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Simulation of Windpower Simulation of Windpower Plants Plants Combining Combining ATP / ATP / ATPDesigner ATPDesigner and and Simplorer Simplorer 1 1 Hochschule für Technik und Wirtschaft des Saarlandes University of Applied Sciences Stand: V1.0 – 25.09.2006 Simulation of Wind Simulation of Wind - - Power Power Plants Plants combining combining ATP/ ATP/ ATPDesigner ATPDesigner and and Simplorer Simplorer Power Engineering Saar Power Engineering Saar Institut for Power Engineering, Power Electronics and Electrical Drive Engineering Homepage ATPDesigner ATPDesigner: http://people.freenet.de/atpdesigner Prof. Dr.-Ing. Michael Igel Prof. Dr.-Ing. Stefan Winternheimer Saarbrücken, Germany

Transcript of Simulation of Wind -Power Plants combining ATP ...s3.amazonaws.com/zanran_storage/ of Windpower...

Page 1: Simulation of Wind -Power Plants combining ATP ...s3.amazonaws.com/zanran_storage/ of Windpower Plants Combining ATP / ATPDesigner and Simplorer 1 1 Hochschule für Technik und Wirtschaft

Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

1 1

Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied Sciences

Stand: V1.0 – 25.09.2006

Simulation of WindSimulation of Wind--Power Power Plants Plants combiningcombining ATP/ATP/ATPDesignerATPDesigner andand

SimplorerSimplorer

Power Engineering SaarPower Engineering SaarInstitut for Power Engineering, Power Electronics and Electrical Drive Engineering

Homepage ATPDesignerATPDesigner: http://people.freenet.de/atpdesigner

Prof. Dr.-Ing. Michael Igel

Prof. Dr.-Ing. Stefan Winternheimer

Saarbrücken, Germany

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesWindWind--Power Power PlantsPlants in Germany 1990in Germany 1990--20042004

Installed Active

Installed ActivePower in kW

Power in kW

WindWind--Power Power PlantsPlants

2003 in Germany: 2003 in Germany: ≈≈≈≈≈≈≈≈ 110 GW110 GW

17 GW 17 GW ≈≈≈≈≈≈≈≈ 15%15%

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesBackground of Background of thethe Project Project ZERENZEREN

ZEREN : ZEREN : System System Perturbations caused by Perturbations caused by WindWind--Power Power PlantsPlants

�� Situation in GermanySituation in Germany– Number of wind-power plants is permanently increasing

�System perturbations are also increasing

�� Situation in SaarlandSituation in Saarland– Active power ≈≈≈≈ 850MW850MW, incl. wind-power plants

– Installed wind-power plants ≈≈≈≈ 50MW50MW

– Availability of wind-power plants ≈≈≈≈ 1000h / year ≈≈≈≈ 11% / 11% / yearyear

�Minor amount of wind-power generation compared with the amount of the active power consumption

� Wind-power plants infeed the electrical energy in the 20kV medium voltage networks

� Voltage regulation is not available in the 20kV MV networks

�Core problem: Voltage Stability Voltage Stability in 20kV ... 0.4kV in 20kV ... 0.4kV networksnetworks

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied Sciences

Objectives Objectives to to SimulateSimulate� 20kV MV network (≈≈≈≈50 lines, ≈≈≈≈30 transformers) in the northern Saarland

– Wind farm infeeds up to 10MW

– Extremly fluctuating power consumption of industrial customers

� Power converter and its control characteristic

What What CAECAE--Tools Are Tools Are Required Required ??� „Easy to Use“ simulation software for

– Electrical power networks (stationary and transient phenomena)

– Power converters and their control characteristic

TheThe SolutionSolution

�� ATPATP Simulation of the electrical power network

�� SimplorerSimplorer®® Power electronic and control characteristicGraphical user interface (GUI)

�� ATPDesignerATPDesigner Graphical user interface to ATP

Glue between Glue between ATP and ATP and SimplorerSimplorer

ProjectProject ZERENZEREN

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesSimplorerSimplorer

� Modeling and simulating power electronic circuits as well as the required control characteristics

� Components are available in libraries

� New models can be implemented using a C/C++ interface

� Calculated currents and voltages can be presented in diagrams

� Calculation of the frequency spectrum based on the FFT

� User friendly and easy to learn

� Interactive design and analysis of the power converters

� Suitable to realize projects withstudents of electrical engineering

� Startup phase for students ≈≈≈≈ 1 week

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesModel of Model of thethe Power Power ConverterConverter

� 3-phase voltage source inverter fed by a constant DC voltage

� Devices to meter voltages and currents

� Short-circuit impedance Zk = R + jωωωωL of the power transformer

Phase Currents including higher

frequencies

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesControl CharacteristicControl Characteristic

Phase Phase CurrentCurrent

� Fundamental frequency fnom

� Additional frequencies depending on the controlcharacteristic of the power converter

Phase Current iA(t)

Control Signal

Control CharacteristicControl Characteristic

� Pulse Width Modulation (PWM)

� Easy to realise using the GUI of Simplorer

� Control Characteristics can be studied without changing the electronic circuit

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesInterface Interface SimplorerSimplorer -- ATPDesignerATPDesigner

�� SimplorerSimplorer®® Simulation of Power Converter and Control Characateristic

Calculation of the frequency spectrum of the phase currents by FFT (Exported into a text file)

�� ATPDesignerATPDesigner Import of the frequency spectrum analysing the text file

and creating a Multi Multi Frequency SourceFrequency Source (MFS)

�� ATPATP One 3-phase current source for each frequencyAddition of the current sources using one common node

���� Reconstructing the phase currents by InversReconstructing the phase currents by Invers FFTFFT

ATPSimplorer®

MultiFrequencySource

FFTFFT InversInvers FFTFFT

����

ATPDesigner

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesMulti Multi Frequency SourceFrequency Source

� User friendly settings interface

� „One Click“ import of the Simplorer FFT data

� Can be easily modified by hand

� Stored in the ATPDesigner .NET-file

Shape

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesAnd And thethe Advantages ?Advantages ?

