Tsibirin da Shafukan Nesa: Yin Lambobi Lokacin da Diesel Ba Zai Iya Tashi Tudu ba

Labari

Yuni 16, 2020

A wurare masu nisa a cikin Maluku, Palawan da Sabah, dizal da aka kawo zai iya ninka sau da yawa farashin famfo. Da zarar an haɗa sufuri, sarrafawa, asara, sata da kula da janareta, farashin kowace kWh na kaya da aka yi aiki a kowace shekara yana samar da amsa mai ma'ana - kuma yana nuna daidai inda gubar-carbon da lithium kowane nasara.

Abin da Dizal Genset Haƙiƙa Yayi tsada akan Tsibiri

Wurare masu nisa a tsibirin Maluku na Indonesiya, Papua da Sulawesi na waje, a cikin Palawan da tsaunukan Mindanao na Philippines, da cikin cikin Sabah da Sarawak suna raba dukiya guda ɗaya: grid ko dai babu shi ko yana zuwa na sa'o'i kaɗan kawai a rana. Ajiyayyen a waɗannan rukunin yanar gizon ba kwata-kwata ba ne - shine na farko da ake samarwa, kuma injin ɗin diesel yana aiki da sa'o'i takwas zuwa ashirin a rana. A wannan lokacin farashin igiyar baturi ba shi da mahimmanci; abin da ke da mahimmanci shine farashin kowace kWh na kaya da aka yi aiki a kowace shekara. Farashin dizal ɗin da aka kawo yana da abubuwa biyar: farashin famfo, jigilar kaya zuwa jetty, jigilar ƙafa ta biyu daga jetty zuwa wuri (kwale-kwale, babur, ɗaukar hoto), asarar ajiyar ajiya da sata, da kulawa da janareta da sake gyarawa ta hanyar sa'a mai gudu. A wuraren tudu da ke buƙatar ɗaukar kaya, ƙafa na biyu kaɗai na iya zama sau ɗaya zuwa biyu na farashin mai; ƙara sabis kowane sa'o'i 500 da sake gyara kowane sa'o'i 5,000 kuma hanyar dizal yawanci tana biyan kuɗin dizal sau biyu zuwa huɗu a kowace kWh. Kuma wannan lambar tana motsawa tare da farashin man fetur da ƙarfin kayan aiki - masu canji babu mai sarrafawa.

Maida Farashin Baturi zuwa Farashin kowace shekara kWh

Kwatancen baturi bashi da ma'ana sai dai idan an canza shi zuwa tushen gama gari. Madaidaicin ƙididdigar ƙididdiga ta ƙididdige farashin siyan, adadin masu maye gurbin a cikin rayuwar sabis, jigilar kaya da aiki don kowane canji, da farashin makamashi na caji / hasarar fitarwa, sannan rarraba ta hanyar ƙididdige ƙarfin aiki × zurfin fitarwa × shekaru na hawan keke, yana ba da farashi a kowace kWh-shekara. Ɗauki kirtani na 48V/100Ah mai ƙima 4.8 kWh: a 50% zurfin fitarwa kawai 2.4 kWh yana da amfani, kuma a kan sake zagayowar yau da kullun cewa 2.4 kWh dole ne ya ɗauki kwanaki 365. Idan an maye gurbin kirtani kowace shekara uku, duk sayayya uku suna ƙidaya - ba kawai na farko ba. Wannan mataki guda ɗaya yana fallasa kurakuran gama gari guda biyu: ɗaukar ƙimar ƙima a matsayin ƙarfin aiki, da ɗaukar rayuwar ƙira azaman rayuwar zagayowar. Karkashin hawan keke na yau da kullun, baturi da aka ƙididdige shekaru goma sha biyu na sabis na iyo zai iya isar da kekuna 300 zuwa 500 kawai - ya gaji a cikin shekara guda.

Me yasa Lead-Carbon ya dace da hawan keke na yau da kullun

Karkashin sake zagayowar caji guda ɗaya a rana tare da dogon lokaci a yanayin cajin, AGM na yau da kullun yana kasawa a bayyane: sulphates sulphates mara kyau cikin sauri a cikin PSoC, yana samar da lu'ulu'u masu yawa na gubar sulphate waɗanda ƙarfin cajin al'ada ba zai iya ragewa ba, don haka ƙarfin yana ɓacewa har abada. Lead-carbon yana magance wannan kai tsaye ta hanyar ƙara carbon da aka kunna zuwa farantin mara kyau, ƙirƙirar haɗin capacitive da injin lantarki na lantarki don haka cajin halin yanzu ya fi dacewa da ɗaukar hanyar capacitive kuma sulphate baya haɓaka saman farantin. Jerin LLC (300-1,000Ah, samfura shida, 2V) yana amfani da fasahar ƙarfin gubar-carbon tare da sau huɗu zuwa sau biyar rayuwar sake zagayowar samfuran na yau da kullun a cikin aikin PSoC, kusan 30% mafi kyawun karɓar cajin, da rayuwar ƙirar shekaru ashirin. Ga wuraren tsibirin cajin 30% cikin sauri zai iya zama mahimmanci fiye da rayuwar sake zagayowar: janareta yana aiki ne kawai 'yan sa'o'i a rana, cajin taga gajere ne, kuma karɓar cajin yana ƙayyade adadin kuzarin da ake samu kowace rana - don haka ko rukunin yanar gizon ya tsira har zuwa lokacin samar da na gaba.

