Study on the Gas-Insulated Line Equivalent Model and Simplified Model
AbstractThe gas-insulated line (GIL) is one technical solution to allow the transmission of electricity underground at a high voltage level, yet its equivalent model is quite complicated. Based on an examination of the geometrical structure of the GIL and the way the metallic enclosure is grounded, this paper analyzed the electromagnetic and electrostatic coupling among the inner conductors and the metallic enclosures of the three phases. Then, the paper proposes a modeling method for the widely-used short-distance GIL based on the PI-model (the model consisting of two lumped admittance at each terminal and a lumped impedance in between). The GIL parameters were later simplified with the coupling effect of the metallic enclosure considered, and a simplified PI-model was produced. Finally, the proposed PI-model and its simplified version were built on the Power Systems Computer Aided Design (PSCAD) platform, and their effectiveness verified by simulation results. View Full-Text
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Li, B.; Gu, T.; Li, B.; Zhang, Y. Study on the Gas-Insulated Line Equivalent Model and Simplified Model. Energies 2017, 10, 901.
Li B, Gu T, Li B, Zhang Y. Study on the Gas-Insulated Line Equivalent Model and Simplified Model. Energies. 2017; 10(7):901.Chicago/Turabian Style
Li, Botong; Gu, Tianfeng; Li, Bin; Zhang, Yunke. 2017. "Study on the Gas-Insulated Line Equivalent Model and Simplified Model." Energies 10, no. 7: 901.
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