PowerFactory Applications for Power System Analysis, 26th October 2015, Portoviejo Ecuador

EntrenamientoDIgSILENTPowerFactory:ModeladoySimulaciondeSistemasdePotencia
Prof Francisco M. Gonzalez-Longatt PhD | fglongatt@fglongatt.org | Copyright © 2008-2015, Portoviejo, Ecuador ,26th Octubre de 2015 1//28
Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformwithoutpermissionoftheauthor.Copyright©208-2015.http:www.fglongatt.org
Workshop of DIgSILENT
PowerFactory
Prof. Francisco Gonzalez-Longatt PhD
fglongatt.org
Prof. Francisco M. Gonzalez-Longatt, PhD
26 October 2015
Portoviejo, Ecuador
Prof. Francisco M. Gonzalez-Longatt, PhD
Loughborough University, UK
Prof. Jose Luis Rueda, PhD
TU Delft, The Netherlands
http://www.springer.com/gb/book/9783319129570

PowerFactory
Workshop:
PowerFactory
Applications for
Power System Analysis
Copyright Notice
The documents are created by Francisco M. Gonzalez-Longatt and contain copyrighted material, trademarks, and other proprietary information. All rights reserved. No part of the documents may be reproduced or
copied in any form or by any means - such as graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems without the prior written permission of Francisco M.
Gonzalez-Longatt . The use of these documents by you, or anyone else authorized by you, is prohibited unless specifically permitted by Francisco M. Gonzalez-Longatt. You may not alter or remove any
trademark, copyright or other notice from the documents. The documents are provided “as is” and Francisco M. Gonzalez-Longatt shall not have any responsibility or liability whatsoever for the results of use of the
documents by you.

Agenda
• Experience and Wisdom
• Forewords
• Book Structure
• What is going on Simulations?
Trends and Challenges

PowerFactory
Experience and Wisdom
This Section shows how the experience and wisdom of
several people is contained in The Book”

Experience and Wisdom
• This book combines years of technical/practical
experience of more than 50 experts
users/developers of DigSILENT PowerFactory (>50
countries) and deep understanding of academic on
power system analysis.
Dr. Jose Luis Rueda
Editor
Dr. F. Gonzalez-Longatt
Editor
http://www.springer.com/gb/book/9783319129570

PowerFactory
Foreword
This Section presents the key
aspects of the foreword.
It is written by Dr. M. Schmieg Dr.-Ing. Martin Schmieg
Managing Director bei
DIgSILENT GmbH Stuttgart Und
Umgebung Deutschland

Foreword (1/3)
• In 1987, the Kraftwerke Mainz-Wiesbaden,
Germany (KMW AG), became the first official and
registered user of the DIgSILENT software.
• The fact that after some 27 years, KMW AG’s
PowerFactory installations are still maintained is a
definite indicator that any possible initial doubt was
unwarranted.
• In fact, over the past several years, the user base
has grown considerably, establishing a large user
community of highly qualified, experienced and
creative users.

Foreword (2/3)
• PowerFactory extends this flexibility even further via the
provision of powerful scripting tools allowing the user
to develop specific applications according to individual
needs.
• This first issue of the PowerFactory Applications for
Power System Analysis serves as an impressive
demonstration of the wide range of power system
analysis applications that can be handled by the
PowerFactory software.
• In addition, the solutions described for a certain analysis
task will motivate and help other users to make use of
the software’s flexibility and give guidance regarding
possible solution options.

Foreword (3/3)
• “We thank all authors who have contributed to this
book, initiated by Francisco Gonzalez-Longatt and
José Luis Rueda, for sharing their valuable
PowerFactory experiences and solutions”.
• The topics presented are also of great interest to the
PowerFactory development team in their endeavours
to optimize further releases and develop even more
flexible functions.
Dr.-Ing. Martin Schmieg
Managing Director bei
DIgSILENT GmbH Stuttgart Und
Umgebung Deutschland
August 2014

PowerFactory
Book Structure

Book Structure (1/2)
Quasi-Dynamic
Simulation
Simulation Unsymmetrical
Conditions and Contingency
Analysis
Chapter 1
Chapter 2
Chapter 3
Probabilistic
load flow
Chapter 4
Unbalanced
Power Flow
Chapter 5
Optimal Power
Flow
Chapter 6
Assessing the
Renewable Energy
Sources
Integration
Modelling of
AGC
Chapter 7
CCGT
Modelling
Chapter 8
DFIG Modelling
Chapter 9
Parameterized
Modal Analysis
Chapter 10

Book Structure (2/2)
Risk
Assessment
Mean–Variance
Mapping Optimization
Chapter 11
Chapter 12
Chapter 13
MATLAB/Simulink
Interface
Chapter 14
Simulation Automation
and Management
Chapter 15
Hardware-in-the-
Loop Applications
Chapter 16
Hardware in
Hardware-In-Loop
P & Q in Wind
Farm
Chapter 17
FACTS Modelling
Chapter 18
Multi-terminal
HVDC
Chapter 19
Cluster of Induction
Generator
Chapter 20

PowerFactory
What is going on
Simulations?

