{"id":162,"date":"2019-05-25T22:43:16","date_gmt":"2019-05-25T20:43:16","guid":{"rendered":"http:\/\/kiube.se\/zon6\/?post_type=lesson&#038;p=162"},"modified":"2019-05-28T21:35:56","modified_gmt":"2019-05-28T19:35:56","slug":"elsakerhet","status":"publish","type":"lesson","link":"https:\/\/kiube.se\/zon6\/lektion\/elsakerhet\/","title":{"rendered":"Els\u00e4kerhet"},"content":{"rendered":"\n<p>S\u00e4kerhet, regelverk och risker med med olika typer av elektrisk str\u00f6m och lagring<\/p>\n\n\n\n<p>En elcykel anv\u00e4nder elektricitet som drivmedel, elektricitet ofta f\u00f6rkortat el. El finns av olika kvalitet och med olika egenskaper. Man brukar prata om v\u00e4xelstr\u00f6m, ben\u00e4mt&nbsp;<strong>AC&nbsp;<\/strong>och likstr\u00f6m ben\u00e4mt&nbsp;<strong>DC<\/strong>. En elcykel inneh\u00e5ller b\u00e5da dessa, t.ex skapar en cykelgenerator v\u00e4xelstr\u00f6m och drivmotorn anv\u00e4nder v\u00e4xelstr\u00f6m f\u00f6r att skapa en roterande r\u00f6relse och driva fordon fram\u00e5t med hj\u00e4lp av elektrisk energi.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img loading=\"lazy\" decoding=\"async\" width=\"389\" height=\"213\" src=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181638\/13-6_enfas_vaexelspaenning.png\" alt=\"\" class=\"wp-image-201\" srcset=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181638\/13-6_enfas_vaexelspaenning.png 389w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181638\/13-6_enfas_vaexelspaenning-300x164.png 300w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181638\/13-6_enfas_vaexelspaenning-100x55.png 100w\" sizes=\"auto, (max-width: 389px) 100vw, 389px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>V\u00e4xelstr\u00f6m AC<\/strong><\/p>\n\n\n\n<p>Sp\u00e4nningen v\u00e4xlar i polaritet runt en OV punkt. Frekvensen anges i Perioder per sekund och det svenska eln\u00e4tet har 50 sv\u00e4ngningar per second , dvs 50Hz<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"297\" src=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181637\/lik.png\" alt=\"\" class=\"wp-image-207\" srcset=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181637\/lik.png 400w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181637\/lik-300x223.png 300w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181637\/lik-100x74.png 100w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Liksp\u00e4nning<\/strong> <\/p>\n\n\n\n<p>Sp\u00e4nningsniv\u00e5 h\u00e5ller samma polaritet \u00f6ver tiden, Men har ingen standard p\u00e5 vilken niv\u00e5 som anv\u00e4nds. Elsystem p\u00e5 en cykel inneh\u00e5ller niv\u00e5er fr\u00e5n 1,5V och ibland l\u00e4gre f\u00f6r elektronik och signalkablar till ca 70V. Men ett normalv\u00e4rde f\u00f6r cykelbatteri \u00e4r24-36-48-72 V <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"634\" src=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462-1024x634.png\" alt=\"\" class=\"wp-image-229\" srcset=\"https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462-1024x634.png 1024w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462-300x186.png 300w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462-768x476.png 768w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462-100x62.png 100w, https:\/\/s3.eu-north-1.amazonaws.com\/kiube.se\/wp-content\/uploads\/sites\/103\/2019\/05\/26181626\/screen-capture-462.png 1166w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">Risker med likstr\u00f6m och lagring av energi i Batteri<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>V\u00e4rmeutveckling i batteri<\/li><li>Ljusb\u00e5ge vid kortslutning<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","meta":{"jetpack_post_was_ever_published":false,"_initial_content":"","_new_post":false,"_quiz_has_questions":false,"_lesson_complexity":"","_lesson_length":0,"_lesson_course":4,"_lesson_preview":""},"lesson-tag":[],"class_list":["post-162","lesson","type-lesson","status-publish","hentry","module-safety","post"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/lessons\/162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/lessons"}],"about":[{"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/types\/lesson"}],"version-history":[{"count":0,"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/lessons\/162\/revisions"}],"wp:attachment":[{"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/media?parent=162"}],"wp:term":[{"taxonomy":"lesson-tag","embeddable":true,"href":"https:\/\/kiube.se\/zon6\/wp-json\/wp\/v2\/lesson-tag?post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}