Abstract
HVDC is well known for its high efficiency and controllability, which is the first choice when it comes to long-distance, colossal-power transmission. Currently, HVDC transmission is a worldwide concerned topic, especially for Australia, where the imbalance of electricity between populated areas and remote regions is a difficulty to be solved. For instance, Basslink, a brilliant HVDC transmission achievement gave a solution to this problem. At the same time, the magnetic and electrical field produced by HVDC is totally different from traditional AC transmission, which, is a special topic worth researching. This paper will investigate the HVDC transmission cable magnetic field’s characteristics and its interaction with the nearby cables. The scope of our topic are: the analysis of the magnetic field; how the magnetic field of one cable influences others; what are the advantages and disadvantages of the interactions; the comparison between HVDC transmission and common AC transmission with the grid; use ANSYS to simulate the possible situations of the magnetic field of HVDC Transmission Cable that would happen in the real world; the human exposure to magnetic field are investigated considering different laying configurations, conductor dispositions, and supply conditions.
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