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Shielding Effectiveness and HPM Vulnerability of Energy-Saving Windows and Window Panes
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electrical Engineering, Mathematics and Science, Electronics. Department of Electromagnetic Engineering, KTH Royal Institute of Technology, Stockholm, Sweden.ORCID iD: 0000-0001-5562-3182
Department of Electromagnetic Engineering, KTH Royal Institute of Technology, Stockholm, Sweden.
Saab Aeronautics, Linköping, Sweden.
Saab Aeronautics, Linköping, Sweden.
2019 (English)In: IEEE transactions on electromagnetic compatibility (Print), ISSN 0018-9375, E-ISSN 1558-187X, Vol. 61, no 3, p. 870-877Article in journal (Refereed) Published
Abstract [en]

In this paper, we report results from shielding effectiveness measurements on energy-saving windows and individual, coated window panes of different generations, as well as results from high-power microwave irradiation on single panes. Shielding effectiveness was measured with two complementary methods: first, with near isotropic irradiation in nested reverberation chambers, and the other with irradiation at normal incidence in a semianechoic chamber. The measurements show that the construction of the energy conserving windows has a clear impact on how well they attenuate radio frequency signals. The more modern the window or pane, the higher is the shielding effectiveness. The high-power irradiation on coated panes showed that depending on the type of coating, hotspots can build up causing the coating to crack and, hence, deteriorate the shielding effectiveness. These results may serve as guidance when reviewing high-altitude electromagnetic pulse (EMP), high-power microwave, or intentional electromagnetic interference protection of critical infrastructures, and provide assistance in the work with reduction of compromising emanations.

Place, publisher, year, edition, pages
IEEE, 2019. Vol. 61, no 3, p. 870-877
Keywords [en]
Coated window panes; compromising emanations; energy-saving windows; high-power microwave (HPM); intentional electromagnetic interference (IEMI); shielding effectiveness (SE)
National Category
Energy Engineering Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-30558DOI: 10.1109/TEMC.2018.2833508ISI: 000471683500031Scopus ID: 2-s2.0-85047632585OAI: oai:DiVA.org:hig-30558DiVA, id: diva2:1345162
Funder
Swedish Civil Contingencies AgencyAvailable from: 2019-08-23 Created: 2019-08-23 Last updated: 2019-08-23Bibliographically approved

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Ängskog, Per

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