{"id":10698,"date":"2022-01-13T08:00:00","date_gmt":"2022-01-13T08:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=10698"},"modified":"2022-01-26T14:01:36","modified_gmt":"2022-01-26T14:01:36","slug":"havsvattenenergi-kan-forandra-varlden","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/forsvar-flyg-och-marin\/havsvattenenergi-kan-forandra-varlden\/","title":{"rendered":"Havsvattenenergi kan f\u00f6r\u00e4ndra v\u00e4rlden"},"content":{"rendered":"\n<p><em>M\u00e4nniskor letar efter olika k\u00e4llor till f\u00f6rnybar energi f\u00f6r att minska luftf\u00f6roreningar, utsl\u00e4pp av v\u00e4xthusgaser och anv\u00e4ndningen av fossila br\u00e4nslen. Sol- och vindenergi blir allt popul\u00e4rare, men har n\u00e5gon h\u00f6rt talas om havsproducerad energi?<\/em><\/p>\n\n\n\n<p>Ofta f\u00f6r termen &#8221;f\u00f6rnybar energi&#8221; tankarna till solpaneler, vindkraftverk eller till och med geotermisk v\u00e4rme. Men de har flera nackdelar och \u00e4r inte alltid s\u00e5 effektiva som havet kan vara. Solen skiner till exempel bara p\u00e5 dagarna och \u00e4ven det st\u00f6rsta av vindkraftverk fungerar inte utan vind. Med dessa k\u00e4llor \u00e4r det praktiskt taget om\u00f6jligt att spara energi till senare. Det finns bara ett f\u00e5tal omr\u00e5den i v\u00e4rlden d\u00e4r vinden producerar el hela tiden.&nbsp;<\/p>\n\n\n\n<p>L\u00f6sningen \u00e4r havet som t\u00e4cker 70 % av jordens yta. Det \u00e4r en av de mest f\u00f6rekommande f\u00f6rnybara energik\u00e4llorna p\u00e5 planeten. Env\u00e5gsenergi kan driva ett elfordon hundratals kilometer och havet har potential att driva hela v\u00e4rlden tv\u00e5 g\u00e5nger om.<\/p>\n\n\n\n<h2 id=\"vagenergiteknik\" class=\"wp-block-heading\">V\u00e5genergiteknik<\/h2>\n\n\n\n<p>Termisk energi fr\u00e5n solens v\u00e4rme och mekanisk energi fr\u00e5n tidvatten och v\u00e5gor \u00e4r tv\u00e5 energik\u00e4llor som havet kan tillhandah\u00e5lla. B\u00e5de vad g\u00e4ller installerad kapacitet och investeringar f\u00f6rv\u00e4ntas v\u00e5g- och tidvattenkraften \u00f6ka dramatiskt i framtiden. De \u00e4r de tv\u00e5 huvudsakliga s\u00e4tten att sk\u00f6rda energi fr\u00e5n havet.<\/p>\n\n\n\n<p>Enligt <a href=\"https:\/\/www.irena.org\/ocean\" target=\"_blank\" rel=\"noreferrer noopener\">IRENA<\/a> (International Renewable Energy Agency), lovande havsteknologier inkluderar:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>V\u00e5genergi<\/strong> &#8211; omvandlar lagrad energi fr\u00e5n havsv\u00e5gor genom att oscillera vattenpelare som f\u00e5ngar upp luftfickor f\u00f6r att driva en turbin eller utnyttja v\u00e5gr\u00f6relser.<\/li><li><strong>Tidvattenenergi <\/strong>&#8211; genereras av tidvattenomr\u00e5desteknologier som samlar kraft eller tidvattenstr\u00f6ms-\/tidvattenstr\u00f6msteknologier och hybridtill\u00e4mpningar.<\/li><li><strong>Salthaltsgradientenergi <\/strong>&#8211; h\u00e4rr\u00f6r fr\u00e5n skillnader i saltkoncentrationer, s\u00e5som de som finns d\u00e4r floder rinner ut i havet. S\u00f6tvatten passerar \u00f6ver ett membran f\u00f6r att h\u00f6ja trycket i en tank med saltvatten.<\/li><li><strong>Havstermisk energiomvandling<\/strong> &#8211;&nbsp; skapa energi fr\u00e5n temperaturskillnaden mellan varmt ytsaltvatten och kallt havsvatten p\u00e5 800\u20131 000 meters djup.<\/li><\/ol>\n\n\n\n<p>Det finns oro f\u00f6r kollisionsrisk, elektromagnetiska f\u00e4lt, undervattensljud och ekosystemf\u00f6r\u00e4ndringar. \u00c4nd\u00e5 uppst\u00e5r fr\u00e5gan om havsenergi \u00e4r bra f\u00f6r milj\u00f6n. Som framg\u00e5r <a href=\"https:\/\/www.etipocean.eu\/assets\/Uploads\/ETIP-Ocean-Ocean-energy-and-the-environment.