DK2351189T3 - Frekvensresponsiv, ladningsopretholdende styring af elektricitetslagringssystemer til hjælpetjenester på et elektrisk net. - Google Patents
Frekvensresponsiv, ladningsopretholdende styring af elektricitetslagringssystemer til hjælpetjenester på et elektrisk net. Download PDFInfo
- Publication number
- DK2351189T3 DK2351189T3 DK09819560.5T DK09819560T DK2351189T3 DK 2351189 T3 DK2351189 T3 DK 2351189T3 DK 09819560 T DK09819560 T DK 09819560T DK 2351189 T3 DK2351189 T3 DK 2351189T3
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- DK
- Denmark
- Prior art keywords
- grid
- energy
- energy storage
- soc
- storage device
- Prior art date
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Classifications
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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/337—Electrical grid status parameters, e.g. voltage, frequency or power demand
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Claims (9)
1. Fremgangsmåde til at reagere på ændringer i driftsfrekvensen af et elektricitetsnet (205) ved hjælp af energilagringsindretninger (210), som er energimæssigt koblet med elektricitetsnettet, hvor fremgangsmåden omfatter: at bestemme, om en parameter af driftsfrekvensen af elektricitetsnettet er inden for et forud bestemt interval, hvis driftsfrekvensparameteren er bestemt til at være uden for det forud bestemte interval, at justere netfrekvensen ved at overføre energi mellem energilagringsindretningerne og elektricitetsnettet, hvis driftsfrekvensparameteren er inden for det forud bestemte interval, at bestemme om en ladningstilstand (SOC) af energilagringsindretningerne er inden for forud bestemte grænser, og at overføre energi mellem energilagringsindretningen og elektricitetsnettet for at bringe SOC'en inden for de forud bestemte grænser, når driftsfrekvensparameteren er inden for det forud bestemte interval, og SOC'en af energilagringsindretningen er uden for de forud bestemte grænser, hvor overførslen omfatter at aflade eller lade energilagringsindretningen, kendetegnet ved, at driftsfrekvensparameteren er forandringshastigheden af driftsfrekvensen, og ved at energi overføres mellem nettet og energilagringsindretningen for at regulere frekvensen ved en hastighed, som er en ikke-lineær funktion af driftsfrekvensen af nettet, hvor funktionen er et polynomium af højere orden end én.
2. Fremgangsmåde ifølge krav 1, som desuden omfatter: at overvåge ladningstilstanden (SOC) med et energilagringsindretningsstyringssystem, fra hvilket en SOC-værdi modtages, og at overvåge netfrekvensen med en transducer, fra hvilken netfrekvensen modtages, hvor SOC-værdien og netfrekvensen modtages ved en programmerbar logikstyring.
3. Fremgangsmåde ifølge krav 1, hvor energi overføres mellem nettet og energilagringsindretningen for at bringe SOC'en inden for den forud bestemte grænse ved en hastighed, som er baseret på SOC'en.
4. Fremgangsmåde ifølge krav 1, hvor energi overføres mellem nettet og energilagringsindretningen for at bringe SOC'en inden for den forud bestemte grænse ved en hastighed, som er baseret på driftsfrekvensen af nettet.
5. Fremgangsmåde ifølge krav 1, hvor energi overføres mellem nettet og lagringscellerne for at bringe SOC'en inden for den forud bestemte grænse ved en hastighed, som er baseret på kapaciteten af energilagringsindretningen.
