CN202451379U - Integration utilization device of photo-thermal photovoltaic power station - Google Patents

Integration utilization device of photo-thermal photovoltaic power station Download PDF

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Publication number
CN202451379U
CN202451379U CN 201120563750 CN201120563750U CN202451379U CN 202451379 U CN202451379 U CN 202451379U CN 201120563750 CN201120563750 CN 201120563750 CN 201120563750 U CN201120563750 U CN 201120563750U CN 202451379 U CN202451379 U CN 202451379U
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China
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power generation
photo
thermal
generation unit
solar
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Expired - Lifetime
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CN 201120563750
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Inventor
许世森
郑建涛
李启明
徐越
徐海卫
刘明义
裴杰
刘冠杰
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Abstract

An integration utilization device of a photo-thermal photovoltaic power station comprises a solar photo-thermal power generation unit and a photovoltaic power generation unit. A solar heat power generation mirror field in the solar photo-thermal power generation unit is connected with a heat collection system connected with a turbine. The turbine drives a generator to generate power, and the generator is connected with an alternating current power grid. A photovoltaic battery array in the photovoltaic power generation unit is connected with a direct current distributor. The output of the direct current distributor is divided into two portions, one portion is connected with a heat storage system of the photo-thermal power generation unit, a steam generation direct current electric furnace or a direct current motor-driven pump, and the other portion enters the alternating current power grid after subjected to reactive compensation by an inverter. The integration utilization device combines two power generation modes including the solar photo-thermal mode and the photovoltaic mode, complements advantages of the two modes and can effectively utilize solar energy resources accordingly.

