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PowerFactory Monitor Dynamic System Monitor and Model Verification. Specific DSM Requirements. PFM/DSM – Background & History. Specific DSM Requirements High Precision Recording of different Time Frames (Instantaneous Values, RMS Values, “Synthetic” Values Most Flexible Trigger Conditions

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PowerFactory Monitor Dynamic System Monitor and Model Verification


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    1. PowerFactory MonitorDynamic System Monitor and Model Verification

    2. Specific DSM Requirements PFM/DSM – Background & History Specific DSM Requirements High Precision Recording of different Time Frames (Instantaneous Values, RMS Values, “Synthetic” ValuesMost Flexible Trigger Conditions (RMS, IV, Synthetic, Manual) Continuous Recording over Years Flexible Analysis Features Integrated Applications What the PFM/DSM not is ! Fault Recorder for the Protection Engineer Replacement of SCADA System Power Quality Meter Sophisticated Multimeter Power System AnalysisOperation & PlanningSystem Control & Performance System Performance Frequency Control Voltage Control Voltage Stability Voltage Quality Plant Performance Primary/Secondary Control Excitation Systems Prime Mover Load Performance Voltage Dependency Frequency Dependency Load Transients DIgSILENT PFM/DSM

    3. Utility Needs for PFM/DSM Pre-fault time: 50ms – 5s Fault time: 100ms – 5s Post-fault time: 100ms -1s Sampling rate: 1-20 kHz Inst. Values Fault Recording Fault Current Detection Transient Overvoltages Protection Response Check DSM Functions To capture Short-, Mid- and Long-term transients Provide User-definable Trigger for Analysis Provide System-wide Overview Integrate/Cooperate with Power System Software Allow for Flexible and Efficient Analysis SCADA Systems “Steady State” Recording Steady State Supervision Trending Analysis / Statistics Permanent Recording Sampling rate: 0.2-0.5 Hz RMS Values DIgSILENT PFM/DSM

    4. Generation Outage, Load Rejection, Frequency Response Voltage Stability Monitoring / Voltage Recovery Capability Supervision of Connection Conditions (AVR / Prime Mover) Power Oscillation Detection and Analysis (Load / Generator) Generator, Motor and Load Parameter Measurement Power Plant Measurement and Identification (Governor, AVR, PSS etc.). Power Quality Metering: Voltage Dips/Harmonics PFM/DSM ApplicationsFault Recorder and Monitoring System….and more… DIgSILENT PFM/DSM

    5. Integrated Power System Software & DSM PFM/DSM – General Concept PowerFactory SoftwarePower Flow / Fault AnalysisProtection Simulation Harmonics / Power Quality System Dynamics / Transients System Modelling / Identification Flexible Simulation Model „Measurement Setup“ Analog / Digital I/O Real-Time Simulation Engine DIgSILENT PFM/DSM

    6. Integrated Power System Software & DSM PFM/DSM – General Concept • PF Components to build PFM/DSM Functionality • Project Organization and Database • Object Handling & Definitions • Flexible Measurement Project Setup • Graphic Desktop Capabilities • Definition of synthesized Signals • Flexible Definition of Trigger Conditions • Utilisation of Virtual Instruments (VIs) • Online Views & Remote Access • Automated Post processing via DPL Scripts • Direct interaction with modelling & system identification • Direct integration of simulation models DIgSILENT PFM/DSM

    7. Express Tour on PFM/DSM Hardware Software Application General Concept DIgSILENT PFM/DSM

    8. USBPort Configurations 19” Cabinet Rack Mounted Substation Power Plant VT CT Transducer 20 mA / 10 V / 5A Portable Version Portable Signal and Data Acquisition Unit USB Driver PowerFactory DIgSILENT PFM/DSM

