Yiya kumxholo 
Ukusebenza ngokunxuseneyo negridi eMzantsi Afrika kulindele amaxwebhu amathathu achaza ikhabhinethi enye: ipakethe yezixhobo ekontrakthiweyo yeMegSolid, ingxelo yofakelo lwasekuhlaleni, kunye nemvume ebhaliweyo yomsasazi. IMegSolid ithumela i-BESS, idatha ye-PCS, imizobo yokudibanisa kunye neengxelo zefektri. I-EPC kunye nabantu ababhalisiweyo bayiguqula loo pakethi ibe yimizobo yendawo, iimvavanyo zofakelo, iSatifikethi sokuThobela kunye nesicelo esicelwa ngumsasazi wokwenene. Umthwalo wobuchwepheshe uvela kwi Uyilo lwenkqubo yokugcina amandla ebhetri ye-C&I, Iinkcukacha zesixhobo sokutyisa zivela kwi Uvavanyo lwebhodi yezitshixo ye-BESS engama-400 V, kwaye ifayile yokukhulula ilandela eyeprojekthi Umda wodibaniso lwe-BESS yorhwebo.
I-CoC esayiniweyo ngokwayo ayikhululi i-BESS ukuze isebenze ngokunxusene nogridi. Thatha umzekelo wefektri yaseGauteng apho isatifikethi sigubungela umbhobho wamandla omtsha kunye nezixhobo zokutshintsha ngelixa umthengisi esalinde ubungqina obunxulumene ne-PCS efakiweyo. I-CoC, ifayile yovavanyo lohlobo, ingxelo yofakelo lwe-Embedded Generation kunye nemvume ebhaliweyo yomthengisi zonke zifuna iinombolo zemodeli, amanqanaba kunye neendlela zokusebenza ezifanayo.
Ukungeniswa kwe-Eskom okanye komasipala kufuneka kushiye i-ofisi yeprojekthi ezi zinto zintandathu zicacisiwe:
- 1. umsasazi oqinisekisiweyo kunye nendlela yakhe yangoku yokufaka isicelo;
- 2. i-kW, i-kVA elinganisiweyo yesistim, i-power factor kunye nendlela yokusebenza kwegrid;
- 3. umzobo womgca omnye ovunyiweyo kunye nefilosofi yokhuseleko;
- 4. ubungqina be-PCS okanye i-inverter obukhethekileyo kwimodeli obamkelwe ngumsasazi;
- 5. iirekhodi zovavanyo lofakelo, i-CoC kunye nengxelo yokuqaliswa kokusebenza ezisayinwe ngabantu abafunekayo;
- 6. Imvume ebhaliweyo yokuqhagamshela, isivumelwano kunye nerekhodi yokulinganisa esebenzayo kwisiza.
I-Eskom okanye uMasipala, hayi “iMzantsi Afrika”
“UMzantsi Afrika” awuchazi igama le-ofisi yokuvuma. Ifektri eseGauteng inokunikezelwa ngokuqondileyo yi-Eskom okanye ngumasipala. I-Cape Town isebenzisa inkqubo yayo ye-intanethi yesicelo seenkonzo zombane. I-eThekwini isebenzisa inkonzo yayo yokuvelisa umbane ngaphakathi. Iifomu ezifanelekileyo, isigunyaziso sobuchwepheshe, amanyathelo okufaka iimitha, iindidi ngokobukhulu kunye namagama amaxwebhu zilandelela umnikezeli-nkonzo okhonza indawo yokunikezela.
Iphepha lokuqala lefayile yeprojekthi kufuneka lichaze:
- igama lendawo kunye nedilesi yayo efisikalisayo;
- Umnini-akhawunti wombane kunye nenombolo ye-akhawunti;
- I-Eskom okanye umsasazi kamasipala;
- indawo yokunikezela kunye nerhafu ekhoyo;
- isitshixo esiphambili kunye nomthamo wogunyaziso;
- Eziphakanyisiweyo ze-BESS: i-kW, i-kVA, i-kWh kunye ne-power factor;
- iimodi ezihambelana negridi, ezingathumelelwayo kumazwe angaphandle, ezithumelelwayo kumazwe angaphandle, ezilindileyo okanye ezikwaziyo ukuzimela;
- Umthamo we-PV nejenereyitha osele uqhagamshelwe okanye ocwangcisiweyo;
- indawo ecetywayo yokudibanisa i-PCC, imitha kunye ne-BESS;
- Isalathiso sesicelo kunye nemeko yokuvunywa.
