XGSLab History


28 June 2023

XGSLab Release 10.3.1

  • Electromagnetic forces and effects
  • Spark gap SPDs available for XGSA_FD
  • Management of conductors continuity to infinite as a conductor property
  • Dedicated tools for manual input of:
    • Injected currents
    • External electromotive force
    • Longitudinal and transverse impedances
    • Continuity to infinite of conductors
    • Reference points (already existing)
  • New Harmonic Impedance graphical output in XGSA_TD
  • New “On tag” parameter in Scheduler
  • Minor bugs fixed

xgslab 10.3.1


12 December 2022

XGSLab Release 10.2.1

  • New XglCAD for vectorial graphic input in BETA version
  • Calculations with a virtually unlimited number of victim or source elements are now possible. The main limit is now given by the hardware capabilities.
  • Scheduling of projects considering the setting of parameters like:
    • Tags to switch-off, frequency, fault location
    • Distribution pictures to be generated
    • Area calculations to be run
    • Line calculations to be run
  • Metal to metal Voltage now available for XGSA_FD using the distribution "Potential Difference"
  • In Soil Resistivity Analyser available also the Geometric average in addition to the arithmetic
  • New standard EN 50522-2022 has been implemented
  • Minor bugs fixed

xgslab 10.2.1


11 May 2022

XGSLab Release 10.1.1

  • Screened conductors implemented in GSA_FD, XGSA_FD and XGSA_TD modules
  • Multi core cable in NETS
  • Conductors, Lines, Cables and Screened Conductors graphical editors are now available
  • Parameters allowed in projects added to scheduling (Beta)
  • XGL viewer improved in several features
  • Minimum length of lines to be imported now can be set
  • Improved calculation speed in multiple scenarios
  • Minor bugs fixed

xgslab 10.0.1


13 September 2021

XGSLab Release 10.0.1

  • New module SHIELD for calculation of the volume protected by an LPS using EGM. Methods available:
    • Rolling Sphere
    • Eriksson
  • Improved calculation precision by including the third Sommerfeld integrals dW/dx
  • Fourier Analyser: arbitrary time samples can now be imported from a list without the need to know the corresponding equation
  • New model NETS Hybrid able to consider cables, lines and conductors like pipelines in the same cell
  • New features that allow to calculate magnetic and electric fields also below the soil surface
  • Availability of customized level also for touch and step voltages, magnetic field and electric field
  • Multi Zone Soil Model: new tool to place zone land mark graphically
  • Seasonal Analyser: diffusivity can now be calculated using the depth of frost soil
  • Implemented the chance to set the reference name at its creation
  • Merge of the reference options “all references” and “single reference” in order to enable the user to select a customized list of references among the available ones
  • XGL CAD:
    • New Cad 3d for Shield Module
    • XglViewer Improvements
  • Minor bugs fixed

xgslab 10.0.1


15 February 2021

XGSLab Release 9.6.1

  • New 3D Viewer implementation based on OpenGL, only for results. (x64 versions)
  • New way to set conductors properties using libraries
  • No more conductor segmentation into mesh sides
  • Three windings transformers can now be considered in NETS
  • Very long overhead lines can be computed in NETS
  • Mutual impedances can now be set in Sources, longitudinal and transverse impedances in NETS
  • New drawing tools for GS modules:
    • Draw rectangle
    • Object snap on conductors intersections
    • Object snap on elements ends
  • Shortcut from right-button menu to quickly set transverse impedance to simulate infinite conductor length
  • Reach distance available also in GSA
  • Minor bugs fixed

xgslab 9.6.1


23 July 2020

XGSLab Release 9.5.1

  • Step voltage calculation is now possible from steps 0.25 m (0.82021 ft) long
  • Dramatic improvement of performance in generating touch voltage plots with 'all elements' option active
  • For each soil resistivity measurement is now possible to define a tag usable also to specify what is the traverse which that measurement belongs to
  • Implement the new Seasonal Analysis that allows to consider the soil model variations depending on the temperature expected for a location
  • Google Earth exportation for layout, 2D distributions, area calculation results for potential, magnetic field and electric field
  • New CSV exportation option for each distribution picture (excepted in TD). Now it is possible to export exactly what is plotted in the software, sorted exactly like in the software plot for 1D picture. For 2D and 3D each element is exported like a record with centre point coordinates and related value
  • 3D picture generation faster and with a double level of quality:
    • Defaut quality = just a few seconds needed
    • High quality = maximum a few tens of seconds needed
  • New graphical features to edit the layout like:
    • 'Reverse' that inverts the orientation of one or more conductors
    • 'Scale' that scales one or more conductors keeping as reference a definable base point
    • reference points graphical definition
  • Rearrangement in connection options and features:
    • New groupbox in the panel to handle them
    • New handling of 'T' connections: the connection is detected if just the conductor touched in the middle is bare
    • New option that allows to neglect all insulations in detecting the connections
  • Introduced the possibility to set connections that can be just theoretical (and not represented physically)
  • The word 'Span' is now replaced by the word 'Conductor' in the software terminology
  • Minor Bugs fixed

