{"id":40651,"date":"2020-02-02T21:02:01","date_gmt":"2020-02-02T18:02:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/domashnij-veb-server-na-solnechnyh-batareyah-otrabotal-15-mesyaczev-aptajm-9526"},"modified":"2020-02-02T21:02:01","modified_gmt":"2020-02-02T18:02:01","slug":"domashnij-veb-server-na-solnechnyh-batareyah-otrabotal-15-mesyaczev-aptajm-9526","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/domashnij-veb-server-na-solnechnyh-batareyah-otrabotal-15-mesyaczev-aptajm-9526","title":{"rendered":"Nj\u00eb server web sht\u00ebpiak me energji diellore ka funksionuar p\u00ebr 15 muaj: uptime 95,26%","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Nj\u00eb<\/a><\/noindex>
\nPrototipi i par\u00eb i serverit diellor me kontrollues karikimi. Foto: solar.lowtechmagazine.com<\/a><\/noindex><\/i><\/p>\n

N\u00eb Shtator 2018, nj\u00eb entuziast nga Low-tech Magazine nis projekti \"server i ul\u00ebt teknologjik\"<\/a><\/noindex>. Q\u00ebllimi ishte t\u00eb reduktohej konsumi i energjis\u00eb n\u00eb m\u00ebnyr\u00eb q\u00eb nj\u00eb server i vet\u00eb-hostuar t\u00eb mjaftonte me nj\u00eb panel diellor. Kjo nuk \u00ebsht\u00eb e leht\u00eb, pasi faqja duhet t\u00eb punoj\u00eb 24 or\u00eb n\u00eb dit\u00eb. Le t\u00eb shohim se \u00e7far\u00eb doli n\u00eb fund.<\/p>\n

Mund t\u00eb hyni n\u00eb server solar.lowtechmagazine.com<\/a><\/noindex>, t\u00eb kontrolloni konsumimin aktual t\u00eb energjis\u00eb dhe nivelin e karikimit t\u00eb bateris\u00eb. Faqja \u00ebsht\u00eb optimizuar p\u00ebr nj\u00eb num\u00ebr minimal k\u00ebrkesash dhe trafik minimal, k\u00ebshtu q\u00eb duhet t\u00eb p\u00ebrballoj\u00eb nj\u00eb rritje t\u00eb vizitor\u00ebve nga Habra. Sipas llogaritjeve t\u00eb zhvilluesit, konsumi i energjis\u00eb p\u00ebr nj\u00eb vizitor unik \u00ebsht\u00eb 0,021 W\u22c5h.
\n<\/a><\/noindex>
\nPak para agimit m\u00eb 31 Janar 2020, ai kishte mbetur 42% karikimi t\u00eb bateris\u00eb. Agimi n\u00eb Barcelon\u00eb ishte n\u00eb or\u00ebn 8:04 sipas koh\u00ebs lokale, pas k\u00ebsaj duhet t\u00eb filloj\u00eb rrjedha nga paneli diellor.<\/p>\n

\"Nj\u00eb
\n<\/p>\n

P\u00ebrse?<\/h1>\n

\nDhjet\u00eb vjet m\u00eb par\u00eb, ekspert\u00ebt parashikuan<\/a><\/noindex>, se zhvillimi i internetit do t\u00eb kontribuonte n\u00eb \"dematerializimin\" e shoq\u00ebris\u00eb, digjitalizimin e gjithansh\u00ebm\u2014dhe, si pasoj\u00eb, n\u00eb reduktimin e konsumit t\u00eb energjis\u00eb totale. Ata gabuan. N\u00eb t\u00eb v\u00ebrtet\u00eb, interneti k\u00ebrkoi volume t\u00eb m\u00ebdha energjie<\/a><\/noindex>, dhe k\u00ebto volume vazhdojn\u00eb t\u00eb rriten.<\/p>\n

Kompani IT kan\u00eb nisur iniciativa p\u00ebr kalimin n\u00eb burime alternative energjie, por kjo \u00ebsht\u00eb e pamundur tani. T\u00eb gjith\u00eb qendrat e t\u00eb dh\u00ebnave konsumojn\u00eb tri her\u00eb m\u00eb shum\u00eb energji sesa gjenerojn\u00eb t\u00eb gjitha impiantet diellore dhe er\u00eb p\u00ebr mbar\u00eb bot\u00ebn. M\u00eb keq akoma, prodhimi dhe z\u00ebvend\u00ebsimi i rregullt i paneleve diellore dhe turbineve t\u00eb er\u00ebs k\u00ebrkon gjithashtu energji<\/a><\/noindex>, prandaj t\u00eb heq\u00ebsh dor\u00eb nga fosilet (nafta, gazi, urani) sot \u00ebsht\u00eb thjesht e pamundur. Por k\u00ebto rezerva nuk do t\u00eb zgjasin gjat\u00eb, prandaj na duhet patjet\u00ebr t\u00eb mendojm\u00eb se si t\u00eb jetojm\u00eb nga burimet e rinovueshme. Duke p\u00ebrfshir\u00eb funksionimin e infrastruktur\u00ebs kompjuterike, p\u00ebrfshir\u00eb server\u00ebt web.<\/p>\n

