Uphahla lwefekthri entsha yezimboni—kanye nezindleko zayo zikagesi eminyakeni engu-25 ezayo—kunqunywa kakhulu esigabeni sokudweba.
Amaphrojekthi amaningi ezimboni aklama isakhiwo sensimbi kuqala futhi engeza ilanga ngemuva kokuzinza komsebenzi. Kodwa ukulungisa kabusha akukhona nje “ukufaka kamuva”; kungase kubize kakhulu, kuhambe kancane, futhi kuphazamise kakhulu. Idizayini ye-BIPV ehlanganisiwe (building-integrated photovoltaics) ihlanganisa imithwalo yelanga, amaphrofayli ephaneli yophahla, ukufinyelela kokulungisa, kanye nemizila yethreyi lekhebula emidwebeni yokuqala. Izingxenye ezakhiwe embonini zingathatha indawo yokufulela okujwayelekile kwensimbi. Isakhiwo kanye nesistimu yelanga zifakwe ndawonye futhi zingagunyazwa njengephrojekthi eyodwa edidiyelwe.
Lesi sihloko siqhathanisa umklamo odidiyelwe kanye nokubuyisela emuva kwesikhathi kuzo zonke izici zezindleko ezintathu—ukuqinisa, isimiso, nezindleko eziphelele—futhi inikeza uhlaka lwesinqumo lwamaphrojekthi ezimboni.
Kungani Ukubuyisela kabusha ngokuvamile Kubiza Kakhulu
Amaphahla Akhona Angase Angabi Nomthamo Okwanele Womthwalo
Amasistimu elanga asatshalalisiwe ngokuvamile anezela umthwalo ongapheli cishe 15-26 kg/m². Imiklamo yophahla ekhona kungenzeka ukuthi isekelwe kumthwalo obekiwe ongu-0.5 kN/m² ophahleni olungahloselwe ukufinyelela okuvamile. Uma imithwalo yelanga ihlanganiswa namakesi okulayisha umoya neqhwa, uphahla oluningi oludala lunomthamo omncane osele.
Idatha yomlando ecashunwe emthonjeni ikhombisa lokho ngaphansi kuka-50% ophahleni lwensimbi olukhona ludlula isheke lomthwalo wesakhiwo ngaphambi kokufakwa kwelanga. Cishe uhhafu ungase udinge ukuqiniswa ngaphambi kokuthi amamojula afakwe.
Ukuqiniswa Kudla Isabelomali
Uma ukuhlola kubonisa umthamo onganele, kungase kudingeke ukuqinisa—izigaba ezinkulu, ukuhlanganisa okungeziwe, ama-purlins ashintshwayo, noma imininingwane yokuxhuma okuminyene. Ukuqinisa kuvamise ukubala 15%–25% yesabelomali esiphelele sokubuyiselwa.
Ngomklamo ohlanganisiwe, imithwalo, ubukhulu bephaneli yophahla, kanye nokucaciswa kwe-purlin kubhekiswe emidwebeni yokuqala, ukugwema isigaba esihlukile sokuqinisa.
Isheduli kanye nesikhathi sokuphumula sokukhiqiza
Ukulungisa kabusha kuvame ukudinga iziphazamiso zokukhiqiza ngezigaba: yakha futhi usebenzise isitshalo kuqala, khipha izingxenye zophahla ngaphandle kwesevisi, susa ukuvala okuthile, ufake isistimu sonozungezilanga, futhi ubuyisele uphahla.
Idizayini ehlanganisiwe ixhumanisa amamojula, isistimu yokukhweza, amathreyi ekhebula, namaphaneli ophahla kumodeli ye-BIM. Izingxenye zenziwa ngaphambili embonini, futhi umsebenzi wesayithi ikakhulukazi kuhlanganisa ukuphakamisa kanye nokuxhumana kwe-plug-in. Ukukhiqiza amandla kungaqala lapho uphahla seluqediwe, ngaphandle kwesigaba sokufakwa kwesibili.
