CN104821775A - 太阳能发电系统 - Google Patents

太阳能发电系统 Download PDF

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Publication number
CN104821775A
CN104821775A CN201410044219.1A CN201410044219A CN104821775A CN 104821775 A CN104821775 A CN 104821775A CN 201410044219 A CN201410044219 A CN 201410044219A CN 104821775 A CN104821775 A CN 104821775A
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solar
generating system
solar power
photovoltaic
power generation
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齐林喜
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INNER MONGOLIA DUN'AN PHOTOVOLTAIC TECHNOLOGY Co Ltd
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INNER MONGOLIA DUN'AN PHOTOVOLTAIC TECHNOLOGY Co Ltd
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Priority to CN201410044219.1A priority Critical patent/CN104821775A/zh
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Photovoltaic Devices (AREA)

Abstract

一种太阳能发电系统,其包括光伏发电系统、光热发电系统及用于冷却光伏发电系统并为光热发电系统供应热流体的液冷系统。本发明的太阳能发电系统综合利用光伏发电和光热发电的特点,将用于光伏电池板冷却的热流体送至光热发电重新利用,能源利用率更高。

Description

太阳能发电系统
技术领域
本发明涉及一种发电系统,尤其涉及一种太阳能发电系统。
背景技术
作为一种清洁能源,目太阳能发电的利用方式主要有两种,光热发电和光伏发电,目前光伏发电站以光伏电池板作为发电装置进行发电然后并网输电,光热发电站(太阳能热发电站)利用聚光装置收集光转化为热能发电并网。光伏发电由于分散性好的优点使用范围较广,但是,在气温较高的情况下,光伏电池板的发电效率会大幅下降,而且需要利用水冷系统辅助降温才能维持光伏发电的正常运行,能耗较高。
发明内容
针对上述所存在的问题,本发明的目的是提供一种能源利用率更高的太阳能发电系统。
为达到上述技术效果,本发明所采取的技术方案是:一种太阳能发电系统,其包括光伏发电系统、光热发电系统及用于冷却光伏发电系统并为光热发电系统供应热流体的液冷系统。
本发明的太阳能发电系统综合利用光伏发电和光热发电的特点,将用于光伏电池板冷却的热流体送至光热发电重新利用,能源利用率更高。
附图说明
图1是本发明太阳能发电系统的原理示意图。
具体实施方式
下面将结合附图对本发明作进一步说明。
如图1所示,本发明的太阳能发电系统10包括光伏发电系统20和光热发电系统30。其中,光伏发电系统20包括接收太阳光的光伏电池板201及接收来自于光伏电池板201电力的蓄电池202。光伏电池板201发出的电力在蓄电池202内储存后,可以并网输电到外网。当然,在一定情况下,蓄电池202可以省略,光伏电池板201发出的电力直接并网。光热发电系统30包括用于收集太阳光的聚光装置301、集热装置302及利用集热装置302的热量发电的发电装置303,发电装置303发出的电力可以并网输出。为了便于热量的储存,光热发电系统30还包括储能装置304。
为了保证光伏电池板201的正常运行,光伏发电系统20还包括用于为光伏电池板201降温的液冷系统40,当气温偏高导致光伏电池板201过热时,液冷系统40工作,为光伏电池板201降温到合适温度,液冷系统40用于降温后的水将成为热流体,同时,液冷系统与光热发电系统相连,在光伏电池板上被初步加热的热流体,可以将热能带到光热发电系统30中,进一步利用。热流体的具体选择,可以根据光热发电系统30的要求而定,可以为水、导热油、有机盐等。
光热发电系统30具体可以为槽式热发电系统,从液冷系统40初步加热后的热流体(如导热油)进入集热装置302,可以由聚光装置301汇聚的光再次加热,加热后的热流体可以进入储能装置304将热能储存下来,等待合适的时候(如晚上、阴雨天等光能不够充裕的时间)发电,也可以直接进入发电装置发电以并网输电。使用过程中,流体可以在光伏发电系统20和光热发电系统30之间循环,发电之后的流体循环到液冷系统40中继续冷却光伏电池板201,吸收热量后将热量带回到光热发电系统30中用于发电。在设置上,光伏发电系统与光热发电系统可以相邻间隔排布,以方便热流体的就近输出,避免热量的传输损失。当然,光热发电系统也可以为塔式发电系统。
本发明的太阳能发电系统综合利用光伏发电和光热发电的特点,将用于光伏电池板冷却的热流体送至光热发电重新利用,能源利用率更高。
以上所述,为本发明的较佳实施案例,并非对本发明作任何限制,凡是根据本发明技术实质对以上实施例所作的任何简单修改、变更以及等效结构变化,均仍属于本发明技术方案的保护范围内。

