Method for controlling an arrangement for supplying electric current to a power supply system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-001/10
H02J-003/46
H02J-003/28
H02J-003/14
H02J-003/38
F03D-007/02
출원번호
US-0385380
(2013-03-08)
등록번호
US-9742191
(2017-08-22)
우선권정보
DE-10 2012 204 220 (2012-03-16)
국제출원번호
PCT/EP2013/054794
(2013-03-08)
국제공개번호
WO2013/135592
(2013-09-19)
발명자
/ 주소
Beekmann, Alfred
출원인 / 주소
WOBBEN PROPERTIES GMBH
대리인 / 주소
Seed IP Law Group LLP
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
The invention relates to a method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, comprising the following steps: generating electrical power using the wind energy installation from wind, feeding a first proportion o
The invention relates to a method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, comprising the following steps: generating electrical power using the wind energy installation from wind, feeding a first proportion of the generated electrical power into the electrical supply system, supplying a second proportion of the generated electrical power to an electrical consumer for consuming the supplied second proportion of the generated electrical power, and wherein, depending on at least one monitored system state and/or depending on the prevailing wind, the second proportion of the generated electrical power which is supplied to the consumer is reduced wholly or partially and the first proportion of the electrical power fed into the electrical supply system is increased correspondingly, and to a corresponding feed arrangement.
대표청구항▼
1. A method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, the method comprising: generating electrical power from wind using the wind energy installation;feeding a first proportion of the generated electrical power
1. A method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, the method comprising: generating electrical power from wind using the wind energy installation;feeding a first proportion of the generated electrical power into the electrical supply system;supplying a second proportion of the generated electrical power to an electrical consumer configured to consume the supplied second proportion of the generated electrical power;supplying a third proportion of the generated electrical power to an electrical store;monitoring at least one of a system state of the electrical supply system and the wind; anddepending on at least one of the monitored system state of the electrical supply system and the wind, reducing an amount of the second proportion of the generated electrical power that is supplied to the consumer and either increasing an amount of the first proportion of the generated electrical power that is fed into the electrical supply system or maintaining the amount of the first proportion of the generated electrical power that is fed into the electrical supply system to stabilize the electrical supply system; andthe method comprises at least one of: depending on the at least one monitored system state, drawing electrical power from the electrical store and feeding the drawn electrical power into the electrical supply system; anddepending on the at least one monitored system state, reducing the third proportion of the generated electrical power that is supplied to the electrical store and increasing the first proportion of the electrical power. 2. The method according to claim 1, wherein the electrical consumer is a conversion apparatus for converting the generated electrical power into another energy form. 3. The method according to claim 1 wherein, monitoring at least one system state of the electrical supply system comprises at least one of: monitoring a frequency of the electrical supply system;monitoring a voltage of the electrical supply system;evaluating an external signal of the supply system;determining a present demand for electrical power by the supply system; andmonitoring a change in frequency of the electrical supply system. 4. The method according to claim 1 wherein: the second proportion of the generated electrical power supplied to the electrical consumer is added to the first proportion of the electrical power fed into the electrical supply system; andthe third proportion of the generated electrical power is added to the first proportion of the electrical power fed into the electrical supply system. 5. The method according to claim 1, wherein the feed arrangement includes an inverter with a DC voltage intermediate circuit, and at least one of the first and second proportion of the electrical power is at least partially diverted such that the electrical power is introduced directly into the DC voltage intermediate circuit. 6. A feed arrangement for feeding electrical power into an electrical supply system, the feed arrangement comprising: a wind energy installation for generating electrical power;a feed means for feeding at least one first proportion of the electrical power generated by the wind energy installation;an electrical consumer for consuming at least one second proportion of the electrical power generated by the wind energy installation; anda control device for controlling the feed arrangement, wherein the control device is configured to implement a method according to claim 1. 7. The feed arrangement according to claim 6, wherein the electrical consumer is a conversion apparatus for converting the electrical power into another energy form. 8. The feed arrangement according to claim 6, comprising the electrical store for storing the third proportion of the electrical power generated by the wind energy installation. 9. A wind farm comprising: a plurality of wind energy installations configured to generate electrical power; anda feed arrangement including: an inverter configured to feed a first proportion of the electrical power generated by the plurality of wind energy installations;an electrical consumer for consuming a second proportion of the electrical power generated by the plurality of wind energy installations;an electrical store for storing a third proportion of the electrical power generated by the wind energy installation; anda control device for controlling the feed arrangement, wherein the control device is configured to: reduce a first amount of the second proportion of the generated electrical power that is supplied to the consumer and to increase a second amount of the first proportion of the generated electrical power that is fed into the electrical supply system to stabilize the electrical supply system; andat least one of: depending on at least one monitored system state, draw electrical power from the electrical store and feed the drawn electrical power into the electrical supply system; anddepending on the monitored system state, reduce the third proportion of the electrical power and increase the first proportion of the electrical power. 10. The method according to claim 1, wherein the amount of the second proportion of the generated electrical power that is reduced corresponds to the amount of the first proportion of the generated electrical power that is increased. 11. The method according to claim 1, wherein reducing the amount of the second proportion of the generated electrical power that is supplied to the consumer comprises reducing the amount of the second proportion to zero. 12. The method according to claim 2, wherein the other energy form is gas. 13. The method according to claim 4, wherein the second proportion of the generated electrical power supplied to the electrical consumer is added to the first proportion of the electrical power fed into the electrical supply system by diverting the second proportion of the generated electrical power through a switchover operation such that the second portion together with the first proportion is ready to be fed into the electrical supply system. 14. The feed arrangement according to claim 8, wherein the control device is a microcontroller. 15. The feed arrangement according to claim 9, wherein the other energy form is a gas. 16. The feed arrangement according to claim 6, comprising an inverter with a DC voltage intermediate circuit for feeding the first proportion of the electrical power into the electrical supply system. 17. The feed arrangement according to claim 6, wherein the feed arrangement comprises a plurality of wind power installations. 18. The method according to claim 1, wherein the amount of the first proportion of the generated electrical power that is fed into the electrical supply system is increased in response to an increase in power demand by the electrical supply system or the amount of the first proportion of the generated electrical power that is fed into the electrical supply system is maintained in response to a drop in a power supplied by the wind energy installation. 19. A method for controlling a feed arrangement having a wind energy installation for feeding electrical power into an electrical supply system, the method comprising: generating electrical power from wind using the wind energy installation;feeding a first proportion of the generated electrical power into the electrical supply system;supplying a second proportion of the generated electrical power to an electrical consumer configured to consume the supplied second proportion of the generated electrical power;supplying a third proportion of the generated electrical power to an electrical store;monitoring at least one of a system state of the electrical supply system and the wind; andin response to a reduction in the wind, reducing an amount of the second proportion of the generated electrical power that is supplied to the consumer and maintaining an amount of the first proportion of the generated electrical power that is fed into the electrical supply system to maintain stability of the electrical supply system; andthe method comprises at least one of: depending on the at least one of the system state of the electrical supply system and the wind, drawing electrical power from the electrical store and feeding the drawn electrical power into the electrical supply system; anddepending on the at least one of the system state of the electrical supply system and the wind, reducing the third proportion of the generated electrical power that is supplied to the electrical store and increasing the first proportion of the electrical power.
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이 특허에 인용된 특허 (6)
Wobben,Aloys, Method for operating a wind energy plant.
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