Electromagnetic Environment Calculation and Design of ±1 100 kV DC Conductor in UHVDC Converter Station
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Abstract
±1 100 kV UHVDC transmission project is the first time to construct, especially for the ±1 100 kV DC yard design, there is no experience to learn. the calculation and design of ±1 100 kV DC switchyard conductor are important parts of the converter station design, which is benifical to the safe, reliable and economical operation of the project. In this paper, the mathematica model of DC conductor is proposed considering the corona and total electric field strength, which is simulated by the matlab. The maximum surface electric field at the conductor and original corona are calculated. Also the electric field strength in different space is calculated, and then we can get the electric field strength at the floor, while the conductors are installed at different height. Finally, suggestions of ±1 100 kV conductor design are presented, including both indoor and outdoor equipment layout.
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