Low-tech Magazine e sheh si problem<\/a><\/noindex> shfryrjen e tep\u00ebrt t\u00eb faqeve web. Nga 2010 deri n\u00eb 2018, madh\u00ebsia mesatare e faqes \u00ebsht\u00eb rritur nga 0,45 MB n\u00eb 1,7 MB<\/a><\/noindex>, dhe p\u00ebr faqet mobile \u2014 nga 0,15 MB n\u00eb 1,6 MB, sipas nj\u00eb vler\u00ebsimi konservator.<\/p>\n

Rritja e volumit t\u00eb trafik po tejkalon p\u00ebrparimin n\u00eb efikasitetin energjetik<\/a><\/noindex> (energjia e nevojshme p\u00ebr t\u00eb transmetuar 1 megabajt informacioni), e cila shkakton nj\u00eb rritje t\u00eb vazhdueshme t\u00eb konsumit t\u00eb energjis\u00eb n\u00eb internet. Site m\u00eb t\u00eb r\u00ebnda dhe t\u00eb ngarkuara jo vet\u00ebm q\u00eb rrisin ngarkes\u00ebn n\u00eb infrastruktur\u00ebn rrjet\u00ebsore, por gjithashtu shkurtuan \"ciklin e jet\u00ebs\" s\u00eb kompjuter\u00ebve dhe smartfon\u00ebve, t\u00eb cil\u00ebt duhet t\u00eb hidhen m\u00eb shpesh dhe t\u00eb prodhohen t\u00eb rinj, gj\u00eb q\u00eb gjithashtu \u00ebsht\u00eb nj\u00eb proces mjaft energji-konsumues<\/a><\/noindex>.<\/p>\n

Sigurisht, rritja e ngarkes\u00ebs krijohet gjithashtu nga stili i jetes\u00ebs: njer\u00ebzit kalojn\u00eb pothuajse gjith\u00eb koh\u00ebn online dhe mb\u00ebshteten shum\u00eb n\u00eb sh\u00ebrbime t\u00eb ndryshme n\u00eb web. Shoq\u00ebria moderne \u00ebsht\u00eb e v\u00ebshtir\u00eb t\u00eb imagjinohet pa infrastruktur\u00ebn IT n\u00eb re (rrjetet sociale, mesazher\u00ebt, posta, etj.)<\/p>\n

Konfigurimi i serverit dhe i faqes n\u00eb internet<\/h1>\n

\nN\u00eb k\u00ebto artikuj<\/a><\/noindex> p\u00ebrshkruan n\u00eb detaje konfigurimin n\u00eb harduer dhe grumbullin e softuerit t\u00eb serverit web.<\/p>\n

Kompjuter me nj\u00eb kart\u00eb Olimex Olinuxino A20 Lime 2<\/a><\/noindex> \u00ebsht\u00eb zgjedhur p\u00ebr konsumin e ul\u00ebt t\u00eb energjis\u00eb dhe funksionet e dobishme shtes\u00eb, si\u00e7 \u00ebsht\u00eb prania e nj\u00eb \u00e7ipi p\u00ebr menaxhimin e energjis\u00eb AXP209<\/a><\/noindex>. Ai lejon t\u00eb k\u00ebrkosh statistikat e tensionit aktual dhe forc\u00ebs s\u00eb rrym\u00ebs nga tabela dhe bateria. \u00c7ipi nd\u00ebrkomb\u00ebton automatikisht energjin\u00eb midis bateris\u00eb dhe portit DC, ku rrjedh rryma nga panele diellore. K\u00ebshtu, \u00ebsht\u00eb e mundur t\u00eb sigurohet energji e pand\u00ebrprer\u00eb p\u00ebr serverin me mb\u00ebshtetje t\u00eb bateris\u00eb.<\/p>\n

\"Nj\u00eb
\nOlimex Olinuxino A20 Lime 2<\/i><\/p>\n

Fillimisht, si bateri u zgjodh nj\u00eb bateri litium-polimer me kapacitet 6600 mAh (rreth 24 Wh), m\u00eb pas u vendos nj\u00eb bateri acid-plumbi me 84.4 Wh.<\/p>\n

Sistemi operativ ngarkohet nga kartela SD. Megjith\u00ebse sistemi operativ z\u00eb jo m\u00eb shum\u00eb se 1 GB, dhe faqja e internetit statike rreth 30 MB, nuk kishte kuptim ekonomik t\u00eb blije nj\u00eb kart\u00eb m\u00eb t\u00eb vog\u00ebl se Class 10 16 GB.<\/p>\n