    9. Data Acquisition Unit (DAQ) Computer Interface Up to 4x16 channels USB Port Portable Version Rack Mounted Version USB Port Up to 4x32 channels Isolation Transformer A/D Converter 16 bit Signal Conditioning VT, CT, Transducer CT Input Nominal Input Range: 1,5 or 10 A Input range selection: via card category Measuring range: 4x In Accuracy: 0.2 % Overload capability: 50A -3s, 150A -1s 4x In -continuous PT Input Nominal Input Range: 150V p-n Input range selection: not applicable Measuring range: 5x Vn Accuracy: 0.2 % Typical Characteristics • Three Phase Input Current (0-5 A); Voltage (0-100 V; 0-10V) • Single Phase Voltage (10 V); Current (-20 - 20 mA) • Bandwidth: 15 kHz • Input Resistor: 1 M • Isolation Voltage: 2000 VAC • Digital Signal Accuracy: better than 0.5 % • Sampling Rate / Channel: up to 7.8 kHz ( => 130 samples / cycle) Digital I/O Digital Input: 8 ch +/- 5V per 32 analogue inputs Didital Output: 2 ch, 3*dry contact, 10 A SU output: +/- 10 V DIgSILENT PFM/DSM

    10. Full Integration within the PowerFactory Software Data Processing and Evaluation is done within PowerFactory Configurable Ring Buffer (Number of Channels, Overwrite Time) Graphical Set-up of Measuring Configuration, Configurable Channels Various Automatic Trigger Conditions, Precise GPS Time Stamp On-line Display of Measurements (Digital, RMS Time Plots) Analysis of Recordings (Instantaneous Values, RMS Values) Accurate Determination of the System Frequency User-friendly Range Scaling Remote Set-up, Operation and Monitoring of Measuring Process Mode of Operation - FeaturesData Acquisition and Data Processing DIgSILENT PFM/DSM

    11. Principle of Operation Data Processing Daily Recordings GPS Time Stamp -1 μs configurable overwrite time Continuos Monitoring and Recording DAQ Data Acquisition Unit Raw Data Ring Buffer Sampling Rate: max. 7.8 kHz Triggered Events On-Line Display Instantaneous Values RMS Values Event List / Protocol File Sampling Rate: 15-30 Hz DIgSILENT PFM/DSM

    12. Continuous Monitoring Digital Display of Any Measured or Calculated Quantity User-Defined Monitor Layout with the Help of Scaleable and Movable Virtual Instruments Configurable Refresh Rate Daily Recordings and Database Storage Adjustable Sampling Rate DIgSILENT PFM/DSM

    13. Representation of Triggered Events Instantaneous Value Representation Variable Sampling Rate of Recordings RMS Representation 0.1 mHz Accuracy for Power System Frequency Phasor Representation Harmonic Distortion Representation DIgSILENT PFM/DSM

    14. Measurement Configuration Variable Sampling Rate Comfortable User-Defined Trigger Conditions • Trigger Condition Applicable for Each Quantity • Voltages, Currents, Powers • Frequency, Harmonic Indices • Pre-Defined Trigger User Dialogues: • Maximum / Minimum Value • Number of Measurement Points for Set / Reset Condition • Gradient Evaluation • Pre-Defined Date / Time Triggering • Programmable Trigger Settings by Using the • DIgSILENT Simulation Language (DSL) Variable Ring Buffer Size Adjustable Size of Measurement Files • Free Selection of Measured and Calculated Signals • Definition of Pre-Trigger, Post-Trigger and Re-Trigger Time Frame DIgSILENT PFM/DSM

    15. Trigger Configuration Configurable Pre, Post and Re Trigger Times User-Friendly Trigger Handling Adjustable Trigger Conditions DIgSILENT PFM/DSM

    16. Storage of Measurement Data Saving of Measurements in a Hierarchical Database Precise GPS Time Stamp Definition of Measurement File Contents Accurate Documentation of Measurement Contents Data Analysis Based on the Full Range of PowerFactory Graphic Display Tools DIgSILENT PFM/DSM

    17. Flexible Measurement Configuration Hardware Configuration Soft-Transducer for all Electrical Quantities e.g.: Active Power Reactive Power Frequency Definition of User-Programmable Trigger Conditions Real Time Calculation of User-Defined Signals DIgSILENT PFM/DSM

    18. Easy to Use Signal Calibration Hardware Configuration Hardware Calibration Converter Configuration Converter Calibration DIgSILENT PFM/DSM

    19. Application Example Determination of Power Plant Dynamics DIgSILENT PFM/DSM

    20. Approach: Parameter Identification DIgSILENT PFM/DSM

    21. Setup of User-Defined Control Structure Models are defined using DSL: DIgSILENT Simulation Language Use of fully integrated graphic tools DIgSILENT PFM/DSM