Using the Strenghts Using the Strenghts of of the Combinationthe Combination

� Specific strengths are added

� Projects can be splitted in Power Network and Power Converter

�� MultiMulti Frequency SourceFrequency Source == Glue between the toolsGlue between the tools

ATPSimplorer®

MultiFrequencySource

FFTFFT InversInvers FFTFFT

Power Power ConverterConverter

Control CharacteristicControl Characteristic

Design CenterDesign Center

Network Network SimulationSimulation

ATPDesigner

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied Sciences20kV20kV--Network with Network with WindWind--Power PlantPower Plant

First Time to First Time to Use theUse the Tools:Tools: Project of Power Engineering Students

� „Virtual“ wind-power plant with an active power 0..10MW

�� Steady Steady State AnalysisState AnalysisCalculation of phase-to-ground voltages in the 20kV- and 0.4kV network

�� Voltage stability dependingVoltage stability depending on on the activethe active powerpower

Prb 2

Prb 4

Wind-Power Plant

CTRL+F:Settings

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesCurrent Infeeded by Current Infeeded by WindWind--Power PlantPower Plant

� Fundamental frequency fnom = 50Hz: |I ABC| according the active power infeed of the wind-power plant

� Additional frequency components depending on the control characteristic of the power converter

�� „Transfer“ of „Transfer“ of SimplorerSimplorer capabilities into capabilities into ATP ATP via ATPDesignervia ATPDesigner

Open the Diagram

Diagram ToolbarGraphic Cursor, Frequency Spectrum

Analyzing Window

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesPhase Phase Currents Currents at at Prb Prb 22

Frequency Spectrum of

the Phase Current

≈≈≈≈ 1800Hz

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesPhasePhase--toto--Ground VoltagesGround Voltages at at Prb Prb 44

Prb 2

Prb 4

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesSpectrumSpectrum ofof thethe PhasePhase--toto--Ground VoltagesGround Voltages

Frequency of the Power Converter

≈≈≈≈ 1800Hz

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesDisconnectDisconnect thethe WindWind--Power Plant ...Power Plant ...

� Simulation of the transients: Wind-power plant disconnected from

the network (using circuit breaker Cb1Cb1)

� Transient system perturbations can be studied

Phase-to-Ground Voltages

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesATP ATP ATPDesigner ATPDesigner �������� SimplorerSimplorer

MFST1: 110/20kV

T2: 20/0,6kV

T3: 20/0,4kV

N1: 110kV,4000MVA

T4: 0,4/20kV

Cb1 / M1SS2

SS4

SS3

SS1

PV

PV

PV

PV

PV

Rzul

RAbl

Leitung 1

Leitung 2

Leitung 3

Leitung 4

Leitung 5Leitung 6

Ltg. 8

Ltg. 7

Prb 1Prb 2

Prb 3

Prb 4Prb 5

Windpark

Simulation of Power Networks

Simulation of Power

Converter

ATPDesignerSimplorer

MultiFrequencySource

����

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Simulation of Windpower Simulation of Windpower PlantsPlants CombiningCombining ATP /ATP / ATPDesignerATPDesigner and and SimplorerSimplorer

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesAnd And the Current Activitiesthe Current Activities ......

Simulation of System Simulation of System

PerturbationsPerturbations in in thethe

20kV MV 20kV MV NetworkNetwork

� 110kV network infeed

� Wind farm

� 50 Lines

� 30 energy consumers

� 35 transformers

� 40 probes

� ...

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied SciencesConclusionsConclusions

� Simulation of the system perturbations of wind-power plants requires

– Simulation of power converters and their control characteristic

– Simulation of electrical power networks and their transients

� Simplorer Power Converters and control characteristic

� ATPDesigner Interface to Simplorer using Multi Frequency Source

� ATP Power networks (stationary and transient)

�� SimplorerSimplorer ,, ATPDesignerATPDesigner , ATP, ATP

– Specific strengths of the tools can be easily combined using the Multi Frequency Source

– Powerful tool compilation to study system perturbations, alsostationary as well transient phenomena

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University of Applied Sciences

Thank You for Your Attention.

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Hochschule fürTechnik und Wirtschaft

des Saarlandes

University of Applied Sciences

Power Engineering SaarPower Engineering Saar Institut for Power Engineering, Power Electronics and Electrical Drive Engineering

Hochschule für Technik und Wirtschaft des Saarlandes

University of Applied Science

Saarbrücken, Germany

Prof. Dr.-Ing. Michael Igel� [email protected]

� www.htw-saarland.de/members/michael.igel

Prof. Dr.-Ing. Stefan Winternheimer� [email protected]

ATPDesigner� http://people.freenet.de/atpdesigner