Serveri \u00ebsht\u00eb i lidhur me rrjetin p\u00ebrmes nj\u00eb lidhjeje p\u00ebrkat\u00ebs 100-megabit n\u00eb Barcelon\u00eb dhe nj\u00eb router standard p\u00ebr konsumator\u00ebt. P\u00ebr t\u00eb \u00ebsht\u00eb rezervuar nj\u00eb adres\u00eb IP statike. Praktikisht kushdo mund ta vendos\u00eb nj\u00eb faqe t\u00eb till\u00eb n\u00eb apartamentin e tij, duhet vet\u00ebm t\u00eb modifikoj\u00eb pak konfigurimin e fire\u00ebollit p\u00ebr t\u00eb p\u00ebr\u00e7uar portet n\u00eb IP-n\u00eb lokale:<\/p>\n

Port 80 n\u00eb 80 p\u00ebr HTTP\nPort 443 n\u00eb 443 p\u00ebr HTTPS\nPort 22 n\u00eb 22 p\u00ebr SSH<\/pre>\n
\n\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 Armbian Stretch<\/a><\/noindex> nd\u00ebr baz\u00ebn e shp\u00ebrndarjes Debian dhe b\u00ebrtham\u00ebs SUNXI<\/a><\/noindex>, e cila \u00ebsht\u00eb zhvilluar p\u00ebr kompjuter\u00ebt me nj\u00eb boj\u00eb AllWinner.<\/p>\n
\"Nj\u00eb
\nPanelet diellore 50-watt p\u00ebr serverin web dhe paneli 10-watt p\u00ebr ndri\u00e7imin e sallonit n\u00eb apartamentin e autorit<\/i><\/p>\n
Faqja statike \u00ebsht\u00eb gjeneruar nga sistemi Pelican<\/a><\/noindex> (gjenerator i uebfaqeve n\u00eb Python). Uebfaqet statike ngarkohet m\u00eb shpejt dhe nuk krijojn\u00eb ngarkes\u00eb n\u00eb CPU, prandaj ato jan\u00eb shum\u00eb m\u00eb efikase se faqet q\u00eb gjenerohen dinamikisht, n\u00eb pik\u00ebpamje t\u00eb konsumit t\u00eb energjis\u00eb. Kodi burimor i tem\u00ebs s\u00eb dizajnit \u00ebsht\u00eb. k\u00ebtu<\/a><\/noindex>.<\/p>\n
Nj\u00eb moment shum\u00eb i r\u00ebnd\u00ebsish\u00ebm \u00ebsht\u00eb kompresimi i imazheve, pasi pa k\u00ebt\u00eb optimizim, \u00ebsht\u00eb praktikisht e pamundur t\u00eb b\u00ebsh faqet e internetit m\u00eb t\u00eb vogla se 1 megabajt. P\u00ebr optimizimin, \u00ebsht\u00eb vendosur t\u00eb konvertohen fotografit\u00eb n\u00eb imazhe tonale. Si shembull, ja fotografia e telefonisteve n\u00eb nj\u00eb komutator t\u00eb shekullit t\u00eb kaluar, 253 KB<\/a><\/noindex>.<\/p>\n
\"Nj\u00eb
\n
\nDhe ja nj\u00eb imazh tonal t\u00eb optimizuar me madh\u00ebsi 36.5 KB<\/a><\/noindex> me tre ngjyra (e zez\u00eb, e bardh\u00eb, gri). P\u00ebrmes iluzionit optik, duket se numri i ngjyrave \u00ebsht\u00eb m\u00eb shum\u00eb se tre.<\/p>\n
\"Nj\u00eb
\n
\nFotografit\u00eb tonale u zgjodh\u00ebn jo vet\u00ebm p\u00ebr optimizimin e madh\u00ebsis\u00eb (nj\u00eb vendim mjaft t\u00eb diskutuesh\u00ebm), por edhe p\u00ebr arsye estetike. Kjo teknik\u00eb e vjet\u00ebr e p\u00ebrpunimit t\u00eb imazheve ka disa karakteristika stilistike t\u00eb ve\u00e7anta, k\u00ebshtu q\u00eb faqja e internetit ka nj\u00eb dizajn q\u00eb n\u00eb nj\u00ebfar\u00eb m\u00ebnyre \u00ebsht\u00eb unik.<\/p>\n
623 ilustrime n\u00eb faqen e revist\u00ebs Low-tech Magazine pas optimizimit u zvog\u00ebluan nga 194.2 MB n\u00eb 21.3 MB, q\u00eb do t\u00eb thot\u00eb 89%.<\/p>\n
T\u00eb gjith\u00eb artikujt e vjet\u00ebr u konvertuan n\u00eb Markdown p\u00ebr thjesht\u00ebsin\u00eb e shkruajtjes s\u00eb artikujve t\u00eb rinj, si dhe p\u00ebr thjesht\u00ebsin\u00eb e kopjimit rezerv\u00eb p\u00ebrmes git<\/a><\/noindex>. Nga faqja u hoq\u00ebn t\u00eb gjitha skenar\u00ebt dhe gjurm\u00ebt, si dhe logot. P\u00ebrdoret fonti i paracaktuar n\u00eb shfletuesin e klientit. Si \"logo\" \u2014 emri i revist\u00ebs me shkronja t\u00eb m\u00ebdha dhe nj\u00eb shigjet\u00eb majtas: LOW\u2190TECH MAGAZINE. Nj\u00eb total prej 16 byte n\u00eb vend t\u00eb imazhit.<\/p>\n
