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1. Main PLC technologies
1.1 History of PLCs
PLC technology is not new in principle. As early as 1838, in England, Edward Davy proposed a solution for remotely measuring battery levels at remote sites on the telegraph system between London and Liverpool. In 1897, he presented the first patent (British Patent No. 24833) for a technique to remotely measure electricity network meters communicating over power cables.
Known as Ripple Control, the first PLC systems were developed and deployed on medium- and low-voltage power grids in 1950. At the time, the carrier frequency was between 100 Hz and 1 kHz. The aim was to establish mono-directional communications via control signals for remote switching on and off of public lighting, or for tariff changes. Producers and distributors of electrical...
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Main PLC technologies
General principles of PLCs
Bibliography
Software tools
DEVOLO PLC configuration tools https://www.devolo.fr/devolo-cockpit
Standards and norms
- Groupement d'industriels du domaine de l'électronique dédiés sur les technologies CPL - HOMEPLUG -
- Groupe de travail développant le standard CPL IEEE 1901 harmonisant les différents standards actuels - Groupe IEEE 1901 -
Events International conferences on PLC technologies
ISPLC: International Symposium on PowerLine Communications, an international conference on the various technical and scientific aspects of PLC.
IEEE Globecom: The IEEE Globecom conference includes a sub-conference on PLC technologies.
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