| With the rapid development of China's economy, the increaseing demand for energy day by day, power transmission line and the underground pipeline expand rapidly. Because the consistent choice in energy public access between electric power industry and oil and gas industry, electromagnetic influence on the underground pipeline near the transmission line becomes prominent increasingly. In this paper, investigated the formula of Impedance parameters and Admittance parameters for the multi-conductor transmission line system of Single-phase short circuit, considering with the influence of the soil stratification, and applied the results to calculate the biggest interference voltage of the buried pipeline.Finally, according to the electromagnetic effects of transmission line of Single-phase short circuit, we were maked protective measures of the most common by the modeling, and the protective measures of pipeline interference voltage were analyzed and compared with the before and after, which has important guiding significance on the practical engineering. |
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