    22. Gas Turbine Verification DIgSILENT PFM/DSM

    23. Full Scale Tour on PFM/DSM PFM/DSM Hardware PFM Software PFM/DSM Integration General Concept DIgSILENT PFM/DSM

    24. General Concept Typical PFM/DSM Layout Control Unit: IPC with 2-XEON CPU 16 Bit , 250 kHz A/D Daq Unit • Key Advantages for the PFM/DSM • Each PFM is it’s own intelligent “Master Station” • Could be operated without display/mouse/keyboard • Local storage capacity for several years • Easy update of software and hardware • Making use of standard components • Flexibility for upgrades and modifications 15” XGA TFT Screen (opt.) Space for flexible Usage (e.g printer) Mouse / Keyboard (opt.) UPS (opt.) Signal Unit for A/D I/O DIgSILENT PFM/DSM

    25. General Concept Operation Modes Physical Access: • From where to access the PFM/DSM • How to access the PFM/DSM Access of Data: • Where is the various information stored • How can the data be accessed and displayed Access of Information: • How is an incident detected • How can important information be retrieved ??? DIgSILENT PFM/DSM

    26. Modes of Operation – Physical Access Trivial Mode: Local Access General Concept • Examples • Commissioning of PFM • Plant Commissioning • local SCADA extension • local tests DIgSILENT PFM/DSM

    27. General Concept Modes of Operation – Physical Access Remote Access via Terminal Client PFM Master Station Slow Modem Connection Access of Data 3 Possible Operation Modes Modes A-B-C Fast TCP/IP Connection DIgSILENT PFM/DSM

    28. Modes of Operation - Access of Data Mode A Captured Data Reside on each PFM/DSM PFM/DSM Access via Terminal Client Setup – Review – Analysis (SRA) Typical Solution for slow Modem Connection General Concept DIgSILENT PFM/DSM

    29. General Concept Data Access - Mode ‘A’ of Operation Remote Access via Terminal Client DATA PFM Master Station Slow Modem Connection DATA DATA DATA VIEW only Access of Data Via Terminal-Client Fast TCP/IP Connection DIgSILENT PFM/DSM

    30. Modes of Operation - Access of Data Mode B Captured Data Reside on Master Station PFM/DSM Access via Terminal Client for Setup Master Station Operation for Review & Analysis General Concept DIgSILENT PFM/DSM

    31. General Concept Data Access – Mode ‘B’ of Operation Access via Master Station PFM Master Station Slow Modem Connection DATA DATA PFM 1-x VIEW +++ Direct Access of Data Fast TCP/IP Connection DIgSILENT PFM/DSM

    32. Modes of Operation - Access of Data Mode C (optional) All Captured Data Reside on PFM/DSM Most Relevant Data Reside on Master Station PFM/DSM Access via Terminal Client for SRA Master Station Operation for Review & Analysis and Online Display (Wide Area Measurement) General Concept DIgSILENT PFM/DSM

    33. Access of Information What is the Output of a DSM / year ? 100.. GB data and 100.. kg paper with colour prints ! Who is going to review the 100.. of DSM Recordings ? The Secretary and the GM ! More DSM intend to produce “Data Garbage” General Concept DIgSILENT PFM/DSM

    34. Access of Information PFM/DSM offers 2 Solutions: 2-Level Data Storage (WAM) Intelligent Data Post Processing via DPL Scripts Combination of both General Concept DIgSILENT PFM/DSM

    35. General Concept PFM/DSM I PFM/DSM II Access of Information 2-Level Data Storage (WAM) PFM/DSM III Master Station Continuous Transfer of WAM Records Modem / Fast Ethernet Link Remote Access via Terminal Client Direct Access for WAM Records PFM Local Records Monitoring RMS Event Recording IV Event Recording PFM WAM Records WAM Recording WAM Online Display WAM = Integrated View of ALL PFM/DSMs featuring Integrated Analysis DIgSILENT PFM/DSM

    36. Remote Access via Terminal Client Direct Access for WAM Records PFM Local Records Execution of DPL Scripts Examples Local / WAM Generation of Information Statistics (u/f histograms) Type of fault and basic pattern Determination of Control Performance Parameter Identification (load, plant) Generation Print /pdf - Send E-mail PFM WAM Records Execution of DPL Scripts General Concept Access of Information Intelligent Data Post Processing via DPL Scripts PFM/DSM Master Station Continuous Transfer of WAM Records Modem / Fast Ethernet Link DIgSILENT PFM/DSM