I- Iphepha lolwazi lwe-Eskom SSEG Ithi iinkqubo ezihamba ngokunxusene nogridi kufuneka zibhaliswe nokuba zicwangciselwe ukungathumeli kumaza, ngelixa iinkqubo ezizimele ngokupheleleyo ezingekhoegridi zilandela enye indlela yokwazisa. Iphepha lesicelo leSixeko saseCape Town iquka ngokukodwa iisistim zolanga ze-PV neebhetri kwaye ifuna ukuba amacala abandakanyekayo kwisicelo asebenzise iqonga layo leeNkonzo zaMandla.
Ukungathumeli umbane kwaphela akwenza i-BESS ehamba ngokuhambelanayo negridi ibe yeyangaphandle kwegridi. I-PCS ihlala idityaniswe ngombane kwisixhobo somthengi ngelixa eso sixhobo sisadityaniswe kuthungelwano lwasoloko. Ukhuseleko, ukuthintela i-anti-islanding, ukubala umbane kunye nemvume zisalandela iimfuno ezisebenzayo zomsasazi. Ulawulo lokungathunyelwa kwamanye amazwe kwi-PCC ichaza umjikelo wolawulo; ayithathi ndawo yobhaliso okanye yemvume ebhaliweyo.
Ifomu ifuna zombini i-kW ne-kVA.
Izicelo ze-C&I zihlala zisilela kwinyathelo lokuqala lokuhlela kuba ifomu ifumana inani elinye lamandla. I-kW ilinganisa amandla asebenzayo. I-kVA ilinganisa amandla abonakalayo kwaye imisela umsinga kwi-factor yamandla echaziweyo. Musa ukufaka i-PCS eyi-125 kVA njenge-125 kW ngaphandle kokuba idatha yokukwazi ukulawula iqinisekisa olo mveliso.
Iphepha le-SSEG elipapashwe yi-Eskom ngoku lisebenzisa i-kVA kwiingxelo ezininzi zemilinganiselo yamandla, kunye ne-kW kwenye icandelo. Olo lwimi ludityanisiweyo lusenza ukuba udidi lweprojekthi lube ngokubhaliweyo. Ngenisa zonke ezi xabiso zintathu:
Amandla asebenzayo alinganisiweyo: kW
Amandla abonakalayo abalolinganisiweyo: kVA
Umlinganiselo wamandla obhengeziweyo okanye uluhlu lokusebenza lwamandla asabela
Umthengisi ke uqinisekisa udidi lwesicelo, indlela yokugunyaziswa yobuchwepheshe kunye nayo nayiphi na intatho-nxaxheba ye-NERSA. Gcina ipleyiti yegama le-kW yemveliso kunye nexabiso le-kVA elilawulwayo kwiiyunithi zayo zantlandlolo. Isetipoyinti yokungathunyelwa kumazwe angaphandle ishiya umthamo wezixhobo ezibhalisiweyo ungenaziguqu, ngaphandle kokuba umthengisi achaza ngenye indlela ngokubhaliweyo.
Umahluko ubonakala kwangoko xa kuthelekiswa amaqonga e-MegSolid C&I. I-ESSA0100B-0215 ipapashiwe njengekhabhathi yangaphandle ye-100 kW / 215.04 kWh, 400 V. I-Energon 261.24 ipapashiwe nge-125 kVA / 261.24 kWh enejongano le-400 V okanye le-480 V. Ukungeniswa kweprojekthi kufanele kuphinde kubonise isilinganiselo esilawulwayo somodeli ekhethiweyo. Ukubiza zombini iimveliso “njengeklasi ye-100 kW” kuyazisusa iiyunithi ezifunwa ngumhlalutyi.
| Inkalo yesicelo | Umzekelo we-ESSA | Umzekelo we-Energon | Umthetho wokukhulula |
|---|---|---|---|
| Igama lemveliso | ESSA0100B-0215 | Energon 261.24 | Lungelelanisa i-quote, i-BOM kunye neshedyuli yesatifikethi |
| Ipapashwe ngokusekelwe kumandla | I-100 kW | 125 kVA | Gcina iyunithi echaziweyo |
| Amandla apapashiweyo | 215.04 kWh | 261.24 kWh | Chaza ukuba ifomu icela amandla aqhelekileyo okanye amandla asebenzisekayo. |
| Ujongano lwe-AC | 400 V | 400 V okanye 480 V | Yahlanisa i-SLD evunyiweyo kunye nokuqulunqwa okunikiweyo. |
| Ukwahlulwa ngokwengingqi | Qinisekisa nomthengisi | Qinisekisa nomthengisi | Fumana ukwahlulwa kweprojekthi okubhaliweyo |
Isikrini sosapho lwemveliso sihlala sinenqanaba elinye lokufaka. Uqwalaselo oluchanekileyo, imodeli ye-PCS, i-firmware, imisebenzi yokhuseleko kunye nezalathiso zezatifikethi ezisebenzayo kufuneka zikwazi ukulandelelwa kuyo yonke ishedyuli yezixhobo kunye nefayile yokuvunywa.