xgslab 9.5.1


12 March 2020

XGSLab Release 9.4.1

  • Implemented a complete compatibility with Imperial Units!
  • Improved earth potential area and line calculation performances. Reduction of time needed from 50% up to 80%!
  • Many new graphical interaction features:
    • Scroll in/out for 2D and 3D layout and for 2D and 3D distributions
    • Pan using mouse scroll for 2D and 3D layout and for 2D and 3D distributions
    • Zoom selected spans both from 2D and 3D layout and from list of spans
  • List of spans now exportable and importable in xml format
  • Last area and line calculation automatically saved in the folder of the project
  • External impedances and inputs now visible also 1D distributions
  • Minor bugs fixed

xgslab 9.4.1


28 November 2019

XGSLab Release 9.3.1

  • Improved reach touch voltage
  • Argument plotting for normalized frequency spectrum in TD
  • Imperial units considered for dxf importation
  • New soil parameters frequency dependance model CIGRE TB 781
  • More intuitive representation of area and line calculation
  • Automatic layers number research
  • Improved scheduler with the option to program the starting of the calculations
  • Minor bugs fixed

xgslab 9.3.1


30 September 2019

XGSLab Release 9.2.1

  • New tool for corona effect calculation for XGSA_FD
  • Reach touch voltage option now available for option "All elements" in FD modules
  • Custom levels for contour pictures introduced in the plot of earth surface potential in GSA, GSA_FD and XGSA_FD modules
  • Enlarged the frequency range in which the validity of the software is granted up to 100 MHz in GSA_FD, XGSA_FD and XGSA_TD modules
  • New distribution available: "Leakage Current on Small Holidays - Superficial" in GSA_FD and XGSA_FD modules
  • New default colour scales available for a quick customization of results outfit
  • Minor bugs fixed

xgslab 9.2.1


13 June 2019

XGSLab Release 9.1.1

  • Improvement of NETS with Zig Zag Transformers, Pipe Type Cables and Connection Visualization
  • Improvement of Automatic Report
  • Introduced the possibility to divide spans into one single element also for FD and TD modules
  • New control in debug able to find missing connections in one electrode for FD and TD modules
  • New step by step analysis of debug in order to focus more easily the errors
  • New algorithm for 1D distributions able sort the spans considering their position, orientation and connections
  • Possibility to export frequency dependent impedances to EMTP®
  • New IEC/TS 60479-1:2018 implemented
  • New drawing tools like Array and Offset
  • Improved doubtful connection reliability
  • New levels of fragmentation introduced: “very high” and “very low”
  • Improved graphical output for 3D pictures with steep gradients
  • Minor bugs fixed

xgslab 9.1.1


21 February 2019

XGSLab Release 9.0.1

  • New module NETS! a solver for full meshed multi-conductor and multi-phase networks taking into account all the neutral conductors paths as well as the earth path. Based on Kirchhoff laws for multi-conductor and multi-phase systems
  • Enhanced level of detail in post processing results: enabled the possibility to plot not only modulus but also real and imaginary part for scalar fields, real and imaginary part for each component for vector fields
  • New drawing features like "move" and "copy"
  • Introduced the possibility to interact with the background drawing it, keeping it as reference with object snap and deleting it graphically and/or from the dedicated table
  • Minor bugs fixed

xgslab 8.3.2


09 January 2019

XGSLab Release 8.3.2

  • New scheduling feature that allows to run multiple calculations in series (>= Professional ver)
  • New layout parameters arrangement: origin + length, width and depth
  • New possibilty to export in dxf format contours obtained in area calculation
  • New graphical options for graduation of axis
  • New drawing options like "Rotation"
  • New suggestion for element fragmentation
  • Minor various improvements
  • Minor bugs fixed

xgslab 8.3.2


18 April 2018

XGSLab Release 8.3.1

  • Enhanced calculation speed
  • Improved calculation stability
  • Improved calculation accuracy both with multilayer soil models and with soil multizone models
  • New graphical output "contours"
  • New graphical costumization by setting the number of levels in colours area graphical output
  • Many new graphical options for touch and step voltages area calculation results
  • New customizations options in impulse analyzer
  • New possibility to save and load area and line calculations. This feature is very useful also to fully use and appreciate the new XGSLab Viewer
  • Minor Bugs fixed

xgslab 8.3.1


16 February 2018

XGSLab Release 8.2.1

  • Calculation of potentials and touch and step voltages below the soil surface
  • New energization mode for sources with uniform leakage current density
  • Enhanced calculation stability also for projects with elements both below and above the soil surface
  • Layout exportation tool added (dxf format)
  • Possibility to apply a scale factor in order to simulate different levels of energization for the same scenario
  • Many drawing tools and features added
  • Tag filter for layout and for all elements option in Line and Area Calculations
  • Improved soil analyzer
  • Minor bugs fixed


