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1. WO2011113219 - GRID-CONNECTED WIND-PHOTOVOLTAIC HYBRID POWER GENERATION SYSTEM AND POWER GENERATION METHOD THEREOF

Publication Number WO/2011/113219
Publication Date 22.09.2011
International Application No. PCT/CN2010/071785
International Filing Date 15.04.2010
IPC
H02J 3/38 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
38Arrangements for parallelly feeding a single network by two or more generators, converters, or transformers
H02J 7/35 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
35with light sensitive cells
H02J 7/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
CPC
H02J 2300/24
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
2300Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
20The dispersed energy generation being of renewable origin
22The renewable source being solar energy
24of photovoltaic origin
H02J 2300/28
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
2300Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
20The dispersed energy generation being of renewable origin
28The renewable source being wind energy
H02J 2300/40
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
2300Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
40wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
H02J 3/381
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
381Dispersed generators
Y02E 10/56
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
50Photovoltaic [PV] energy
56Power conversion systems, e.g. maximum power point trackers
Y02E 10/76
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
70Wind energy
76Power conversion electric or electronic aspects
Applicants
  • 三一电气有限责任公司 SANY ELECTRIC CO., LTD [CN]/[CN] (AllExceptUS)
  • 吴佳梁 WU, Jialiang [CN]/[CN] (UsOnly)
  • 叶坚强 YE, Jianqiang [CN]/[CN] (UsOnly)
  • 王飞 WANG, Fei [CN]/[CN] (UsOnly)
Inventors
  • 吴佳梁 WU, Jialiang
  • 叶坚强 YE, Jianqiang
  • 王飞 WANG, Fei
Agents
  • 北京集佳知识产权代理有限公司 UNITALEN ATTORNEYS AT LAW
Priority Data
201010125769.815.03.2010CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) GRID-CONNECTED WIND-PHOTOVOLTAIC HYBRID POWER GENERATION SYSTEM AND POWER GENERATION METHOD THEREOF
(FR) SYSTÈME DE PRODUCTION D'ÉNERGIE ÉLECTRIQUE HYBRIDE ÉOLIEN-PHOTOVOLTAÏQUE CONNECTÉ AU RÉSEAU ET SON PROCÉDÉ DE PRODUCTION D'ÉNERGIE ÉLECTRIQUE
(ZH) 一种并网型风光联合发电系统及其发电方法
Abstract
(EN) A grid-connected wind-photovoltaic hybrid power generation system and a power generation method thereof. The system includes a wind power generating set and a solar photovoltaic array which are connected to a power grid respectively, a detection device (11), a power storage device (12) and a master control device (13). When the sum of the output power generated by the wind power generating set and the output power generated by the solar photovoltaic array is greater than a fluctuation range of the output power required by the power grid, the master control device (13) controls the power storage device (12) to store electrical energy therein; and when the sum of the output power is smaller than the fluctuation range of the output power, the master control device (13) controls the power storage device (12) to discharge electrical energy. During the operation of the grid-connected wind-photovoltaic hybrid power generation system, a supplemental generating set and the power storage device (12) can adjust the power delivered to the power grid by the power generation system in real time according to the amount of the output power.
(FR) L'invention porte sur un système de production d'énergie électrique hybride éolien-photovoltaïque connecté au réseau et sur son procédé de production d'énergie électrique. Le système comprend un ensemble générateur d'énergie éolienne et un réseau photovoltaïque solaire qui sont connectés respectivement à un réseau électrique, un dispositif de détection (11), un dispositif de stockage d'énergie (12) et un dispositif de commande maître (13). Lorsque la somme de la puissance de la sortie produite par l'ensemble générateur d'énergie éolienne et de la puissance de sortie produite par le réseau photovoltaïque solaire est supérieure à une plage de fluctuation de la puissance de sortie requise par le réseau électrique, le dispositif de commande maître (13) commande le dispositif de stockage d'énergie (12) de façon à y stocker de l'énergie électrique ; et lorsque la somme des puissances de sortie est inférieure à la plage de fluctuation de la puissance de sortie, le dispositif de commande maître (13) commande le dispositif de stockage d'énergie (12) de façon à décharger de l'énergie électrique. Durant le fonctionnement du système de production d'énergie électrique hybride éolien-photovoltaïque connecté au réseau, un ensemble générateur supplémentaire et le dispositif de stockage d'énergie (12) peuvent ajuster la puissance fournie au réseau électrique par le système de production d'énergie électrique en temps réel en fonction de la quantité de puissance de sortie.
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