Iphinde ikhiqize amandla elanga.Kungani ukukhiqizwa kwamandla ashisayo elanga kuhlale “kungaziwa”?

Phakathi kwemithombo yamandla ahlanzekile eyaziwayo, amandla elanga ngokungangabazeki angamandla avuselelekayo angathuthukiswa futhi anawo amakhulu kunawo wonke.

izinqolobane emhlabeni.Uma kuziwa ekusetshenzisweni kwamandla elanga, uzoqala ucabange nge-photovoltaic power generation.Phela singakwazi

bona izimoto zelanga, amashaja kagesi welanga nezinye izinto ekuphileni kwethu kwansuku zonke.Eqinisweni, kunenye indlela yokusebenzisa amandla elanga, ukushisa kwelanga

ukukhiqiza amandla.

 

Qonda ukukhanya nokushisa, khumbula ukukhanya nokushisa

Ukukhiqiza amandla e-Photovoltaic kanye nokukhiqiza amandla e-photothermal konke kusebenzisa amandla elanga ukukhiqiza amandla.Umehluko wukuthi

isimiso sokusebenzisa sihlukile.

 

Umphumela we-Photovoltaic uyisisekelo esiyisisekelo sokukhiqizwa kwamandla elanga le-photovoltaic, futhi amaseli elanga angumthwali wokuqedela ukuguqulwa.

kwamandla elanga kuya kumandla kagesi.I-Solar cell iwumsebenzi wesemiconductor equkethe ukuhlangana kwe-PN.I-PN junction ingakwazi ukumunca ukukhanya kwelanga futhi

sungula inkambu kagesi ngaphakathi.Uma umthwalo othile uxhunywe ezinhlangothini zombili zensimu kagesi, okwamanje kuzokwenziwa emthwalweni.

Yonke le nqubo iyisimiso esiyisisekelo sokukhiqiza amandla e-solar photovoltaic.

 

Umgomo wokukhiqiza amandla ashisayo elanga ukugxilisa ukukhanya kwelanga kumqoqi welanga ngokusebenzisa i-reflector, sebenzisa i-solar.

amandla okushisa indawo yokudlulisa ukushisa (uketshezi noma igesi) kuqoqo, bese ushisisa amanzi ukuze enze isitimu ukushayela noma ukushayela ngokuqondile

i-generator ukukhiqiza ugesi.

 

Kafushane, ukukhiqizwa kwamandla ashisayo elanga kuhlukaniswe izingxenye ezintathu: ingxenye yokuqoqwa kokushisa, kusetshenziswa amandla elanga ukushisisa ukuqhutshwa kokushisa.

medium, futhi ekugcineni ukushayela injini ukukhiqiza amandla ngokusebenzisa ukushisa conduction medium.Kusixhumanisi ngasinye, kunezindlela ezahlukahlukene zokuthi

ngokwesayensi zama ukwakha umklamo ofanele.Isibonelo, kunezinhlobo ezine ngokuyinhloko zezixhumanisi zokuqoqa ukushisa: uhlobo lwe-slot, uhlobo lombhoshongo, isitsha

uhlobo kanye nohlobo lwe-Nefel;Ngokuvamile, amanzi, amafutha amaminerali noma usawoti oncibilikisiwe asetshenziswa njengendlela yokusebenza yokushisa;Ekugcineni, amandla angaba

ekhiqizwa ngomjikelezo we-steam Rankine, umjikelezo we-CO2 Brayton noma injini ye-Stirling.

 

Pho kusebenza kanjani ukukhiqizwa kwamandla ashisayo elanga?Sizosebenzisa iphrojekthi yokubonisa eseyenziwe ukuze sichaze kabanzi.

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Okokuqala, isitshalo samandla elanga siqukethe ama-heliostats.I-heliostat ilawulwa yikhompyutha futhi izungeza nelanga.Ingabonakalisa ukukhanya kwelanga kwe

usuku ukuya endaweni emaphakathi.I-heliostat ihlanganisa indawo encane, ingabekwa ngokwehlukana, futhi ingakwazi ukujwayela indawo ngaphandle kwesisekelo esijulile.

Isikhungo samandla sihlanganisa amakhulukhulu ama-heliostat, angaxhunywa komunye nomunye nge-WIFI ukuze kuthuthukiswe ukusebenza kahle, ukugxilisa ukukhanya kwelanga.

ukuboniswa kwesishintshi sokushisa esikhulu esibizwa ngokuthi isamukeli esingaphezulu kombhoshongo.