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">av forskningen<\/a>, har havsenergiinstallationer inte visat sig orsaka ett allvarligt hot mot den marina milj\u00f6n. Till skillnad fr\u00e5n <a href=\"https:\/\/knowhow.distrelec.com\/sv\/forsvar-flyg-och-marin\/gruvmaskiner-med-ogonbindel\/\" target=\"_blank\" rel=\"noreferrer noopener\">havsbrytning<\/a>, skadas inte livsmilj\u00f6n av att f\u00e5 energi fr\u00e5n vattnet och det kan till och med hj\u00e4lpa jorden.<\/p>\n\n\n\n<h2 id=\"varfor-ar-havsenergi-viktig\" class=\"wp-block-heading\">Varf\u00f6r \u00e4r havsenergi viktig?<\/h2>\n\n\n\n<p>En av de st\u00f6rsta farorna f\u00f6r havet \u00e4r klimatf\u00f6r\u00e4ndringarna. De flesta vilda djur men ocks\u00e5 marina livsmilj\u00f6er lider p\u00e5 grund av stigande havstemperaturer och f\u00f6rsurning. Havsenergi hj\u00e4lper milj\u00f6n genom att minska jordens kolproblem och rena luftf\u00f6roreningar. De &#8221;rena&#8221; energik\u00e4llorna genererar elektricitet utan att f\u00f6rorena luften och de sl\u00e4pper inte ut koldioxid i atmosf\u00e4ren.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"634\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAJ6AQMAAACMuqJdAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGVJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC8Gz+JAAFHTpvnAAAAAElFTkSuQmCC\"  alt=\"F\u00f6rnybara energik\u00e4llor, vindkraftverk och havsbaserad plattform i vattnet.\"  class=\"wp-image-10460 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1291851877-1024x634.jpg\" ><\/figure>\n\n\n\n<p>Enligt <a href=\"https:\/\/www.irena.org\/-\/media\/Files\/IRENA\/Agency\/Publication\/2020\/Dec\/IRENA_Innovation_Outlook_Ocean_Energy_2020.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Ocean Energy Technologies<\/a>, n\u00e5gra av <strong>de viktigaste f\u00f6rdelarna med havsenergiteknik<\/strong> \u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>begr\u00e4nsning av klimatf\u00f6r\u00e4ndringar<\/li><li>konceptet att kombinera f\u00f6rnybara energik\u00e4llor<\/li><li>konceptet att kombinera f\u00f6rnybara energik\u00e4llor kombinerar kraftproduktion med avsaltning av vatten<\/li><li>ger kraft till slutanv\u00e4ndningssektorer<\/li><li>erbjuder fast kapacitet<\/li><\/ul>\n\n\n\n<p>Havsenergi \u00e4r mer f\u00f6ruts\u00e4gbar \u00e4n andra former av variabel f\u00f6rnybar energi (VRE, variable renewable energy). Especially when connected with offshore wind energy, it supplies electricity because the waves last longer following the wind speed.<\/p>\n\n\n\n<p>Som rapporterats av <a href=\"https:\/\/ocean.economist.com\/innovation\/articles\/ocean-energy-an-important-ally-in-the-fight-against-climate-change\" target=\"_blank\" rel=\"noreferrer noopener\">Economist Group\u2019s World Ocean Initiative<\/a>, hj\u00e4lper installation av mer havsenergi andra kolfria, f\u00f6rnybara energik\u00e4llor, som vind- eller solenergi. Havets vatten r\u00f6r sig alltid. \u00c4ven n\u00e4r solen inte skiner och vinden inte bl\u00e5ser \u00e4r havsenergi idealisk f\u00f6r att uppr\u00e4tth\u00e5lla str\u00f6mf\u00f6rs\u00f6rjningen.<\/p>\n\n\n\n<h2 id=\"hur-fungerar-vagenergi\" class=\"wp-block-heading\">Hur fungerar v\u00e5genergi?<\/h2>\n\n\n\n<p>Havsv\u00e5gor omvandlas till elektricitet med v\u00e5genergiomvandlare (WEC, wave energy converters) eller enheter. V\u00e5gorna r\u00f6r omvandlaren och det skapar elektricitet. Eftersom v\u00e5gkraften \u00e4r begr\u00e4nsad till omr\u00e5den n\u00e4ra havet. N\u00e4r vattnet blir grundare kan det inte l\u00e4ngre r\u00f6ra sig i cirklar. &#8221;Svallet&#8221; producerar de v\u00e5genergisystem som \u00e4r baserade p\u00e5 vattnets r\u00f6relse. Det \u00e4r s\u00e5 kraft produceras.