Lokacin Lithium Shine Amsar Dama

Lithium ba ingantaccen gubar-carbon ba; iyakacin aiki daban ne. Tsarin 48V LiFePO4 (jerin SDA10, 50-200Ah, samfura huɗu) suna ba da ci gaba da fitarwa na 1C da rayuwa mai tsayi sosai a kashi ɗaya bisa uku zuwa ɗaya rabin girma da nauyin daidaitaccen ƙarfin gubar-acid. Yanayi uku sun fi son lithium: wuraren da ke da takurewar sarari ko lodin bene, kamar ƙananan kabad da aka ɗora a kan dandamalin hasumiya inda gubar-acid kawai ba zai dace ba; aikace-aikacen da ke buƙatar babban halin yanzu na yanzu, inda 1C ke nufin kirtani 100Ah na iya sadar da 100A gabaɗaya, wanda gubar-acid ba zai iya yin girma iri ɗaya ba; da kuma shafukan da ke da rayuwar sabis fiye da shekaru goma da tsadar sufuri sosai, inda farashin farko ya ƙare ta hanyar maye gurbin biyu da aka guje wa. Sabanin haka, a wuraren da zafin jiki na yanayi ke tsayawa sama da 45°C ba tare da kula da yanayin zafi ba, fa'idar rayuwar lithium tana raguwa sosai kuma juriyar zafin gubar-carbon ya fi dogaro. Gwajin ba wace fasaha ce ta ci gaba ba, amma wanne daga cikin ukun - bayanin yanayin zafin jiki, mitar keke, farashin sufuri - ya fi tsada a wannan rukunin.

Uku Hybrid Topologies

Shafukan tsibirin kusan ba su taɓa gudana akan tushe guda ɗaya ba, kuma zaɓin topology yana ƙayyadad da ingancin gaba ɗaya. Na farko shi ne dizal-primary tare da buffer baturi: janareta yana aiki da lodi kuma baturin yana rufe gibin canji da rufewar dare. Mafi ƙanƙancin farashin sake fasalin, ya dace da ƙananan lodi inda mai zai iya aiki amma grid ɗin ba ya nan gaba ɗaya. Na biyu shine hasken rana da baturi tare da jiran aiki na dizal: PV yana ɗaukar kaya yana cajin baturi da rana, baturi yana fitowa da daddare, kuma dizal yana farawa ne kawai bayan tsawan lokaci mai yawa ko ƙarancin baturi. Sa'o'in tafiyar dizal na iya faɗuwa ƙasa da biyu a rana tare da mafi girman tanadin mai, amma yana buƙatar isassun yanki mai tsari da kariyar ƙura. Na uku shine cikakken sabunta hasken rana da baturi tare da ƙaramin daidaitawar iska, mai yuwuwa ne kawai inda saurin iskar shekara ya tsaya tsayin daka kuma kaya yayi ƙanƙanta - na iyakantaccen aiki a bel ɗin damina ta kudu maso gabashin Asiya. Abin da duka ukun ke raba shi ne cewa baturin yana motsawa daga jiran aiki zuwa babban mai motsi na keke na yau da kullun, don haka rayuwar sake zagayowar, karɓar cajin da yanayin zafin jiki na yanke shawarar tattalin arzikin tsarin - ba ingantaccen janareta ba.

Girman Batir a Tsarin Haɓakawa

Ƙarfin baturi a cikin tsarin matasan dole ne a girma zuwa mafi tsayin lokaci ba tare da caji ba, ba zuwa sa'o'i na ajiya ba - kuma amsoshin biyu na iya bambanta da kashi biyu. Lissafi yana da matakai hudu. Na farko, amfani da makamashi na yau da kullun: kaya a cikin kW × 24 hours, lura cewa nauyin dare da rana yakan bambanta kuma ya kamata a lissafta daban sannan a tara. Na biyu, mafi dadewa a jere: kwanaki biyu zuwa uku a cikin bel ɗin damina ta kudu maso gabashin Asiya, tare da uku masu ra'ayin mazan jiya; Tsaunukan Gabashin Afirka suna nuna ƙarin canjin gajimare, don haka ƙara rana ɗaya. Na uku, buƙatun ƙarfin aiki mai amfani = amfani na yau da kullun × kwanakin da ba a iya jurewa ÷ da izinin zurfin fitarwa, ɗaukar DOD a 70%. Na hudu, yi amfani da zafin jiki da gyaran tsufa, yawanci ×1.15 zuwa ×1.25. Don rukunin yanar gizon da ke cinye 24 kWh a rana, kwanaki uku na cin gashin kai a 70% DOD yana buƙatar kusan 103 kWh mai amfani, ko kusan 124 kWh bayan gyara 20%. Yawanci wannan adadi ya fi girma fiye da lissafin 'kwazo hudu' da ake samarwa, domin biyun suna amsa tambayoyi daban-daban: daya shine abin da za a yi idan rana ba ta bayyana ba har tsawon kwanaki uku, ɗayan kuma shine abin da za a yi yayin fita na sa'o'i hudu. A wurin da ba a buɗe ba na farko kawai yana da ma'ana. Rage girmansa kuma tsarin ya ruguje a farkon tsatsauran ra'ayi - yawanci a wannan lokacin sadarwa tana da mahimmanci; yi masa yawa kuma ana biya har sai aikin ya gaza a kwamitin kasafin kudi. Ɗauki adadi mai ma'ana; kar a rage karfin zuwa kwana biyu don adana jari. View Telecom Backup Power Selection