Description

A kind of photo-thermal, photo-voltaic power generation station integration utilized device
Technical field
The utility model relates to the solar energy generation technology field, is specifically related to a kind of photo-thermal, photo-voltaic power generation station integration utilized device.
Background technique
Along with steady development of economy, demands for energy grows with each passing day, and there is the serious and non-renewable day by day problem of polluting in fossil energy, and the reproducible energy of development cleaning is imperative.The solar energy reserves are abundant, are a kind of renewable energy sourcess of environment-protecting clean, received people's extensive concern.
Solar electrical energy generation mainly comprises photo-thermal and two kinds of forms of photovoltaic.Photo-thermal is meant and uses solar energy heating working medium that working medium absorbs the state that energy arrives HTHP, drives thermo-mechanical power generation then.Photo-thermal can divide two big types of optically focused and non-optically focused, when generating electricity on a large scale, adopts the former more, mainly comprises four kinds of forms such as slot type, tower, dish formula and linear Fresnel formula.Optically focused class solar heat power generation system is similar to traditional system of thermal power station, can think coal fired boiler is changed to solar heat collector, and self need consume a part of electric energy this power station, like feed water pump, motor, pipe insulation etc., causes the reduction of output electric energy.Photovoltaic is meant and uses solar photovoltaic cell panel directly to convert solar energy into electric energy, and this power station self power consumption seldom but need be used inverter when generating electricity by way of merging two or more grid systems on a large scale, and power station energy storage difficulty comparatively.Comprehensive These characteristics if solar energy optical-thermal and two kinds of generation modes of photovoltaic are mutually combined, is had complementary advantages, thus the more efficiently solar energy resources that utilizes.
Summary of the invention
In order to overcome the shortcoming of above-mentioned existing technology; The purpose of the utility model is to provide a kind of photo-thermal, photo-voltaic power generation station integration utilized device; Solar energy optical-thermal and two kinds of generation modes of photovoltaic are mutually combined, have complementary advantages, thus the more efficiently solar energy resources that utilizes.
To achieve these goals, the technological scheme taked of the utility model is:
A kind of photo-thermal, photo-voltaic power generation station integration utilized device comprise solar light-heat power-generation unit and continuous photovoltaic generation unit thereof;
Described solar light-heat power-generation unit comprises solar thermal power generation mirror field 1; Solar thermal power generation mirror field 1 and collecting system 2 phase configuration; Solar thermal power generation mirror field 1 focuses on reflected light, and the reflected light heat gets into collecting system 2, and collecting system 2 sender property outlets are connected through the steam inlet of steam raising plant or heat-exchanger rig and steam turbine 6; Steam turbine 6 drives generator 7 generatings; The output of generator 7 is connected with AC network 14, and the steam (vapor) outlet of steam turbine 6 is connected with the inlet of condenser 8, and the outlet of condenser 8 is connected with the import of collecting system 2 through DC electropump 9, heater 10 successively; Heat reservoir 3, heat conducting oil pipe 4 connect back and collecting system 2 parallel connections, steam generation direct current furnace 5 and collecting system 2 parallel connections;
Described photovoltaic generation unit comprises photovoltaic cell display 11; The output of photovoltaic cell display 11 and the input of direct current distributor 12 are connected; The output separated into two parts of direct current distributor 12, a part is connected with the heat reservoir 3 at photothermal power generation station, or is connected with steam generation direct current furnace 5; Or be connected with DC electropump 9, another part gets into AC network 14 through inverter 13 after reactive-load compensation.
Described solar light-heat power-generation unit adopts tower type solar energy thermal power generation device, linear Fresnel formula, trough type solar power generation device or disc type solar energy thermal electric generator.
Described photovoltaic generation unit can adopt polycrystal silicon cell, monocrystalline silicon battery, hull cell or hybrid photovoltaic power generation apparatus.
The advantage of the utility model is: the electricity that solar heat power generation system sent just can all be connected to the grid; Power station self electricity consumption is then provided by solar panel, through this combination, can solar energy thermal-power-generating and photovoltaic generation dual mode be had complementary advantages; Directly utilize the direct current of photovoltaic; The loss of cutting down the number of intermediate links improves the integration energy conversion efficiency, the more efficiently solar energy resources that utilizes.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed description.
As shown in the figure, a kind of photo-thermal, photo-voltaic power generation station integration utilized device comprise solar light-heat power-generation unit and continuous photovoltaic generation unit thereof;
Described solar light-heat power-generation unit comprises solar thermal power generation mirror field 1; Solar thermal power generation mirror field 1 and collecting system 2 phase configuration; Solar thermal power generation mirror field 1 focuses on the solar radiation heat that absorbs and gets into collecting system 2; Collecting system 2 sender property outlets are connected through the steam inlet of steam raising plant or heat-exchanger rig and steam turbine 6; Steam turbine 6 drives generator 7 generatings, and the output of generator 7 is connected with AC network 14, and collecting system 2 produces steam entering steam turbine 6 through steam raising plant or heat-exchanger rig and generates electricity by way of merging two or more grid systems through generator 7 output AC electricity; The steam (vapor) outlet of steam turbine 6 is connected with the inlet of condenser 8; The outlet of condenser 8 is connected with the import of collecting system 2 through DC electropump 9, heater 10 successively, gets into condenser 8 after steam expansion working in turbine condenses, and is getting into circulation again through heater 10 entering collecting systems 2 after the vapor condenses; Heat reservoir 3, heat conducting oil pipe 4 connect back and collecting system 2 parallel connections, steam generation direct current furnace 5 and collecting system 2 parallel connections;
Described photovoltaic generation unit comprises photovoltaic cell display 11; The output of solar-energy photo-voltaic cell display 11 and the input of direct current distributor 12 are connected; The output separated into two parts of direct current distributor 12, a part is connected with the heat reservoir 3 at photothermal power generation station, and heat reservoir 3, heat conducting oil pipe 4 are incubated; Or be connected with steam generation direct current furnace 5; Make steam generation direct current furnace 5 when the solar energy scattered radiation, can directly produce steam and get into the photothermal power generation station, or be connected, directly use DC electropump 9 to make water of condensation or supercharging such as hydrophobic with DC electropump 9; Another part gets into AC network 14 through inverter 13 after reactive-load compensation, and the Ac of the energy storage at photothermal power generation station or heat reservoir can be kept night or the electricity consumption of cloudy photovoltaic generation part consumer.
Described solar light-heat power-generation unit adopts tower type solar energy thermal power generation device, linear Fresnel formula, trough type solar power generation device or disc type solar energy thermal electric generator.
Described photovoltaic generation unit can adopt polycrystal silicon cell, monocrystalline silicon battery, hull cell or hybrid photovoltaic power generation apparatus.
The electricity that the utility model solar heat power generation system is sent just can all be connected to the grid; Power station self electricity consumption is then provided by solar panel, through this combination, can solar energy thermal-power-generating and photovoltaic generation dual mode be had complementary advantages; Directly utilize the direct current of photovoltaic; The loss of cutting down the number of intermediate links improves the integration energy conversion efficiency, the more efficiently solar energy resources that utilizes.

