Solar Radiation Calculation Using Fixed Slope Angles
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Solution Overview
Problem
Existing methods face challenges in accurately calculating solar radiation data for unobserved points and varying slope angles, particularly in complex terrains like Korea, where seasonal and daily changes impact solar altitude, affecting photovoltaic module efficiency.
Innovation Solution
A method and device that apply a fixed slope angle to high-resolution solar radiation data, removing existing terrain effects and incorporating detailed 100 m resolution terrain information to calculate global radiation, divided by grid, season, month, and time of day, to generate accurate average data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If observation equipment is used to measure solar radiation data, then measurement precision is improved for observed points, but the ability to provide data for unobserved points deteriorates
Solution Approach 1:
The patent uses numerical modeling to create virtual copies of solar radiation data across the entire study area, including unobserved points. The model replicates the physical processes of solar radiation interaction with terrain, atmosphere, and surfaces, generating synthetic data that mirrors what would be measured by observation equipment but extends to all locations.
Solution Approach 2:
The patent transforms solar radiation data by applying multiple parameter transformations including slope angle variations (0°, 30°, 60°, 90°), azimuth angle adjustments, and temporal parameters (hourly, daily, seasonal). This allows the same base measurement data to be adapted into multiple derived datasets representing different viewing and temporal conditions.
2Adaptability or versatility
If high-resolution numerical models are used to calculate solar radiation data, then adaptability to unobserved points is improved, but device complexity increases
Solution Approach 1:
The patent segments the solar radiation calculation process into distinct computational modules: terrain effect removal, fixed slope angle application, detailed terrain information integration, and temporal aggregation. Each module handles a specific aspect of the calculation, making the overall complex model more manageable and computationally efficient.
Solution Approach 2:
The patent performs preliminary processing of solar radiation data by removing existing terrain effects before applying fixed slope angles. This preliminary action simplifies subsequent calculations by establishing a standardized baseline dataset that already has terrain effects removed, reducing the computational burden of later processing steps.
3Manufacturing precision
If detailed terrain information with 100 m resolution is applied, then manufacturing precision of solar radiation data is improved, but loss of time increases due to processing complexity
Solution Approach 1:
The patent applies fixed slope angle parameters (0°, 30°, 60°, 90°) to the detailed terrain information, transforming the high-resolution data into standardized datasets that can be processed more efficiently. This parameter standardization maintains precision while reducing the computational complexity of handling arbitrary slope variations.
Solution Approach 2:
The patent performs preliminary removal of existing terrain effects from solar radiation data before applying detailed 100 m resolution terrain information. This preliminary action prevents redundant calculations and allows the detailed terrain data to be applied to already-processed baseline data, reducing overall processing time.
4Adaptability or versatility
If solar radiation data is divided by grid, season, month, and time of day, then adaptability to different conditions is improved, but device complexity increases
Solution Approach 1:
The patent segments solar radiation data along multiple independent dimensions: spatial (grid), temporal (hourly, daily, monthly, seasonal), and angular (slope angle, azimuth). This multi-dimensional segmentation allows flexible querying and analysis of specific conditions without requiring a monolithic complex processing system.
Solution Approach 2:
The patent creates a universal data structure that can serve multiple functions simultaneously. The same processed dataset can be used for grid-based analysis, temporal trend analysis, slope angle optimization, and seasonal pattern recognition, reducing the need for separate specialized processing systems for each analysis type.
Data Source
AI summary
The present disclosure relates to a method and device for calculating solar radiation numerical data based on a fixed slope angle. A method of calculating solar radiation numerical data based on a fixed slope angle according to an embodiment of the present disclosure includes receiving solar radiation numerical data, removing an existing terrain effect from the solar radiation numerical data and applying detailed terrain information with a 100 m resolution to the solar radiation numerical data, applying a fixed slope angle to the detailed terrain information to calculate a global radiation, and dividing the global radiation on the basis of at least one of a grid, a season, a month, a time of day, and a fixed slope angle to generate average data.