N\u00eb rast nd\u00ebrprerjeje, \u00ebsht\u00eb organizuar mund\u00ebsia e \"leximit offline\": tekstet dhe imazhet eksportohen n\u00eb RSS-feed. 100% e p\u00ebrmbajtjes \u00ebsht\u00eb e cachuar, duke p\u00ebrfshir\u00eb HTML.<\/p>\n
Nj\u00eb optimizim tjet\u00ebr \u2014 aktivizimi i cil\u00ebsimit HTTP2 n\u00eb nginx, q\u00eb paksa zvog\u00eblon trafikun dhe shkurton koh\u00ebn e ngarkes\u00ebs s\u00eb faqeve, n\u00eb krahasim me HTTP\/1.1. N\u00eb tabel\u00eb krahasohen rezultatet p\u00ebr pes\u00eb faqe t\u00eb ndryshme.<\/p>\n
| | FP | WE | HS | FW | CW |\n|----------|-------|-------|-------|-------|-------|\n| HTTP\/1.1 | 1.46s | 1.87s | 1.54s | 1.86s | 1.89s |\n| HTTP2 | 1.30s | 1.49s | 1.54s | 1.79s | 1.55s |\n| Imazhe | 9 | 21 | 11 | 19 | 23 |\n| kursimet | 11% | 21% | 0% | 4% | 18% |<\/pre>\n
Konfigurimi i plot\u00eb i nginx:<\/p>\n
root@solarserver:\/var\/log\/nginx# cat \/etc\/nginx\/sites-enabled\/solar.lowtechmagazine.com\n\n# Expires map\nmap $sent_http_content_type $expires {\ndefault off;\ntext\/html 7d;\ntext\/css max;\napplication\/javascript max;\n~image\/ max;\n}\n\nserver {\nlisten 80;\nserver_name solar.lowtechmagazine.com;\n\nlocation \/ {\nreturn 301 https:\/\/$server_name$request_uri;\n}\n}\n\nserver{\nlisten 443 ssl http2;\nserver_name solar.lowtechmagazine.com;\n\ncharset UTF-8; #improve page speed by sending the charset with the first response.\n\nlocation \/ {\nroot \/var\/www\/html\/;\nindex index.html;\nautoindex off;\n}\n\n\n#Caching (save html pages for 7 days, rest as long as possible, no caching on frontpage)\nexpires $expires;\n\nlocation @index {\nadd_header Last-Modified $date_gmt;\nadd_header Cache-Control 'no-cache, no-store';\netag off;\nexpires off;\n}\n\n#error_page 404 \/404.html;\n\n# redirect server error pages to the static page \/50x.html\n#error_page 500 502 503 504 \/50x.html;\n#location = \/50x.html {\n# root \/var\/www\/;\n#}\n\n#Compression\n\ngzip on;\ngzip_disable \"msie6\";\ngzip_vary on;\ngzip_comp_level 6;\ngzip_buffers 16 8k;\ngzip_http_version 1.1;\ngzip_types text\/plain text\/css application\/json application\/javascript text\/xml application\/xml application\/xml+rss text\/javascript;\n\n\n#Caching (save html page for 7 days, rest as long as possible)\nexpires $expires;\n\n# Logs\naccess_log \/var\/log\/nginx\/solar.lowtechmagazine.com_ssl.access.log;\nerror_log \/var\/log\/nginx\/solar.lowtechmagazine.com_ssl.error.log;\n\n# SSL Settings:\nssl_certificate \/etc\/letsencrypt\/live\/solar.lowtechmagazine.com\/fullchain.pem;\nssl_certificate_key \/etc\/letsencrypt\/live\/solar.lowtechmagazine.com\/privkey.pem;\n\n# Improve HTTPS performance with session resumption\nssl_session_cache shared:SSL:10m;\nssl_session_timeout 5m;\n\n# Enable server-side protection against BEAST attacks\nssl_prefer_server_ciphers on;\nssl_ciphers ECDH+AESGCM:ECDH+AES256:ECDH+AES128:DH+3DES:!ADH:!AECDH:!MD5;\n\n# Disable SSLv3\nssl_protocols TLSv1 TLSv1.1 TLSv1.2;\n\n# Lower the buffer size to increase TTFB\nssl_buffer_size 4k;\n\n# Diffie-Hellman parameter for DHE ciphersuites\n# $ sudo openssl dhparam -out \/etc\/ssl\/certs\/dhparam.pem 4096\nssl_dhparam \/etc\/ssl\/certs\/dhparam.pem;\n\n# Enable HSTS (https:\/\/developer.mozilla.org\/en-US\/docs\/Security\/HTTP_Strict_Transport_Security)\nadd_header Strict-Transport-Security \"max-age=63072000; includeSubdomains\";\n\n# Enable OCSP stapling (http:\/\/blog.mozilla.org\/security\/2013\/07\/29\/ocsp-stapling-in-firefox)\nssl_stapling on;\nssl_stapling_verify on;\nssl_trusted_certificate \/etc\/letsencrypt\/live\/solar.lowtechmagazine.com\/fullchain.pem;\nresolver 87.98.175.85 193.183.98.66 valid=300s;\nresolver_timeout 5s;\n}<\/code><\/pre>\n
