ABSTRACT Structural Performance Evaluation of Solar Photovoltaic Installation Structure Han, Chol Hee Department of Architectural Engineering Graduate School, Cheongju University Directed by Professor Kim, Ho Soo Today, it is expected that photovoltaic power generation system market will be extended...
ABSTRACT Structural Performance Evaluation of Solar Photovoltaic Installation Structure Han, Chol Hee Department of Architectural Engineering Graduate School, Cheongju University Directed by Professor Kim, Ho Soo Today, it is expected that photovoltaic power generation system market will be extended because of the renewable portfolio standard, the control of greenhouse gases and the alternative energy development. So, there has been a vibrant research on photovoltaic module and invertor in the field of electricity and electronics. But, the research on the structural performance evaluation for the installation structure is not sufficient. Also, existing installation structures have many problems in the structural safety, constructability, economic feasibility. So, it is urgent that the efficient alternatives should be suggested. For this reason, this study develops components and types of installation structure. Also, this study evaluates the safety performance for the various types of installation structure. Through the analysis results, the conclusions are as follows. 1) Shear strengths for joints with profiles and clips are improved when they are connected in the middle rather than in the end. In the case of shear load bearing capacity, it is improved when they are connected in the middle and are loaded on both sides of components. 2) In the case of profiles, clamps and shear load bearing capacity of each connecting part, the way profile and clamp show the high shear strength, And, structural strength of profile has an advantage in not having connection. And, when they have the connections at the point of 1/4, the structural safety has been secured than in the middle of component. 3) Shear load bearing capacity of upper post joint is the strongest when each pipe thickness is 3.2t. By examining bearing capacity of anchor volt, when M20 is used than M16, bond performance is improved. And, bearing capacity is improved as the anchor length is longer. 4) Through the structural analysis, it is found that stress ratios and displacements are reduced as the number of post increases in the same capacities. Also, more secure structural system can be obtained by the way that each upper post thickness increases where the posts are set up in the middle. 5) Therefore, the structural performance capacity of each connecting part and structural element is obviously observed by experiment on structural capacity and structural analysis of solar photovoltaic installation structure.
ABSTRACT Structural Performance Evaluation of Solar Photovoltaic Installation Structure Han, Chol Hee Department of Architectural Engineering Graduate School, Cheongju University Directed by Professor Kim, Ho Soo Today, it is expected that photovoltaic power generation system market will be extended because of the renewable portfolio standard, the control of greenhouse gases and the alternative energy development. So, there has been a vibrant research on photovoltaic module and invertor in the field of electricity and electronics. But, the research on the structural performance evaluation for the installation structure is not sufficient. Also, existing installation structures have many problems in the structural safety, constructability, economic feasibility. So, it is urgent that the efficient alternatives should be suggested. For this reason, this study develops components and types of installation structure. Also, this study evaluates the safety performance for the various types of installation structure. Through the analysis results, the conclusions are as follows. 1) Shear strengths for joints with profiles and clips are improved when they are connected in the middle rather than in the end. In the case of shear load bearing capacity, it is improved when they are connected in the middle and are loaded on both sides of components. 2) In the case of profiles, clamps and shear load bearing capacity of each connecting part, the way profile and clamp show the high shear strength, And, structural strength of profile has an advantage in not having connection. And, when they have the connections at the point of 1/4, the structural safety has been secured than in the middle of component. 3) Shear load bearing capacity of upper post joint is the strongest when each pipe thickness is 3.2t. By examining bearing capacity of anchor volt, when M20 is used than M16, bond performance is improved. And, bearing capacity is improved as the anchor length is longer. 4) Through the structural analysis, it is found that stress ratios and displacements are reduced as the number of post increases in the same capacities. Also, more secure structural system can be obtained by the way that each upper post thickness increases where the posts are set up in the middle. 5) Therefore, the structural performance capacity of each connecting part and structural element is obviously observed by experiment on structural capacity and structural analysis of solar photovoltaic installation structure.
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