power line identification

The first power line communications device 101 communicates with the second power line communications device 105 over the power line communication network 104 by transmitting particular information-carrying signals, which are received or otherwise detected by the second power line communications device 105 or by another system. As such, a power line signature is created at each location. While FIGS. Power line information is determined by receiving a signal from a first device, determining a power line transfer function based on the received signal, and determining power line information based on the determined power line transfer function. In Germany, Switzerland, Austria, Norway, Sweden and the east coast of the United States, electric trains uses single-phase alternating current with a frequency other than those on the public power grid. endstream endobj 613 0 obj [/Separation/PANTONE#20172#20CVU/DeviceCMYK<>] endobj 614 0 obj <>stream To increase the likelihood that each location may be identified, in some implementations, the location identification may then be accomplished for a power line by inserting a complex impedance, such as (by way of example) a capacitor in series with an inductor and/or resistor across the power line at the location of the device to be identified, and setting the values of the complex impedance to be specific for each location. 0000002773 00000 n your username. We introduced our original SpanGuard spherical power line markers in 1960, and many of them remain in service to this day, warning pilots of wires in their flight path.
Below the static line are three power lines called transmission lines. • Multiple gameplay hacks fixed Special thanks to Gui, Joshua and HIT

Create an Account », 1900 SW 4th Avenue inserting a second complex impedance across the electrical power line at the location of a second device communicating with the first device over the electrical power line, the second complex impedance being different from the first complex impedance.
0000044718 00000 n identifying a location of the second device on the electrical power line based on the identified second complex impedance. Power transmission towers or poles may have numbers/names on it. If this value is not-known, choose “20 kV” or “15 kV”. Lines with DC and three-phase AC are extremely rare. Three cables or conductors correspond one circuit (except traction power lines, high voltage direct current/HVDC, single wire earth return, and double or single wire branches of three-wire systems, usually for serving small customers). Phase and cable identification is a challenging issue. The computer CPU 301 is one of a number of high-performance computer processors, including an INTEL® or AMD® processor, a POWERPC® processor, a MIPS® reduced instruction set computer (“RISC”) processor, a SPARC® processor, an ACORN® RISC Machine (“ARM®”) architecture processor, a HP ALPHASERVER® processor or a proprietary computer processor for a mainframe. Typically transformers prevent propagating the higher frequency carrier signal. DC would be 0 Hertz. startxref Also shown in FIG. .c�=����{�B�tm��6�ũ-��AP��8��|ͨcHY�O ^W�����ވm5C^���B��m�Si��AC�q�=~Ȩo��ua���@N{�6!E�N�idftA�;� 0000001708 00000 n 0 Sc�DQ�E�Z�BC�$�Lj�?`8�3�_�j@� Nw��� �Y�H7��Z�¡~*�!�Qtɂ�+�v�����o��4N������=``ءp���E��>��M�M̂��f����#�Y�࢓x��b The second complex impedance across the electrical power line is identified and used to identify a location of the second device on the electrical power line. Other aspects can be implemented in systems and computers and will be apparent from the description and drawings, and from the claims. Portland, OR 97201. Identification of power line locations by power line signatures Download PDF Info Publication number US8198998B1. DC lines usually have 2 conductors, however schemes with 1 or 3 conductors also exist. FISH & RICHARDSON P.C., MINNESOTA, Free format text: Expand your Ethernet connectivity with the latest Powerline networking devices from BestBuy.com. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PROPP, MICHAEL B.;PROPP, DAVID L.;SAAB, KHALED;AND OTHERS;REEL/FRAME:022150/0247, Free format text: 50 Hertz is the European standard. Example wireless connectors include, for example, an INFRARED DATA ASSOCIATION® (IrDA®) wireless connector, an optical wireless connector, an INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS® (“IEEE®”) Standard 802.11 wireless connector, a BLUETOOTH® wireless connector, a near field communications (“NFC”) connector, an orthogonal frequency division multiplexing (“OFDM”) ultra wide band (“UWB”) wireless connector, a time-modulated ultra wide band (“TM-UWB”) wireless connector, or other wireless connector. In some cases line towers carry power lines for different types of current.

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