Filtering Power Transmission Lines Using Defected Conductor Layer With Surface-Mounted Capacitors

Han, Yunan; Zhou, Bo; Xiong, Shuangqing; Zhu, Tianyi

doi:10.1109/tpwrd.2024.3362516

Cited by 2 publications

(1 citation statement)

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“…It is an efficient and complex electromagnetic environment solution that integrates filtering, shielding, and grounding. The most important feature is the distributed filtering function along the length of the cable 14 Shielding cable Cables with a shielding layer can achieve electromagnetic shielding performance, but they do not have a filtering function 15 Coaxial cable Invented by Oliver Heaviside, coaxial cables provide stable impedance and phase in a broad frequency band and have good signal integrity, but they do not have a filtering function 16 Twisted-wire pair A pair of mutually insulated wires is twisted together to transfer differential mode signals and eliminate common mode interference 17 Flexible microstrip-filtered transmission line The flexible microstrip-filtered transmission line is made of FPCB, which is very thin and light, and has filtering capabilities. It can replace traditional coaxial lines and be conveniently used for mobile or flexible communication terminals 18 Suspension filter circuit The filtering function is achieved by adding capacitors and wires to the silicon rubber pad, which can be installed in the connectors.…”

Section: Resultsmentioning

confidence: 99%

Design of filtering cable with defected conductor layer

Han,

Xiong,

Cheng

et al. 2024

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Electrical cables, often referred to as ‘blood vessels’ and ‘nerves’ of the industry, play a vital role in the connection of electrical devices. However, traditional cables that lack distributed filtering functions are usually the primary coupling path for electromagnetic compatibility (EMC) problems. An innovative design for a filtering cable, which incorporates insulated electrical wires coated with a specific defected conductor layer (DCL), enables it to achieve distributed filtering advantages along its axis. Microwave network analysis is employed to build the two-port network model of filtering cable, which efficiently analyzes the cascading characteristics of periodic or aperiodic filtering cables. To validate, the flexible printed circuit board (FPCB) with sawtooth dumbbell-shaped DCL and mounted by capacitors is wrapped around the stripped section of the coaxial cable to manufacture a multi-stopband filtering cable. Simulated and measured results demonstrate that the proposed filtering cable can be effectively suppressed in the stopband, which can be adjusted by changing the values of capacitors.

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