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"682\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKqAQMAAACehL5yAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGtJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC8G1e5AAGKa6yjAAAAAElFTkSuQmCC\"  alt=\"Abstrakta system f\u00f6r att generera elektricitet fr\u00e5n vattnet. \"  class=\"wp-image-10478 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1255749921-1024x682.jpg\" ><\/figure>\n\n\n\n<p>V\u00e5genergi \u00e4r mycket f\u00f6ruts\u00e4gbar och kan utvecklas n\u00e4ra ledningscentra f\u00f6r att minska \u00f6verf\u00f6ringsbehoven. Dessutom kan energin i havsvatten driva distribuerade applikationer. N\u00e5gra av dem \u00e4r avsaltningsanl\u00e4ggningar som avl\u00e4gsnar salt fr\u00e5n saltvatten till f\u00f6rm\u00e5n f\u00f6r samh\u00e4llen med vattenbrist och milit\u00e4rbaser.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em>Havet \u00e4r en o\u00e4ndlig f\u00f6rnybar energik\u00e4lla f\u00f6r att skapa elektricitet till v\u00e4rlden. Generellt, teorin om potentiell energibed\u00f6mning av havet kan n\u00e5 100 000 TWh\/\u00e5r<\/em> <em>(medan v\u00e4rldens elf\u00f6rbrukning \u00e4r 16 000 TWh\/\u00e5r).<\/em><\/p><cite>Nguyen, P. and Dong, V. (2019) \u201c<a href=\"https:\/\/ejers.org\/index.php\/ejers\/article\/view\/1062\/425\" target=\"_blank\" rel=\"noreferrer noopener\">Ocean Energy &#8211; A Clean Energy Source<\/a>\u201d, <em>European Journal of Engineering and Technology Research<\/em>.<\/cite><\/blockquote>\n\n\n\n<h2 id=\"utmaningar-inom-fornybar-havsenergi\" class=\"wp-block-heading\">Utmaningar inom f\u00f6rnybar havsenergi&nbsp;<\/h2>\n\n\n\n<p>M\u00e5nga ingenj\u00f6rer och forskare undrar hur man framg\u00e5ngsrikt kan generera energi till havs. Det finns vissa f\u00f6rdelar och nackdelar med v\u00e5genergi. Som installat\u00f6r eller energiingenj\u00f6r b\u00f6r du vara medveten om f\u00f6r- och nackdelar med vattenkraft.<\/p>\n\n\n\n<h3 id=\"inverkan-pa-den-naturliga-miljon\" class=\"wp-block-heading\">Inverkan p\u00e5 den naturliga milj\u00f6n<\/h3>\n\n\n\n<p>F\u00f6r att samla energi fr\u00e5n v\u00e5gor m\u00e5ste ofta stora maskiner placeras under vattnet. Det finns en oro att dessa enheter kan st\u00f6ra havsbottnen och varelser n\u00e4ra stranden, som krabbor eller sj\u00f6stj\u00e4rnor?&nbsp;<\/p>\n\n\n\n<p>Det \u00e4r avg\u00f6rande att investera i godk\u00e4nda enheter. Havsenergimaskiner \u00e4r vanligtvis snabba och tysta att installera s\u00e5 att de lugnt kan samexistera med all slags flora och fauna. Tidvattenturbiner och v\u00e5genergimaskiner \u00e4r synkroniserade med havets r\u00f6relser. De arbetar avsev\u00e4rt l\u00e5ngsammare \u00e4n vindkraftverk i luften. Dessutom \u00e4r det osannolikt att djuren som lever i n\u00e4rheten av de elektromagnetiska f\u00e4lten kommer att skadas.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"576\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAJAAQMAAAApW4aWAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF5JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAO8GIk8AAbOpTZoAAAAASUVORK5CYII=\"  alt=\"Havsenergistation, i synnerhet hur turbintekniken fungerar under vatten.\"  class=\"wp-image-10496 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-1024x576.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-1024x576.jpg 1024w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-300x169.jpg 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-768x432.jpg 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-1536x864.jpg 1536w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-2048x1152.jpg 2048w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-380x214.jpg 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-550x310.jpg 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-800x450.