Cable Impedance Calculator Zs

Cable Impedance Calculator Zs


(3 stars)


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10,000 - 50,000 downloads

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ELcalcZs Pro is an Electrical Calculator App,
That will calculate the Resistance of the Line Conductor and CPC (R1 + R2).
And Earth Fault Loop Impedance (Zs) for a new electrical installation.

This is Necessary for determining whether the circuits protective device
will operate within the correct time limit,
Due to the fault current generated by the
resitance of the circuit.

Works for copper cables up to 1000mm.

Allows you to select ambient temperature,
and apply correction factors for cable type.
Correction Factors listed in Help File.

Complies with BS 7671 : 2008 17th Edition.

Now has a function for calculating cable
length, when inputting R1+R2 value.
Automatically selects correction for
Cable Type / Installation and Ambient Temp.
Length given in meters.

Please rate this app if you like it.

Tags: electrical cable size chart, cable resistance calculator uk, electric cables impedances, electrical cable size calculator, electrical cable size, elcalczs, cable size calculator uk, electrical cable sizes, electrical cable chart, impedance.

Recently changed in this version

V2.1 Now updated to Pro Version.

Comments and ratings for Cable Impedance Calculator Zs
  • (48 stars)

    by pramod. m.p on 01/05/2014

    nice app good app for pratical people

  • (48 stars)

    by Shane Dyble on 21/04/2014

    App was much better before this update....often used it in fault finding to estimate where a cable fault might be. Pretty much useless and full of bugs and ads after update, previous version was 100 times better

  • (48 stars)

    by MUNIYA CHANDRAKANT on 10/12/2013