Into i-CoC Eyiyo Eyigubungelayo
IMimiselo yoFakelo lweZixhobo zombane yaseMzantsi Afrika ifuna iSatifikethi sokuThobela esisemthethweni kumsebenzi wokufakela umbane. ISebe lezaNgqesho nezaBasebenzi likwatsho ukuba oosonkontileka bombane kufuneka babhaliswe phantsi kwale mimiselo. I-CoC ihamba nofakelo lwendawo kunye nomntu obhalisiweyo oyisayinileyo.
Ipakethe ye-CoC idla ngokufuna iirekhodi ezingeyomsebenzi osandul' ukwenziwa:
- Imizobo yomgca omnye neyocingo njengoko zakhiwe;
- iishedyuli zomqhubi nezixhobo zokukhusela;
- ulungiselelo lokudibanisa nomhlaba nokubopha;
- imimiselo yokwahlula nokutshintsha;
- Iziphumo zovavanyo lwemisebenzi yokuqhubeka, yokufaka i-insulation, neyokukhusela;
- iileyibhile, izaziso zesilumkiso kunye nokuchongwa komthombo;
- ulungiselelo lotshintsho okanye olokuzimela xa kusebenza;
- iinkcukacha zomqeshi wombane obhalisiweyo nomtyikityi;
- Umda ochaziweyo wofakelo olugunyaziswe sisatifikethi.
I- Uluhlu lwe-SABS lwe-SANS 10142-1:2024 ichaza uhlelo lwangoku lomnxeba wendawo ekufuneka kuhlolwe yingcali yombane yasekuhlaleni. Imigangatho esebenzayo isaxhomekeke kwinqanaba lombane, ulwakhiwo lwenkqubo kunye neemfuno zegunya. I-CoC yombane ophantsi ayigubungeli ngokuzenzekelayo imisebenzi ye-MV, imvume yomlilo, imvume yoluntu okanye imvume yokusebenza ngokunxusene nethungelwano.
Abakhuphi abathathu abahlukeneyo bavala iinxalenye ezintathu ezahlukeneyo zefayile:
- Ukuhambelana kwezixhobo: Imodeli enikiweyo iyangqinelana namaxwebhu ayo elawulwayo obuchwepheshe novavanyo.
- Ukuhambelana nofakelo: Umsebenzi wombane ofakelweyo uye wahlolwa, wavavanywa kwaye waqinisekiswa phantsi kwamagunya asemthethweni omtyikityi.
- Ugunyaziso loqhagamshelwano: Umphathi-nxaxheba wamkele isingeniso esifanelekileyo waza wakhupha imvume okanye isivumelwano esibhaliweyo esifunekayo.
Umgca omnye “ovumelana nenkqubo” awunakuthwala zonke iimvume ezintathu. Umthengisi wezixhobo, umntu obhalisiweyo kunye nomthengisi-ntle ngamnye ukhupha ubungqina bommiselo ocacisiweyo.
Iphepha le-NRS kufuneka lihambelane ne-PCS esezantsi.
I-Eskom idwelisa isatifikethi sovavanyo lohlobo lwe-NRS 097-2-1 se-inverter phakathi kwezamaxwebhu obhaliso kwindlela yayo ye-SSEG epapashiweyo. Iimfuno zikamasipala nazo zihlala zibhekisa kwi-NRS 097 kwizixhobo ze-converter ezidityaniswe negridi. I-EPC kufuneka iqwalasele iinkcukacha ezichanekileyo zomsasazi kunye nenkqubo yemveliso eyamkelweyo yeprojekthi.
Umhloli kufuneka akwazi ukufanisa uhlobo lwesilingo olufakweyo nesiphatho esikwindawo yomsebenzi:
- umvelisi kunye nemodeli echanekileyo yePCS okanye ye-inverter;
- uphinda-hlolo lwe-hardware ne-firmware apho kufanelekile kwingxelo;
- ivoltile ebekiweyo, ulungelelwaniso lwe-phase, i-kW, i-kVA kunye ne-frequency;
- Kubhekiselwe kwiNRS 097 inxalenye nushicilelo;
- Umzimba ovunyiweyo wokuvavanya kunye nenombolo yengxelo okanye isatifikethi;
- Kuvavanywe imisebenzi yokukhusela nokunqamla;
- izithintelo, izihlomelo neemeko zolungiselelo;
- Inqanaba lokwamkelwa komsasazi kwelo projekthi kanye.