• Simulation and analysis of super large networks
with wideband models
– Electromagnetic and electromechanical transients
• Simulation of super distribution grids (Smart
network)
• Challenges
– Data and data portability between power system
applications
– Visualization and analysis of huge systems
– Parallel computations
– Real-time computations
– Online analysis
– Unification of simulation methods and environments
– Multi-domain simulations

HIL Structure
• Hardware in the loop = HIL
Input
Output
Signals
PC
Processor
I/O
Host PC
Plant
model
Hardware-in-the-loop
Prototype
Actual System
Controllers
Protective relays
Actual System
Power System
Real-Time Simulator + Power Amplifier

Real-Time simulator
• Hydro-Québec develops HYPERSIM: a real-time
simulator
– Develop, improve and assess new protection and control
concepts
– Optimize the operation and the maintenance power
systems
– Decrease the time required to commission protection
relays and control systems (FACTS, HVDC, SVC, etc..)
– Reproduce events that occurred in the power system by
using the actual protection and control systems
http://www.opal-rt.com/new-product/hypersim-power-system-real-time-digital-simulator

Real Time Simulator
Sensors
Actual System
Controllers
Protective relays
Actual System
PV, Windfarm,
Motor, Loads,
Controllers,
Protective Relays
Power AmplifierReal-Time SimulatorWorkstation
HYPERSIM: a real-time simulator
http://www.opal-rt.com/new-product/hypersim-power-system-real-time-digital-simulator

PowerFactory
Interfacing PowerFactory:
Co-simulation,
Real-Time Simulation and Controller
Hardware-in-the-Loop Applications
M. Stifter, S. Kadam and B. Bletterie.
Energy Department, AIT Austrian Institute of Technology,
Giefinggasse 2, 1210 Vienna, Austria
e-mail: matthias.stifter@ait.ac.at

Introduction: Interfacing
• Various possibilities exist to interface the power
system model and simulation engine of
PowerFactory.
• These interfaces open applications for co-
simulation, real-time simulation for controller
hardware-in-the-loop (HIL) set-ups or automation
and control of simulation.

Overview of Interafces
transient/
steady state
Network model
RCOM
OPC Server
Dynamic
STeady-state
full access
and control
API
DGS
(XML)
Matlab
C++ DLL
Batch File
(Java)
C++ /
Python
Application
Application
Dynamic
Application
Application
parameter access
simulation control
DPL
(external)
OPC
Client
DSL
Model
Import /
Export
offline
TCP/IP
TCP/IP
API
function
call
function
call
commands
results
file
read/write
file
read/write
C++ DLL Application
DSL
(external)
OPCOPC
function
call
TCP/IP
Dynamic
Steady-state
Source: Chapter 14. PowerFactory Applications for Power Systems Analysis. Springer 2015

Summary Interfaces for Co-simulation
Analysis
function
MATLAB DLL OPC RCOM
API,
Python
API+DLL DGS
Steady
state
(X)e X X X X
Dynamic
RMS
X X (X)a,b X (X)c (X)d
Transient
control
X X - - (X)c (X)d
Simulation
control
X X X
a Timing constraints apply, when it comes to real-time simulation.
b Synchronisation mechanism (simulation master) necessary when running parallel applications.
c Changing variables is not possible during RMS simulation.
d Multi-threading and queued synchronisation of signals are required to have full read/write access.
e Using external defined DPL function in blocking mode for synchronising with other applications.
Source: Chapter 14. PowerFactory Applications for Power Systems Analysis. Springer 2015

PowerFactory
Simulation Improvements

Improvements
• State-of-the-art linear system solvers:
– LU solver (direct method)
– GMRES solver (iterative method)
• One-shoot DSL Functions
• C Interface for Dynamic Models
• Compiled Improved Standard Libraries
• …
OLD
NEW
Source: DIgSILENT. PowerFactory 15.2. What´s New

PowerFactory
Speeding up simulations:
Practical examples
Partially based on DIgSILENT PowerFactory
Technical Documentation
RMS Simulation - Performance Benchmark, PowerFactory
15.2
Source: DIgSILENT. Technical Documentation, RMS Simulation Performance Benchmark, PowerFactroy 15.2. Oct 2015

Results on Test System 1
• 1200 synchronous generators
• 2600 customised DSL models
• Generator tripping at 0 s, run up to 20 s, stable
• 24000 terminals (0.4-700 kV)
• 30000 differential equations
• The step size is fixed and equal to 20 ms
Source: DIgSILENT. Technical Documentation, RMS Simulation Performance Benchmark, PowerFactroy 15.2. Oct 2015

PowerFactory
Closing

Conclusions
DIgSILENY PowerFactory can make
your simulations
The rest is up to YOU…

PowerFactory
Questions
Questions and Answers
Copyright Notice
The documents are created by Francisco M. Gonzalez-Longatt and contain copyrighted material, trademarks, and other proprietary information. All rights reserved. No part of the documents may be reproduced or
copied in any form or by any means - such as graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems without the prior written permission of Francisco M.
Gonzalez-Longatt . The use of these documents by you, or anyone else authorized by you, is prohibited unless specifically permitted by Francisco M. Gonzalez-Longatt. You may not alter or remove any
trademark, copyright or other notice from the documents. The documents are provided “as is” and Francisco M. Gonzalez-Longatt shall not have any responsibility or liability whatsoever for the results of use of the
documents by you.

PowerFactory Applications for Power System Analysis, 26th October 2015, Portoviejo Ecuador

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