{"id":76791,"date":"2020-04-04T19:42:31","date_gmt":"2020-04-04T17:42:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki"},"modified":"2020-04-04T19:42:31","modified_gmt":"2020-04-04T17:42:31","slug":"amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/amerikanczy-predlozhili-sobirat-energiyu-dlya-interneta-veshhej-iz-magnitnyh-polej-blizhajshej-elektroprovodki","title":{"rendered":"Amerikanen hebben voorgesteld om energie voor het Internet der Dingen uit de magnetische velden van de dichtstbijzijnde geleiding te verzamelen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Het thema van elektriciteitsopwekking uit \"lucht\" - uit elektromagnetisch lawaai, trillingen, licht, vochtigheid en nog veel meer - boeit zowel civiele onderzoekers als hun collega's met een uniform. Hun bijdrage aan dit onderwerp <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/www.electronicsweekly.com\/news\/research-news\/milliwats-electricity-mains-magnetic-field-2020-04\/\" target=\"_blank\">is geleverd door wetenschappers<\/a><\/noindex> van de Pennsylvania State University. Ze slaagden erin elektriciteit te winnen met een vermogen van enkele milliwatt uit de magnetische velden van nabijgelegen elektriciteitsleidingen, genoeg om bijvoorbeeld een digitale wekker direct van stroom te voorzien.<\/p>\n<p><img decoding=\"async\" alt=\"Amerikanen hebben voorgesteld om energie voor het Internet der Dingen uit de magnetische velden van de dichtstbijzijnde geleiding te verzamelen\" src=\"\/wp-content\/uploads\/2020\/04\/8aa876b77fc855c0b316baf4c26582b6.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>In een artikel gepubliceerd in de <noindex><a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/www.rsc.org\/suppdata\/c9\/ee\/c9ee03902c\/c9ee03902c1.pdf\" target=\"_blank\">Energy &amp; Environmental Science<\/a><\/noindex> vertellen de wetenschappers over de berekeningen en de vervaardiging van speciale omvormers van elektromagnetische velden naar elektrische stroom. Het onderdeel dat elektriciteit opwekt is vervaardigd als een meerlaagse dunne plaat met een permanente magneet aan het vrije uiteinde (het andere uiteinde van de plaat is stevig vastgezet). De plaat zelf bestaat uit een laag piezo-elektrisch materiaal en een laag van <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9C%D0%B0%D0%B3%D0%BD%D0%B8%D1%82%D0%BE%D1%81%D1%82%D1%80%D0%B8%D0%BA%D1%86%D0%B8%D1%8F\" target=\"_blank\">magnetostrictief<\/a><\/noindex> materiaal (Fe85B5Si10 Metglas).<\/p>\n<p>Het magnetostrictieve materiaal is interessant omdat de volumeveranderingen en de lineaire afmetingen veranderen met de wijziging van de magnetisatie-status. Het irritante zoemen van spoelen in videokaarten is doorgaans te wijten aan magnetostrictieve veranderingen in de kernen. In een wisselend magnetisch veld van standaard elektriciteitsleidingen met een frequentie van 50 of 60 Hz begint de Metglas-plaat te trillen en de aan de plaat bevestigde piezo-elektrische plaat te vervormen. Er begint stroom te vloeien in het netwerk dat op de platen is aangesloten.<\/p>\n<p><img decoding=\"async\" alt=\"Amerikanen hebben voorgesteld om energie voor het Internet der Dingen uit de magnetische velden van de dichtstbijzijnde geleiding te verzamelen\" src=\"\/wp-content\/uploads\/2020\/04\/316b5a1a89ccd39c88306a797edc96d6.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Echter, magnetostrictief materiaal in combinatie met piezo-elektrica genereert slechts tot 16 % van de elektriciteit die door het element wordt geproduceerd. De belangrijkste productie komt van de oscillatie van een permanente magneet in een elektromagnetisch veld. Er wordt beweerd dat de piekspanning op het element 80 V bereikt in een veld van 300 \u00b5T. Maar het meest waardevolle is dat het ontwikkelde element voldoende energie kon opwekken om digitale klokken rechtstreeks van stroom te voorzien in een veld van minder dan 50 \u00b5T op een afstand van 20 cm van de elektrische bedrading.<\/p>\n<p><center><\/center><\/p>\n<p>De onderzoekers van de Pennsylvania State University werkten samen met onderzoekers van Virginia Tech en de groep van het Army Combat Capabilities Development Command.<\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/1007382\">3dnews.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0422\u0435\u043c\u0430 \u0434\u043e\u0431\u044b\u0447\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0438\u0437 &laquo;\u0432\u043e\u0437\u0434\u0443\u0445\u0430&raquo; \u2015 \u0438\u0437 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":76792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-76791","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0422\u0435\u043c\u0430 \u0434\u043e\u0431\u044b\u0447\u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0438\u0437 \u00ab\u0432\u043e\u0437\u0434\u0443\u0445\u0430\u00bb \u2015 \u0438\u0437 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0433\u043e \u0448\u0443\u043c\u0430, \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0439, \u0441\u0432\u0435\u0442\u0430, 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