Ilogo yebhukwana ayiniki umhloli imodeli, inombolo yengxelo okanye umda wovavanyo wokungqina. Isatifikethi se-inverter ye-hybrid yasekhaya sigubungela loo inverter ibizwe ngelo gama, hayi enye i-PCS ye-100 kW C&I. Ingxelo ye-FAT iqinisekisa izixhobo zeprojekthi ezenziweyo kunye nemisebenzi elungiselelweyo; uhlobo lovavanyo luyarekhoda indlela imodeli ebizwe ngayo esebenze ngayo xa ithelekiswa nomgangatho ochaziweyo.
Ukungeniswa kwezixhobo zeMegSolid kufuneka kuchaze i-PCS yokwenene ebandakanyiweyo kwikhabhathi okanye kwinkqubo kwaye kubonelele ngobungqina obulawulwayo obuqulethwe kwikhontrakthi. I-EPC yasekuhlaleni okanye ingcali yesicelo ikhangela obo bungqina ngokweemfuno zangoku zomsasazi phambi kokukhululwa kwezixhobo. Uluhlu olufunekayo, uvavanyo olungqinwayo okanye isicwangciso esongezelelweyo sokhuseleko kufuneka zibe kwinkqubo yokuthenga nokufaka. Ukufumanisa loo mfuneko kuluhlu lokugqibela lwezinto ezifuna ukulungiswa emva kokufakwa sele kulixesha elidlulileyo.
I-SLD kufuneka ibonise yonke imvelaphi nendlela yohambo.
I-SLD inika umthengisi, umntu obhalisiweyo, i-EPC kunye ne-MegSolid umbono omnye weshishini. Iphepha leenkcukacha zekhabhathi liphela kumda wezixhobo; i-SLD yongeza itransformer ekhoyo, ijeneretha, i-PV inverter, i-main breaker kunye nebhodi egcina ulawulo lwenkqubo lusebenza.
Umzobo wesicelo awuphelelanga ukuba awunayo indawo yokubonelela, i-BESS breaker, omnye umthombo, imitha ye-PCC kunye nee-CTs, indlela yokuqhawula, ukubethelwa emhlabeni kwimowudi nganye, okanye indawo yokulawula ukuthumela ngaphandle. Nayiphi na enye yezo zinto kushiyweyo ingavela ngosuku lokufakwa kombane njengomthombo wokondla kwibhodi engeyiyo, i-CT efakwe emva kwendawo ekubunyezelwe ngayo, okanye indlela yokusebenza ngokuzimeleyo (island path) efakwe ngaphandle kwelifu lokuhlaziya.
Isicelo, ulwakhiwo kunye nemizobo yokwakha njengoko kwenziwe kufuneka zibe kwirejista enye yotshintsho.
Kwizakhiwo zasekuhlaleni, iMegSolid ibonelela ngedatha yesikhululo se-ekipimendi, imida yombane, iimfuno zokuncedisa kunye nemizobo yokudibanisa ngaphakathi komda wekhontrakthi. I-EPC igqibezela ukulinganisa ubungakanani bekhebula, isifundo somgangatho wempazamo, ukukhethwa kwe-breaker, ulungelelwaniso lokukhusela, uyilo lwe-earthing kunye nokufunyanwa kwemvume kwisiza. Izixhobo ze-BESS kunye nematrix yesalathiso sesiseleyo somzi-mveliso inikezela ngemigaqo yoxanduva; inkqubo yomsasazi waseMzantsi Afrika ilawula indlela yokuvunywa yasekuhlaleni.
I-Zero Export isatshintsha umsinga wempazamo.
Isetingi yokungathumeli ngaphandle isatshintsha umbane ngaphakathi kwisixhobo somthengi. Ifayile yokhuseleko kufuneka ibonise indlela isikhululo sombane esizikhupha ngayo, nento esiyenzayo xa imitha okanye inethiwekhi iphelile.
Iphepha elinye lezicwangciso ezilawulwayo kufuneka libhale i-voltage, i-frequency, imida yamandla abuyayo okanye yokuthumela ngaphandle, i-anti-islanding, amanqanaba e-breaker, indlela yokuqhawuka kunye nomntu olawula ukufikelela. Isalathiso sovavanyo lohlobo lwe-NRS sifanele sibe kwelo phepha kunye neenani zasekhaya kunye nendlela yokuqhawula exhumekileyo. I-SAT ke itshintsha amandla okwenene kwi-PCC, ingqine icala le-CT kwaye irekhode impendulo yokhuseleko xa unxibelelwano luphela.