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873-1160x653.jpg 1160w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1345828873.jpg 2200w\" ><\/figure>\n\n\n\n<h3 id=\"lampliga-platser\" class=\"wp-block-heading\">L\u00e4mpliga platser<\/h3>\n\n\n\n<p>Marintekniker m\u00e5ste ta h\u00e4nsyn till m\u00e5nga faktorer innan de skickar ut maskiner till havet. Utrustningen kan \u00e4ven st\u00f6ra privata och kommersiella fartyg. Havsenergistationer m\u00e5ste finnas n\u00e4ra kusten f\u00f6r att fungera korrekt. Men ofta \u00e4r dessa omr\u00e5den avs\u00e4dda f\u00f6r lastfartyg, f\u00f6r kryssningar eller strandg\u00e4ster.&nbsp;<\/p>\n\n\n\n<p>Byggandet av en v\u00e5genergik\u00e4lla kommer att ber\u00f6ra alla dessa m\u00e4nniskor och fartyg. Dessutom \u00e4r v\u00e5genergi inte ett alternativ f\u00f6r ren energi f\u00f6r alla. Landl\u00e5sta l\u00e4nder och st\u00e4der l\u00e5ngt fr\u00e5n havet m\u00e5ste hitta alternativa kraftk\u00e4llor.<\/p>\n\n\n\n<h3 id=\"effektiv-utrustning\" class=\"wp-block-heading\">Effektiv utrustning<\/h3>\n\n\n\n<p>V\u00e5genergianordningar som genererar energi fr\u00e5n havsv\u00e5gor m\u00e5ste kunna motst\u00e5 en instabil, og\u00e4stv\u00e4nlig och oordnad milj\u00f6. De minsta elementen m\u00e5ste unders\u00f6kas f\u00f6r att den ska vara fullt fungerande och ekonomiskt genomf\u00f6rbar, fr\u00e5n de h\u00f6ga krafterna som appliceras p\u00e5 den till hur komponenterna t\u00e5l upprepad exponering f\u00f6r havsvatten.<\/p>\n\n\n\n<p>Vattenkraften har p\u00e5verkat designen och tillverkningen av maskiner fr\u00e5n vattendrivna bruk sedan det f\u00f6rsta vattenkraftverket 1882. Nu erbjuder tekniken de <a href=\"https:\/\/www.hydropower.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">moderna vattenkraftverken<\/a> som hj\u00e4lper till med omst\u00e4llningen av ren energi genom att leverera n\u00f6dv\u00e4ndiga tj\u00e4nster f\u00f6r el, flexibilitet, lagring och klimatskydd.<\/p>\n\n\n\n<h4 id=\"owc-turbinteknik\" class=\"wp-block-heading\">OWC-turbinteknik<\/h4>\n\n\n\n<p>Utmaningen med <a href=\"https:\/\/www.siemens-energy.com\/global\/en\/offerings\/renewable-energy\/hydroair-turbine.html\" target=\"_blank\" rel=\"noreferrer noopener\">(OWC, oscillating water column)-turbinteknologi<\/a> \u00e4r att uppn\u00e5 en h\u00f6g verkningsgrad vid en m\u00e4ngd olika driftsf\u00f6rh\u00e5llanden. Luftfl\u00f6det \u00e4ndrar inte bara riktning n\u00e4r det r\u00f6r sig fram och tillbaka, utan det varierar ocks\u00e5 mellan noll och 100 procent. Samtidigt m\u00e5ste axeln rotera i samma riktning (dvs medurs rotation).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"563\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAIzAQMAAACk7fn5AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOBsbwgABQ14PhgAAAABJRU5ErkJggg==\"  alt=\"Olika typer av f\u00f6rnybara, milj\u00f6v\u00e4nliga energik\u00e4llor i cirklarna, mot naturlandskapets bakgrund.\"  class=\"wp-image-10514 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/11\/iStock-1289348332-1024x563.jpg\" ><\/figure>\n\n\n\n<p>Tekniken v\u00e4xer snabbt och med allm\u00e4nhetens \u00f6kande f\u00f6rst\u00e5else f\u00f6r f\u00f6rnybara och icke-f\u00f6rnybara resurser m\u00e5ste m\u00e4nniskor luta sig mot mer milj\u00f6v\u00e4nliga energik\u00e4llor. Effekten av arbete p\u00e5 OWC-turbintekniken \u00e4r <a href=\"https:\/\/www.siemens-energy.com\/global\/en\/offerings\/renewable-energy\/hydroair-turbine.html\" target=\"_blank\" rel=\"noreferrer noopener\">HydroAir-turbinen<\/a> som har m\u00e5nga f\u00f6rdelar, inklusive milj\u00f6v\u00e4nliga produkter (utsl\u00e4ppsfria och med l\u00e5gt buller), med en r\u00f6rlig del, minskat underh\u00e5ll och minimerat fotavtryck.