ELECTROMAGNETIC SIMULATION FOR POWER, GROUNDING AND LIGHTNING PROTECTION SYSTEMS
XGSLab is one of the most powerful software of electromagnetic simulation for power, grounding and lightning protection systems and the only software on the market that takes into account IEC, EN and IEEE Standards in grounding system analysis.
XGSLab includes the modules:
1.GSA (GROUNDING SYSTEM ANALYSIS) for basic application with underground systems
2.GSA_FD (GROUNDING SYSTEM ANALYSIS in the FREQUENCY DOMAIN) for general applications with underground systems
3.XGSA_FD (OVER AND UNDERGROUND SYSTEM ANALYSIS in the FREQUENCY DOMAIN) for general applications with overhead and underground systems
4.XGSA_TD (OVER AND UNDERGROUND SYSTEM ANALYSIS in the TIME DOMAIN) for general applications with overhead and underground systems
5.NETS (NETWORK SOLVER) solver for multi-conductor and multi-phase full meshed networks
XGSLab integrates the module SRA (SOIL RESISTIVITY ANALYSIS) and XGSA_TD integrates also the module FA (FOURIER ANALISYS direct / inverse).
The XGSLab application field is so wide because the implemented model is for general use and solves the Maxwell equations in non stationary conditions taking into account the earth lack of homogeneity by the Green functions, the earth reaction by the Sommerfeld integrals and moving from the frequency to the time domain by means the Fourier transforms.
All modules are integrated in an “all in one” package and based on a hybrid calculation method (or “PEEC” method) which considers transmission line, circuit and electromagnetic theory combined into a single calculation model. Hybrid methods join the strong points of the other methods and are well suited for engineering purposes because they allow the analysis of complex scenarios including external parameters such as voltages, currents and impedances. For these reasons, XGSLab can be considered a real laboratory.
GSA can import earth grid data from “dxf” files, delivering professional numerical and graphical output useful for investigation of GPR and leakage current, earth potential, touch and step voltage distributions.
GSA can also export data and results in “dxf” files and this allows a full interactivity with CAD tools.
XGSA_FD extends the GSA_FD application field to the overhead systems.XGSA_FD can also manage catenary conductors and bundle conductors too and can take into account sources where potential or leakage current and longitudinal current are known and independent by other conditions. For these reasons
NETS is a very flexible tool to solve full meshed multi-conductor and multi-phase networks and is based on the multi-phase system representation.
This approach is general and overcome the classic method of symmetrical components and can be used to represents power systems as multi-conductor networks enabling the consideration of asymmetrical and/or unbalanced systems also in presence of grounding circuits or circuits with a different phases number.
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