DigSilent PowerFactory - Power Systems Analysis

Create a basic power system circuit by placing grid, busbars, a generator, and a load, then connect elements via terminals and inspect the graphical view to verify connections.

Model an external grid by double-clicking the element, selecting load flow, RMS, or harmonics, and configuring PCU, PV, or slack with voltage or power set points.

Model a transformer in DIgSILENT PowerFactory by selecting a global type or creating a new project type with rated power, voltages, and short-circuit data for accurate load flow analysis.

Model busbars and loads in DigSilent PowerFactory by configuring voltage types, line connections, and load flow settings to support reliability and power system analysis.

Model lines in DigSilent PowerFactory by configuring line typologies, parallel lines, length, rating, and the choice between distributed parameter and general line models.

Model an asynchronous machine with its transformer and external grid, configure for 0.4 kilovolt and 50 hertz, and define basic, load-flow, and dynamic simulation data within a default project type.

Perform a steady state load flow analysis via the tools menu, choosing methods (balanced, unbalanced, or dc), and configure active power and reactive power control and reference (slack) machine settings.

Master setup and troubleshooting of a load flow by locating and correcting transformer connections and voltages, then run the load flow to resolve synchronous and asynchronous machine issues.

Renaming two synchronous generators and running a balanced load flow with reactive power limits, the lecture shows how to enable automatic active power limit checks to prevent exceeding capacity.

Explore load flow with reactive power limits and priority by assigning one generator as voltage controller and another as power factor, highlighting voltage control conflicts and reactive power support.

Master load flow in an isolated grid using dispatching modes and a reference machine. See how active and reactive power limits, circuit breakers, and voltage control drive calculations.

Reset calculations with F12, set default settings and reactive power limits, then perform load flow using a load reference bus under active power control.

Explore load flow with a static generator at the reference bus, configuring a closed grid and external grid conditions to calculate active power, generator ratings, and transformer losses.

Explore load flow calculation settings, where active power is distributed proportionally among loads, treating them as slack buses and balancing points in PowerFactory simulations.

Learn how load flow uses generation slack and active power control to distribute power among generators, e.g., 30 mw across two generators yields 15 mw each.

Learn how load flow settings manage active power distribution using secondary control and dispatching. Configure an external secondary controller to allocate generator output and maintain grid frequency.

Implement reactive power control using an external station controller in load flow to maintain a 1 p.u. voltage by distributing reactive power among three generators.

Explore edge elements in load flow calculations to customize variables, such as active power, current, and Q. Edit formats, insert rules, and select variables for contingencies and short-circuit analysis.

Explore how the element database in digsilent powerfactory groups and configures generators, loads, and lines for streamlined load flow, with mass editing and Excel export.

Perform steady state short circuit analysis in DigSilent PowerFactory by selecting calculation methods (IEC/ANSI), configuring three-phase faults at various locations, and reviewing generated reports of short-circuit currents and voltages.

Explore dynamic simulations in power factory using the dynamic simulation language (dpl) to model time-varying systems with state equations and numerical integration, including generators, automatic voltage regulators, and converters.

Apply the first step of dynamic simulation with accurate load flow calculations, ensuring balanced initial conditions, reactive and active power limits, and no overvoltage.

Set up dynamic simulation models for power systems by configuring generator dynamics, automatic voltage regulators, governors, and power system stabilizers using templates and composite plant models.

Navigate to the dynamic simulation model in the toolbox, configure initial conditions with RMBS values for a balanced network, set the 0.01 s step size, and execute.

After setting initial conditions, define dynamic simulation variables by selecting generator and bus measurements, then specify results for IMS and AMT simulations to observe voltages, currents, and frequency under stress.

Define events in dynamic simulation by adding a short circuit fault (three-phase or two-phase) and clearing it after 0.2 seconds to study system response.

Create plots for dynamic simulation in PowerFactory by adding a plot page, configuring subplots for generator active power and reactive power, and running the simulation to visualize results.

Export dynamic simulation variables from PowerFactory to external tools like MATLAB or Excel by selecting variables, choosing CSV or text formats, and saving to a directory for plotting.

Learn to define parameter events in dynamic power system simulations to change model variables during a fault, such as adjusting an automatic voltage regulator gain to inspect reactive power responses.

Build a dynamic model from scratch and simulate a load event in DigSilent PowerFactory, configuring loads and plotting voltage, P (active) and Q (reactive) with 50% and 30% steps.

Learn to build a dynamic simulation model from scratch in the silent, using the DSL and DPL, assembling a frame-based composite model with elements and signals.

The lecture guides building a dynamic power system model from scratch by using an external measurement file to control a voltage source for dynamic simulation.

Create a dynamic frame and a block frame diagram in PowerFactory, define slots and a measurement file, then build a composite model with a voltage source for simulation.

Plot the imported signals from the dynamic model, set up initial conditions, and run the simulation to observe voltage disturbances and the resulting reactive power changes across generators and loads.

Define templates to reuse complex models in PowerFactory diagrams, create project templates, and access a template library for wind turbine models, batteries, and photovoltaic systems.

Define and manage study cases to simulate grid events, such as short circuits, using the data manager, activate grids, and customize events for high and low voltage scenarios.

Define scenarios in DigSilent PowerFactory by configuring operation parameters, creating 11 MW and 5 MW loads with 2 MW reactive power, and 15 MW generator, then activate and save.

Create a renewable energy hybrid system featuring wind turbines, a photovoltaic array, and a battery, then run grid, power quality, and harmonics studies to understand their interactions.

Simulate lvrt events for a hybrid renewable system with load flow and short-circuit scenarios. Examine wind turbine, pv, and battery energy storage responses to faults.

Define HVRT events in a study case by injecting reactive power with a shunt reactor to create a voltage dip and test high voltage ride through.

Explore harmonic study and power quality analysis in a renewable energy hybrid system by injecting harmonic currents, modeling harmonics by order, and evaluating harmonic load flow and grid impact.

Learn how to create and apply a parameter event to change a PV array variable inside a dynamic model, observe its impact on active and reactive power and voltage.