Produces Time versus Current Coordination drawings

Arc Flash Evaluation

Calculate the incident energy & arc flash boundary for each location

Equipment Evaluation

Compares protective device ratings with short-circuit calculations

Auto Coordination & Eval

Instantly identify coordination and protection issues

Cable Ampacity

Calculation of ampacity and temperature rise in various installations

A_Fault (ANSI)

Fault calculations in full compliance with the ANSI C37 standards

IEC 60909 Fault

Calculates short-circuit currents using the equivalent
voltage source as required by the IEC 60909 standard

IEC 61363 Fault

Calculates short-circuit currents for marine or offshore
installations as required by the IEC 61363 standard


• OneLine Interface
• Comprehensive Library
• Fault Analysis
• Load Flow
• Demand Load
• Cable & Transformer Sizing
• Panel Schedule


Analyze all aspects of motor starting problems accurately


Simulates resonance and harmonic distortion in
industrial, commercial, and utility power systems


Simulate system response during & after transient
disturbances such as faults, load changes, switching, etc.

Unbalanced/Single Phase

Simulates systems with single-phase, two-phase
and unbalanced three-phase load conditions.

Distribution Reliability

Calculates reliability indices & cost
effects for alternative system designs

DC System Analysis

Battery Sizing, DC Load Flow, DC Short Circuit (ANSI & IEC)

IEE Wiring

Cable sizing based on B.S 7671 Wiring Regulations

Data Exchange

Automate work processes between SKM and SPEL

stand alone applications


Substation ground grid design & analysis


Calculate the incident energy & arc flash
boundary for any point in a power system

PTW Data Collection

Data entry and system modeling software

PTW Viewer

View only software for existing projects





Solves complex 3D cable pulling
tension & sidewall pressure calculations