Shielding Effectiveness of Braided-Wire Shields

Vance, E. F.

doi:10.1109/temc.1975.303389

Cited by 141 publications

(75 citation statements)

References 5 publications

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“…It is well known that two widely used theoretical models for calculating the transfer impedance of a braided cable at radio frequencies are proposed in [14] and [15], respectively. The Vance's model [14] mainly considers the diffusion of magnetic currents induced in the shield and the direct leakage of the magnetic field through holes in the braided part at low and high frequencies, respectively.…”

Section: Braided Cablementioning

confidence: 99%

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Transient Responses of Coaxial Cables in an Electrically Large Cabin With Slots and Windows Illuminated by an Electromagnetic Pulse

Wang¹,

Wang²,

Fang³

et al. 2010

PIER

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Abstract-An improved finite-difference time-domain (FDTD) method is proposed for predicting transient responses of coaxial cables which are placed in an electrically large metallic cabin with arbitrary slots and circular windows on its wall. By integrating nodal analysis, multi-conductor transmission line (MTL) equation and FDTD method, we are able to accurately capture electromagnetic interference (EMI) effects on the cables. Our developed algorithm is verified by calculating frequency-dependent transfer impedance of coaxial cables together with induced currents. Numerical calculations are further performed to show the near-end coupled current responses of braided and tubular cables, respectively, and the effects of incident directions and polarizations of the illuminated electromagnetic pulse are both taken into account.

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Section: Braided Cablementioning

confidence: 99%

“…The Vance's model [14] mainly considers the diffusion of magnetic currents induced in the shield and the direct leakage of the magnetic field through holes in the braided part at low and high frequencies, respectively. Therefore, its accuracy at lower frequencies is high.…”

Section: Braided Cablementioning

confidence: 99%

Transient Responses of Coaxial Cables in an Electrically Large Cabin With Slots and Windows Illuminated by an Electromagnetic Pulse

Wang¹,

Wang²,

Fang³

et al. 2010

PIER

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“…A surface transfer impedance relating the shield current to the per-unit-length voltage drop (electric field) on the interior and exterior shield surfaces was developed for solid shields. This work has been extended to braided-shield cables in [14][15][16][17][18][19]. However, these works concentrate on the vulnerability of braided-shield cables to external, incident fields as opposed to coupling from other adjacent wire circuits in cable bundles above a ground plane.…”

Section: Fi2 Emnto O Ri-hedcblsi Oncosmentioning

confidence: 99%

“…Thus, for the purposes of the low-frequency model it is irrelevant which term is used in (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16). We chose to use ZSH.…”

Section: Crmentioning

confidence: 99%

Applications of Multiconductor Transmission Line Theory to the Prediction of Cable Coupling. Volume 8. Prediction of Crosstalk Involving Braided-Shield Cables

Paul¹

1980

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“…Shielding effectiveness is a common quantity that represents the shielding performance, measured as the reduction of the electromagnetic field at a given point in space (e.g., at a point in the inner conductor in the case of a cable) caused by placing a shield between the source and that point. Early works on shielding effectiveness of cables can be found in [6][7][8]. It is generally thought that increasing the number of shields of a cable will improve the shielding performance [9,10].…”

Section: Introductionmentioning

confidence: 99%

Shielding Effectiveness of Multiple-Shield Cables With Arbitrary Terminations via Transmission Line Analysis

Campione¹,

Basilio²,

Warne³

et al. 2016

PIER C

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Abstract-In this paper we report on a transmission-line model for calculating the shielding effectiveness of multiple-shield cables with arbitrary terminations. Since the shields are not perfect conductors and apertures in the shields permit external magnetic and electric fields to penetrate into the interior regions of the cable, we use this model to estimate the effects of the outer shield current and voltage (associated with the external excitation and boundary conditions associated with the external conductor) on the inner conductor current and voltage. It is commonly believed that increasing the number of shields of a cable will improve the shielding performance. However, this is not always the case, and a cable with multiple shields may perform similar to or in some cases worse than a cable with a single shield. We want to shed more light on these situations, which represent the main focus of this paper.

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Shielding Effectiveness of Braided-Wire Shields

Cited by 141 publications

References 5 publications

Transient Responses of Coaxial Cables in an Electrically Large Cabin With Slots and Windows Illuminated by an Electromagnetic Pulse

Transient Responses of Coaxial Cables in an Electrically Large Cabin With Slots and Windows Illuminated by an Electromagnetic Pulse

Applications of Multiconductor Transmission Line Theory to the Prediction of Cable Coupling. Volume 8. Prediction of Crosstalk Involving Braided-Shield Cables

Shielding Effectiveness of Multiple-Shield Cables With Arbitrary Terminations via Transmission Line Analysis

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