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DK200700104A - Fremgangsmåde, apparat og computerprogramprodukt til injektion af ström - Google Patents

Fremgangsmåde, apparat og computerprogramprodukt til injektion af ström Download PDF

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Publication number
DK200700104A
DK200700104A DK200700104A DKPA200700104A DK200700104A DK 200700104 A DK200700104 A DK 200700104A DK 200700104 A DK200700104 A DK 200700104A DK PA200700104 A DKPA200700104 A DK PA200700104A DK 200700104 A DK200700104 A DK 200700104A
Authority
DK
Denmark
Prior art keywords
supply network
injection
sequence component
power supply
generator
Prior art date
Application number
DK200700104A
Other languages
English (en)
Inventor
Allen M Ritter
Robert A Seymour
Robert W Delmerico
Atre John D D
Dai Renchang
Yuan Xiaoming
Weng Haiqing
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of DK200700104A publication Critical patent/DK200700104A/da
Application granted granted Critical
Publication of DK176853B1 publication Critical patent/DK176853B1/da

Links

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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—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 parallely feeding a single network by two or more generators, converters or transformers
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
    • H02P29/025—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being a power interruption
    • H02J2101/28—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—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 parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/40—Synchronising a generator for connection to a network or to another generator
    • 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
    • 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
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/07—Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings
    • H02P2207/073—Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings wherein only one converter is used, the other windings being supplied without converter, e.g. doubly-fed induction machines
    • 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

Landscapes

  • 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)
  • Control Of Eletrric Generators (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Claims (10)

1. Fremgangsmåde til modificering af en indvirkning fra en forstyrrelse i et elforsyningsnet (384) på en generator (120), der er koblet til forsyningsnettet (384), kendetegnet ved, at fremgangsmåden omfatter: at følge i det mindste en komposant med negativ sekvens og en komposant med positiv-sekvens i et signal fra elforsyningsnettet (384); at orientere i det mindste en del af størrelsen af komposanten med negativ sekvens til injektion i elforsyningsnettet (384); og at injicere den i det mindste ene del i elforsyningsnettet (384) for at modificere forstyrrelsen.
2. Fremgangsmåde ifølge krav 1, kendetegnet ved, at både komposanten med negativ sekvens og komposanten med positiv sekvens omfatter faseinformation, frekvensinformation og størrelsesinformation.
3. Fremgangsmåde ifølge krav 1, kendetegnet ved, at det at følge omfatter detektering af forsyningsnettets (384) forstyrrelse.
4. Fremgangsmåde ifølge krav 1, kendetegnet ved, at den yderligere omfatter opnåelse af parametre for mindst én af elforsyningsnettet (384), generatoren (120) og et styresystem for generatoren (120) inden injektionen.
5. Fremgangsmåde ifølge krav 1, kendetegnet ved, at modificering af indvirkningen omfatter forøgelse af småsignallinearitet for mindst én af en forsyningsnettilstand med positiv sekvens og en forsyningsnettilstand med negativ sekvens.
6. Fremgangsmåde ifølge krav 1, kendetegnet ved, at modificeringen omfatter at reducere aktivering af systembeskyttelsesfaciliteter (410, 700).
7. Fremgangsmåde ifølge krav 1, kendetegnet ved, at der for den i det mindste ene del vælges parametre til at maksimere mindst én af injektionen af aktiv effekt og injektionen af reaktiv effekt.
8. Fremgangsmåde ifølge krav 1, kendetegnet ved, at injektionen omfatter emulering af en synkrongenerator.
9. Fremgangsmåde ifølge krav 1, kendetegnet ved, at injektionen reducerer mængden af asymmetrisk spænding i forsyningsnettets (384) strøm.
10. Apparat til modificering af en indvirkning fra en forstyrrelse i et elforsyningsnet (384) på en generator (120), der er koblet til forsyningsnettet (384), kendetegnet ved, at apparatet omfatter: en styreenhed (374) ti! at føige i det mindste en komposant med negativ sekvens og en komposant med positiv sekvens i et signal fra elforsyningsnettet (384), til at orientere i det mindste en del af størrelsen af komposanten med negativ sekvens til injektion i elforsyningsnettet (384), og til at injicere den i det mindste ene del i elforsyningsnettet (384) for at modificere forstyrrelsen.
DK200700104A 2006-01-31 2007-01-24 Fremgangsmåde, apparat og computerprogramprodukt til injektion af ström DK176853B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/344,730 US7423412B2 (en) 2006-01-31 2006-01-31 Method, apparatus and computer program product for injecting current
US34473006 2006-01-31

Publications (2)

Publication Number Publication Date
DK200700104A true DK200700104A (da) 2007-08-01
DK176853B1 DK176853B1 (da) 2009-12-14

Family

ID=38268389

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200700104A DK176853B1 (da) 2006-01-31 2007-01-24 Fremgangsmåde, apparat og computerprogramprodukt til injektion af ström

Country Status (4)

Country Link
US (1) US7423412B2 (da)
CN (1) CN101026301B (da)
DE (1) DE102007005165B4 (da)
DK (1) DK176853B1 (da)

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US20070177314A1 (en) 2007-08-02
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CN101026301A (zh) 2007-08-29
US7423412B2 (en) 2008-09-09

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