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Ultra Low Frequency Power-Line Communications Using a Resonator Circuit

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2 Author(s)
Rieken, D.W. ; Adv. Syst. R&D Group, Aclara Power-Line Syst. Inc., Hazelwood, MO, USA ; Walker, M.R.

A novel device for the transmission of digital information over power lines is introduced. The transmission circuit is passive, using a resonator circuit to create a narrowband disturbance in the system. This disturbance can be detected over great distances and, in many cases, through distribution transformers. This makes it a promising solution to power-line communication problems in distribution systems that are sparsely populated over large geographical expanses. Modulation algorithms are introduced. We discuss results obtained using a prototype to transmit signals on a real distribution system.

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Smart Grid, IEEE Transactions on  (Volume:2 ,  Issue: 1 )