Ukuba ijeneretha yedizili ikwabonelela ngombane kumzi-mveliso, ingxelo yokhuseleko nolawulo kufuneka ichaze ukuba leliphi unobangela oluseka ivoltage nefrikhwensi ngexesha lokusebenza yodwa. Umthwalo omncinci wejeneretha, ukhuseleko kumandla abuyela umva, ukulungelelanisa, ukuphathwa kwe-neutral kunye nolandelelwano lokubuyisela kufuneka babe nabanini abakhankanyiweyo. Ulandelelwano lolawulo lwe-BESS nesijenereyitha sedizili inika indawo yokuqalela esebenzayo; i-EPC yasekuhlaleni iyiguqula ibe yidizayini yokukhusela isiza nokutshintsha.
Umzekelo weFektri yaseGauteng: Ukungathunyelwa Phesheya Akususi Imvume
Khawucinge ngomzi-mveliso waseGauteng othenga i-ESSA0100B-0215 enye ukuze unciphise umthwalo wokuphakama kunye nokuxhasa umthwalo okhethiweyo. Ikhabhathi ilinganiselwe kwi-100 kW / 215.04 kWh kwi-interface epapashiweyo ye-400 V. I-EMS yenzelwe ukugcina ingeniso ingaphantsi kweethagethi zefektri nokugcina ukuthunyelwa ngaphandle kungabikho kwi-PCC.
Ukukhululwa kusekuxhomekeke kumthengisi onikezelayo kunye nonxibelelwano lwendawo. Umnini kunye ne-EPC kuqala baqinisekisa ukuba ngubani onika umbane, i-Eskom okanye umasipala. Isicelo ke siqaphela isilinganiselo sesixhobo esiyi-100 kW, idatha yamandla abonakalayo asebenzayo, ifactor yamandla asebenzayo, indawo yokudibanisa kunye nayo yonke eminye imithombo ekhoyo kwisiza.
Ifayile ihamba kwezi zigaba zilandelayo, inesango elisayiniweyo kwisigaba ngasinye:
- 1. Isiseko sesicelo: umsasazi, iakhawunti, i-rated ye-kW/kVA, iindlela zokusebenza kunye ne-SLD yokuqala.
- 2. Ubungqina bezixhobo: Ishedyuli echanekileyo yekhabhathi ne-PCS, ubungqina olusebenzayo lovavanyo lweentlobo kunye namaxwebhu onxibelelwano.
- 3. Uyilo lwendawo: Ukulungelelaniswa okuvunyiweyo kwe-feeder, i-cable, i-breaker, ukhuseleko, i-earthing, imitha kunye ne-CT.
- 4. Ubungqina bokwakha: iimvavanyo zeekhebula, iirekhodi zetoorki, iilebhile, iziphumo zokufaka umhlaba kunye nemizobo yokwakha ngokwenene.
- 5. Ukuqinisekiswa kokufakwa ngokusemthethweni: I-CoC ekhutshwe ngumntu obhalisiweyo ogunyazisiweyo ngomsebenzi ochaziweyo.
- 6. Ubungqina bokunikezela I-EGI okanye ingxelo efunwa ngumsasazi, iimvavanyo zokhuseleko, iimvavanyo zolawulo kunye nokuvalwa okusayiniweyo koluhlu lweziphene.
- 7. Ugunyaziso: Isivumelwano esifanelekileyo, umsebenzi wemitha kunye nemvume ebhaliweyo phambi kokusebenza okuqhelekileyo ngokunxuseneyo negridi.
I-zero export ke ivavanywa kwi-PCC yokwenene. Ukwamkelwa kuvela kwirekhodi elilinganisiweyo, elibamba uphawu lwamandla e-PCC, inyathelo lomthwalo, impendulo yolawulo, umda wokuthumela ngaphandle, isenzo sokulahleka konxibelelwano kunye nokuziphatha kwe-SOC okanye komda wamandla. Umyalelo we-HMI uhlala uyinxalenye yolungiselelo lovavanyo, hayi isiphumo.
