A mirror field system combining heliostats and photovoltaics and its arrangement method
A heliostat and photovoltaic technology, applied in the field of solar power generation, can solve the problems of large land occupation, large investment ratio, huge number of heliostats, etc., and achieve the effects of improving economic benefits, improving mirror field efficiency, and improving utilization rate
Active Publication Date: 2021-12-07
浙江中光新能源科技有限公司
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Problems solved by technology
For large-scale tower-type photothermal power plants, heliostats are not only huge in number and occupy the largest area in the power plant, but also have a large investment proportion
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[0042] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will facilitate further understanding of the present invention in any form of techniques, but will not limit the invention in any form. It should be noted that several variations and improvements can also be made without departing from the concept of the present invention. These are all of the scope of protection of the present invention.
[0043] like Figure 1 to 4 This example discloses a mirror field system that combines a fixed day mirror and photovoltaic, including: circular daylight field, photovoltaic electronic system of the tower light thermal power station;
[0044] The circular set-day mirror field is arranged in a tight-type circular mirror field that uses several fixed day mirrors to focusing solar light and reflected on the heat absorber of the heat absorber 1, producing a high temperature for heating the heat absorber. The heat transfer med...
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The invention provides a mirror field system combining heliostats and photovoltaics and an arrangement method thereof. The system includes: the circular heliostat field of the tower-type photothermal power station, and the photovoltaic power generation sub-system; the photovoltaic power generation sub-system includes photovoltaic modules, a photovoltaic automatic tracking system, and an independent micro-inverter that converts direct current into alternating current and a power supply controller; the photovoltaic automatic tracking system, the independent micro-inverter that converts direct current into alternating current, and the power supply controller are all connected to the photovoltaic module; the independent micro-inverter is used to convert the direct current generated by the photovoltaic module Inverted into alternating current and connected to the power supply controller; the photovoltaic automatic tracking system adopts a dual-axis automatic tracking system, which can control the photovoltaic module to automatically track the change of the azimuth and altitude angle of the sun, and realize real-time tracking of the sun; The invention can effectively improve the land utilization rate, reduce the number of heliostats, improve the efficiency of the mirror field, reduce the power supply cost of the factory, and then improve the economic benefits.
Description
Technical field [0001] The present invention relates to the field of solar power generation technologies, and in particular, a mirror field system and an arrangement method thereof in a fixed day mirror and photovoltaic combination. Background technique [0002] Ding Ni Mirror is an important subsystem of tower solar thermal power generation from other photothermal technology routes. At the time of operation of the tower-type photothermal power station, the daylight field reflects the sun radiant energy to the end of the heat absorbing tower, heating the working medium flowing through the heat absorber, converting the solar energy into thermal energy, reaching collection And the purpose of subsequent use of solar energy. For large-scale tower-type photothermal power plants, fixed-day mirrors are not only large in the power station, which is the largest, and the proportion of investment is also large. During the collecting process, thousands of fixed-day mirrors control subsystem ...
Claims
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IPC IPC(8): H02S20/32H02S40/32F24S23/70
CPCF24S23/70H02S20/32H02S40/32Y02E10/40Y02E10/50
Inventor 宋二乔纪培栋李心王聪刘清源张莹邱永荣
Owner 浙江中光新能源科技有限公司