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The evolution of remote line powering safety standards for facilitating the transmission of elevated dc voltages over twisted pair

机译：远程线路供电安全标准的发展，以促进在双绞线上传输升高的直流电压

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This paper discusses the common Line Powering standards for safety with their advantages and their drawbacks. It also discusses the effects of electrical shock and risk of ventricular fibrillation on humans and the two types of faults that can occur with RFT-V line powering. Based on the standards for the effects of current on human beings and livestock, two flowcharts are developed to help unify a method to gauge the safety of RFT-V line powering products. An Excel tool is introduced to assist in the calculating and plotting of the test results from the flowchart. Example waveforms are given from a typical RFT-V product that illustrates the relative risk of ventricular fibrillation. It is concluded that based on the information provided in this paper that RFT-V power topologies will have a low risk of electrocution caused by ventricular fibrillation. Future work discusses how the future safety standards may evolve.
机译：本文讨论了通用的电源安全标准及其优点和缺点。它还讨论了电击和心室颤动风险对人的影响以及RFT-V线路供电可能发生的两种类型的故障。基于电流对人类和牲畜影响的标准，制定了两个流程图，以帮助统一一种评估RFT-V线路供电产品安全性的方法。引入了一个Excel工具来帮助计算和绘制流程图中的测试结果。从典型的RFT-V产品中给出了示例波形，该波形说明了心室纤颤的相对风险。结论是，根据本文提供的信息，RFT-V电源拓扑将降低由心室纤颤引起的电击危险。未来的工作讨论了未来的安全标准可能如何发展。

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