DigSILENT PF - 02 basic pf structure
- 1. 1 DIgSILENT PowerFactory Structure and Handling DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 2 PowerFactory Software Structure Graphic Editor Single Lines Station Graphics Output Graphics Tables/Filters Data Bases Data Management System Stages / Variations Study Cases External DB GIS / SCADA / PowerWare Functions Models Algorithms PowerFactory DB Single-User Multi-User
- 2. 2 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 3 Graphic User Interface Graphic Window Data Manager Icon Bars DrawingToolbox Output Window Project overview DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 4 Data Structure
- 3. 3 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 5 Basic Concepts • All data is stored in a database. • The network topology is also presented graphically. • Two ways of accessing data: – Via the graphical user interface – Via the data manager DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 6 The Main Database Structure Library User 1 User 2 User 3 Project Library Global Library: Only administrator is allowed to make changes Local Library: User 3 is allowed to make changes
- 4. 4 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 7 The PowerFactory Project • A Project is the complete set of data: - Network Models & Diagrams - Demand/Generation Patterns - Type and Operational Libraries - Calculation Commands (Load Flow, Short Circuit, Contingency, etc.) - Results, etc. • In a project, data is organized in a set of folders (workbook structure) DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 8 Project Structure • Library • Equipment Type Library • Operational Library • DPL Scripts • Templates • Userdefined Models
- 5. 5 • Library • Equipment Types • Operational Data • DPL Scripts • Templates • User Defined Models DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 9 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 10 Equipment Types A Type holds the essential electrical information for each class of component as usually provided in manufacturer´s datasheets. E.g. the cable type data : • impedance values per length • rated voltage and current, … The library can contain sub-folders for each class.
- 6. 6 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 11 The Operational Library contains following data that can be applied to elements in the network data: • Circuit-Breaker Ratings • Thermal Ratings • Mvar Limits Curves • Outages • Demand Transfer • Running Arrangements (RA) • Faults: Fault Cases and Fault Groups Operational Library DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 12 Topology and Operational Data Project Operational Data Element 1 Study Cases Network Data: Element – Type Concept … Element 2 General Definitions “Manufacture´s Datasheet”Type A … Equipment Types Grid Operation Scenarios (optional) Operation Point A Limits A Operation Point B Limits B
- 7. 7 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 13 Project Structure • Network Model • Diagrams • Network Data • Variations DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 14 Network Model The network model contains all electrical and graphical information. The model can be divided into: • Network Diagrams: Overview, Single Line and Substation Diagrams of all networks contained in the project. • Network Data: network components, switches, topology, controller models, etc. • Network Variations: e.g. reinforcements, new lines or stations. • Additional data like: Areas, Zones, Feeders, Routes, Circuits, Paths, Boundaries, Virtual Power Plants, Owners, Operators
- 8. 8 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 15 Network Data - Example of tree structure Site X (optional) 400kV Substation 275kV Substation Interconnecting 400/275kV transformers Busbar A Busbar B Switch 1 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 16 Project Structure • Network Model • Diagrams • Network Data • Variations
- 9. 9 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 17 Network Diagrams • Elements can be represented graphically in more than one single line diagram, but only once per single line diagram Electrical Data and Topology Overview Diagrams BranchesSubstations Simplified Single Line Diagrams Graphical Representation in Diagrams Detailed Single Line Diagrams DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 18 • Zooming • Undo-Function • Graphics Options General adjustments (Format, ..) • Layer-Concept (Show/Hide/Format) for scalable complexity • Comprehensive Colouring by Criteria • Printing incl. Preview, Graphical Diagram Export (*.wmf, *.bmp) Network Diagram: General Functions
- 10. 10 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 19 Network Diagram: Working Modes „Freeze“ Mode: Entering and Changing Data, e.g. Switching or Changing of Loads (P, Q) No Graphical Changes possible Changing of Result Box Formats Graphic Mode: Changing the Graphical Representation, e.g. Moving, Rotating, Deleting of Elements, Changing the Size of Busbars / Terminals Re-Connect Elements Changing Position, Size and Orientation of Text and Result Boxes DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 20 Network Diagram: Handling • Double Click on Symbol Opens Entering Dialogue • Double Click on Switch Opens / Closes Switch • Keyboard Shortcuts: - „Shift“ while Moving „Ortho“ (moves only in horizontal or vertical direction) - „Ctrl“ while Selecting -> Multiple Selection of several elements - „Ctrl“ while Drawing Loads/Generators … -> 180° Rotation - „Ctrl“while Drawing Loads/Generators Busbars/Terminals -> 90° Rotation - „Ctrl“ + „C“ Copy marked Object - „Ctrl“ + „V“ Paste copied Object (Graphic + Data)
- 11. 11 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 21 Project Structure • Study Cases DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 22 Study Cases • The Study Case specifies the grids, operation scenarios, variations and calculation options to use for a study. • Therefore, the study case holds: – Links to active Grids, Operation Scenarios and Variations – Study Time – Calculation command definitions (Load-flow settings, etc.) – Results of calculations – Outage definitions for contingency analysis – Graphical settings (Plots; Visibility of Diagrams, Frames, and Blockdefinitions) – etc. • A concept of study case allows the user to reproduce results.
- 12. 12 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 23 Project overview window • The project overview window helps to keep the overview of the project • It is listed – Study Cases – Grids – Variations – Operation Scenarios DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 24 Data Management
- 13. 13 DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 25 Undo Functionality • All changes are internally recorded by a “time stamp” in a project “history”. • The Undo function can go back in the project history. • Undo includes all data changing (e.g. done inside the Data Manager) • The history is cleared upon project deactivation. • Changes can be: – Deleting, changing, adding elements – Graphical changes – Modifications of parameter values – Multiple simultaneous changes will be recorded as one change – … DIgSILENT PowerFactory Training „Load Flow and Short Circuit Calculation“ 26 Tracking Changes in Object Data Last Modified information: • Shows a time stamp, when the object has been touched the last time. • The user who is responsible for the change is shown. Information allows: • Check when/if object has been changed. • Whom to ask. Important: ANY change is considered!