Kwimeko yotshintsho lwamandla kwihlabathi liphela, amandla avuselelekayo abe yindawo ephambili. Phakathi kwezi mithombo, amandla aphuma emanzini ahlukile ngenxa yeenzuzo zawo ezininzi, ethatha indawo ebalulekileyo kwicandelo lamandla.
1. Imigaqo yokuveliswa kwamandla ombane ngamanzi
Umgaqo osisiseko wokuveliswa kwamandla ombane ngamanzi kukusebenzisa umahluko kumanqanaba amanzi uze uwasebenzise ngeejenereyitha zamanzi ukuvelisa umbane. Ngamafutshane, iguqula amandla anokubakho amanzi abe ngamandla oomatshini aze abe ngamandla ombane. Xa amanzi amaninzi ephuma kwiindawo eziphakamileyo ukuya kwezisezantsi, umbane onamandla uqhuba i-turbine, ethi yona ijikeleze i-generator rotor, inqumle imigca yemagnethi ukuvelisa umbane.
Umzekelo, iThree Gorges Hydropower Station ithintela uMlambo iYangtze ngedama, nto leyo edala umahluko omkhulu kumanqanaba amanzi. Ukuhamba kwamanzi okuqhubekayo kuqhuba iiturbine, nto leyo evumela ukuveliswa kombane omkhulu.
2. Iingenelo zoMbane wamanzi
(1) Indalo Evuselelekayo
Amanzi sisixhobo esijikeleza rhoqo eMhlabeni. Logama nje imitha yelanga kunye nomxhuzulane woMhlaba usekho, umjikelo wamanzi awuzukuphela. Oku kuthetha ukuba imithombo yamanzi exhasa amandla e-hydropower ayinakuphela, ngokungafaniyo namafutha efosili afana namalahle kunye neoyile. Ngoko ke, amandla e-hydropower abonelela ngobonelelo lwamandla oluhlala luhleli kuluntu.
(2) Ucoceko Nokusingqongileyo
Ukuveliswa kwamandla ombane ngamanzi akuvelisi ukukhutshwa kwegesi ezibangela ubushushu okanye kukhuphe ukungcola okufana nomsi kunye ne-sulfur dioxide, nto leyo ebangela impembelelo encinci kwindalo esingqongileyo. Oku kubaluleke kakhulu ekunciphiseni utshintsho lwemozulu kwihlabathi liphela nasekuphuculeni umgangatho wendalo esingqongileyo. Ngokwahlukileyo koko, izitishi zamandla ezisebenzisa amalahle eziqhelekileyo zikhupha isixa esikhulu se-carbon dioxide ngexesha lokutsha, nto leyo ebangela ukuba ukufudumala kwehlabathi kube nzima ngakumbi.
(3) Uzinzo oluPhezulu
Xa kuthelekiswa neminye imithombo yamandla avuselelekayo njengamandla elanga nawomoya, amandla ombane aphuma emanzini akachaphazeleki kangako kukuguquguquka kwendalo. Logama nje ii-reservoirs zinendawo yokugcina amanzi eyaneleyo, ukuveliswa kombane kunokulawulwa ngokuthe chu ukuhlangabezana neemfuno ezahlukeneyo zombane, kubonelela ngenkxaso yamandla ethembekileyo kwiigridi zamandla.
(4) Iingenelo ezininzi ezibanzi
Ngaphaya kokuveliswa kombane, iiprojekthi zamandla ombane aphuma emanzini zikwabonelela ngeenzuzo ezifana nokulawula izikhukula, ukunkcenkceshela, ukuhamba ngenqanawa, kunye nokunikezelwa kwamanzi. Umzekelo, amachibi anokugcina amanzi ngexesha lezikhukula, okunciphisa iingozi zezikhukula ezisezantsi. Ngexesha lembalela, anokukhupha amanzi ukuxhasa ukunkcenkceshela kwezolimo kunye neemfuno zamanzi asekhaya.
3. Imeko yangoku yoPhuhliso lwaMandla oMbane ngamanzi
Okwangoku, amazwe amaninzi kwihlabathi liphela aphuhlisa kwaye asebenzisa izixhobo zamandla ombane ngamanzi. I-China yeyona mveliso inkulu yamandla ombane ngamanzi emhlabeni, kwaye iiprojekthi ezinkulu ezifana neThree Gorges Dam kunye neBaihetan Hydropower Station ziphucula kakhulu isakhiwo samandla sesizwe. Kumazwe ngamazwe, amazwe afana neBrazil neKhanada nawo axhomekeke kakhulu kumandla ombane ngamanzi kumxube wawo wamandla.
Nangona kunjalo, uphuhliso lwamandla ombane asetyenziswa ngamanzi lujongene nemingeni ethile. Kwelinye icala, iiprojekthi ezinkulu zamandla ombane asetyenziswa ngamanzi zifuna utyalo-mali olukhulu lwezemali kunye nexesha elide lokwakha. Kwelinye icala, uphuhliso lwamandla ombane asetyenziswa ngamanzi lunokuchaphazela iinkqubo zendalo, njengokutshintsha iinkqubo zendalo zomlambo kunye nokuchaphazela ukufuduka kweentlanzi. Ke ngoko, kubalulekile ukulinganisela uphuhliso lwamandla ombane asetyenziswa ngamanzi kunye nokukhuselwa kwendalo kunye nokuzinza.
4. Amathemba exesha elizayo oMbane wamanzi
Ngophuhliso oluqhubekayo lwetekhnoloji, ukusebenza kakuhle nokuthembeka kwamandla ombane wamanzi kuya kuphucuka ngakumbi. Uphuhliso lwetekhnoloji entsha yeturbine kunye nokuhlanganiswa kweegridi ezikrelekrele kuya kwenza amandla ombane wamanzi adibane ngcono kwinkqubo yamandla. Ukongeza, iiprojekthi zamandla ombane amancinci nancinci ziya kufumana ingqwalasela engakumbi, zibonelela ngombane osasazwa kwiindawo ezikude kwaye zixhase uphuhliso loqoqosho lwasekuhlaleni kunye nomgangatho wobomi.
Njengomthombo wamandla avuselelekayo onokuthenjwa, amandla aphuma emanzini adlala indima ebalulekileyo ekuhlangabezaneni neemfuno zamandla, ukulwa notshintsho lwemozulu, kunye nokukhuthaza ukukhula koqoqosho. Sifanele sisebenzise izibonelelo zawo kakuhle ngelixa sijongana nemingeni yawo, siqinisekisa uphuhliso oluzinzileyo nolusempilweni lwamandla aphuma emanzini.
Ixesha leposi: Feb-08-2025
