DK200701826A - Generalsystem med intelligent behandling af positionssignal - Google Patents

Generalsystem med intelligent behandling af positionssignal Download PDF

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Publication number
DK200701826A
DK200701826A DK200701826A DKPA200701826A DK200701826A DK 200701826 A DK200701826 A DK 200701826A DK 200701826 A DK200701826 A DK 200701826A DK PA200701826 A DKPA200701826 A DK PA200701826A DK 200701826 A DK200701826 A DK 200701826A
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DK
Denmark
Prior art keywords
angular position
error
angular
signal
rotor
Prior art date
Application number
DK200701826A
Other languages
English (en)
Inventor
Larsen Kim Broendum
Lau Mogens Loenberg
Bendixen Flemming Buus
Original Assignee
Vestas Wind Sys As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vestas Wind Sys As filed Critical Vestas Wind Sys As
Priority to DKPA200701826A priority Critical patent/DK176958B1/da
Priority to CA002645987A priority patent/CA2645987A1/en
Priority to AT08171178T priority patent/ATE519269T1/de
Priority to ES08171178T priority patent/ES2369437T3/es
Priority to EP08171178A priority patent/EP2073372B1/en
Priority to BRPI0805426-6A priority patent/BRPI0805426A2/pt
Priority to US12/317,221 priority patent/US7869976B2/en
Priority to MX2008016300A priority patent/MX2008016300A/es
Priority to CN2008101860029A priority patent/CN101465551B/zh
Priority to AU2008261119A priority patent/AU2008261119B2/en
Publication of DK200701826A publication Critical patent/DK200701826A/da
Application granted granted Critical
Publication of DK176958B1 publication Critical patent/DK176958B1/da

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Classifications

    • 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
    • H02P9/007—Control circuits for doubly fed generators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24457—Failure detection
    • G01D5/24461—Failure detection by redundancy or plausibility
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
    • H03M1/0656—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal
    • 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
    • H02P2101/00—Special adaptation of control arrangements for generators
    • H02P2101/15—Special adaptation of control arrangements for generators for wind-driven turbines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/64—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals
    • H03M1/645—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals for position encoding, e.g. using resolvers or synchros

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Eletrric Generators (AREA)
  • Wind Motors (AREA)

Claims (21)