<\/p>\n
P\u00ebrmbledhja e 15 muajve t\u00eb pun\u00ebs<\/h1>\n
\nN\u00eb periudh\u00ebn nga 12 Dhjetori 2018 deri m\u00eb 28 N\u00ebntor 2019, serveri tregoi p\u00ebrqindje t\u00eb funksionimit 95.26%<\/a><\/noindex>. Kjo do t\u00eb thot\u00eb se p\u00ebr shkak t\u00eb kushteve t\u00eb k\u00ebqija t\u00eb motit, downtime p\u00ebr vitin ishte 399 or\u00eb.<\/p>\n
Por n\u00ebse nuk merren parasysh dy muajt e fundit, koha e funksionit ishte 98.2%, nd\u00ebrsa koha e papun\u00ebsis\u00eb ishte vet\u00ebm 152 or\u00eb, shkruajn\u00eb zhvilluesit. Koha e funksionit ra n\u00eb 80% gjat\u00eb dy muajve t\u00eb fundit, kur konsumimi i energjis\u00eb u rrit p\u00ebr shkak t\u00eb p\u00ebrdit\u00ebsimit t\u00eb softuerit. \u00c7do nat\u00eb, faqja u ndal p\u00ebr disa or\u00eb.<\/p>\n
Sipas statistikave, gjat\u00eb nj\u00eb viti (nga 3 dhjetori 2018 deri m\u00eb 24 n\u00ebntor 2019), konsumimi i energjis\u00eb nga serveri ishte 9,53 kWh. U regjistruan humbje t\u00eb konsiderueshme n\u00eb sistemin fotovoltaik p\u00ebr shkak t\u00eb konvertimit t\u00eb tensionit dhe shkarkimit t\u00eb bateris\u00eb. Kontrollori solar tregoi nj\u00eb konsumim vjetor prej 18,10 kWh, q\u00eb do t\u00eb thot\u00eb se efikasiteti i sistemit \u00ebsht\u00eb rreth 50%.<\/p>\n
\"Nj\u00eb
\nSkema e thjeshtuar. Ajo nuk tregon konvertuesin e tensionit nga 12 n\u00eb 5 volt dhe num\u00ebruesin e amper-or\u00ebs p\u00ebr baterin\u00eb.<\/i><\/p>\n
Gjat\u00eb periudh\u00ebs s\u00eb hetimit, faqja u vizitua nga 865,000 vizitor\u00eb unik. Duke p\u00ebrfshir\u00eb t\u00eb gjitha humbjet e energjis\u00eb n\u00eb instalimin solar, konsumimi i energjis\u00eb p\u00ebr \u00e7do vizitor unik ishte 0,021 Wh. K\u00ebshtu q\u00eb, nj\u00eb kilovat-or\u00eb energji solare t\u00eb gjeneruar \u00ebsht\u00eb e mjaftueshme p\u00ebr t\u00eb sh\u00ebrbyer pothuajse 50,000 vizitor\u00eb unik.<\/p>\n
Gjat\u00eb eksperimentit u testuan panele solare t\u00eb ndryshme n\u00eb p\u00ebrmas\u00eb. N\u00eb tabel\u00eb jan\u00eb paraqitur llogaritjet se sa koh\u00eb duhen p\u00ebr t\u00eb ngarkuar baterit\u00eb me kapacitet t\u00eb ndrysh\u00ebm duke p\u00ebrdorur panele solare t\u00eb ndryshme.<\/p>\n
\"Nj\u00eb
\n
\nPowersi mesatar i konsumuar i serverit web gjat\u00eb vitit t\u00eb par\u00eb, duke p\u00ebrfshir\u00eb t\u00eb gjitha humbjet e energjis\u00eb, ishte 1,97 W. Llogaritja tregon se p\u00ebr t\u00eb mbajtur faqen n\u00eb internet gjat\u00eb nat\u00ebs s\u00eb shkurt\u00ebr t\u00eb vitit (8 or\u00eb e 50 minuta, m\u00eb 21 qershor), nevojiten 17,40 watt-or\u00eb kapacitete ruajtjeje, nd\u00ebrsa gjat\u00eb nat\u00ebs m\u00eb t\u00eb gjat\u00eb (14 or\u00eb e 49 minuta, m\u00eb 21 dhjetor) nevojiten 29,19 Wh.<\/p>\n
\"Nj\u00eb
\n
