltage decreases in the electrical circuit of the direct current (DC)

Note


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