To test new control theories and smart-grid concepts. PSSE vs. Competitors
The most critical step. The engineer simulates a three-phase fault (0.1 seconds duration) on the adjacent 230 kV line, cleared by opening the breaker. PSSE plots the rotor angle of remote conventional generators and the terminal voltage of the solar inverter. If the inverter trips off due to low voltage ride-through (LVRT) failure, the engineer tweaks the plant's controller parameters (PSSE allows custom FORTRAN or Python dynamic models) and re-runs the simulation. Psse Software
Running thousands of "N-1" and "N-2" contingency scenarios (simulating the loss of one or two critical assets) and automatically compiling violation reports. To test new control theories and smart-grid concepts
Checks if transmission lines or transformers are carrying current beyond their physical heat tolerances. The engineer simulates a three-phase fault (0
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Using the Newton-Raphson algorithm, the engineer runs a load flow. PSSE quickly solves for voltages. If the Point of Interconnection (POI) voltage drops below 0.95 pu, the engineer uses the or Transformer LTC settings in PSSE to adjust reactive power compensation.
Highly popular in Europe; known for a more modern user interface and excellent wave-form (EMT) simulation capabilities.