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A photovoltaic module water spray control system and method

A photovoltaic module and control system technology, applied in the photovoltaic field, can solve problems such as insufficient light intensity, low output power of the inverter system, low power generation efficiency, etc., and achieve the effect of reducing costs

Active Publication Date: 2019-03-05
HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD
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  • Application Information

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Problems solved by technology

[0004] However, the inventors found that during the actual operation of the inverter system, there will be weather with high temperature but insufficient light intensity. At this time, if the photovoltaic modules are sprayed with water, the output power of the inverter system will be low (low power generation efficiency) The problem

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  • A photovoltaic module water spray control system and method
  • A photovoltaic module water spray control system and method
  • A photovoltaic module water spray control system and method

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[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] The present invention provides a photovoltaic module water spray control system, including: a component monitoring device, a water flow valve controller and a water spray controller, wherein the component monitoring device is used to collect power parameters of the photovoltaic components, wherein the power parameters include photovoltaic components temperature, voltage and current values. The water spray controller adjusts the opening and closing statu...

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Abstract

The invention provides a water-spraying control system and method for a photovoltaic module. The water-spraying control system comprises a module monitoring apparatus, a water flow valve controller and a water-spraying controller, wherein the module monitoring apparatus is used for collecting power parameters of the photovoltaic module; the power parameters comprise a temperature value, a voltage value and a current value of the photovoltaic module; and the water-spraying controller adjusts the on and off states of the water flow valve controller according to the temperature and the power of the photovoltaic module so as to realize water-spraying control of the photovoltaic module. Therefore, the water-spraying control system provided by the scheme takes two parameters, including temperature and power, into comprehensive consideration, so that the problem of low output power (low power generation benefit) of the existing inversion system in water spraying for the photovoltaic module in weathers with high temperature and insufficient illumination intensity can be avoided; and besides, the scheme adopts a module detection apparatus of the inversion system instead of a temperature sensor, so that the cost of the inversion system is greatly lowered.

Description

technical field [0001] The invention relates to the photovoltaic field, and more specifically, to a photovoltaic module water spray control system and method. Background technique [0002] With the rapid development of society, energy is gradually reduced, and the field of new energy has developed rapidly. Among them, the photovoltaic power generation system has also been rapidly developed as a carrier of electric energy. According to the electrical characteristics of the photovoltaic module, when the photovoltaic module works at the maximum power point, the module power is positively correlated with the light intensity, but the module temperature is negatively correlated with the module power. Therefore, in order to increase the output power of the inverter system, it is necessary to spray water on the photovoltaic modules to cool down when the temperature reaches a certain value. [0003] At present, the inverter system usually sets a temperature sensor on each photovolt...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02S40/42H02S50/00
CPCH02S40/42H02S50/00Y02E10/50
Inventor 周辉李元
Owner HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD