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Solar photovoltaic cell power generating capacity prediction system and method

A technology of photovoltaic cells and power generation capacity, which is applied in the field of solar power generation systems, and can solve problems such as reasonable arrangement of the use time of electrical appliances, inability to guide users, and no such prediction system and method

Active Publication Date: 2012-12-26
ZHUHAI INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing industry research, the focus is on the voltage-current curve, power-voltage curve, etc. of photovoltaic cells. These curves are often obtained through simulation. These curves cannot reflect the power generation ability of solar photovoltaic cells in real time, and cannot Instruct users to reasonably arrange the use time of electrical appliances and maximize the use of solar energy
[0004] Solar photovoltaic power generation capacity is restricted by temperature and light intensity. If the power generation curve (P-t curve) and cumulative power generation (electric energy generated by photovoltaic cells) of solar photovoltaic cells can be predicted in a day, then users can According to the P-t curve and power generation, the use time of electrical appliances is reasonably arranged to maximize the use of solar power and reduce the cost of electricity. At present, there is no such prediction system and method

Method used

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  • Solar photovoltaic cell power generating capacity prediction system and method
  • Solar photovoltaic cell power generating capacity prediction system and method
  • Solar photovoltaic cell power generating capacity prediction system and method

Examples

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Embodiment 1

[0043] Example 1: Solar Photovoltaic Cell Power Generation Capability Prediction System

[0044] figure 1 It is a structural schematic diagram of a system for predicting the power generation capacity of solar photovoltaic cells according to an embodiment.

[0045] A system for predicting power generation capacity of solar photovoltaic cells includes a temperature and light intensity collection and processing module, a prediction processing module and an output module.

[0046] The temperature and light intensity acquisition and processing module includes a temperature sensor module, a light intensity sensor module, an analog / digital conversion module and a register module. The temperature sensor module is used to collect the temperature data of many days and multiple moments before the day to be measured; the light intensity sensor module is used to collect the light intensity data of many days and multiple moments before the day to be measured; the analog / digital conversion mo...

Embodiment 2

[0096] Example 2: Method for Predicting Power Generation Capability of Solar Photovoltaic Cells

[0097] see figure 2 , the solar photovoltaic cell generating capacity prediction method of the present invention, comprises the steps:

[0098] The collecting step is to collect the temperature and light intensity data of multiple days and multiple moments before the day to be measured and record them as historical data.

[0099] The temperature sensor is used to collect the temperature of multiple days and multiple moments before the day to be measured, and the light intensity sensor is used to collect the light intensity of multiple days and multiple moments before the date to be measured, and the collected temperature and light intensity are recorded as historical data.

[0100] Because under the same weather condition, the change of temperature and light intensity has great regularity, so the temperature and light intensity at multiple times of the day to be measured can be ...

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Abstract

The present invention relates to a solar photovoltaic cell power generating capacity prediction system and a method, wherein the method comprises the steps of: collecting temperature and light intensity data at a plurality of moments of a plurality of days before a day to be predicted, recording the data as a history data, calculating temperatures and light intensities at a plurality of moments of the day to be predicted according to the history data, calculating powers at a plurality of moments of the day to be predicted, and calculating a total generating capacity of the day to be predicted. The system and the method realize the prediction of the power and the total generating capacity at a plurality of moments of the day to be predicted, and enable users to schedule the working time of electric appliances reasonably, thereby realizing maximum utilization of the solar energy and decrease of the electricity cost.

Description

【Technical field】 [0001] The invention relates to a solar power generation system and method, in particular to a system and method for predicting the power generation capacity of a solar photovoltaic cell. 【Background technique】 [0002] In recent years, solar energy has become the focus of attention with its unique advantages. Abundant solar radiation energy is an inexhaustible, pollution-free and cheap energy source. Solar power generation is divided into direct solar power generation and indirect solar power generation. Solar direct photovoltaic power generation is mainly solar photovoltaic power generation, and solar indirect photovoltaic power generation is mainly solar thermal power generation. Due to the huge advantages of electric energy, solar photovoltaic power generation has become a major way to utilize solar energy. Photovoltaic power generation technology, which converts light energy into electricity, is a very important technology. [0003] The ability of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R21/00
Inventor 杨朋李磊徐国卿
Owner ZHUHAI INST OF ADVANCED TECH
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