Claims (8)

1.一种太阳能发电系统,其包括光伏发电系统、光热发电系统及用于冷却光伏发电系统并为光热发电系统供应热流体的液冷系统。
2.根据权利要求1所述的太阳能发电系统,其特征在于,该热流体为水。
3.根据权利要求1所述的太阳能发电系统,其特征在于,该热流体为导热油。
4.根据权利要求1所述的太阳能发电系统,其特征在于,该热流体为有机盐。
5.根据权利要求1所述的太阳能发电系统,其特征在于,该光热发电系统为槽式光热发电系统。
6.根据权利要求5所述的太阳能发电系统,其特征在于,该光热发电系统与光伏发电系统间隔排布。
7.根据权利要求1所述的太阳能发电系统,其特征在于,该光伏发电系统包括接收太阳光的光伏电池板及接收来自于光伏电池板电力的蓄电池。
8.根据权利要求1所述的太阳能发电系统,其特征在于,该光热发电系统包括用于收集太阳光的聚光装置、集热装置及利用集热装置的热量发电的发电装置。
CN201410044219.1A 2014-01-30 2014-01-30 太阳能发电系统 Pending CN104821775A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157248A (zh) * 2015-09-15 2015-12-16 北京无极合一新能源科技有限公司 一种家用太阳能热电联供装置
CN106130473A (zh) * 2016-06-15 2016-11-16 冯卓林 一种分布式光电站热水机构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101764167A (zh) * 2009-12-25 2010-06-30 赵耀华 太阳能光伏电池高效散热装置及热电联供系统
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CN102647122A (zh) * 2012-05-15 2012-08-22 上海电力学院 太阳能光伏-温差自动控温联合发电装置
CN103390673A (zh) * 2013-07-17 2013-11-13 苏州聚晟太阳能有限公司 槽式聚光光电、热能混合式发电系统及控制方法
CN103474508A (zh) * 2013-09-03 2013-12-25 涿州聚烨新能源技术有限公司 一种太阳能反射聚光光伏系统及其反射聚光热电供应方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101764167A (zh) * 2009-12-25 2010-06-30 赵耀华 太阳能光伏电池高效散热装置及热电联供系统
CN102208475A (zh) * 2011-04-25 2011-10-05 湖南大学 太阳能光伏热电制热模块及光伏热电热水系统
CN102647122A (zh) * 2012-05-15 2012-08-22 上海电力学院 太阳能光伏-温差自动控温联合发电装置
CN103390673A (zh) * 2013-07-17 2013-11-13 苏州聚晟太阳能有限公司 槽式聚光光电、热能混合式发电系统及控制方法
CN103474508A (zh) * 2013-09-03 2013-12-25 涿州聚烨新能源技术有限公司 一种太阳能反射聚光光伏系统及其反射聚光热电供应方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157248A (zh) * 2015-09-15 2015-12-16 北京无极合一新能源科技有限公司 一种家用太阳能热电联供装置
CN106130473A (zh) * 2016-06-15 2016-11-16 冯卓林 一种分布式光电站热水机构

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