IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0391578
(2009-02-24)
|
등록번호 |
US-8212371
(2012-07-03)
|
우선권정보 |
EP-08152006 (2008-02-27) |
발명자
/ 주소 |
- Maibach, Philippe
- Eichler, Markus
- Steimer, Peter
|
출원인 / 주소 |
|
대리인 / 주소 |
Buchanan Ingersoll & Rooney PC
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
5 |
초록
▼
An energy system is specified, which comprises a wind power turbine or water power turbine, which is connected to a generator, with the generator having at least two stator windings. In order to achieve a simple and robust design without a transformer, each stator winding has an associated rectifier
An energy system is specified, which comprises a wind power turbine or water power turbine, which is connected to a generator, with the generator having at least two stator windings. In order to achieve a simple and robust design without a transformer, each stator winding has an associated rectifier unit, and each stator winding is connected to the AC voltage side of the associated rectifier unit. Furthermore, each rectifier unit has a respective associated energy storage circuit, and each rectifier unit is connected in parallel on the DC voltage side to the associated energy storage circuit, with the energy storage circuits being connected to one another in series.
대표청구항
▼
1. An energy system comprising: a wind power turbine or water power turbine, which is connected to a generator, with the generator having at least two stator windings and with a respective rectifier unit being associated with each stator winding, and with each stator winding being connected to an AC
1. An energy system comprising: a wind power turbine or water power turbine, which is connected to a generator, with the generator having at least two stator windings and with a respective rectifier unit being associated with each stator winding, and with each stator winding being connected to an AC voltage side of the associated rectifier unit,wherein each rectifier unit has a respective associated energy storage circuit, and each rectifier unit is connected in parallel on a DC voltage side to the associated energy storage circuit, andwherein the energy storage circuits are connected to one another in series. 2. The energy system as claimed in claim 1, wherein the energy storage circuit has a capacitive energy store. 3. The energy system as claimed in claim 1, wherein the energy storage circuit has a first capacitive energy store and a second capacitive energy store, which is connected in series with the first capacitive energy store. 4. The energy system as claimed in claim 3, wherein each stator winding has a first connection and a second connection, and wherein the first connection is connected to the AC voltage side of the associated rectifier unit, and the second connection is connected to the junction point of the first capacitive energy store and the second capacitive energy store. 5. The energy system as claimed in claim 1, wherein each stator winding is formed by three winding elements, and wherein each winding element is connected to the AC voltage side of the rectifier unit associated with the respective stator winding. 6. The energy system as claimed in claim 1, wherein a short-circuiting means is connected in parallel with each energy storage circuit. 7. The energy system as claimed in claim 1, wherein an isolating means is connected in each connection to the stator winding, with the isolating means being used for galvanic isolation of the stator winding. 8. The energy system as claimed in claim 1, wherein each rectifier unit is in the form of an active rectifier unit with controllable power semiconductor switches. 9. The energy system as claimed in claim 1, wherein each rectifier unit is in the form of a passive rectifier unit with passive non-controllable power semiconductor switches. 10. The energy system as claimed in claim 9, wherein a capacitor is connected in series between the stator winding and the passive rectifier unit. 11. The energy system as claimed in claim 8, wherein each rectifier unit is in the form of a multipoint converter for switching a multiplicity of switching voltage levels. 12. The energy system as claimed in claim 3, wherein each stator winding is formed by three winding elements, and wherein each winding element is connected to the AC voltage side of the rectifier unit associated with the respective stator winding. 13. The energy system as claimed in claim 5, wherein a short-circuiting means is connected in parallel with each energy storage circuit. 14. The energy system as claimed in claim 6, wherein an isolating means is connected in each connection to the stator winding, with the isolating means being used for galvanic isolation of the stator winding. 15. The energy system as claimed in claim 7, wherein each rectifier unit is in the form of an active rectifier unit with controllable power semiconductor switches. 16. The energy system as claimed in claim 7, wherein each rectifier unit is in the form of a passive rectifier unit with passive non-controllable power semiconductor switches. 17. The energy system as claimed in claim 10, wherein each rectifier unit is in the form of a multipoint converter for switching a multiplicity of switching voltage levels. 18. A generator configurable within a power-turbine energy system, the generator comprising: a plurality of stator windings;a rectifier unit associated with each respective one of the stator windings, each stator winding being connected to an AC voltage side of the associated rectifier unit; andan energy storage circuit associated with each respective one of the rectifier units, each rectifier unit being connected in parallel on a DC voltage side to the associated energy storage circuit, wherein the energy storage circuits are electrically configured in series.
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