Evaluation of n-1, n-2, n-k faults using AC, DC and AC linearised analysis methods. Features include single and multiple time phase analysis, post-fault remedial action schemes and time sweeps.

Uses measurement data applied to the network model in order to get consistent load flow results, through a process of bad data identification, observability analysis and state estimation. Mainly used in the context of custom developments, integrated into automated processes.

Steady-state analysis of networks over medium and long term time-scales, taking parameter characteristics and network variations into account. QDSL functionality allows user-defined model behaviour to be incorporated.

Analysis of medium-/long-term network transients under both balanced and unbalanced conditions, including a Simulation Scan option and a Frequency Analysis tool. Use of DSL (DIgSILENT Simulation Language) for model definition.

Network reduction using Ward, extended Ward and REI equivalents. Also offers a Dynamic Equivalent reduction to support dynamic simulations, and a Regional Equivalent method for an optimised representation of surrounding networks.

Analysis of short-term network transients such as lightning, switching and temporary over-voltages, inrush currents, ferro-resonance effects or sub-synchronous resonance problems. Use of DSL (DIgSILENT Simulation Language) for model definition.

Modelling and visualisation of network protection, using a comprehensive relay library, aligned with StationWare. Features the Protection Graphic Assistant for short-circuit sweep diagrams and the Protection Audit tool for validating protection settings.

Assessment of various motor starting scenarios and their impact on the system, using either a static calculation or a dynamic (RMS) simulation.

All the functionality of the Time-Overcurrent Protection module, extended to provide graphical and analytical handling of Distance Protection settings. Features a Protection Coordination Assistant for the calculation of protection settings according to specified rules.

Analysis of small signal stability in a power network, using an eigenvalue analysis tool. Detailed reports of oscillatory modes including participation factors of state variables, controllability and observability, together with interactive eigenvalue, mode bar and mode phasor plots.

Arc flash hazard assessment in accordance with IEEE 1584-2002 and -2018, NFPA 70E-2012 and DGUV 203-077, with graphical and tabular presentation of results and generation of arc flash hazard labels.

Model parameter identification on the basis of system tests and field measurements, working from input reference values generated in PowerFactory or taken from external files. Generic optimisation process, which can also be used for tuning parameters such as PSS settings according to defined model response functions.

Cable Sizing package for determining cable size requirements according to international standards or user-specified criteria, and Cable Ampacity Calculation package for determining cable current limits, depending on cable characteristics, location and environment.

Automation of PowerFactory tasks using Python or the DIgSILENT Programming Language (DPL), with the option of Add-on Modules to allow users to extend the existing PowerFactory Functionality. Task Automation Tool for parallelised execution of calculation functions and scripts. API (Application Interface): C++ interface for full external automation of PowerFactory.

Network model analysis in the frequency domain, according to international standards such as IEC 61000-3-60. Features Harmonic Load Flow, Flicker Analysis, Frequency Sweep and Filter Analysis.

Use of Artificial Intelligence techniques in Quasi-Dynamic Simulations. Neural networks are created and trained for given network topologies, using randomised datasets generated via Probabilistic Analysis. These are then used in Quasi-Dynamic Simulations for extremely fast approximations.

Power quality assessment according to D-A-CH-CZ, BDEW 2008, VDE-AR-N 4105 and VDE-AR-N 4110. Connection requests can be assessed for a range of aspects, such as voltage changes, flicker and harmonics.

PowerFactory executed as an OPC client, able to communicate with an OPC server controlled via an external source. OPC DA (data access) and OPC UA (unified architecture) standards supported. Typically used for integration with SCADA and control systems.

Package of tools for transmission network planners and operators: PV curves and QV curves , Power Transfer Distribution Factors and Transfer Capacity Analysis. Also included is the Outage Planning module, which allows planned equipment outages to be applied to the network.

Co-simulation with an external application using the FMI (Functional Mock-Up Interface) standard.

Package of tools for distribution network planners and operators: Hosting Capacity Analysis, for the evaluation of the maximum distributed energy resources (DER) and/or spare load capacity of a network, and a range of optimisation tools, such as Tie Open Point Optimisation and Optimal Equipment Placement. Also included is the Outage Planning module, which allows planned equipment outages to be applied to the network.

Import and conversion of CIM archives. CIM model editor and validator tool. ENTSO-E Profiles 2009, CGMES 2.4.15 and CGMES 3.0 supported.

Techno-Economical Analysis function for the economic assessment of network development options, taking into account network losses and investment costs. Power Park Energy Analysis function for the economic assessment of power parks, the basic analysis being used for the assessment of wind parks using wind speed distributions.

Import and conversion of CIM archives, and conversion of network models and export as CIM archives. CIM model editor and validator tool. ENTSO-E Profiles 2009, CGMES 2.4.15 and CGMES 3.0 supported.

Power flow and optimal power flow assessment based on probabilistic input data, using Monte Carlo or Quasi Monte Carlo methods. Numerous data distribution types supported, including distributions based on historic data, and options for modelling dependencies via correlation objects. Statistical results and wide-ranging post-processing and plotting options.

Import and conversion of CIM archives, as well as conversion of network models and export as CIM archives. CIM model editor and validator tool. ENTSO-E Profiles 2009, CGMES 2.4.15 and CGMES 3.0 supported. Single corporate licence as opposed to purchasing individual licences.

Package of assessment tools for evaluating network interruption frequencies and costs, including Contingency and Restoration analysis, an optimal power restoration process and Optimal Remote Control Switch Placement. Also included is the Generation Adequacy Analysis function for analysing system supply capabilities.

Protection of DPL, DSL and QDSL coding, with password protection. Without the password, encrypted DPL scripts and DSL/QDSL models can be used, but the code cannot be accessed.

Network power flows optimised according to the selected objective function (minimisation of losses or maximisation of reactive power reserves) using selected controls (such as generator reactive power and transformer tapping), whilst observing selected constraints (such as power flows limits).

Export of the network model in PSS/E format, comprising steady-state and dynamic data sets. File formats *.raw, *.seq and *.dyr are supported.

Optimisation using cost-related controls such as generation active power dispatch. DC optimisation also allows contingency analysis (n-1, n-2, n-k faults) to be included.

Modelica Model Type (TypMdl) can be exported from PowerFactory and later on imported in an FMI import compliant third party simulation tool.

Unit scheduling and dispatch over a period of time, optimising for the minimisation of operating and market costs whilst taking generator operational parameters and network constraints into account. Storage devices, HVDC links and phase-shifters also considered. Option to integrate with external solvers such as CPLEX or GUROBI for faster solutions.