Underground Conductor Electromagnetic Fields

The magnetic field exposure analysis tool is integrated with the underground cable systems (UGS) analysis module, and it determines the worst-case magnetic fields produced by conductors in underground raceways. The tool handles various 3-phase conductor layouts including flat and trefoil as well 1/C and 3/C 1-phase cables, dc cables, etc. The tool uses balanced & unbalanced load-flow currents and angles to determine the location and surface-level height of the worst-case magnetic field because of all conductors in the raceway.

Key Features

Based on CIGRE JTF 36-0121
Exposure to Surface Magnetic Fields from Underground Conductor Installations
Evaluate Field Intensity Limits per IEEE C95.6-2002,
ICNIRP – 2010 & ACGIH – 2002
Consider 3/C, 1/C, 3-P and 1-P AC & DC Conductor Currents
Automatic filtering of Ferromagnetic Conduits
User-Defined Permeability CF
Validated against actual site measured magnetic fields

Capabilities

Single-Plot / Multi-Plot / Plot Range
Raceway Cable Location Depth View
Graphical data visualization - Tooltip results, Scale breaks, Zoom in/out
Export evaluation results to SQLite from any UGS Steady-State calculation
Auto-filter selected conductor currents
Consider Ferromagnetic Conduits
Include Effect of Sheath Currents

Benefits

Determine if your installation complies local magnetic field exposure limit regulations
Identify magnetic field intensity for individuals with medical conditions
Optimize cable layout and location to reduce magnetic field intensity problems
Provide safer work environment and reduce long-term exposure to magnetic fields for workers and the public

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Electromagnetic Field Intensity Evaluation