Claims (3)

1. a photo-thermal, photo-voltaic power generation station integration utilized device is characterized in that: comprise solar light-heat power-generation unit and continuous photovoltaic generation unit thereof;
Described solar light-heat power-generation unit comprises solar thermal power generation Jing Chang (1); Solar thermal power generation Jing Chang (1) and collecting system (2) phase configuration; Solar thermal power generation Jing Chang (1) focuses on reflected light, and the reflected light heat gets into collecting system (2), and collecting system (2) sender property outlet is connected through the steam inlet of steam raising plant or heat-exchanger rig and steam turbine (6); Steam turbine (6) drives generator (7) generating; The output of generator (7) is connected with AC network (14), and the steam (vapor) outlet of steam turbine (6) is connected with the inlet of condenser (8), and the outlet of condenser (8) is connected with the import of collecting system (2) through DC electropump (9), heater (10) successively; Heat reservoir (3), heat conducting oil pipe (4) connect back and collecting system (2) parallel connection, steam generation direct current furnace (5) and collecting system (2) parallel connection;
Described photovoltaic generation unit comprises photovoltaic cell display (11); The output of photovoltaic cell display (11) and the input of direct current distributor (12) are connected; The output separated into two parts of direct current distributor (12), a part is connected with the heat reservoir (3) at photothermal power generation station, or is connected with steam generation direct current furnace (5); Or be connected with DC electropump (9), another part gets into AC network (14) through inverter (13) after reactive-load compensation.
2. a kind of photo-thermal according to claim 1, photo-voltaic power generation station integration utilized device is characterized in that: described solar light-heat power-generation unit adopts tower type solar energy thermal power generation device, linear Fresnel formula, trough type solar power generation device or disc type solar energy thermal electric generator.
3. a kind of photo-thermal according to claim 1, photo-voltaic power generation station integration utilized device is characterized in that: described photovoltaic generation unit can adopt polycrystal silicon cell, monocrystalline silicon battery, hull cell or hybrid photovoltaic power generation apparatus.
CN 201120563750 2011-12-29 2011-12-29 Integration utilization device of photo-thermal photovoltaic power station Expired - Lifetime CN202451379U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518571A (en) * 2011-12-29 2012-06-27 中国华能集团清洁能源技术研究院有限公司 Large-sized integrated utilization system for photo-thermal power generating station and photovoltaic power generating station
CN103742374A (en) * 2013-12-27 2014-04-23 陕西大唐新能电力设计有限公司 Concentrated solar heat distributed energy comprehensive utilization method
CN107388607A (en) * 2017-08-03 2017-11-24 苏州绿标新能源科技有限公司 A kind of photovoltaic and photothermal hybrid power plant systems
CN108533467A (en) * 2018-02-26 2018-09-14 华北电力大学 A kind of slot type of power regulation, tower photo-thermal and photovoltaic can heat accumulation electricity generation systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518571A (en) * 2011-12-29 2012-06-27 中国华能集团清洁能源技术研究院有限公司 Large-sized integrated utilization system for photo-thermal power generating station and photovoltaic power generating station
CN103742374A (en) * 2013-12-27 2014-04-23 陕西大唐新能电力设计有限公司 Concentrated solar heat distributed energy comprehensive utilization method
CN107388607A (en) * 2017-08-03 2017-11-24 苏州绿标新能源科技有限公司 A kind of photovoltaic and photothermal hybrid power plant systems
CN108533467A (en) * 2018-02-26 2018-09-14 华北电力大学 A kind of slot type of power regulation, tower photo-thermal and photovoltaic can heat accumulation electricity generation systems

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