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Rus transmission line design manual4/4/2024 ![]() Therefore, design engineers are interested in assessing the actual stress levels in transmission line towers. Due to the assumptions used in the analysis, there are discrepancies between the actual results obtained from full scale prototype testing and the analytical results. Sensor Placement For Structural Monitoring of Transmission Line Towersįull Text Available Transmission line towers are usually analyzed using linear elastic idealized truss models. Hence, reasonable selection of the tower model in the calculation of back- strike intruding wave is very important. The results show that different tower models can result in great differences to the calculation results. The effect of tower model on intruding overvoltage has been studied. Aiming at one line to one transformer operating mode of 500kV substation, the intruding wave overvoltage under different tower models is calculated. With the help of Electromagnetic Transient Program (EMTP, six 500kV tower models are built. So it is very important to establish reasonable transmission tower model and evaluate the impulse response characteristic of lightning wave traveling on the transmission tower properly for determining reliable lightning protection performance. Study on Tower Models for EHV Transmission Lineĭirectory of Open Access Journals (Sweden)įull Text Available Lightning outage accident is one of the main factors that threat seriously the safe and reliable operation of power system. ![]()
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