Solar panel cleaning determination method for solar photovoltaic power generation system

A solar panel and solar photovoltaic technology, applied in the field of solar photovoltaic power generation systems, can solve problems such as inability to determine the cleaning of photovoltaic modules, and achieve the effects of dynamic cleaning and improving operating efficiency

Active Publication Date: 2020-09-04
霍尔果斯正泰科技服务有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiency that the solar photovoltaic power generation system in the prior art cannot determine when to clean the photovoltaic modules, and to provide a solar panel cleaning judgment method for the solar photovoltaic power generation system that can effectively ensure power generation efficiency

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  • Solar panel cleaning determination method for solar photovoltaic power generation system

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 The illustrated embodiment is a method for judging solar panel cleaning in a solar photovoltaic power generation system, including a power station in which 20 5KW inverters and 27,936 315w solar panels are arranged; the 27,936 solar panels are divided into 20 groups, Each inverter is electrically connected to 27936 / 20 solar panels, and one inverter is set as a benchmark inverter, and each solar panel connected to the benchmark inverter is cleaned daily; including the following steps: setting Set the time T1 when all solar panels were cleaned last time to be 30 days ago;

[0025] Step 100, calculating the cumulative actual power generation hours H1 and the cumulative benchmark power generation hours H2 from T1 to the current moment;

[0026] H1=901800kwh / 8800KW=102.447h from T1 to the current moment, H2=533kwh / 5KW=106.6...

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Abstract

The invention discloses a solar cell panel cleaning determination method for a solar photovoltaic power generation system, and the method employs a power station which is provided with a inverters andm solar cell panels. M solar cell panels are divided into a groups, wherein m is a multiple of a. Each inverter is electrically connected with m / a solar cell panels, and one inverter is set to be a benchmark inverter. All solar cell panels connected with the benchmark inverter are cleaned each day. The method achieves the dynamic cleaning of a photovoltaic assembly, and improves the operation efficiency of a photovoltaic power station.

Description

technical field [0001] The invention relates to the technical field of solar photovoltaic power generation systems, in particular to a method for judging the cleaning of solar panels of a solar photovoltaic power generation system that can effectively ensure power generation efficiency. Background technique [0002] Due to the influence of climate, environment and other factors, the surface of solar modules is easy to accumulate dust, and "dust" is an important factor affecting the efficiency of solar photovoltaic power generation systems. More sunny and less rainy weather is conducive to photovoltaic power generation, but the ensuing The impact is that the surface area of ​​the components is dusty, so the solar modules must be cleaned irregularly. If the photovoltaic module is dusty, it will affect the light intensity of the photovoltaic cell, which in turn will affect the output power of the photovoltaic cell. For the problem that the dust coverage thickness is difficult ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06H02S40/10H02S50/15
CPCH02S40/10Y02E10/50Y02E40/70Y04S10/50
Inventor 陈璐张天文付伟铭李建周刘杰斌虞巧玲陆川
Owner 霍尔果斯正泰科技服务有限公司
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