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- W2351545793 abstract "EHV transmission system consisting of long span transmission lines and towers is an integrity as a structure,in the process of design,the strength calculation of the conductor and the tower is independent,it is difficult to compute the longitudinal unbalanced tension of the tower.However,the unbalanced tension is one of the important factors impacting the safe running of transmission line,so it has important meaning to accurately compute the longitudinal unbalanced tension caused by span,height difference and uneven load of the transmission line.In this paper,the beam element is used to simulate the transmission tower,and the cable element is used to simulate the transmission line.In this way,the spatial finite element model of the system is established,which is used for structure analyses of the iced transmission system,and the unbalanced tension of the towers is calculated,the maximum compressive stress of the towers are analyzed along with the ice thickness.It is pointed out that great differences of span and angle of height are the main factors which cause unbalanced tension and make tower falling down,however,the tower located at the transmission line with a well-proportioned span and small angle of height difference would still be upright and stable even though the ice load is greater than the design value.The computation results of 500 kV Fusha lineⅠ show the finite element method is very effective." @default.
- W2351545793 created "2016-06-24" @default.
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- W2351545793 date "2007-01-01" @default.
- W2351545793 modified "2023-09-23" @default.
- W2351545793 title "Finite Element Calculation of 500 kV Iced Power Transmission System" @default.
- W2351545793 hasPublicationYear "2007" @default.
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