\nDuke qen\u00eb se baterit\u00eb me plumb-acid nuk duhet t\u00eb shkarkohen n\u00ebn gjysm\u00ebn e kapacitetit, serveri ka nevoj\u00eb p\u00ebr nj\u00eb bateri me 60 Wh p\u00ebr t\u00eb kaluar nat\u00ebn m\u00eb t\u00eb gjat\u00eb, n\u00eb kushtet optimale t\u00eb ndri\u00e7imit n\u00eb dit\u00eb (2\u00d729,19 Wh). Pjes\u00ebn m\u00eb t\u00eb madhe t\u00eb vitit, sistemi punoi me nj\u00eb bateri 86,4 Wh dhe nj\u00eb panel solar 50-watt, duke arritur k\u00ebshtu at\u00eb koh\u00eb funksionimi 95-98%.<\/p>\n
Koha e funksionimit 100%<\/h1>\n
\nP\u00ebr t\u00eb arritur nj\u00eb koh\u00eb funksionimi 100%, duhet t\u00eb rritet kapaciteti i baterive. P\u00ebr t\u00eb kompensuar nj\u00eb dit\u00eb t\u00eb motit shum\u00eb t\u00eb keq (pa gjenerim t\u00eb r\u00ebnd\u00ebsish\u00ebm t\u00eb energjis\u00eb), nevojiten 47,28 watt-or\u00eb (24 or\u00eb \u00d7 1,97 watt) ruajtje.<\/p>\n
Nga 1 dhjetori 2019 deri m\u00eb 12 janar 2020, sistemi ka instaluar nj\u00eb bateri me 168 vat, e cila ka kapacitet praktik p\u00ebr ruajtje prej 84 vat-or\u00eb. Ky kapacitet mjafton p\u00ebr t\u00eb mbajtur faqen e internetit n\u00eb funksionim p\u00ebr dy net\u00eb dhe nj\u00eb dit\u00eb. Konfigurimi u testua n\u00eb periudh\u00ebn m\u00eb t\u00eb err\u00ebt t\u00eb vitit, por moti ishte relativisht i mir\u00eb - dhe p\u00ebr periudh\u00ebn e caktuar, koha e pun\u00ebs pa ndales\u00eb arriti n\u00eb 100%.<\/p>\n
Por p\u00ebr t\u00eb garantuar nj\u00eb uptime 100% p\u00ebr disa vite, duhet t\u00eb parashikohet edhe skenari m\u00eb i keq, kur moti i keq vazhdon p\u00ebr disa dit\u00eb. Llogaritjet tregojn\u00eb: p\u00ebr t\u00eb mbajtur faqen online p\u00ebr kat\u00ebr dit\u00eb me gjenerim t\u00eb ul\u00ebt ose zero energjie, do t\u00eb nevojitet nj\u00eb bateri plumb-acid me kapacitet prej 440 vat-or\u00ebsh, pra e nj\u00ebjt\u00eb me at\u00eb t\u00eb baterive t\u00eb automobileve.<\/p>\n
N\u00eb praktik\u00eb, n\u00eb mot t\u00eb mir\u00eb, nj\u00eb bateri plumb-acid me kapacitet 48 vat-or\u00eb do t\u00eb mbaj\u00eb n\u00eb pun\u00eb serverin gjat\u00eb nat\u00ebs nga marsi deri n\u00eb shtator. Nj\u00eb bateri 24 vat-or\u00eb do ta mbaj\u00eb serverin p\u00ebr maksimumi 6 or\u00eb, dometh\u00ebn\u00eb do t\u00eb fiket \u00e7do nat\u00eb, megjithat\u00eb n\u00eb koh\u00eb t\u00eb ndryshme, n\u00eb var\u00ebsi t\u00eb muajit.<\/p>\n
N\u00eb thelb, disa faqe interneti nuk \u00ebsht\u00eb e nevojshme t\u00eb punojn\u00eb gjat\u00eb nat\u00ebs, kur numri i vizitor\u00ebve \u00ebsht\u00eb minimal, thon\u00eb djemt\u00eb nga Low-tech Magazine. P\u00ebr shembull, n\u00ebse \u00ebsht\u00eb nj\u00eb botim lokal qytetar, n\u00eb t\u00eb cilin nuk hyjn\u00eb vizitor\u00eb nga zona t\u00eb tjera kohore, por vet\u00ebm banor\u00ebt vendor\u00eb.<\/p>\n
Pra, p\u00ebr faqe interneti me trafikun dhe uptime t\u00eb ndrysh\u00ebm, nevojiten bateri me kapacitet t\u00eb ndrysh\u00ebm dhe panele diellore t\u00eb ndryshme n\u00eb madh\u00ebsi.<\/p>\n
\"Nj\u00eb
\n
\n\"Nj\u00eb
\n
\nAutori jep llogaritjen se sa energji nevojitet p\u00ebr prodhimin<\/i> e paneleve diellore vet\u00eb (energji e futur) dhe sa p\u00ebrftohet, n\u00ebse e ndajm\u00eb k\u00ebt\u00eb sasi me jet\u00ebn e pritur sh\u00ebrbimi prej 10 vitesh.<\/p>\n
\"Nj\u00eb
\n