Jonga iFayile yokuKhutshwa kweMzantsi Afrika
Thumela umphathi wokusasaza umbane, i-BESS ecebiswayo ye-kW/kVA/kWh, imo yokusebenza, umzobo womgca omnye, ishedyuli yemodeli ye-PCS kunye noluhlu lokujonga lwesicelo sangoku. Ukuphononongwa kunokwahlula amaxwebhu ezixhobo ze-MegSolid kwizinto eziza hanjiswa yi-EPC yasekuhlaleni, umntu obhalisiweyo kunye nomphathi wokusasaza phambi kokuthunyelwa.
I-FAT, iVavanyo laseSayithi kunye ne-CoC ziphendula imibuzo eyahlukileyo.
Uvavanyo lweentlobo, i-FAT, uvavanyo lofakelo, i-CoC kunye nokwamkelwa ngumsasazi zihlala zizigaba ezahlukeneyo kuba nganye yazo iphendula umbuzo owahlukileyo.
| Izigaba zobungqina | Umbuzo ophambili | Uxanduva oluqhelekileyo | Akunakutshintshwa |
|---|---|---|---|
| Uvavanyo lweentlobo ubungqina | Ingaba imodeli kanye yesixhobo ibonise imisebenzi eqhelekileyo echaziweyo? | Umvelisi wezixhobo kunye nequmrhu lovavanyo | Iimvavanyo zofakelo lwendawo |
| Isisumbu | Ingaba izixhobo zeprojekthi ezenziweyo ziyahambelana na nengcaciso evunyiweyo kunye nesicwangciso sovavanyo lwasemzi-mveliso? | MegSolid kunye namaqela angamangqina avumeleneyo | Ugunyaziso lomthengisi okanye i-CoC |
| Uvavanyo lofakelo | Ingaba iikhebula, ukhuseleko, ukudibanisa kumhlaba kunye neendawo zokudibana kwisiza zifakwe zaza zavavanywa ngokuchanekileyo? | I-EPC yasekuhlaleni kunye nabavavanyi abagunyazisiweyo | Uvavanyo lwuhlobo lwemveliso |
| Incwadi yomgaqo-nkqubo | Ingaba ufakelo lwamandla ombane oluchaziweyo luyathembekiswa phantsi kwemigaqo yofakelo yaseMzantsi Afrika esebenzayo? | Umntu obhalisiweyo ogunyaziswe ngokomthetho | Uvunyelwano olubhaliweyo lokuqhagamshela kwigridi |
| Ingxelo ye-SAT okanye ye-EGI | Ingaba i-BESS efakiweyo iyawenza na imisebenzi efunekayo yendawo kunye nolandelelwano lokukhusela? | I-EPC, umthengisi kunye nabatyikityi abafunekayo | Kusilele isivumelwano sokuvunywa |
| Ukwamkelwa ngumsasazi | Ingaba umqhubi wenethiwekhi uyamkele ifayile yokudibanisa esebenzayo kunye neemeko? | I-Eskom okanye umasipala | Iwaranti yomenzi |
Owenzelwe iprojekthi ethile Uvavanyo lokwamkelwa kwemveliso yefektri ye-BESS Kufuneka kuqinisekiswe imodeli enikiweyo, iinombolo zesiriyali, ifirmware, ii-alam, ukusebenza kombane kunye nemisebenzi yolawulo evunyelweneyo phambi kokuthunyelwa. Emva koko i-SAT iqinisekisa imitha ye-PCC yokwenene, i-polarity ye-CT, ukucima kwee-breaker, iisetingi zokhuseleko kunye nolandelelwano lokusebenza.
Inkqubo yovavanyo kufuneka ichaze ukuba ngubani obonelela ngezixhobo zovavanyo, ngubani olawula utshintsho, ngubani osayina isiphumo ngasinye, kwaye ngubani ohlawulela utyelelo oluphindwayo xa kukho imfuneko yendawo engekho. Oku kwahlulwa okufanayo kuxhasa umda wewaranti kwiikhontrakthi ze-BESS ne-EPC ezibonelelwe ngumnini.
Ifolda yentsimbi yesi-2:00
Ngo-02:00, umqhubi ojongene ne-alam yokunxibelelana yemitha udinga uluhlu lwamaxwebhu okugqibela kunye nefayile yezicwangciso eyafika kwindawo. I-handover index kufuneka ibonise isihloko sefayile nganye, inombolo, uhlaziyo, imeko yokuvunywa, iqela elinoxanduva kunye nendawo yokugcina yokugqibela.
Kwi-alamu yentsimbi yesi-2:00, gcina ifolda enye ebekwe ngokulandelelana. Ishifti yasebusuku idla ngokufikelela kwiipakethe ezintandathu:
- Ngubani owakuvumelayo: iimpapashwankathelo zesicelo, imvume ebhaliweyo, isivumelwano sokudibanisa, iileta zamaxabiso okanye zokubala umbane.
