Ground Grid Systems

Flexible methods to ensure safety and protection

Überblick

The Ground Grid Systems module for ETAP enables engineers to quickly and accurately design, visualize, analyze and report ground protection projects of any size or complexity. Flexible design methodologies allow for quick auto-designed layouts and highly detailed schemes to optimize designs in modeling, prior to physical construction. As a result of its efficient multi-core parallel calculation algorithm, the analysis of irregular and large-scale renewable applications is extremely fast to produce. Color-coded graphical plots provide immediate analysis through revealing 3D visualizations.

Supported Methodologies:

Uniform Grid
- IEEE 80/81
- Rod & conductor optimization
Finite Element Method
- Interactively design rods & conductors in 3-D space
- Handle irregular configurations of any shape
- Calculation of tolerable touch and step voltage potential values per EN 50522 and IEEE 80

This module also includes soil analysis, for the automatic generation of a two-layer soil model from soil measurement data, based on the Wenner four-pin method.

Features & Capabilities

Full integration with ETAP short circuit study results and single-line diagram
Fast analysis of irregular large-scale and renewable ground grid applications
Two-layer soil configuration, plus surface material
Automatic generation of two-layer soil model
Soil resistivity measurement data based on Wenner four-pin method
Table of potentials at the earth's surface
External boundary extensions
Variable weight & temperature options per IEEE 80
Variable body, gloves, and footwear impedance per EN 50522
Compare allowable currents against fault currents
User-definable conductor library
Ground grid configurations include conductor & rod plots
Compare potentials to tolerable
Optimize the design for safety and cost considerations
Comprehensive reporting, including step, touch, and absolute potentials inside and outside the grid area

Benefits

Predict performance and mitigate safety issues before construction
Produce accurate analysis quickly – even for irregular-shaped designs and large scale renewable applications
Easily adjust methodologies to match your unique requirements
Optimize layouts for cost savings and plan for future expansion
Gain valuable insights from color-coded graphical plots

Plotting & Reporting Capabilities

Soil Analysis

Generate a soil resistivity plot based on Wenner four-pin method
Export soil analysis results to Microsoft Excel format

Ground Grid Potential Plots

3-D absolute surface potential plots
Color-coded 3-D touch potential plots
Color-coded 3-D step potential plots
Color-coded contour plots
Rotation animation of 3-D plots

Ground Grid Report

Choose to generate complete or concise ground grid reports in multiple report formats

Referenzen

FAQs

Videos

Alle Ressourcen anzeigen

How to perform Short Circuit and Ground Grid Analysis with ETAP software

Learn how to determine optimal cable sizes, physical attributes, and maximum ampacity using ETAP’s Underground Raceway System module, ensuring that cables in duct banks or directly buried are operating within their maximum potential capacity. The advanced graphical interface allows for design of cable raceway systems to meet existing and future needs by using precise calculations to determine the required cable sizes, physical capabilities, and maximum derated capacity / ampacity. In addition, transient temperature analysis computes temperature profiles for cable currents, reducing the risk of damage to cable systems under emergency conditions. All cable steady-state temperature calculations are based on the Neher-McGrath Method and the IEC 60287 Standard.

Webinar

Play 19:20

Ground Grid Design Made Simple

In this webinar, learn how to obtain accurate and economical ground grid designs by quickly identifying appropriate ground grid layouts, while efficiently conducting studies using integrated fault analysis tools.

Webinar

Play 28:47