Use the tool to select the source library ( .lib file).
The protective device coordination module uses the detailed time-current characteristics of circuit breakers and fuses from the library to simulate and plot TCC (Time-Current Characteristic) curves, ensuring proper relay coordination. 3. Load Flow and Harmonic Analysis
Time-Current Curves (TCC) for protection relays, damage curves for transformers, and acceleration profiles for large industrial motors. Core Component Categories etap library
The library spans thousands of models across several major asset types:
Protective device coordination is one of the most frequent use cases for ETAP. The TCC library includes millions of verified curves from global manufacturers (such as ABB, Schneider Electric, Siemens, and Eaton). It features: Use the tool to select the source library (
At its core, the ETAP Library is a centralized, relational database containing validated engineering data from global equipment manufacturers. Instead of manually entering dozens of technical parameters for every single component in a one-line diagram, engineers can simply select a manufacturer and model from the library to automatically populate the required fields.
: Link the breaker model to its specific trip unit in the software. Load Flow and Harmonic Analysis Time-Current Curves (TCC)
Click the button to unlock modifications (requires administrative privileges within the project). Click Add to create a new manufacturer or model entry.