 

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Kusamukeli, uketshezi lukasawoti oluncibilikisiwe lungamunca ukushisa okunqwabelene ekukhanyeni kwelanga lapha ngodonga olungaphandle lwepayipi.Kulobu buchwepheshe,

usawoti oncibilikisiwe ungashiswa usuka ku-500 degrees Fahrenheit uye ngaphezu kuka-1000 degrees Fahrenheit.Usawoti oncibilikisiwe uyindlela ekahle emunca ukushisa

ngoba ingagcina izinga lokushisa elibanzi elisebenzayo esimweni esincibilikisiwe, okuvumela uhlelo ukuthi luzuze amandla amahle kakhulu naphephile

ukumuncwa nokugcinwa ngaphansi kwezimo zengcindezi ephansi.

 

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Ngemva kokudlula esitokisini sokushisa, usawoti oncibilikisiwe wehlela phansi eduze kwamapayipi asembhoshongweni bese ungena ethangini lokugcina ukushisa.

 

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Ngemva kwalokho, amandla agcinwa esimweni sokushisa okuphezulu kukasawoti oncibilikisiwe ukuze asetshenziswe ezimweni eziphuthumayo.Inzuzo yalobu buchwepheshe yilolo ketshezi

usawoti oncibilikisiwe awukwazi ukuqoqa amandla kuphela, kodwa futhi uhlukanise ukuqoqwa kwamandla kusuka ekukhiqizeni amandla.

 

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Lapho ugesi udingeka emini noma ebusuku, amanzi kanye nezinga lokushisa eliphezulu kuncibilika usawoti ethangini lamanzi ngokulandelana

i-steam generator ukukhiqiza umusi.

 

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Uma usawoti oncibilikisiwe ususetshenziselwa ukwenza isitimu, usawoti oncibilikisiwe opholile uyapholiswa ubuyele ethangini lokugcina ngepayipi, bese ugeleza ubuyele emuva

isibambisi sokushisa futhi, futhi sishiswa kabusha njengoba inqubo iqhubeka.

 

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Ngemva kokushayela i-turbine, isitimu sizofinyezwa futhi sibuyiselwe ethangini lokugcina amanzi, elizobuyela ku-generator yesitimu uma kudingeka.

 

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Isitimu esishisa kakhulu esinjalo sishayela i-steam turbine ukuthi isebenze kahle kakhulu, ukuze ikhiqize okuthembekile nokuqhubekayo.

amandla ngesikhathi sokufunwa kwamandla aphezulu.Inqubo yokukhiqiza isitimu ifana naleyo yamandla ashisayo avamile noma ezitshalweni zamandla enuzi,

ngomehluko wokuthi ivuseleleka ngokuphelele futhi ayinayo imfucuza kanye nesisi esiyingozi.Ngisho nangemva kokumnyama, imboni yamandla isengakwazi ukunikeza

amandla athembekile avela kumandla elanga avuselelekayo ngokufunwa.

 

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Okungenhla iyonke inqubo yokusebenza yeqembu lamasistimu okukhiqiza amandla ashisayo elanga.Ingabe unayo ukuqonda okujulile solar

ukukhiqiza amandla ashisayo?

Ngakho-ke, iphinde ikhiqize amandla elanga.Kungani ukukhiqizwa kwamandla ashisayo elanga kuhlale “kungaziwa”?Isizukulwane samandla ashisayo elanga sinokuthile

inani lokuhlola emphakathini wesayensi.Kungani ingasetshenziswa kakhulu ekuphileni komuntu kwansuku zonke?

 

I-Photothermal power generation vs i-photovoltaic power generation, yikuphi okungcono?

Ukusetshenziswa kohlobo olufanayo lwamandla kuye kwakhiqiza ukuhlobana okuhlukile, okungenakuhlukaniswa nezinzuzo nezinkinga ze-solar.

ukukhiqizwa kwamandla ashisayo kanye nokukhiqiza amandla e-photovoltaic.

 

Ngokombono wokuqoqwa kokushisa, ukukhiqizwa kwamandla ashisayo elanga kudinga indawo ephakeme yesicelo kune-photovoltaic power generation.

Isizukulwane samandla e-Photothermal, njengoba negama laso lisho, sithatha ukushisa njengendinganiso futhi sidinga ukushisa okuphezulu kwemisebe, kuyilapho i-photovoltaic

ukukhiqizwa kwamandla ngokuvamile akunazo izidingo eziphezulu kangako zokushisa.Ukuqina kwemisebe yelanga endaweni esihlala kuyo akwanele

ukwakhiwa kwezitshalo zamandla ashisayo elanga.Ngakho-ke, ekuphileni kwethu kwansuku zonke, asijwayele ukukhiqiza amandla ashisayo elanga.