\nK\u00ebshtu, mund t\u00eb llogaritet nj\u00eb ekuivalent i karburanteve fosile q\u00eb \u00ebsht\u00eb harxhuar p\u00ebr prodhim dhe funksionim t\u00eb paneleve. Low-tech Magazine ka arritur n\u00eb p\u00ebrfundimin se gjat\u00eb vitit t\u00eb par\u00eb t\u00eb funksionimit, sistemi i tyre (panel 50 vat, bateri 86,4 vat-or\u00eb) \"ka gjeneruar\" rreth 9 kg emetime ose ekuivalentin e djegies s\u00eb 3 litra benzin\u00eb: p\u00ebraf\u00ebrsisht kaq shum\u00eb sa nj\u00eb automjet i vog\u00ebl n\u00eb 50 km distanc\u00eb.<\/p>\n
\"Nj\u00eb
\n
\nN\u00ebse furnizoni serverin jo nga panelet diellore, por nga rrjeti i p\u00ebrgjithsh\u00ebm energjetik, ekvivalenti i emetimeve rezulton t\u00eb jet\u00eb rreth gjasht\u00eb her\u00eb m\u00eb i ul\u00ebt: 1,54 kg (n\u00eb energjin\u00eb spanjolle, pjesa e energjis\u00eb alternative dhe e energjis\u00eb b\u00ebrthamore \u00ebsht\u00eb e lart\u00eb). Por kjo nuk \u00ebsht\u00eb nj\u00eb krahasim krejt\u00ebsisht korrekt, thot\u00eb autori, sepse merr parasysh energjin\u00eb e p\u00ebrfshir\u00eb t\u00eb infrastruktur\u00ebs diellore, por nuk e merr parasysh k\u00ebt\u00eb tregues p\u00ebr rrjetin e p\u00ebrgjithsh\u00ebm energjetik, do thot\u00eb kostoja p\u00ebr nd\u00ebrtimin dhe mbajtjen e tij.<\/p>\n
P\u00ebrmir\u00ebsime t\u00eb m\u00ebtejshme<\/h1>\n
\nGjat\u00eb koh\u00ebs s\u00eb kaluar jan\u00eb b\u00ebr\u00eb nj\u00eb s\u00ebr\u00eb optimizimesh, t\u00eb cilat kan\u00eb ulur konsumimin e energjis\u00eb s\u00eb serverit. P\u00ebr shembull, nj\u00ebher\u00eb zhvilluesi vuri re se 6,63 TB nga nj\u00eb total prej 11,15 TB t\u00eb trafikut prodhohet nga nj\u00eb implementim t\u00eb gabuar t\u00eb RSS-feed-it, i cili merrte p\u00ebrmbajtje \u00e7do disa minuta. Pas rregullimit t\u00eb k\u00ebtij gabimi, konsumimi i energjis\u00eb s\u00eb serverit (pa marr\u00eb parasysh humbjet e energjis\u00eb) ra nga 1,14 W n\u00eb rreth 0,95 W. Fitimi mund t\u00eb duket i vog\u00ebl, por ndryshimi prej 0,19 W do t\u00eb thot\u00eb 4,56 vat-or\u00eb p\u00ebr dit\u00eb, q\u00eb korrespondon me m\u00eb shum\u00eb se 2,5 or\u00eb pun\u00eb autonome t\u00eb serverit.<\/p>\n
Gjat\u00eb vitit t\u00eb par\u00eb efikasiteti ishte vet\u00ebm 50%. Humbjet kan\u00eb ndodhur gjat\u00eb karikimit dhe shkarkimit t\u00eb bateris\u00eb (22%), si dhe gjat\u00eb konvertimit t\u00eb tensionit nga 12 V (sistemi fotovoltaik diellor) n\u00eb 5 V (USB), ku humbjet arrijn\u00eb deri n\u00eb 28%. Zhvilluesi pranon se ka nj\u00eb konvertues tensioni jo optimal (kontrollues pa USB t\u00eb integruar), prandaj mund t\u00eb optimizohet ky moment ose t\u00eb kaloj\u00eb n\u00eb nj\u00eb instalim diellor 5V.<\/p>\n
P\u00ebr t\u00eb rritur efikasitetin e ruajtjes s\u00eb energjis\u00eb, mund t\u00eb z\u00ebvend\u00ebsohen baterit\u00eb plumb-acide me bateri litiumi m\u00eb t\u00eb shtrenjta, t\u00eb cilat kan\u00eb humbje m\u00eb t\u00eb vogla t\u00eb karikimit\/shkarkimit (<10%). Aktualisht, konstruktori po shqyrton nj\u00eb sistem kompakt t\u00eb ruajtjes s\u00eb energjis\u00eb elektrike n\u00eb form\u00ebn e ajrit t\u00eb shtypur<\/a><\/noindex> (CAES), i cili ka nj\u00eb jet\u00ebgjat\u00ebsi prej disa dekadash, q\u00eb do t\u00eb thot\u00eb nj\u00eb 'at\u00eb t\u00eb karbonit' m\u00eb t\u00eb ul\u00ebt n\u00eb prodhimin e tij.<\/p>\n
\"Nj\u00eb
\nBateria kompakte e energjis\u00eb me ajrin e shtypur, burimi<\/a><\/noindex><\/i><\/p>\n
Po shqyrtohet instalimi i nj\u00eb turbin\u00eb shtes\u00eb t\u00eb er\u00ebs (e cila mund t\u00eb p\u00ebrshtatet nga druri<\/a><\/noindex>) dhe instalimi i nj\u00eb ndjek\u00ebsi diellor p\u00ebr t\u00eb kthyer panelin drejt diellit. Ndjek\u00ebsi lejon rritjen e prodhimit t\u00eb energjis\u00eb elektrike me 30%.<\/p>\n