<\/p>\n\n\n\n<h2 id=\"framtiden-for-havsenergi\" class=\"wp-block-heading\">Framtiden f\u00f6r havsenergi<\/h2>\n\n\n\n<p>V\u00e5genergi har en enorm potential att tillfredsst\u00e4lla behovet av ren energi i framtiden. Det \u00e4r en m\u00f6jlighet att fylla energigapet med v\u00e5genergi. Men f\u00f6r att skydda milj\u00f6n m\u00e5ste det g\u00f6ras p\u00e5 ett h\u00e5llbart s\u00e4tt och i harmoni med det marina ekosystemet.&nbsp;<\/p>\n\n\n\n<p>Havets livsmilj\u00f6 \u00e4r en prioritet f\u00f6r projektutvecklare. Forskare m\u00e5ste studera var de ska installeral <a href=\"https:\/\/www.distrelec.biz\/en\/power\/converters\/c\/cat-L2D_1690098\" target=\"_blank\" rel=\"noreferrer noopener\">omvandlare<\/a> f\u00f6r att s\u00e4kerst\u00e4lla att vattnets ekosystem inte kommer att skadas. En del av utrustningen avger ljud eller har kablar som vissa arter kan trassla in sig i. M\u00e5nga maskiner kan orsaka djurf\u00f6rflyttningar. Det \u00e4r d\u00e4rf\u00f6r avg\u00f6rande att investera i bepr\u00f6vad utrustning.<\/p>\n\n\n\n<p>F\u00f6r att f\u00f6rv\u00e4rva havsenergi b\u00f6r tillverknings- och transportindustrin fokusera p\u00e5 styrteknikl\u00f6sningar, <a href=\"https:\/\/www.elfa.se\/sv\/automation\/maenniska-maskingraenssnitt\/c\/cat-L2D_3356799\" target=\"_blank\" rel=\"noreferrer noopener\">HMI:er<\/a> och <a href=\"https:\/\/www.elfa.se\/sv\/automation\/c\/cat-L1D_379516\" target=\"_blank\" rel=\"noreferrer noopener\">automation<\/a> f\u00f6r <a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/gb?1dmy&amp;urile=wcm:path:\/gben\/web\/offcontext\/outsite_landing_pages\/947b21d4-b9c3-4673-9ecb-f8e67e2f2998\/947b21d4-b9c3-4673-9ecb-f8e67e2f2998\" target=\"_blank\" rel=\"noreferrer noopener\">marina applikationer<\/a>. F\u00f6r att skydda ekosystemet \u00e4r det viktigt att anv\u00e4nda godk\u00e4nda anordningar och s\u00f6ka f\u00f6retag som erbjuder innovativa och certifierade l\u00f6sningar f\u00f6r fartyg och offshoreplattformar.<\/p>\n\n\n\n<div class=\"wp-block-group alignwide is-style-default\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-buttons alignwide is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfa.se\/sv\/manufacturer\/siemens\/man_sie?no-cache=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>HANDLA SIEMENS SORTIMENT<\/strong><\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.elfa.se\/sv\/manufacturer\/phoenix-contact\/man_pho?no-cache=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>HANDLA PHOENIX CONTACTS SORTIMENT<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\t<div class=\"cnvs-block-posts cnvs-block-posts-1641310448824 cnvs-block-posts-layout-mixed\" data-layout=\"mixed\" data-min-height=\"\">\n\t\t<div class=\"cs-posts-area\" data-posts-area=\"\">\n\t\t\t<div class=\"cs-posts-area__outer cs-posts-area__type-mixed\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"cs-posts-area__main cs-posts-area__grid cs-block-posts-layout-mixed cs-display-column\">\n\t\t\t\t\t\t\t\n\n\t<article class=\"cs-entry-default post-10041 post type-post status-publish format-standard has-post-thumbnail category-forsvar-flyg-och-marin cs-entry cs-video-wrap\">\n\t\t<div class=\"cs-entry__outer\">\n\n\t\t\t\n\t\t\t\t\t<div class=\"cs-entry__inner cs-entry__thumbnail cs-entry__overlay cs-overlay-ratio cs-ratio-landscape-16-9\">\n\t\t\n\t\t\t\t\t\t\t<div class=\"cs-overlay-background cs-overlay-transparent\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"307\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAwAAAAEzAQMAAAC8PvbnAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADRJREFUeNrtwTEBAAAAwqD1T20LL6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgKMBdFMAAYqp+b4AAAAASUVORK5CYII=\" class=\"attachment-medium_large size-medium_large pk-lazyload wp-post-image\" alt=\"The mining machine search for minerals in the water.