11 November 2017

XGSLab Release 8.1.1

  • IDE Improvements: like Project panel popups
  • New standard management: more accurate, more complete
  • IEC 60479-1:2005 considered in addition to EN 50522:2010 and to IEEE Std 80-2013
  • Can work with a multilayer soil model with an arbitrary layers number
  • More performing importation algorithm: about 15 times faster than the old one
  • More performing drawing tools: Faster, More reliable, With new features like "array"
  • More performing debug algorithm: Automatic fixing of most of superpositions, Automatic fixing of most of vertical short elements, Very precise detecting of doubtful separations
  • More performing "All Elements" option in Safe Areas calculation: about 20 times faster than the old one
  • Minor bugs fixed

xgslab 8.1.1


24 July 2017

XGSLab Release 8.0.1

  • New soil analyzer to calculate multilayer soil models considering Wenner and Schlumberger measures as input
  • New calculation algorithm able to process multilayer soil models with arbitrary layers number
  • New drawing tools that enables the User to draw directly in the software the layout in a very effective and quick way
  • New layout management tools to improve the User’s experience
  • Possibility to interact graphically both with active and inactive spans
  • New graphical outfit of User’s interface
  • Minor bugs fixed

xgslab 8.0.1


14 March 2017

XGSLab Release 7.0.1

  • TD module activated! Main Calculation and Line Calculation are available
  • New settings for z axis in 3D pictures
  • Set elements tool improved in precision and effectiveness
  • Possibility to input/read complex numbers both in Cartesian and in Polar coordinates
  • Introduced “Color by” option: it allows the user to color the layout by using different parameters (everything the same, electrode, tag, material)
  • Minor bugs fixed

xgslab 6.6.1


21 December 2016

XGSLab Release 6.7.1

  • Optimized RAM Consumption: using the 6.7.1 version it is possible to study the same project with a RAM consumption -20/30% than the previous versions.
  • More refined calculation algorithm for High Frequencies.
  • Improved management of German and Spanish languages.
  • Introduced the possibility to store Area Calculations.
  • New graphical tool that enables to rotate the 3D pictures of Area Calculation.
  • Improved management of the legend: now perfectly readable at any resolution setting.
  • Improved inverse-Fourier Transform algorithm and new graphical tools for TD module.
  • Minor bugs fixed

xgslab 6.6.1


18 October 2016

XGSLab Release 6.6.1

  • New file project management. Single file instead of folders collection.
  • New and easier importation procedure. Now the User has just to set the wanted total amount of elements and then import all the records set according to the dxf file in the Import window.
  • New feature in debug pictures called “Doubtful Separation”: useful to easily detect possible lacking connections among victims (available in *_FD modules).
  • Introduced a minimum value for Zt that must be > 0.1 mΩ and a maximum value for Zl that must be < 10 MΩ.
  • Improved calculation accuracy
  • Time Domain module developed and under test excepted post processing phases.
  • Minor bugs fixed

xgslab 6.6.1


29 June 2016

XGSLab Release 6.5.3

  • Low Frequency breakdown: possibility to set a threshold below which no inductive coupling is considered. This makes the calculation more stable, expecially with very insulated elements.
  • Improved graphical output.
  • Possibility to swith off some text in layout pictures, in order to make them more readable.
  • Enlarged limits of layout representation.
  • Zone Indication in View 1D pictures.
  • New warning message in case of controverstial source span.
  • Some bugs fixed

xgslab 6.5.3


30 May 2016

XGSLab Release 6.5.2

  • Improved calculation performances with time saving up to 20%.
  • Improved user experience with more responsive interaction with the software.
  • More refined electromotive force calculation in multi zone.
  • New graphical representation of debug.
  • New option “Orientation” in layout pictures in order to show the spans orientation.
  • Enlarged layout limits.
  • Some bugs fixed.

xgslab 6.5.2


09 May 2016

XGSLab Release 6.5.1

  • Multizone soil Model!
  • Now it is possible a further way to model the soil: instead of horizontal layers, different zones with different resistivities. This model can be particularly useful for wide grounding systems and for interference calculations.
  • New table with all the values related to the additional impedances, both transverse and longitudinal.
  • Improved graphic output and interaction.
  • By reading span properties with a click on layout now it is possible to read also characteristic impedance and propagation constant.
  • Improved tables graphic and interaction.
  • Possibility to modify tag of spans without losing a possible available calculation.
  • New distribution picture, showing the power losses along the conductors.
  • Improved debug contronls on too short elemnts with a covering.

