Knowledge Base & FAQ



Question Last Modified
1
answer
Types of quantities that can be computed with the Ampacity utility.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Different ways to view conductors using the CDEGS utilities.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
How do I know when my key expires?
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Why the software protection driver won't install on NT-based machines (NT4, 2000, XP).
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Running engineering modules produces the message : * SECURITY * Key Inoperable ...
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Lost / Can't find my KEYSET password. What do I do ?
Last Modified: Dec 06, 2004
2004/12/06
1
answer
How do I reset my protection key?
Last Modified: Jan 19, 2007
2007/01/19
1
answer
My KEYSET Password does not work. Why?
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Which Engineering modules are active?
Last Modified: Dec 06, 2004
2004/12/06
1
answer
To Model a Voltage Source in MALZ
Last Modified: Dec 06, 2004
rectifier, equivalent
2004/12/06
1
answer
Correcting TRALIN Negative Cable Shunt Impedances
Last Modified: Dec 06, 2004
Negative Resistive Component, Capacitive Coupling, Interconnection, Shunt
2004/12/06
1
answer
Minimum Hardware Requirements for Typical CDEGS Installation Under Either Windows NT or Windows 98
Last Modified: Mar 16, 2006
Computer Configuration
2006/03/16
1
answer
How to Model a Grounding System with a Large Number of Conductor Segments
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Using MALZ/HIFREQ to Model Fall-of-Potential Grounding System Impedance Measurements
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Why are Computed Step Voltages Asymmetrical in a System with Four-Sided Symmetry (i.e., a Transmission Line Tower)
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Computing Voltage Drop Using HIFREQ
Last Modified: Dec 06, 2004
Scalar Potential, GPR, Vector Potential, Conductor
2004/12/06
1
answer
Using Zoom Polygon to Plot Only Touch Voltages Within Substation and Within Reach of Substation Fence on the Outside
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Conductor Segmentation in MALT and MALZ
Last Modified: Dec 06, 2004
Accuracy, Earth Potentials Exceeding GPR
2004/12/06
1
answer
Computing Step Voltages Correctly
Last Modified: Dec 06, 2004
Overestimating, Not Underestimating, Profile Point Spacing
2004/12/06
1
answer
MALT Computation Algorithm, Methodology, Theory, Software
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Installation Problems of CDEGS under Windows 98
Last Modified: Dec 03, 2004
2004/12/03
1
answer
List of files to keep in order to regenerate CDEGS plots.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Computing a voltage difference (as opposed to a GPR difference) with HIFREQ.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Behavior of HIFREQ in the presence of large impedances.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Magnitude of Signal at the End of the Time Window
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Error Message when Using GPR Energization
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Accounting for the Phase Difference when Computing Voltage Differences.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Using Multiple GPR Energizations on the Same Structure
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Distribution of Observation Points for the Computation of Touch-Voltages.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Improving the Goodness of Fit in RESAP
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Verifying the Voltage Drop Across a VOLTAGE Energization
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Computing the Potential at Points Close to a Conductor
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Extracting Data from a F09 File
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Optimal Segmentation Strategy in MALT, MALZ and HIFREQ
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Computing the Grid Impedance in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling Reinforced Concrete Foundations
Last Modified: Sep 09, 2016
2016/09/09
1
answer
Modelling Insulators in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling of Building Foundations
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Large Touch Voltages in "High Over Low" Soil
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Units of Forward Fourier Transform in FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Carrying out a Simple Transient Study using HIFREQ/FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Two Current Density Calculation Reports in MALT Output File.
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Printing Tabular Data In Input Toolbox
Last Modified: Dec 03, 2004
2004/12/03
1
answer
System Requirements for HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Usage of Muliple Processors in CDEGS
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling a Lightning Channel in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
ENERGIZATION in MALZ
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Effects of Approximations in TRALIN
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Specifying the computation frequency in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Aligning Conductors Against a Specified Line
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Recovering from errors when generating FFTSES databases
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Definition of Computation Methods for Step Voltage
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Memory Swapping During Matrix Inversion
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Memory Limits in MALZ.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Subdivision in SESCAD
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Adjusting Internal Impedances of Conductors in HIFREQ
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Extracting Time-Domain Results From FFTSES & Using FileView to Create Spreadsheet-Compatible Data
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Modelling a Conductor Bundle in HIFREQ
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Transferring Data Between MALT, MALZ and HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Restoring the Old Color Patterns in 2D Spot Plots
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Calculation of Safety Limits in Output Toolbox
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Effects of Insulation Layer Resistivity Greater than Sub-Surface Layer Resistivity.
