In the last several years, utilities have been deploying and testing high-speed data communications systems using distribution circuits as the communications medium. Known as broadband over power lines, or BPL, this technology is a unique enabler providing high-speed data communications to devices on the distribution network, such as remote-controlled switches, real-time sensors, cameras and electric meter data collection devices. BPL offers a unique solution for controlling and manag-ing distribution network infrastructure, but it also poses some unique deployment challenges.
BPL is a digital communication technology installed on medi-um- or low-voltage circuits, consisting of communication devices, software, and management services, which provide the user with communications means over existing power lines. BPL technologies typically operate in the 2 to 30 Mhz frequency range (where short wave and other radio communications take place). The present technology can achieve actual data rates of up to 80 Mbps along an MV circuit.
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