xgslab 6.5.1


09 February 2016

XGSLab Release 6.4.2

  • New soil data management considering the frequency dependance of the resistivity values
  • Possibility to name the electrodes in GSA and the reference and injection points in GSA_FD and XGSA_FD
  • New graphic interaction with 3D pictures:
    • In the layout activated the possibility to read properties and to edit spans
    • In the distributions activated the possibility to read results values
  • New graphic tool in 1D distribution: with a single click the values displayed by the cursor can be named with a label and pasted on the picture
  • Improved graphic output for all distributions
  • Improved debug speed
  • Improved Line Calculation speed for Touch and Step Voltages thanks to multithreading implementation
  • Improved management of External Electromotive Forces
  • Minor bugs fixed

xgslab 6.4.2


23 November 2015

XGSLab Release 6.4.1

  • Enhanced performances: up to 20 times faster than the previous release.
  • New automatic report, exportable in many formats like rtf, pdf, xls, html.
  • New pictures management in a “Gallery” window.
  • Rearrangement of main menu icons, in order to get better sequence in the step by step Data Input and in order to simplify the calculation options available.
  • Improved graphical output with more readable numerical output.
  • Many lattice tower CAD models available in Helpdesk area.
  • Minor bugs fixed.

xgslab 6.4.1


31 August 2015

XGSLab Release 6.3.1

  • Enhanced validity limit in frequency domain up to a few MHz
  • Improved Earthing Currents tool with the application of the calculated current
  • Tooltip activated in 2D distributions pictures using right mouse button click on the “interesting” element
  • Tooltip activated in 1D distributions pictures moving the mouse cursor over the picture
  • Improved graphical outputs
  • Minor bugs fixed

xgslab 6.3.1


7 July 2015

XGSLab Release 6.2.2

  • New graphic features for Line Calculation results to improve user’s interaction
  • New graphic tool to trace a catenary using three measured points (XGSA_FD only)
  • New tool to set the global number of elements
  • New distribution picture “Covering Stress Voltage” aimed to investigate the voltage applied to a possible coating (GSA_FD and XGSA_FD only)
  • Minor bugs fixed

xgslab 6.2.2


28 May 2015

XGSLab Release 6.2.1

  • New tool to set Volume Visualization graphically
  • New graphical look: more user friendly and more intuitive!
  • Possibility to import also civil works as background
  • Enhanced calculation speed for area calculations thanks to implementation of multithreading
  • More flexibility in the choise of the standard
  • Some minor bugs fixed

xgslab 6.2.1


30 April 2015


GSLab has been renamed in XGSLab, that means: Over and under Ground System Analysis ...

In this way, we approach a really new sperimental field.


09 April 2015

GSLab 6.1.2 Release

  • Improved the dxf importation procedure
  • More user friendly AGSA_FD layout
  • Line calculation completely tilting for Magnetic field and Electric Field calculations
  • Improved code efficiency
  • Some minor bugs fixed

gslab 6.1.2


23 March 2015

GSLab 6.1.1 Release

  • Electric field calculation for AGSA_FD
  • Enlarged limits for Volume Visualization
  • Improved translation into German Language
  • Implemented the possibility to export results in .csv format both for Magnetic Field and for Electric Field
  • Some bugs fixed

 gslab image06


 09 March 2015

GSLab 6.0.1 Release

  • New module AGSA_FD for interference and magnetic field calculation for systems both aerial and buried
  • Great improvement of the stability of the software
  • New distribution figures for Electromotive Force (GSA_FD and AGSA_FD)
  • Input of arrays of horizontal spans implemented
  • Faster “All Elements” picture generation (GSA_FD and AGSA_FD)
  • Easier usage of “Covering Layer”: it can be input once the calculation is finished with no need to run the calculation again
  • Some bugs fixed

gslab image05


07 January 2015

GSLab 5.0.5 Release

  • New 1D representation of LCD, current and potential distributions
  • Improved calculation stability
  • Some bugs fixed



18 December 2014

GSLab 5.0.4 Release

  • New area and line calculations available: Magnetic field on a flat surface (GSAFD)
  • New 2D pictures for touch and step voltages (for both modules)
  • Possibility to keep as reference all elements per touch voltages 2D pictures (GSAFD)
  • A few bug fixed



10 November 2014

GSLab 5.0.3 Release

  • Calculation Speed improvement.
  • Possibility to create reference points in "Safe Area Graph".
  • New Option: Accessible Soil Covering Layer also in Post Processing phase.
  • Bugs Corrections.



13 October 2014

GSLab 5.0.2 Release

  • 20 times faster than previous version.
  • Possibility to save calculation. Avoid to recalculate.
  • Touch Voltage Result new graphical result.
  • Manual Updated.
  • Bugs corrections.



19 September 2014 

GSLab 5.0.1 First Release


Improved management of External Electromotive Forces