Transmission Protection Software

Combine the power of ETAP Star & ETAP StarZ with the most comprehensive Arc Flash Hazard analysis for an integrated transmission protection software for transmission and sub-transmission systems.

ETAP Star provides intelligent tools and powerful capabilities to analyze system protection and troubleshoot false trips, relay and breaker mis-operation, mis-coordination.

ETAP StarZ expands the protective device capabilities to include sliding fault analysis and detailed Distance relay (21) modeling for generator and line protection.

Transmission & Distribution Protection

StarZ™ - Perform system-wide protection studies and evaluate the relay performance.
ArcFault - High Voltage Arc Flash

HV Arc Flash Analysis recommended for systems 15 kV and above
Arc Flash

Arc Flash software identifies and analyzes high risk arc flash areas in AC systems.
Protective Device Coordination & Selectivity

Star™ - An intuitive and logical approach to time-overcurrent protection & selectivity analysis
Automated Protection & Coordination

Star™ Auto-Evaluation - Automated Protection & Coordination Evaluation
Sequence-of-Operation

Confirm the sequence of operation and selectivity of protective devices.
Selectivity Zone & Path Detection

Automatic protective device coordination & selectivity path detection tool
Protective Device Library

Verified & Validated ETAP libraries including protective devices