Carrier Communication over Power Lines

Paperback (Softcover reprint of the original 2nd ed. 1972)
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Product Details

  • ISBN-13: 9783642462887
  • Publisher: Springer Berlin Heidelberg
  • Publication date: 7/31/2012
  • Edition description: Softcover reprint of the original 2nd ed. 1972
  • Edition number: 2
  • Pages: 183
  • Product dimensions: 6.14 (w) x 9.21 (h) x 0.42 (d)

Table of Contents

1. Private Communication Networks for Electric System Operation.- 2. Communication Problems in Electric System Operation.- 3. Communication Circuits in the Power Network.- 3.1 Coupling Circuits.- 3.2 Wave Traps.- 3.3 By-Pass-Circuits.- 3 4 Line Coupling in the Light of New Developments.- 4. Properties of Power Lines in the Carrier Frequency Range.- 4.1 Characteristic Impedance of Overhead Power Lines.- 4.2 Attenuation of Overhead Power Lines.- 4.3 Coupling Loss.- 4.4 Impedance Presented by a Power Network Station.- 4.5 Shunting Loss of a Power Network Station.- 4.6 Transit Loss of a Power Network Station.- 4.7 Characteristic Impedance and Attenuation of Power Cables.- 4.8 Attenuation of a Complete Transmission Section.- 4.9 Noise Level.- 5. Characteristics of Power Line Carrier Channels.- 5.1 Transmission Systems.- 5.2 Bandwidth and Frequency Assignment.- 5.3 Transmitter Power and Range.- 5.4 Radiation.- 6. Carrier Communication Networks.- 6.1 Frequency Allocation Scheme.- 6.2 Telephone Networks.- 6.3 Telemetering and Remote Control Networks.- 6.4 Transition to Communication Feeder Lines.- 6.5 Carrier Current Relaying for Network Protection.- 6.6 Portable Carrier Telephone Terminals for Line Crews.- 7. Carrier Communication Terminals.- 7.1 Single-Purpose Equipment.- a) Telephone Terminals.- b) Carrier Terminals for Telemetering and Remote Control.- c) Carrier Terminals for Network Protection and Direct Breaker Tripping.- 7.2 Multi-Purpose Carrier Terminals for Simultaneous Transmission.- 7.3 Multi-Purpose Carrier Terminals for Alternate Transmission.- 7.4 Multi-Channel Carrier Terminals.- 7.5 Survey of Equipment Models.- 7.6 Power Supply.- 8. Measuring Methods and Measuring Equipment.- 8.1 Measuring Methods.- a) Magnitude of Impedance.- b) Real and Imaginary Components.- 8.2 Measurements on a De-Energized Power Line without Line Equipment.- a) Characteristic Impedance.- b) Attenuation.- 8.3 Measurements on an Energized Line.- a) Impedance and Attenuation.- b) Noise Level.- 9. Appendix.- 9.1 Effect of Spur Lines on Carrier Communication Circuits.- 9.2 Effect of Wave Traps.- 9.3 Iron-Coated Power Conductors for Network Decoupling.- 9.4 Network Decoupling by Four-Pole Circuits.- 9.5 Attenuation and Level.- 9.6 Amplitude Modulation in Connection with Double-Sideband and SingleSideband Transmission, Frequency Modulation.- 9.7 Send Power and Transmission Range of Carrier Terminals with the Different Transmission Methods.- a) Transmitter Power.- b) Noise Level and Signal-to-Noise Ratio.- c) Gain Factor of Transmission Method.- d) Practical Application.- 9.8 Table of the 4-Digit Mantissae of Briggs’ Logarithms 100–999.- Bilbliography.

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