DK2807743T3 - Vindpark-oversvingningsprediktor og fremgangsmåde dertil - Google Patents

Vindpark-oversvingningsprediktor og fremgangsmåde dertil Download PDF

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Publication number
DK2807743T3
DK2807743T3 DK13702002.0T DK13702002T DK2807743T3 DK 2807743 T3 DK2807743 T3 DK 2807743T3 DK 13702002 T DK13702002 T DK 13702002T DK 2807743 T3 DK2807743 T3 DK 2807743T3
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wind
oscillation
phase
predictor
wind farm
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DK13702002.0T
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English (en)
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Heinz-Hermann Letas
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Senvion Gmbh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/01—Arrangements for reducing harmonics or ripples
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control having reactive elements actively controlled by bridge converters, e.g. active filters or static compensators [STATCOM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2101/00—Supply or distribution of decentralised, dispersed or local electric power generation
    • H02J2101/20—Dispersed power generation using renewable energy sources
    • H02J2101/28—Wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20—Active power filtering [APF]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40—Arrangements for reducing harmonics

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Control Of Eletrric Generators (AREA)

Claims (17)

1. Vindpark med i det mindste to vindenergianlæg (1), der hver især har en generator (10) med en omretter (11) til generering af elektrisk energi, kendetegnet ved, at der er indrettet en oversvingningsprediktor (6), der bestemmer den fra vindparken forventede oversvingning med henblik på begrænsning til en grænseværdi for oversvingningen, hvor oversvingningsprediktoren (6) omfatter et beregningsmodul (61), der beregner en kompleks middelværdi over i det mindste en periode af oversvingningen i et af vindenergianlæggene I og deraf bestemmer en første erstatningsvektor, hvis størrelse svarer til den gennemsnitlige amplitude af oversvingningen, et iterationsmodul (62), der successivt påkobler beregningsmodulet (61) på i det mindste et andet af vindenergianlæggene II med henblik på dannelse af i det mindste en anden erstatningsvektor, og et summationsmodul (63), som adderer erstatningsvektorerne til en samlet vektor T og sammenligner med grænseværdien for oversvingningen.
2. Vindpark ifølge krav 1, kendetegnet ved, at iterationsmodulet (62) og summationsmodulet (63) er kombineret til et rekursionsmodul (64) .
3. Vindpark ifølge krav 1 eller 2, kendetegnet ved, at omretteren (11) er indstillelig med hensyn til dens fasestive og fasevariable del af oversvingningen.
4. Vindpark ifølge krav 3, kendetegnet ved, at oversvingningsprediktoren (6) samvirker med en begrænser (68), som ved forskydning af forholdet mellem fasestive og fasevariable dele indstiller oversvingningen til grænseværdien.
5. Vindpark ifølge krav 3 eller 4, kendetegnet ved, at oversvingningsprediktoren (6) samvirker sådan med begrænseren (68), at ved begrænsning af antallet af vindenergianlæg (1), der afgiver elektrisk energi, indstilles oversvingningen til grænseværdien.
6. Vindpark ifølge et af de foregående krav, kendetegnet ved, at oversvingningen har en lige orden, fortrinsvis højst indtil den 50. orden, yderligere fortrinsvis 20. orden, og/eller ligger i området af omretterens (11) skiftefrekvens.
7. Oversvingningsprediktor til en vindpark omfattende i det mindste to vindenergianlæg (1), som hver især har en generator (10) med en omretter (11) til generering af elektrisk energi, hvor der er bestemt en grænseværdi for den oversvingning, der er genereret af vindparken, kendetegnet ved, at oversvingningsprediktoren (6) omfatter: et beregningsmodul (61), der beregner en kompleks middelværdi over i det mindste en periode af oversvingningen i et af vindenergianlæggene I og deraf bestemmer en første erstatningsvektor, hvis størrelse svarer til den gennemsnitlige amplitude af oversvingningen, et iterationsmodul (62), der successivt påkobler beregningsmodulet (61) på i det mindste et andet af vindenergianlæggene II med henblik på dannelse af i det mindste en anden erstatningsvektor, og et summationsmodul (63), som adderer erstatningsvektorerne til en samlet vektor T og sammenligner med grænseværdien for oversvingningen.
8. Oversvingningsprediktor ifølge krav 7, kendetegnet ved, at den er videreudviklet ifølge et af kravene 1 til 6.
9. Fremgangsmåde til begrænsning af den oversvingning, der er genereret af en vindpark, hvor vindparken omfatter i det mindste to vindenergianlæg (1), der hver især har en generator (10) med en omretter (11) til generering af elektrisk energi, kendetegnet ved for et første af vindenergianlæggene (I) beregning af en kompleks middelværdi over i det mindste en periode af oversvingningen og deraf bestemmelse af en første erstatningsvektor med størrelse og vinkel, hvor størrelsen svarer til oversvingningens gennemsnitlige amplitude, for i det mindste et andet af vindenergianlæggene (II) iterativ bestemmelse af en anden erstatningsvektor på den samme måde, anvendelse af den første erstatningsvektor som fodpunkt for den anden erstatningsvektor med henblik på summationen og dannelse af en samlet vektor T og sammenligning af denne med grænseværdien for oversvingningen.
10. Fremgangsmåde ifølge krav 9, kendetegnet ved rekursiv bestemmelse og addering af erstatningsvektorerne for yderligere vindenergianlæg (III).
11. Fremgangsmåde ifølge krav 9 eller 10, kendetegnet ved, at bestemmelsen af en erstatningsvektor omfatter en beregning af en middelværdi for en realdel af de respektive vindenergianlægs oversvingning.
12. Fremgangsmåde ifølge krav 11, kendetegnet ved, at bestemmelsen af en erstatningsvektor omfatter en beregning af en middelværdi for en imaginærdel af oversvingningen.
13. Fremgangsmåde ifølge et af kravene 9 til 12, kendetegnet ved opspaltning af oversvingningen i en fasestiv del og i en fasevariabel del.
14. Fremgangsmåde ifølge et af kravene 9 til 13, kendetegnet ved, at erstatningsvektorens størrelse er bestemt ved hjælp af en middelværdi af oversvingningens størrelse over i det mindste en periode.
15. Fremgangsmåde ifølge et af kravene 12 til 14, kendetegnet ved, at erstatningsvektorens vinkel er bestemt ved hjælp af forholdet mellem middelværdierne af imaginærdel og realdel.
16. Fremgangsmåde ifølge et af kravene 9 til 15, kendetegnet ved forskydning af forholdet mellem fasestive og fasevariable dele af oversvingningen for at begrænse den til en grænseværdi .
17. Fremgangsmåde ifølge et af kravene 9 til 16, kendetegnet ved begrænsning af antallet af vindenergianlæggene for at begrænse oversvingningen til grænseværdien.
DK13702002.0T 2012-01-24 2013-01-24 Vindpark-oversvingningsprediktor og fremgangsmåde dertil DK2807743T3 (da)

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US201261590100P 2012-01-24 2012-01-24
PCT/EP2013/051311 WO2013110691A2 (de) 2012-01-24 2013-01-24 Windpark-oberschwingungsprädiktor und verfahren dazu

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EP (1) EP2807743B1 (da)
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WO2013110691A2 (de) 2013-08-01
CA2861955C (en) 2017-10-24
ES2566153T3 (es) 2016-04-11
US20130207393A1 (en) 2013-08-15
CA2861955A1 (en) 2013-08-01
WO2013110691A3 (de) 2013-11-07
US9397599B2 (en) 2016-07-19
EP2807743B1 (de) 2016-01-13
EP2807743A2 (de) 2014-12-03

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