1. Elektrisk strømgeneratorsystem, hvilket system indbefatter - en strømgenerator (GEN) der indbefatter en rotor som er forbundet med en aksel, - en positionsindkoder (ENC) der er indrettet til at registrere en vinkelposition for rotoren via mekanisk kobling til akslen og til at generere et positionssignal (PS) der er repræsentativt for rotorens vinkelposition, og - en processor (DSP) der er indrettet til - at modtage positionssignalet fra positionsindkoderen, - at tilvejebringe en beregnet vi nkel position (AP) for rotoren som respons på positionssignalet (PS), - at tilvejebringe en estimeret vinkelposition (EAP) for rotoren på basis af tidligere modtagne positionssignaler og - at beregne en behandlet vinkelposition (PAP) ud fra den beregnede vinkelposition (AP) og den estimerede vinkelposition (EAP) på basis af mindst én forudbestemt styrealgoritme.
2. System ifølge krav 1, hvor processoren (DSP) indbefatter en korrektionsenhed (CORR) der er indrettet til at detektere og korrigere forudbestemte fejltyper i positionssignalet (PS) forud for beregning af vinkelpositionen (AP).
3. System ifølge krav 2, hvor processoren (DSP) er indrettet til at korrigere positionssignalet (PS) der er baseret på en på forhånd lagret egenskab ved positionsindkoderen (ENC), såsom dens vinkelopløsning.
4. System ifølge krav 2 eller 3, hvor processoren (DSP) er indrettet til at korrigere positionssignalet (PS) baseret på en på forhånd lagret egenskab ved strømgeneratoren (GEN), såsom dens maksimalt mulige vinkelacceleration.
5. System ifølge et hvilket som helst af kravene 2 til 4, hvor korrektionen af fejl i positionssignalet (PS) mindst indbefatter ét af følgende træk: fjernelse af en top (El), fjernelse af værdiforskydning (E2), begrænsning af vinkelacceleration der overstiger en forudbestemt værdi (E3) og kompensation for uventede antal pulser pr. omdrejning (E4. E5).
6. System ifølge et hvilket som helst af de foregående krav, hvor processoren (DSP) indbefatter en estimeringsenhed (EST) der indbefatter en faselåst sløjfe (PLL), hvor estimeringsenheden (EST) genererer den estimerede vinkelposition (EAP) på basis af tidligere vinkelpositionsinput (El).
7. System ifølge krav 6, hvor processoren (DSP) er indrettet til at vælge at anvende vinkelpositionen (AP) eller den estimerede vinkelposition (EAP) som input for estimeringsenheden (EST).
8. System ifølge krav 6 eller 7, hvor den behandlede vinkelposition (PAP) er et output fra den faselåste sløjfe (PLL).
9. System ifølge krav 8, hvor den estimerede vinkelposition (EAP) beregnes ud fra den behandlede vinkelposition (PAP) ved hjælp afen ekstrapolationsalgoritme (EX), såsom ved at antage en konstant vinkelhastighed for rotoren.
10. System ifølge et hvilket som helst af de foregående krav 6 til 9, hvor processoren (DSP) indbefatter en fejlhåndteringsenhed (EHU) der er indrettet til at detektere en fejl på basis af sammenligning af vinkelpositionen (AP) og den estimerede vinkelposition (EAP), og hvor fejlhåndteringsenheden (EHU) vælger at anvende den estimerede vinkelposition (EAP) som input (El) til estimeringsenheden (EST) i tilfælde af at der detekteres en fejl.
11. System ifølge krav 10, hvor fejlhåndteringsenheden (EHU) er indrettet til at detektere en fejl i tilfælde af at en forskel mellem vinkelpositionen (AP) og den estimerede vinkelposition (EAP) overstiger en forudbestemt værdi.
12. System ifølge krav 10 eller 11, hvor fejlhåndteringsenheden (EHU) er indrettet til at vælge at sende den estimerede vinkelposition (EAP) som den behandlede vi nkel position (PAP) i tilfælde af at der detekteres en fejl.
13. System ifølge et hvilket som helst af kravene 10 til 12, hvor fejlhåndteringsenheden (EHU) er indrettet til at generere et fejlsignal (ERRS) som indikerer at der er en fejl i positionsindkoderen (ENC).
14. System ifølge krav 13, hvor fejlhåndteringsenheden (EHU) er indrettet til at generere fejlsignalet (ERRS) efter detektering af et forudbestemt antal fejl i et forudbestemt tidsrum.
15. System ifølge et hvilket som helst af de foregående krav, hvor positionssignalet (PS) som genereres af positionsindkoderen (ENC), er et digitalt tretrådet positionssignal (A, B, Z).
16. System ifølge krav 15, hvor positionssignalet (PS) samples ved en samplingfrekvens på mindst 2 kHz, såsom ved en sampling-frekvens på 5 kHz.
17. System ifølge et hvilket som helst af de foregående krav, hvor strømgeneratoren (GEN) er en "doubly fed" asynkrongenerator.
18. System ifølge et hvilket som helst af de foregående krav, hvilket system yderligere indbefatter et styresystem (CS) der er indrettet til at modtage den behandlede vinkelposition (PAP) og til følgelig at styre mindst ét af følgende: elektrisk kobling af strømgeneratoren (GEN) til et elektrisk forsyningsnet (EG) og et vibrationsniveau for strømgeneratoren (GEN).
19. System ifølge krav 18, hvor processoren (DSP) er indrettet til at detektere en fejl i positionsindkoderen (ENC) og til følgelig at generere et fejlsignal (ERRS), og hvor styresystemet (CS) er indrettet til at initiere en styret frakoblingsprocedure fra det elektriske forsyningsnet (EG) som respons på fejlsignalet (ERRS).
20. Vindmølle der indbefatter et strømgeneratorsystem ifølge et hvilket som helst af kravene 1 til 19.
21. Vindmølle ifølge krav 20, hvilken vindmølle er indrettet til at levere elektrisk strøm til et elektrisk forsyningsnet (EG), og hvor den behandlede vinkelposition (PAP) tjener til at eliminere nøddriftsstop på grund af fejl i positionsindkoderen (ENC).
DKPA200701826A 2007-12-19 2007-12-19 Generatorsystem med intelligent behandling af positionssignal DK176958B1 (da)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DKPA200701826A DK176958B1 (da) 2007-12-19 2007-12-19 Generatorsystem med intelligent behandling af positionssignal
CA002645987A CA2645987A1 (en) 2007-12-19 2008-12-05 Generator system with intelligent processing of position signal
ES08171178T ES2369437T3 (es) 2007-12-19 2008-12-10 Sistema de generador con procesamiento inteligente de señal de posición.
EP08171178A EP2073372B1 (en) 2007-12-19 2008-12-10 Generator system with intelligent processing of position signal
AT08171178T ATE519269T1 (de) 2007-12-19 2008-12-10 Generatorsystem mit intelligenter verarbeitung eines positionssignals
BRPI0805426-6A BRPI0805426A2 (pt) 2007-12-19 2008-12-12 sistema gerador de energia elétrica com processamento inteligente de sinais de posicionamento e turbina eólica
US12/317,221 US7869976B2 (en) 2007-12-19 2008-12-18 Generator system with intelligent processing of position signal
MX2008016300A MX2008016300A (es) 2007-12-19 2008-12-18 Sistema generador con procesamiento inteligente de señal de posicion.
CN2008101860029A CN101465551B (zh) 2007-12-19 2008-12-18 智能处理位置信号的发电机系统
AU2008261119A AU2008261119B2 (en) 2007-12-19 2008-12-18 Generator system with intelligent processing of position signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200701826A DK176958B1 (da) 2007-12-19 2007-12-19 Generatorsystem med intelligent behandling af positionssignal
DK200701826 2007-12-19

Publications (2)

Publication Number Publication Date
DK200701826A true DK200701826A (da) 2009-06-20
DK176958B1 DK176958B1 (da) 2010-07-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA200701826A DK176958B1 (da) 2007-12-19 2007-12-19 Generatorsystem med intelligent behandling af positionssignal

Country Status (6)

Country Link
US (1) US7869976B2 (da)
EP (1) EP2073372B1 (da)
AT (1) ATE519269T1 (da)
CA (1) CA2645987A1 (da)
DK (1) DK176958B1 (da)
ES (1) ES2369437T3 (da)

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Also Published As

Publication number Publication date
US20090164170A1 (en) 2009-06-25
EP2073372B1 (en) 2011-08-03
ATE519269T1 (de) 2011-08-15
DK176958B1 (da) 2010-07-26
US7869976B2 (en) 2011-01-11
CA2645987A1 (en) 2009-06-19
EP2073372A1 (en) 2009-06-24
ES2369437T3 (es) 2011-11-30

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