Babbar gonar iska a cikin teku a duniya

A cikin 1991, an ƙirƙiri gonar iska ta farko ta ƙetare teku a duniya, na Vindeby. An girka shi a cikin D Denmarknemark, a cikin ruwan Tekun Baltic, kuma yana da injinan iska guda goma sha ɗaya. A karshen shekarar 2016, karfin iska na teku ya kai 9000 (MW). Yau, makamashin iska na cikin teku ya kasance ɗayan mafi kyawun caca a nan gaba don sabuntawa, kodayake har yanzu ba ita ce fasaha mai fa'ida gaba ɗaya ba.

A halin yanzu, babbar gonar iska ta cikin teku tana bakin tekun Kent (Ingila). Duk da kasancewa mafi girman filin shakatawa a duniya, masu tallata shi suna shirin ƙara ƙarfin ta har zuwa 870 MW a kashi na biyu har sai an yarda.

Tunda tsohon Firayim Ministan Biritaniya, David Cameron, ya ƙaddamar da gonar iska ta cikin teku a London tsararru daga bakin Kogin Thames a watan Yuli 2013, wannan kayan aikin ana daukar su mafi girman gonar iska a cikin teku wanda aka gina har zuwa yau.
Wanda aka zartar a ƙaddarar haɗin gwiwar kamfanonin da ke cikin Bajamushe EON, da danish Dong da kuma jama'a jama'a don inganta ƙarfin kuzari Masdar wanda ke zaune a Abu Dhabi, a halin yanzu yana aiki da cikakken ƙarfin samar da isasshen ƙarfi don samar da adadi mai ban mamaki rabin miliyan gidaje, tare da damar da aka sanya na 630 MW.

Bayan shekaru hudu na gini da saka jari na fiye da2.200 miliyoyin Tarayyar Turai, wurin shakatawa an yi shi 175 Vestas SWT iska mai karfin iska, Waɗannan sun faɗaɗa zuwa teku da ke mamaye yanki kusan kilomita murabba'in 100 a tazarar kilomita 20 daga gabar Kent, kudu maso gabashin Ingila.

Matsakaicin 450 kilomita igiyoyin karkashin ruwa da tashoshin teku biyu, wanda ke daidaita makamashin da injinan iska ke samarwa kafin a kai shi kasa cikin.

London Array Offshore

Haɗa tarin iska

Don girka kowace matatar iska a cikin teku, ya zama wajibi ne a gina taru na yau da kullun wanda ya dace da takamaiman halaye na tekun, tare da zurfin da ya banbanta tsakanin mita 5 da 25 dangane da lamarin. Waɗannan tallafi suna ba da izinin ɗaga kowane ɗayan turbines Vestas SWT-3.6MW-120 sama da matakin teku, kuma a gefe guda, yi aiki azaman tushe don watsa nauyinta har zuwa 225 tons zuwa ƙasa.

Haɗin ruwan iska

Kowane ɗayan iska mai karfin 175 yana da tsayi na 147 mita, 90 mita rotor diamita da tsawon ruwa na 58,5 mita. Don jigilar kuzarin da kowannensu ya samar, akwai 210 km na kebul na karkashin kasa wanda ke hada kowane turbines tare da tashoshin teku biyu, kuma wadannan bi da bi suna hadawa da mai Cleve tsauni a kan busasshiyar ƙasa ta hanyar 4 igiyoyi na 150 kV cewa isa ga 220 km na tsawon.

Dangane da ƙididdigar masu tallatawa, a cikin 2012 gonar iska ta yanzu da ke cikin teku zuwa yau ta kawo game da 1,5% na wutar lantarki, amma tare da London Array ana sa ran wannan adadi ya tashi sama da 5% ta haka ne guje wa watsi na 925.000 tons shekara-shekara CO2.

Amincewa da makamashin iska a matsayin daya daga mafi karancin gurbatawa da aminci a yanayin makamashin Turai, ya fara taka rawar da ta dace wajen samar da makamashi mai sabuntawa a duniya. Game da iska ta cikin teku, makamashin da turbines ke samarwa yana da ƙananan tasiri akan yanayi, baya buƙatar juji ko motsa ƙasa, kuma kasancewarka a bakin teku, yana da tasiri ƙasa da tashin hankali akan fauna da ciyayi idan aka kwatanta da iska ta al'ada.

Fadada gaba

Tsarin London ya wuce tsammanin tsammanin iska a cikin BabbarGabbard, kayayyakin more rayuwa waɗanda suke cikin yanki guda wanda har zuwa yanzu ke riƙe da taken na mafi girma gonar iska ta cikin teku a duniya tare da shigar damar 500 MW. Amma wannan ba duka bane.

Tare da ra'ayin ci gaba da jagorantar gasa mai ban sha'awa a cikin iskar cikin teku da byasar Burtaniya ta ɗauka, masu tallata London Array yanzu suna da niyyar faɗaɗa ikonta daga yanzu 630 MW zuwa 870. Wannan zangon na biyu yana jiran izini daga manyan hukumomi masu iko, amma zai inganta wannan gonar iska a matsayin mafi girma da aka gina. A wannan shekarar ta 2017 zamu sami amsa?


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