Short Circuit Analysis

Instant Results, Comprehensive, Graphical Summary Perform Device Duty Calculations using ETAP's short circuit analysis software which allows you to determine fault currents and automatically compare these values against manufacturer short circuit current ratings. Overstressed device alarms are displayed on the one-line diagram and included in short circuit analyzer and study reports. Analyze the effect of balanced and unbalanced faults using ETAP short circuit analysis software:

• 3-phase or 1-phase
• Line-Ground
• Line-Line
• Line-Line-Ground ETAP short circuit software makes it easy to go from selecting elements, (from the comprehensive library of short circuit current ratings), to performing dozens of different types of short circuit analysis. Analyzers, plots and reports allow for quick determination of the worst-case fault current device duty.

Short Circuit Software Key Features

• Standards
  • ANSI / IEEE C37 & UL 489
  • IEC 60909
  • IEC 61363
  • GOST R-52735
• Automatic device evaluation for 3-phase, 1-phase, & panel systems
• Balanced and Unbalanced short circuit analysis
• Determine worst case device duty results
• Display critical & marginal alerts
• Load terminal short circuit calculation
• Integrates with Star protective device coordination
• Seamless transition to Arc Flash Analysis
• Generator circuit breaker evaluation
• Short-Circuit Reporting

Short Circuit Software Capabilities

• Automatic 3-phase device evaluation
• Single-phase & panel systems device evaluation
• Device duty evaluation based on IEC 61363 transient short circuit 
• Unbalanced short-circuit analysis
• Device evaluation based on total or maximum through fault current
• Automatically adjust conductor resistance & length (both lines & cables)
• Advanced Wind Turbine Generator and converter short circuit models
• Global or individual device impedance tolerance adjustments for maximum & minimum fault currents
• Include / exclude fault impedance modeling for unbalanced faults
• Include / exclude shunt admittance for branches & capacitive loads (unbalanced faults)
• Graphical or tabular bus fault selections
• Automatically determine fault currents at motor terminals without the need to add additional buses
• Phase-shifting transformers
• Grounding models for generators, transformers, motors, & other loads
• Motor contribution based on loading category, demand factor, or both
• Effect of loading and generator on prefault voltage for transient short circuit
• Short Circuit software extracts manufacturer published data from the libraries for thousands of devices