1. PowerFactory Monitor Dynamic System Monitor and Model Verification

2. PFM/DSM – Background & History
Specific DSM Requirements
Specific DSM Requirements
High Precision Recording of different Time Frames
(Instantaneous Values, RMS Values, “Synthetic” Values Most 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 Analysis Operation & Planning System 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
9/17/2018
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: Hz
RMS Values
9/17/2018
DIgSILENT PFM/DSM

4. PFM/DSM Applications Fault Recorder and Monitoring System….and more…
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
9/17/2018
DIgSILENT PFM/DSM

5. PFM/DSM – General Concept
Integrated Power System Software & DSM
PowerFactory Software Power Flow / Fault Analysis Protection Simulation
Harmonics / Power Quality
System Dynamics / Transients
System Modelling / Identification
Flexible Simulation Model
„Measurement Setup“
Analog / Digital I/O
Real-Time Simulation
Engine
9/17/2018
DIgSILENT PFM/DSM

6. PFM/DSM – General Concept
Integrated Power System Software & DSM
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
9/17/2018
DIgSILENT PFM/DSM

7. Express Tour on PFM/DSM
General Concept
Express Tour on PFM/DSM
Hardware
Software
Application
9/17/2018
DIgSILENT PFM/DSM

8. Configurations 19” Cabinet Rack Mounted Substation Power Plant VT CT
Transducer
20 mA / 10 V / 5A
Portable Version
USB Port
Portable Signal and
Data Acquisition Unit
USB Driver
PowerFactory
9/17/2018
DIgSILENT PFM/DSM

9. Data Acquisition Unit (DAQ) Computer Interface
Up to 4x16
channels
USB Port
Portable Version
Rack Mounted Version
Up to 4x32
channels
USB Port
VT, CT, Transducer
Signal Conditioning
Isolation Transformer
A/D Converter
16 bit
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 ( 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
9/17/2018
DIgSILENT PFM/DSM

10. Mode of Operation - Features Data Acquisition and Data Processing
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
9/17/2018
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 kHz
Triggered Events
On-Line Display
RMS Values
Instantaneous Values
Event List / Protocol File
Sampling Rate: Hz
9/17/2018
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
9/17/2018
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
9/17/2018
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
9/17/2018
DIgSILENT PFM/DSM

15. Trigger Configuration
Configurable Pre, Post and Re Trigger Times
User-Friendly Trigger Handling
Adjustable Trigger Conditions
9/17/2018
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
9/17/2018
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
9/17/2018
DIgSILENT PFM/DSM

18. Easy to Use Signal Calibration
Hardware Configuration
Hardware Calibration
Converter Configuration
Converter Calibration
9/17/2018
DIgSILENT PFM/DSM

19. Application Example Determination of Power Plant Dynamics
9/17/2018
DIgSILENT PFM/DSM

20. Approach: Parameter Identification
9/17/2018
DIgSILENT PFM/DSM

21. Setup of User-Defined Control Structure
Models are defined using DSL: DIgSILENT Simulation Language
Use of fully integrated graphic tools
9/17/2018
DIgSILENT PFM/DSM

22. Gas Turbine Verification
9/17/2018
DIgSILENT PFM/DSM

23. Full Scale Tour on PFM/DSM
General Concept
Full Scale Tour on PFM/DSM
PFM/DSM Hardware
PFM Software
PFM/DSM Integration
9/17/2018
DIgSILENT PFM/DSM

24. General Concept Key Advantages for the PFM/DSM Typical PFM/DSM Layout
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
Control Unit: IPC with 2-XEON CPU
16 Bit , 250 kHz A/D Daq Unit
15” XGA TFT Screen (opt.)
Space for flexible Usage (e.g printer)
Mouse / Keyboard (opt.)
UPS (opt.)
Signal Unit for A/D I/O
9/17/2018
DIgSILENT PFM/DSM

25. General Concept Operation Modes Physical Access: Access of Data:
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
???
9/17/2018
DIgSILENT PFM/DSM

26. General Concept Modes of Operation – Physical Access
Trivial Mode: Local Access
Examples
Commissioning of PFM
Plant Commissioning
local SCADA extension
local tests
9/17/2018
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
9/17/2018
DIgSILENT PFM/DSM

28. General Concept 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
9/17/2018
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
9/17/2018
DIgSILENT PFM/DSM

30. General Concept 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
9/17/2018
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
9/17/2018
DIgSILENT PFM/DSM

32. General Concept 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)
9/17/2018
DIgSILENT PFM/DSM

33. General Concept Access of Information
What is the Output of a DSM / year ?
100.. GB data and kg paper with colour prints !
Who is going to review the of DSM Recordings ?
The Secretary and the GM !
More DSM intend to produce “Data Garbage”
9/17/2018
DIgSILENT PFM/DSM

34. General Concept Access of Information PFM/DSM offers 2 Solutions:
2-Level Data Storage (WAM)
Intelligent Data Post Processing via DPL Scripts
Combination of both
9/17/2018
DIgSILENT PFM/DSM

35. 2-Level Data Storage (WAM)
General Concept
Access of Information
2-Level Data Storage (WAM)
PFM/DSM I
PFM/DSM II
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
9/17/2018
DIgSILENT PFM/DSM

36. General Concept Intelligent Data Post Processing via DPL Scripts
Access of Information
Intelligent Data Post Processing via DPL Scripts
PFM/DSM
Master Station
Continuous Transfer
of WAM Records
Modem / Fast Ethernet Link
PFM Local Records
Execution of DPL Scripts
PFM WAM Records
Remote Access
via Terminal Client
Direct Access
for WAM Records
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
9/17/2018
DIgSILENT PFM/DSM