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Analysis of RF Inductive Couplers for Power Line Communication
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 Title & Authors
Analysis of RF Inductive Couplers for Power Line Communication
Noh, Young Seok; Lee, Gunbok; Park, Wee Sang;
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We investigated the structure of inductive coupler and its magnetic coupling to increase the transmission coefficient for power line communication. A Rogowski coil, which is an air-cored inductive coupler, and a magnetic cored coupler were fabricated to analyze the transmission coefficient for different coupler parameters. This paper proposes the impedance matching method using lumped elements and an impedance transformer to increase the transmission coefficient. In the experiment, the transmission coefficient of the proposed system was increased in both narrowband and broadband cases, and a trade-off between the transmission coefficient and the bandwidth was shown. This method will be useful for the further study of impedance matching with the load variation.
Power Line Communication;Inductive Coupler;Rogowski Coil;Magnetic core;Impedance Matching;
 Cited by
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