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Optimal Transmission of High-frequency Voltage Signals under Remote Control

Received: 25 March 2019 Accepted: 20 May 2019 The automatic transmission of high-frequency voltage signals under remote control is critical to the stable operation of the power system. To prevent corona discharge and partial discharge accidents, it is necessary to enhance the ability of the transmission lines to resist electromagnetic interference and line spectrum disturbance. Therefore, this paper proposes and improves an output channel model for the automatic transmission of high-frequency voltage signals under remote control. Drawing on adaptive spectrum feature extraction and equalization filtering, the proposed model combines non-stationary time series analysis, linear equalization and fractionally-spaced equalization to improve the balance of voltage signal transmission. The results of simulation experiment show that our method minimized the bit error rate (BER) of the communication system, achieved good channel equalization, ensured high fidelity of output symbols, and enhanced the resistance to multipath interference. The research findings shed new light on improving the quality of high-frequency voltage signals in transmission lines under remote control.