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Wind and photo-thermal power complementation system

A technology of photothermal power generation and electric power, applied in solar heating systems, photovoltaic power generation, photovoltaic power stations, etc., can solve problems affecting the economics of photothermal power stations, and the stability of off-line power consumption affecting the safety of photothermal power stations, etc., to achieve reduction The impact of small power grids, power quality optimization, and economical effects

Active Publication Date: 2020-02-14
ZHEJIANG SUPCON SOLAR TECHNOLOGY CO LTD
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AI Technical Summary

Problems solved by technology

The consumption of online plant power greatly affects the economics of solar thermal power plants, and the stability of offline plant power also affects the safety of solar thermal power plants

Method used

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  • Wind and photo-thermal power complementation system
  • Wind and photo-thermal power complementation system
  • Wind and photo-thermal power complementation system

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Embodiment Construction

[0040] A wind-solar-heat-power complementary system proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims.

[0041] see figure 1 , This embodiment provides a wind-solar-thermal-power complementary system, specifically taking a 100MW solar-thermal power station with 12-hour heat storage and corresponding photovoltaic power generation and wind power generation as an example to illustrate the various points mentioned in the present invention.

[0042] A solar thermal power complementary system, including: a solar thermal power generation unit, a photovoltaic power generation unit, and a wind power generation unit; wherein,

[0043] The photothermal power generation unit is the main body of power generation of the whole system, and is arranged in the central area of ​​the site wher...

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Abstract

The invention discloses a wind and photo-thermal power complementation system. The system comprises a photo-thermal power generation unit, a photovoltaic power generation unit and a wind power generation unit; the photo-thermal power generation unit is a main power generation body of the whole system and is arranged in the center of the site where the whole system is located, and comprises a mirror field, a heat absorbing tower, a heat absorbing device, a cold fused salt storage tank, a hot fused salt storage tank and an accessory device; the photovoltaic power generation unit comprises a photovoltaic power array, a concentrating photovoltaic panel and a first energy unit, wherein electric energy of the photovoltaic power generation unit is directly used for online house supply of the photo-thermal power generation unit. The wind power generation unit comprises a second energy unit and a wind power generator group, wherein the wind power generator group is arranged at the surrounding side of the periphery of the whole system, and electric energy of the wind power generation unit is directly used for offline house supply of the photo-thermal power generation unit. By means of the wind and photo-thermal power complementation system, complementation utilization of various kinds of new energy is achieved, photovoltaic power, wind power and the like which are intermittent and unstable are converted into stable photo-thermal power, and optimization of the power quality is achieved.

Description

technical field [0001] The invention belongs to the technical field of solar thermal power generation, and in particular relates to a solar thermal power complementary system. Background technique [0002] Solar thermal power generation is also called Concentrating Solar Power (CSP for short). At present, the main technical routes of solar thermal power generation systems in the world include tower type, trough type, linear Fresnel type, and dish type. The operation of the energy storage system makes the solar thermal power generation technology different from other new energy generation forms such as wind energy and photovoltaics, and can realize 24-hour continuous, stable and dispatchable power output. Photothermal power generation is considered to be the clean energy that is most likely to replace thermal power to undertake the basic load of electricity. The use of traditional turbogenerators enables photothermal power stations to have frequency modulation and peak regula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S20/20F24S20/40F24S60/30H02S10/12H02S10/30
CPCF24S20/20F24S20/40F24S60/30H02S10/12H02S10/30Y02B10/10Y02B10/20Y02E10/40Y02E10/50
Inventor 金建祥徐能宓霄凌杨都堂李建华薛刚强李晓波韩梦天
Owner ZHEJIANG SUPCON SOLAR TECHNOLOGY CO LTD
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