Ukulinganisa Izinto Ezintathu Zezindleko
Ukuqhathanisa okungezansi kusebenzisa uphahla lwezimboni oluyi-10,000 m² olunamandla okucatshangwa ukuthi afakiwe angaba ngu-1.2 MWp (i-megawatt-peak).
| Isici | Idizayini ye-BIPV ehlanganisiwe | I-Retrofit (BAPV) | Umthombo womehluko |
| Ukuqiniswa kwesakhiwo | 0 | U-15%–25% wesabelomali sokubuyisela | Uphahla olukhona luyahluleka ukuhlola umthwalo |
| Izinto zophahla | Imvilophu ehlanganisiwe + amamojula | Amashidi ensimbi + uhlelo lokukhweza kamuva | Ukuthi uphahla namamojula ahlanganisiwe |
| Ishejuli yasendaweni | Ukukhiqiza ugesi lapho isitshalo siqedwa | Ukuvalwa kwezigaba okukodwa noma okubili ngemva kokuqala kokusebenza | Ukuthi umsebenzi wenziwa ngezigaba |
| Ukusetshenziswa kwensimbi | 8%–12% ukwehliswa (njengoba kubikiwe) | 0 | Ukuxhumana okwabiwe + izigaba ezilungiselelwe + uphahla oluhlanganisiwe |
| Amathreyi ekhebula nokufinyelela kokulungisa | Igcinwe esigabeni sokuklama | Kamuva ukubhola + ukufakwa | Kungakhathaliseki ukuthi ilanga libhekwa esiteji sokuklama |
| Imali engenayo yokukhiqiza amandla yeminyaka engama-25 | Akushintshile | Akushintshile | Okufanayo ngomthamo ofakiwe olinganayo |
Sihlanganiswe ndawonye, umklamo ohlanganisiwe unganciphisa izindleko zizonke ngo-15%–25% futhi ufinyeze ishejuli ngo-30%–50% uma kuqhathaniswa nokufakwa kabusha.
Qaphela: “Isabelomali sokubuyiselwa imali” kuthebula sisho isamba sezindleko zokulungiswa kophahla, ngaphandle kwamanani emojuli. Ukuqiniswa kwesakhiwo kuvame ukubala u-15%–25% waleso sabelomali.
Imaphi Amaphrojekthi Afanele Idizayini Edidiyelwe?
Akuzona zonke izitshalo ezintsha okufanele zifake ilanga emidwebeni yokuqala. Idizayini ehlanganisiwe ifaneleka ikakhulukazi lezi zinhlobo ezine zamaphrojekthi:
- I-geometry yophahla evamile-unxande, i-multi-bay, noma izakhiwo ze-sawtooth zingasebenzisa amamojula ngempumelelo.
- Isidingo esikhulu sikagesi wasemini—iphrofayili yomthwalo iqondana eduze ne-solar, okungenzeka ivumele ukuzisebenzisela ngaphezu kwama-70%.
- Uphahla kulindeleke ukuthi luhlale lusebenza isikhathi esingaphezu kweminyaka eyi-15—utshalomali lokuqala lungasatshalaliswa esikhathini eside sesevisi.
- Iketanga lendawo elivuthiwe le-BIPV—imvilophu nezingxenye zelanga zingamataniswa umphakeli oyedwa, kugwenywe ukusesha komphakeli kamuva.
Amacala afanelekile kancane zihlanganisa izitshalo ezincane, uphahla olungajwayelekile, ukusetshenziswa kukagesi okuphansi kakhulu, noma izimakethe ezingenazo iketango elivuthiwe lokuhlinzeka nge-BIPV; ukubuyisela emuva kwe-BAPV kungase kube ukonga kakhulu.
Amaphuzu Abalulekile Amathathu Okudidiyela
Layisha Ukuqagela
Faka phakathi u-15–26 kg/m² umthwalo welanga unomphela ekubalweni kwesakhiwo sokuqala. Uphahla, ama-purlin, ama-trusses, izigaba, nokuxhumana kufanele kwakhelwe umthwalo ohlangene kusukela ekuqaleni, kunokushiya umthamo ukuze kwengezwe kamuva.
Ukuhlanganisa ama-Roof and Solar Modules
Ophahleni lwensimbi oluvamile, uphahla lufakwa kuqala futhi amamojula elanga afakwe ngaphezu kwalo. I-BIPV ehlanganisiwe isebenzisa uhlelo lokuphahla lapho iphaneli yophahla ngokwayo yakha ingxenye yomhlangano welanga.
Lokhu kunikeza izinzuzo ezintathu ezingaba khona:
- Khetha uphahla kanye nezingxenye zelanga ukuze uthole impilo yesevisi ehambisanayo (iminyaka engu-25).
- Ukumelana okuthuthukisiwe ekuphakamiseni umoya ngenxa yokuthi amamojula nophahla lusebenza njengesistimu edidiyelwe.