- Oku kuthunyelweyo: ishedyuli yokugqibela yezixhobo, i-datasheets ezilawulwayo, ifayile yovavanyo lweentlobo ze-PCS okanye i-inverter eyamkelweyo kule projekthi, ingxelo ye-FAT kunye noluhlu lweempazamo lwefektri oluvaliweyo.
- Indlela efakelwe ngayo: ii-SLD ezivunyiweyo nezakhiweyo; iishedyuli zekhebula, zebreaker, zokhuseleko, zomhlaba kunye nee-CT.
- Ngubani otyikitye ufakelo: I-CoC enomda wesatifikethi ochaziweyo; izicwangciso zokhuseleko kunye neengxelo zovavanyo.
- Into eyi-SAT eyayibonisa: I-EGI okanye ingxelo yokuqaliswa kokusebenza, i-PCC kunye novavanyo lokungathumeli ngaphandle, ukuvalwa koluhlu lwezinto eziseleyo kwisiza.
- Into eqhutywayo ngumqhubi ngobu busuku: iikopi zokhuseleko ze-firmware nezicwangciso, irejista ye-SCADA evavanyiweyo, iincwadana zemiyalelo, uluhlu lwezinto ezitshintshwayo, inkqubo yongxamiseko, umhla wokuqala waranti kunye nendlela yenkonzo.
Ovuviweyo Uluhlu lweendawo ze-BESS SCADA Kufuneka iquke irejista evavanyiweyo kunye nempendulo yomqhubi, ngaphaya kwe-export yeprotocol ekrwada. Umkhombandlela othi “meter communication lost”, umzekelo, kufuneka uchaze ukuba ingaba umlawuli ubambe isiphumo, unyusa kancinci ukuya kwi-import bias ekhuselekileyo okanye uyeke ngokwe-logic yomsasazi evunyiweyo.
Ukuthunyelwa akukho mvume yokuhambelanisa
Ukuthunyelwa kunye nokuqaliswa kokuqala kokusebenza okunxuseneyo kusebenzisa iigetyi zokukhulula ezahlukeneyo. Izixhobo zinokuthunyelwa xa imodeli yeMegSolid kunye nobungqina bayo obusemqathini zihambelana noyilo oluvunyiweyo. Umtyibi uvaleka emva kokuba iCoC, iirekhodi zokuqalisa kunye neemeko zomsasazi zifikelele kwifayile yeprojekthi enye.
IMegSolid ihlala inoxanduva lwezixhobo ezibonelelweyo kunye namaxwebhu angaphakathi kwikhontrakthi yayo. I-EPC ihlala inoxanduva luyilo lwasekuhlaleni nolwakhiwo. Abantu ababhalisiweyo batyikitya kuphela phakathi komda wabo osemthethweni. Umnini uba ne-index yesicelo neyokunikezela. I-Eskom okanye umasipala ulawula imvume yenethiwekhi.
Phambi kokuba i-breaker ivale, umphathi wendawo kufuneka abeke i-CoC, imvume yomsasazi kunye ne-SLD ye-as-built zibe zikunye. Zontathu kufuneka zibonise imodeli efakiweyo, indawo yokudibanisa evunyiweyo kunye nendlela yokusebenza. Ukungangqinelani kuthumela ifayile ibuyele umva ukuze ilungiswe phambi kokuba iqale ukusebenza ngokuhambelanayo negridi.
Lungelelanisa amaxwebhu ezixhobo zomzobo kunye nokuvunywa kwasekuhlaleni
Nika uluhlu lokujonga lomthengisi, usapho lweemveliso olucetywayo, isilinganiso sePCS, iindlela zokusebenza, i-SLD kunye neshedyuli yeprojekthi. Imephu yoxwebhu iza kuchonga izingeniso zeMegSolid, iirekhodi ze-EPC kunye neesayini zasekuhlaleni ezisafuneka phambi kofakelo nokunikezelwa.
Imibuzo Ebuzwa Rhoqo
Ingaba ufakelo lwe-BESS eMzantsi Afrika lufuna i-CoC?
Ewe. Ukongeza i-BESS kuyitshintsha ifakelo lombane, ngoko ke umsebenzi ogqityiweyo kufuneka uhlolwe, uvavanywe kwaye ube ne-CoC esebenzayo ekhutshwe phantsi komda wobuchwepheshe obusemthethweni womntu obhalisiweyo. Ukuze umsebenzi ufune isatifikethi esitsha okanye uhlaziyo kuxhomekeke kumsebenzi owenziweyo; isatifikethi kufuneka sichaze loo mda ngokucacileyo.