 

Uma kubhekwa isici se-heat conduction medium, usawoti oncibilikisiwe nezinye izinto ezisetshenziswa ekukhiqizeni amandla e-photothermal

ephakeme kunezindleko eziphakeme kanye nokuphila okuphansi kwamaseli we-photovoltaic ngenxa yezindleko zabo eziphansi, inani eliphakeme kanye nokusetshenziswa okuqhubekayo.Ngakho-ke, amandla

amandla okugcina amandla okukhiqiza amandla e-photothermal aphezulu kakhulu kunalawo okukhiqiza amandla e-photovoltaic.Ngesikhathi esifanayo, ngenxa yezinkinga

umphumela omuhle wokugcina amandla, ukukhiqizwa kwamandla ashisayo elanga ngeke kuthinteke kakhulu isimo sezulu kanye nezici zemvelo lapho kuxhunywe kukho

igridi, futhi impendulo yayo ekuguquguqukeni komthwalo wegridi izoba phansi.Ngakho-ke, mayelana nokuhleleka kokukhiqiza amandla, amandla okushisa elanga

isizukulwane singcono kune-photovoltaic power generation.

 

Uma kucatshangelwa isixhumanisi sokukhiqiza ukushisa okuphakathi kokushayela injini yokukhiqiza amandla, ukukhiqizwa kwamandla we-photovoltaic kudinga kuphela

ukuguqulwa kwe-photoelectric, kuyilapho ukukhiqizwa kwamandla we-photothermal kudinga ukuguqulwa kwe-photothermal ngemva kokuguqulwa kwe-photoelectric, ngakho-ke

kubonakale ukuthi izinyathelo zokuphehla amandla e-photothermal ziyinkimbinkimbi kakhulu.

 

Kodwa-ke, isixhumanisi esisodwa esengeziwe sokukhiqiza amandla ashisayo elanga singasetshenziswa kwezinye izici.Isibonelo, ukushisa okukhiqizwa yi-solar

ukukhiqizwa kwamandla ashisayo kunganciphisa ubusawoti bamanzi olwandle, kukhiphe usawoti emanzini olwandle, futhi kungasetshenziswa nasekukhiqizeni izimboni.Lokhu

ikhombisa ukuthi ukukhiqizwa kwamandla e-photothermal kusetshenziswa kakhulu kune-photovoltaic power generation.

 

Kepha ngasikhathi sinye, lapho isixhumanisi sikhona, lapho izidingo zokwenza kahle isayensi nobuchwepheshe zizoba phezulu, futhi

kuzoba nzima kakhulu ukukusebenzisa emkhakheni wangempela wobunjiniyela.Ukukhiqiza amandla e-Photothermal kunzima kakhulu kune-photovoltaic

ukukhiqiza amandla, kanye nocwaningo kanye nokuthuthukiswa kwe-photothermal power generation yaseChina iqala kamuva kunamandla e-photovoltaic

isizukulwane.Ngakho-ke, ubuchwepheshe bokukhiqiza amandla e-photothermal busalungiswa.

 

Amandla elanga ayindlela ephumelela kakhulu yokuxazulula izinkinga zamanje zamandla, izinsiza kanye nemvelo.Njengoba amandla elanga atholakala

ukusetshenziswa, ukwenzeka kokuntuleka kwamandla kuye kwadanjiswa ngezinga elithile.Izinzuzo kanye nezici zamandla elanga

yenze ingakwazi ukubuyiseleka emikhakheni eminingi yamandla.

 

Njengezindlela ezimbili eziyinhloko zokusebenzisa amandla elanga, ubuchwepheshe bokukhiqiza amandla elanga ashisayo kanye nobuchwepheshe bokukhiqiza amandla elanga we-photovoltaic

zinezinzuzo ezahlukene kanye nezinkambu zohlelo lokusebenza, futhi zinezinzuzo zazo kanye namathemba okuthuthukiswa.Lapho ukukhiqizwa kwamandla elanga

ithuthuka kahle, kufanele kube khona kokubili uhlelo lokuphehla amandla elanga ashisayo kanye nohlelo lokukhiqiza amandla e-photovoltaic.Esikhathini eside

gijima, kokubili kuyahambisana.

 

Nakuba ubuchwepheshe bokukhiqiza amandla ashisayo elanga bungaziwa ngenxa yezizathu ezithile, kuyisinqumo esingcono kakhulu ngokwezindleko,

ukusetshenziswa kwamandla, ububanzi bohlelo kanye nesimo sokugcina.Sinesizathu sokukholelwa ukuthi ngolunye usuku, kokubili i-solar photovoltaic power generation

ubuchwepheshe kanye nobuchwepheshe bokuphehla amandla elanga ashisayo kuzoba insika yentuthuko esimeme, ehlelekile futhi ezinzile

isayensi yabantu nobuchwepheshe.

 


Isikhathi sokuthumela: Nov-08-2022