6. System (200) til at reagere på ændringer i driftsfrekvensen af et elektricitetsforsyningsnet (205), omfattende: mindst én energilagringsindretning (210), en konverter (215) der, som reaktion på en kommando til at tilføre energi til eller absorbere energi fra nettet, er konfigureret til selektivt at koble energilagringsindretningen til nettet for at overføre energi mellem energilagringsindretningen og nettet, og et ladningstilstands- (SOC) opretholdelsessystem, som er konfigureret til: at bestemme, om en parameter af driftsfrekvensen af elektricitetsnettet er inden for et forud bestemt interval, at justere, hvis driftsfrekvensparameteren er bestemt til at være uden for det forud bestemte interval, netfrekvensen ved at overføre energi mellem energilagringsindretningen og elektricitetsnettet, at bestemme, hvis driftsfrekvensparameteren er bestemt til at være inden for det forud bestemte interval, om en ladningstilstand (SOC) af energilagringsindretningen er inden for forud bestemte grænser, og at styre konverteren til at overføre energi mellem energilagringsindretningen og elektricitetsnettet for at bringe SOC'en inden for de forud bestemte grænser, når driftsfrekvensparameteren er inden for det forud bestemte interval, og SOC'en af energilagringsindretningen er uden for de forud bestemte grænser, hvor overførslen omfatter at aflade eller lade energilagringsindretningen, kendetegnet ved, at driftsfrekvensparameteren er forandringshastigheden af driftsfrekvensen, og ved at SOC-opretholdelsessystemet er konfigureret til at overføre energien mellem nettet og energilagringsindretningen for at justere frekvensen ved en hastighed, som er en ikke-lineær funktion af driftsfrekvensen af nettet, hvor funktionen er et polynomium af højere orden end én.
7. System (200) ifølge krav 6, hvor SOC-opretholdelsessystemet omfatter en kontroller (230) konfigureret til at instruere konverteren til at forbinde og frakoble energilagringsindretningen og nettet.
8. System (200) ifølge krav 7, hvor kontrolleren er konfigureret til at instruere konverteren til at overføre energi mellem nettet og energilagringsindretningen ved en hastighed som er baseret på SOC'en, på driftsfrekvensen af nettet og/eller på kapaciteten af energilagringsindretningen.
9. System (200) ifølge krav 7, som desuden omfatter et lagringscellestyringssystem (235) konfigureret til at tilvejebringe data til kontrolleren vedrørende ladningstilstanden af energilagringsindretningen (210).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/248,106 US7839027B2 (en) | 2008-10-09 | 2008-10-09 | Frequency responsive charge sustaining control of electricity storage systems for ancillary services on an electrical power grid |
PCT/US2009/005511 WO2010042190A2 (en) | 2008-10-09 | 2009-10-08 | Frequency responsive charge sustaining control of electricity storage systems for ancillary services on an electrical power grid |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2351189T3 true DK2351189T3 (da) | 2016-07-18 |
Family
ID=42098214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK09819560.5T DK2351189T3 (da) | 2008-10-09 | 2009-10-08 | Frekvensresponsiv, ladningsopretholdende styring af elektricitetslagringssystemer til hjælpetjenester på et elektrisk net. |
Country Status (12)
Country | Link |
---|---|
US (1) | US7839027B2 (da) |
EP (1) | EP2351189B1 (da) |
CN (1) | CN102326315B (da) |
BR (1) | BRPI0919662A2 (da) |
CL (1) | CL2011000801A1 (da) |
DK (1) | DK2351189T3 (da) |
ES (1) | ES2581429T3 (da) |
HU (1) | HUE029359T2 (da) |
PE (1) | PE20120098A1 (da) |
PL (1) | PL2351189T3 (da) |
RU (1) | RU2492566C2 (da) |
WO (1) | WO2010042190A2 (da) |
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US20100090532A1 (en) | 2010-04-15 |
BRPI0919662A2 (pt) | 2015-12-01 |
PE20120098A1 (es) | 2012-03-14 |
PL2351189T3 (pl) | 2016-10-31 |
CL2011000801A1 (es) | 2011-07-08 |
CN102326315B (zh) | 2015-01-14 |
ES2581429T3 (es) | 2016-09-05 |
EP2351189A2 (en) | 2011-08-03 |
US7839027B2 (en) | 2010-11-23 |
RU2011117931A (ru) | 2012-11-20 |
WO2010042190A3 (en) | 2010-07-22 |
EP2351189B1 (en) | 2016-04-27 |
WO2010042190A2 (en) | 2010-04-15 |
CN102326315A (zh) | 2012-01-18 |
HUE029359T2 (en) | 2017-02-28 |
EP2351189A4 (en) | 2012-04-04 |
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