- Ukubukeka okuhlanzekile ngaphandle kwamafreyimu afakwa obala.
Amathreyi ekhebula kanye Nokufinyelela Kokulungisa
Gcina amathreyi ekhebula, izindawo zebhokisi lezihlanganisi, imizila yokuhlanza amamojula, nezindlela zokuhamba zokulungisa emidwebeni. Ukubhoboza izimbobo kamuva kungalimaza uphahla futhi kudale amaphuzu okuvuza engeziwe.
FAQ
Q1: Ingabe idizayini edidiyelwe ibambezela ukwakhiwa kwesikhungo?
Akunjalo. Ukuxhumanisa i-BIPV ngokuyinhloko kwenzeka phakathi nomklamo, kuyilapho ukwakhiwa kwefekthri nokwakhiwa kwesiza kungaqhubeka eduze nokwakhiwa kwensimbi evamile. Amamojula, izinto zokukhweza, amathreyi ekhebula, namaphaneli ophahleni kufika njengengxenye yephakheji eyodwa edidiyelwe, ngakho-ke uhlelo lulonke lungahlala lungashintshiwe kakhulu.
I-Q2: I-8% -12% yokunciphisa ukusetshenziswa kwensimbi ibalwa kanjani?
Isilinganiso sihlanganisa imiphumela emithathu: imininingwane yokuxhumana okwabelwana ngayo ngemva kokuhlanganiswa kophahla namamojula, izigaba ezithuthukisiwe ngokusekelwe emithwalweni yokugcina yelanga, kanye nesistimu yophahla/imvilophu eyenziwe lula.
Q3: Kufanele ukhethwe kanjani umthwalo ophahleni ongu-15–26 kg/m²?
Kuncike ohlotsheni lwemojuli, ukuhlelwa kokukhweza, kanye ne-engeli yokutsheka. Amamojula afakwe phansi ophahleni oluyisicaba angase engeze cishe u-15–20 kg/m², kuyilapho amasistimu okukhweza atshekile angase engeze cishe u-20–26 kg/m². Unjiniyela wesakhiwo kufanele aqinisekise umklamo wangempela ngokumelene nezidingo zomoya wendawo kanye neqhwa.
Q4: Uma uphahla olukhona luhluleka ukuhlolwa kwesakhiwo, ingabe lokho kusho ukuthi i-solar ayikwazi ukufakwa?
Cha. Ukuqiniswa kuyisixazululo esijwayelekile nesimisiwe. Inkinga akukhona nje ukuthi ukufakwa kungenzeka yini, kodwa ukuthi kuzobiza malini nokuthi kungakanani ukukhiqizwa okungase kuphazamise uma kuqhathaniswa nomklamo ohlanganisiwe.
I-Q5: Ingabe uphahla oluhlanganisiwe lwe-BIPV lungakwazi ukuhlala iminyaka engu-25?
Uphahla, amamojula, izinto ezifakwayo, nezigxivizo kufanele kukhethwe impilo yenkonzo yeminyaka engu-25 ehambisanayo. Uma uphahla lwensimbi lweminyaka engu-5-10 luhlanganiswe namamojula weminyaka engu-25, impilo yesistimu jikelele isanqunyelwe ingxenye ehlala isikhathi esifushane. Ukulinganisa impilo yesevisi kuwumgomo oyinhloko wokuklama we-BIPV.
Iseluleko Esisebenzayo Sabanikazi Bamaphrojekthi
Esigabeni sokuhlela iphrojekthi kanye nesiteji sokuklama umqondo-hhayi ngemva kokuba imidwebo yokwakha isiqediwe-phatha ilanga njengesistimu engaphansi edingekayo kunesengezo ozikhethela sona.
Lesi sinqumo sithinta:
- Kungakhathaliseki ukuthi isakhiwo sophahla senzelwe imithwalo yelanga kusukela ekuqaleni.
- Ukuthi isistimu yephaneli yophahla ehlanganisiwe ikhethiwe.
- Ukuthi amathreyi ekhebula nokufinyelela kokulungisa kugodliwe kusengaphambili.
- Ukuthi uxhumo lwegridi lufakiwe yini ohlelweni oluyinhloko lwephrojekthi.
Ukuxazulula le mibuzo emine ekubuyekezweni komklamo wokuqala kubiza kancane kunokubuyekeza imidwebo kamuva.
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