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Surge Impedance
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Setting the Maximum Number of Busses in SPLITS
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Touch Voltages Around Disconnected Structures in MALZ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Exporting MALT Computation Data
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Usage of GPR, Scalar Potential, Gradient of Scalar Potential and Vector Potential in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Computing Magnetic Fields Around Buried Cables
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Standards for Safety with Transients
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Difference Between Reach-Touch and Touch Voltages
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Increasing the Grid Limits in Input Toolbox
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Large Graphics File Size in FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Frequencies that Must be Run in a Transient Study.
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling a Grounding Grid with a Known Impedance in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Memory Usage in MALZ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Physical Meaning of Leakage Currents in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling Retardation Effects in HIFREQ/FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Reducing the Run Time of MALT and MALZ
Last Modified: Dec 03, 2004
Computation Speed
2004/12/03
1
answer
How to Combine Inductive and Conductive Components from AC Interference Study
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Software Validation Information
Last Modified: Jan 11, 2006
2006/01/11
1
answer
Modelling coated plates in MALZ / HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
RMS versus Peak Values in CDEGS Software
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling a Realistic Square Wave Transient in FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling the Frequency Dependence of Soil Parameters in HIFREQ / MALZ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Currents on Non-Faulted Phases in a Fault Scenario
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Editing Conductors that are Part of a Group in SESCAD
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Using MALZ in Transient Analyses
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Identifying Curves in FFTSES Plots
Last Modified: Dec 03, 2004
2004/12/03
1
answer
The Meaning of Modulated Frequency Spectrum
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Interpretation of HIFREQ Frequency Results
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Computing Touch Voltages with FFTSES.
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Approximating Non-Circular Conductors
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Reducing the number of recommended frequencies in FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Effects of Soil Ionization
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Using TRALIN to Compute Symmetric Components
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Controlling Printing in GraRep
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Sizing Conductors for Ampacity
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Computing Magnetic Fields in MALZ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Sizing Grid and Overhead Conductors
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Step and End-Point Modes for Profile Specification in SESCAD
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Segment limits in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Effects of Magnetic Materials in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling Cables in HIFREQ
Last Modified: Apr 27, 2011
2011/04/27
1
answer
Modeling antennas with HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling a Fence in MALT
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Transient Behavior in High Resistivity Soils
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Using the "Zoom Polygon" in AutoGrid Pro
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Modelling Flat Conductors (Strip)
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Installing CDEGS on Two Different Computers
Last Modified: Jan 16, 2013
2013/01/16
1
answer
Assigning a Radius to Conductors Imported from a DXF File
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Differences Between MALZ and HIFREQ in Input Impedance at High Frequency
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Purpose of Sampling Exponent
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Modelling an ACSR conductor in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Circulating Currents in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Finding the Number of Observation Points on a Profile
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Resolving Time Delays in HIFREQ-FFTSES
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Unable to Plot in FFTSES
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Computing Eddy Currents in HIFREQ
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Modelling a Concrete Floor
Last Modified: Sep 09, 2016
2016/09/09
1
answer
Change of Scale when Importing a DXF File
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Implementing Impedance Matching in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Transient from De-Energized Line
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Resistance, Capacitance and Inductance in HIFREQ
Last Modified: Dec 03, 2004
2004/12/03
1
answer
Defining a Conductor Type in HIFREQ
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Differences Between Modulated and Unmodulated Response in FFTSES
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Standard Surge Error Messages
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Exporting a Hot-Zone Contour Plot to AutoCAD
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Navigation Problems in Computations/Advanced Screen
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Effects of Fault Clearing Time on Safety Thresholds
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Modelling Electromagnetic Fields Above Ground
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Purpose of Maximum Number of Frequency Samples
Last Modified: Dec 02, 2004
2004/12/02
1
answer
How to handle cases with very large numbers of conductor segments.
