01-05-2021

Grounding Calculation Software

  1. Grounding Calculation Software For Windows
  2. Earthing Calculation
  3. Grounding Calculation Software Pdf
  4. Grounding Calculation Formula
  5. Grounding Calculation Software Free

SKM Systems Analysis, Inc. Provides a complete line of electrical engineering software including PowerTools for Windows and Arc Flash Hazard Analysis. Electrical engineers use PowerTools to perform harmonic analysis, transient stability analysis, short circuit analysis, and to determine demand load, voltage drop, arcflash hazard analysis and protective device coordination. I have used SKM Ground Mat software to calculate the touch and step voltages for two earthing configurations of the transformer kiosk assuming: 1. Kiosk occupies an area of 5m x 3m, 2. 11kV system prospective short-circuit current is 250 MVA, 3. System z1 = z2 = zo, 4. Imagine a wind farm producing electricity, the substation seen around the 17s mark distributes the power generated, at around the 27s mark a fault occurs, at the 30s mark a color is emitted from the ground - this is where grounding/earthing analysis software can determine step and touch voltages. EasyPower LLC, founded in 1990 and based in Oregon, are the developers of EasyPower®, an integrated power systems analysis software, with an array of products such as EasyPower®, EasySolv™, SafetyTracker™ and Oneline Designer™. The flagship product, EasyPower, includes the following modules: arc flash analysis, power flow, short circuit, OPF, protective device coordination, dynamic stability, transient motor starting, and harmonic analysis.

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I have been approached by the electrical manager of my company if I had any desire in become the group grounding and lightning subject matter expert. https://uinin.netlify.app/music-paradise-for-windows-10.html. He has asked me to begin identifying available software, training, and classes on this subject.

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Grounding and lightning analysis has been, well, non-existent in our work at the moment, beside the few substation projects we have designed. And as far as I can tell, it seems to have little importance within the US, my manager is from the UK and he speaks highly of the team he has worked with there, so much that they have several people who solely perform grounding analysis. The hope is to gain the expertise needed and have another service we can offer our clients.

We currently have the GroundMat software through SKM Power Tools. I've have a bit of experience with it. I'm wondering what software you're companies are using and benefits/drawbacks. Are you aware of any training classes besides the obvious ones offered through the various software companies. CDEGS is the one my manager is familiar with, which appears to become highly regarded software - though cost may not be ideal for our company at this moment.

Appreciate any and all feed back, this is my first post here. Looking forward to contributing to the community.

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  • Photos from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
  • Cross-sectional area of a straight exothermic connection. The fused area is larger than the area of the conductor.
  • Blue tube CADWELD process. Place the cursor over the picture of the mold in the top portion of the slide. Activate video by clicking on the picture.
  • Exothermic reaction inside of the mold. Taken by thermo imaging camera. The scale on the right shows the temperature range of the reaction. Place the cursor over the picture. Activate video by clicking on the picture.
  • Comparison current cycling test to Standard IEEE 837. Bolted, compression and CADWELD connections are tested with the same current. Each connection has two thermocouples to monitor the temperature. It can be
    determined visually that the CADWELD connection has the lowest resistance and consequently the lowest temperature.
  • Solid copper rods are used in the Middle East where the sandy soil makes driving the rods easier and the oil makes the price insignificant.
    Soils high in sulfides are corrosive to copper and may warrant a stainless steel rod.
    Copperbonded and galvanized steel rods represent the vast of majority of rods sold.
  • 1. Rod end deformation is important when coupling ground rods or when connections are being made to the top of a ground rod (CADWELD, HAMMERLOCK).
  • Everyone would agree that a thicker coating leads to longer service life. The question then becomes what material is more resistant to corrosion – copper or zinc.
  • Data from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
    Comparison of corrosion performance of galvanized and copper bonded steel ground rods in same soil condition's in 10 years.
  • Data from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
    Minimal oxidation of copper bonded ground rod.
  • Data from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
    After 10 years in the earth the excavated copper bonded electrodes were cut in various locations, polished and enclosed in epoxy. Under microscope the remaining copper thickness was measured in 7 locations around the perimeter. The loss of copper was minimal only 0.0018”. Since the copper plating thickness is 0.01” it can be concluded that it would take 55 years before the rod would lost the copper plating.
  • Data from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
    The photo shows excavation of ERICO vertical ground rod enclosed in GEM. The exposed ground rod is completely corrosion free.
  • Data from National Electrical Grounding Research Project (NEGRP). Project managed by third party National Fire Protection Agency. The purpose was to study various grounding electrodes and connections in different soil conditions.
    The length of the study was 12 years. ERICO actively participated. At the end of the study the electrodes were removed from the earth and evaluated for corrosion.
    The first graph represents 8 years data on soil resistivity, moisture and temperature of the soil. The second graph demonstrates performance of four different electrodes in the soil conditions shown in the first graph. Vertical ground rod in GEM depicted on the previous slide is the best performer. It is has the most stable resistance over time not to exceed 25 Ohms, minimum requirement by US National Electrical Code.
  • Bend test published in Standard UL 467. Measure diameter of the rod, multiply by 40, fasten in vise and bend. ERICO CBSC exceeds this requirement.
  • Test samples that proves the claim in the previous slide
  • Standard conduit bender.
  • Examples of bend ground rod applications in North American utilities.