\" data-pk-sizes=\"auto\" data-ls-sizes=\"(max-width: 768px) 100vw, 768px\" data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?w=768\" data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg 2000w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=300,120 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=768,307 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=1024,410 1024w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=1536,614 1536w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=380,152 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=550,220 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=800,320 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/10\/sea-mining.jpg?resize=1160,464 1160w\" \/>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t<a href=\"https:\/\/knowhow.distrelec.com\/sv\/forsvar-flyg-och-marin\/gruvmaskiner-med-ogonbindel\/\" class=\"cs-overlay-link\"><\/a>\n\t\t<\/div>\n\t\t\n\t\t\t<div class=\"cs-entry__inner cs-entry__content cs-entry__information\">\n\n\t\t\t\t<div class=\"cs-entry__post-meta\" ><div class=\"cs-meta-category\"><ul class=\"post-categories\">\n\t<li><a href=\"https:\/\/knowhow.distrelec.com\/sv\/category\/forsvar-flyg-och-marin\/\" rel=\"category tag\">F\u00f6rsvar, flyg och marin<\/a><\/li><\/ul><\/div><\/div>\n\t\t\t\t\t<h2 class=\"cs-entry__title \">\n\t\t\t\t\t<a href=\"https:\/\/knowhow.distrelec.com\/sv\/forsvar-flyg-och-marin\/gruvmaskiner-med-ogonbindel\/\">Kappl\u00f6pningen mot havets botten: gruvmaskiner med \u00f6gonbindel<\/a>\n\t\t\t<\/h2>\n\t\n\t\t\t\t\t\t\t<div class=\"cs-entry__excerpt\">\n\t\t\t\tHavet \u00e4r v\u00e4rldens minst k\u00e4nda livsmilj\u00f6. Forskare \u00e4r inte ens s\u00e4kra p\u00e5 vad som lever i vissa&hellip;\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"cs-entry__details \">\n\t\t\t\t\t\t\t\t\t<div class=\"cs-entry__details-data\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"cs-entry__details-meta\">\n\t\t\t\t\t\t\t<div class=\"cs-entry__post-meta\" ><div class=\"cs-meta-date\">november 16, 2021<\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"cs-entry__read-more\">\n\t\t\t\t\t\t<a href=\"https:\/\/knowhow.distrelec.com\/sv\/forsvar-flyg-och-marin\/gruvmaskiner-med-ogonbindel\/\">\n\t\t\t\t\t\t\tL\u00e4s mer\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/article>\n\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t<\/div>\n\t","protected":false},"excerpt":{"rendered":"M\u00e4nniskor letar efter olika k\u00e4llor till f\u00f6rnybar energi f\u00f6r att minska luftf\u00f6roreningar, utsl\u00e4pp av v\u00e4xthusgaser och anv\u00e4ndningen av&hellip;\n","protected":false},"author":16,"featured_media":10442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[241,239,1712],"tags":[],"coauthors":[],"class_list":{"0":"post-10698","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-energi-stromforsorjning","8":"category-forsvar-flyg-och-marin","9":"category-hallbarhet","10":"cs-entry","11":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Havsvattenenergi kan f\u00f6r\u00e4ndra v\u00e4rlden - KnowHow<\/title>\n<meta name=\"description\" content=\"Bland vind- och solkraft \u00e4r \u00e4ven vatten en av de f\u00f6rnybara energierna. 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