Last Modified: Dec 06, 2004
2004/12/06
1
answer
Modelling a transmission line with no shield wires
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Computation of Touch Voltages
Last Modified: Dec 02, 2004
2004/12/02
1
answer
Improving the computation time in Right-of-Way
Last Modified: Feb 04, 2005
Computation time, ROW
2005/02/04
1
answer
Modeling a dummy conductor but not a dummy phase
Last Modified: Feb 04, 2005
dummy conductor, dummy phase
2005/02/04
1
answer
Using Monitor Fault module for a system without neutral wires
Last Modified: Feb 07, 2005
Monitor Fault, neutral wires
2005/02/07
1
answer
Modeling a moving train in Right-of-Way
Last Modified: Feb 07, 2005
rail-to-rail, train, insulating joints, GPR
2005/02/07
1
answer
Using uniform soil model versus two-layer soil model in Right-of-Way
Last Modified: Feb 07, 2005
uniform soil, two-layer soil, model
2005/02/07
1
answer
Computing the pipeline coating stress voltage
Last Modified: Feb 07, 2005
coating stress voltage, pipeline, GPR, coating resistance
2005/02/07
1
answer
Modeling ballast as a coating in MALZ
Last Modified: Feb 07, 2005
ballast, rail, coating resistivity
2005/02/07
1
answer
The coordinate system in Right-of-Way
Last Modified: Feb 07, 2005
line path, Y-axis, Y-coordinates
2005/02/07
1
answer
Do all points along a given path need to have increasing X-coordinates in a terminal?
Last Modified: Feb 07, 2005
x-coordinates
2005/02/07
1
answer
The required capacity of the storage array (1213201) exceeds available storage capacity (900001) (when running the SPLITS module).
Last Modified: Feb 07, 2005
exceed limit, capacity, array
2005/02/07
1
answer
Definition of the two options under the heading of "Short-Circuit" when defining a path for a region of a terminal
Last Modified: Feb 07, 2005
2005/02/07
1
answer
If a conductor starts on one set of towers and then transfers or moves to another set of towers
Last Modified: Feb 07, 2005
2005/02/07
1
answer
Switching from the classic style to the integrated style
Last Modified: Jan 19, 2006
Interface, integrated style, classic
2006/01/19
1
answer
No CDEGS Protection key detected
Last Modified: Jan 19, 2007
Protection key
2007/01/19
1
answer
How do I install a local (stand-alone) key?
Last Modified: Jan 29, 2015
Local standalone Key
2015/01/29
1
answer
How do I install a network key?
Last Modified: Jan 19, 2007
network key
2007/01/19
1
answer
Installation of .NET Framework Service Pack May Fail If Security MS05-004 Is Installed
Last Modified: Jan 19, 2007
2007/01/19
1
answer
Runtime Error 430 when installing the SES Software 2006
Last Modified: Aug 13, 2007
Migration, installation
2007/08/13
1
answer
Comparisons between Direct Measurement of Transmission Line Impedances and Computations
Last Modified: Apr 22, 2008
Transmission Line Impedances, Measurements, Computations, Comparison
2008/04/22
1
answer
How do I activate my protection key?
Last Modified: Nov 09, 2009
activate, key
2009/11/09
1
answer
Acceptable RMS Error in RESAP
Last Modified: Dec 16, 2009
Curve, Fitting, MAtch, Measured, Computed
2009/12/16
1
answer
How Do You Model a Building Interior?
Last Modified: Dec 29, 2009
Inside Building, Touch Voltages, Step Voltages, Safety, Indoor GIS, Indoor Substation
2009/12/29
1
answer
How Do You Model Backfill Material Around a Conductor?
Last Modified: Dec 30, 2009
Backfill, Bentonite, Ground Enhancement Material, Earth Enhancement Material
2009/12/30
1
answer
How to Specify a Monopole or Downlead in the Transmission Line Section of SESShield
Last Modified: Jan 15, 2010
SES-Shield, SES Shield, Cylindrical Conductor, Surge Impedance
2010/01/15
1
answer
In ROW | Creating Total Interference model, which energization type (Tower Shunt Current vs. Tower GPR) should be selected?
Last Modified: Mar 02, 2010
Total Interference, energization type, tower shunt current, tower GPR
2010/03/02
1
answer
Why the SES Software still reports “The security key is not activated on your PC, please use SESLicenseManager to activate it” even after I used SESLicenseManager to activate the SES Software?
Last Modified: Jun 25, 2010
SESLicenseManager, activate
2010/06/25