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Guzmán, A., Mooney, J., Benmouyal, G., Fischer, N. and Kasztenny, B. (2010) Transmission Line Protection System for Increasing Power System Requirements. 2010 Proceedings of the International Symposium Modern Electric Power Systems (MEPS), Wroclaw, 20-22 September 2010, 1-11.

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• TITLE: An Approach towards Pulse Data Transmission Using Modified Negative Luo Converter (MNLC) for Telecoms

  AUTHORS: V. Chamundeeswari, Dr. R. Seyezhai

  KEYWORDS: Pulse Data Transmission, MNLC, RLCG Line, Switching Frequency, High Gain Converter

  JOURNAL NAME: Circuits and Systems, Vol.7 No.9, July 29, 2016

  ABSTRACT: Telecom sectors generally operate at negative voltages to reduce the effect of corrosion caused in the metallic wire due to electrochemical reaction while communicating signals. To feed those lines and to have an effective digital data transmission, a power electronic converter referred as Modified Negative Luo Converter (MNLC) is proposed in this paper. MNLC is a high gain converter in which the output voltage increases in geometric progression. This paper portrays a novel concept of a 50 Hz pulse data transmission throughRLCG (Resistance-inductance-capacitance with a shunt conductance) transmission line using MNLC. Signal frequency of 50 Hz to be transmitted is anded with a high frequency pulse that charges and discharges MNLC and produces the boosted negative output voltage. The boosted output is again transmitted through the RLCG transmission line from which 50 Hz data pulse is retrieved at the output of the transmission line by comparing with a comparator signal. This sort of MNLC aided data transmission not only introduces less loss in its transmitted data but also overcomes various health hazards of conventional radio frequency (RF) communication. This technique also proves that any data bit stream can be transmitted and retrieved using the proposed high gain DC-DC converter. The simulation model of the proposed system is implemented in MATLAB for various switching frequencies with its prototype of the converter developed and the results are verified.