\"Nj\u00eb
\n
\nNj\u00eb tjet\u00ebr m\u00ebnyr\u00eb p\u00ebr t\u00eb rritur efikasitetin e sistemit \u00ebsht\u00eb shkall\u00ebzimi i tij. T\u00eb ngrem\u00eb m\u00eb shum\u00eb faqe n\u00eb nj\u00eb server dhe t\u00eb drejtojm\u00eb m\u00eb shum\u00eb server\u00eb. K\u00ebshtu, do t\u00eb ulet konsumimi i energjis\u00eb p\u00ebr \u00e7do faqe.<\/p>\n
\"Nj\u00eb
\nKompania e hostimit diellor. Ilustrim: Diego Marmolejo<\/i><\/p>\n
N\u00ebse mbuloni t\u00eb gjith\u00eb ballkonin e apartamentit me panele diellore dhe hapni nj\u00eb kompani t\u00eb hostimit t\u00eb ueb-it diellor, kostot p\u00ebr secilin klient do t\u00eb jen\u00eb shum\u00eb m\u00eb t\u00eb ul\u00ebta se p\u00ebr nj\u00eb faqe t\u00eb vetme: kursim nga shkalla.<\/p>\n
N\u00eb p\u00ebrgjith\u00ebsi, ky eksperiment demonstroi se, n\u00ebn disa kufizime, infrastruktura kompjuterike mund t\u00eb funksionoj\u00eb plot\u00ebsisht me burime energjie rinovueshme.<\/p>\n
Teorikisht, nj\u00eb server i till\u00eb mund t\u00eb kaloj\u00eb madje pa nj\u00eb akumulator, n\u00ebse e pasqyrojm\u00eb at\u00eb n\u00eb pjes\u00eb t\u00eb tjera t\u00eb bot\u00ebs. P\u00ebr shembull, t\u00eb vendosim pasqyra n\u00eb Zeland\u00ebn e Re dhe \u00c7ili. Atje, panelet diellore do t\u00eb funksionojn\u00eb kur n\u00eb Barcelon\u00eb \u00ebsht\u00eb nat\u00eb.
\n
Burimi: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u041f\u0435\u0440\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u0441\u043e\u043b\u043d\u0435\u0447\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u043c \u0437\u0430\u0440\u044f\u0434\u0430. \u0424\u043e\u0442\u043e: solar.lowtechmagazine.com \u0412 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u0435 2018 \u0433\u043e\u0434\u0443 \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442 \u0438\u0437 Low-tech Magazine \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043b \u043f\u0440\u043e\u0435\u043a\u0442 \u00ab\u043d\u0438\u0437\u043a\u043e\u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0433\u043e\u00bb \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0417\u0430\u0434\u0430\u0447\u0430 \u0431\u044b\u043b\u0430 \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u044d\u043d\u0435\u0440\u0433\u043e\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043a\u043e, \u0447\u0442\u043e\u0431\u044b \u0434\u043e\u043c\u0430\u0448\u043d\u0435\u043c\u0443 self-hosted \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u0445\u0432\u0430\u0442\u0430\u043b\u043e \u043e\u0434\u043d\u043e\u0439 \u0441\u043e\u043b\u043d\u0435\u0447\u043d\u043e\u0439 \u043f\u0430\u043d\u0435\u043b\u0438. \u042d\u0442\u043e \u043d\u0435\u043f\u0440\u043e\u0441\u0442\u043e, \u0432\u0435\u0434\u044c \u0441\u0430\u0439\u0442 \u0434\u043e\u043b\u0436\u0435\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c 24 \u0447\u0430\u0441\u0430 \u0432 \u0441\u0443\u0442\u043a\u0438. \u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c, \u0447\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c \u0432 \u0438\u0442\u043e\u0433\u0435. \u041c\u043e\u0436\u0435\u0442\u0435 \u0437\u0430\u0439\u0442\u0438 \u043d\u0430 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