2. Ingaba i-CoC ivumela i-BESS ukuba isebenze ngokunxuseneyo negridi?
Asikokwalo. Ifektri ingaba neCoC esemthethweni ngelixa i-BESS breaker isavuliwe kuba umthengisi akakayivumeli imisebenzi ehamba ngokunxuseneyo. I-Eskom okanye umasipala isenokufuna isicelo esamkelweyo, ubungqina bePCS, iziphumo zokumiselwa kokusebenza, izivumelwano kunye nemvume ebhaliweyo.
3. Ingaba i-BESS engathumeli kumaza kufuneka ibhaliswe?
Ngaphantsi kwendlela ye-SSEG epapashiweyo yi-Eskom, inkqubo ehamba ngokunxusene nogridi isaqhubeka nokubhaliswa nokuba isilawuli sayo simiselwe kwisifumaniso esingekho. Ummasipala unokusebenzisa iifomu neendidi zakhe, ngoko ke umthetho wakhe wangoku nawo kufuneka ujongezwe. Umahluko osebenzayo ulula: umda wesifumaniso esingekho unqanda amandla kwi-PCC; awuyikhuphi i-BESS kuthungelwano.
4. Ingaba i-BESS esebenza ngokupheleleyo ngaphandle kothungelwano iyaphathwa ngendlela efanayo?
Hayi. Ufakelo lokwenene oluzimeleyo alunayo indlela yombane eya kwinethiwekhi yosasazo, nto leyo eyahlukileyo kwinkqubo edityaniswe kwinethiwekhi esebenza ngaphandle kokuthumela umbane. I-Eskom icela ubungqina boloo kuzimela xa kubizwa isikhululo. Ufakelo lwasekuhlaleni lusafuna umsebenzi ofanelekileyo wokuthobela imigaqo yombane kunye nokugunyaziswa.
5. Yeyiphi iqela eliqinisekisa inkqubo ye-SSEG esebenzayo?
Qala nge-akhawunti yombane, hayi ngegama lengingqi okanye lesixeko. Umnini kunye ne-EPC yasekuhlaleni bayisebenzisa ukuchonga umthengisi wokwenene nokufumana ipakethe yesicelo yangoku. I-MegSolid ibonelela ngemodeli, amanqanaba kunye nobungqina benxibelelwano; umthengisi ugqiba ukuba leliphi udidi lwasekuhlaleni kunye nendlela yokwamkelwa esebenzayo.
6. Kutheni isicelo kufuneka sichaze zombini i-kW ne-kVA?
I-kW ixela kumhlalutyi ukuba ingakanani amandla asebenzayo anokutshintshwa yi-PCS. I-kVA, kunye ne-power factor, imisela i-AC current kwaye inokulawula udidi lobukhulu bomlawuli wokusasaza okanye ukuhlolwa kwezixhobo zenyanzululwazi. Ukufaka i-125 kVA kwindawo ye-125 kW kuyitshintsha imfuneko echaziweyo; zombini iireyithingi zantlandlolo kufuneka zivele kwintengiso.
7. Ingaba isatifikethi se-NRS 097-2-1 siquka yonke i-MegSolid PCS?
Hayi. Isatifikethi kufuneka sihambelane ne-PCS okanye i-inverter ekhankanywe kwishedyuli yeprojekthi, kuquka i-rating efanelekileyo, ireferensi yengxelo kunye nemida yomgangatho. Ubungqina obukhutshwe kwi-inverter enye abudluleli ngokuzenzekelayo komnye umzekelo kwakhelo gama lophawu okanye usapho lwemveliso.
8. Ingaba i-FAT ingalithatha indawo yesatifikethi sovavanyo lweentlobo lwe-NRS?
Ziphendula imibuzo eyahlukeneyo. I-FAT ihlola ikhabhathi eyakhelwe le projekthi kwaye ibhale phantsi imisebenzi yayo elungiselelweyo phambi kokuba ithunyelwe. Ubungqina bovavanyo lohlobo lwe-NRS bubuphethwa yimodeli yomguquli ekhankanyiweyo kunye nomgangatho ochaziweyo. Ukuba isicelo asinalo elo nxelo lilodwa lemodeli, i-FAT ephumeleleyo ayivali eso sithuba.
9. Ngubani olungiselela umzobo womgca omnye we-BESS yaseMzantsi Afrika?
I-injiniyela yeprojekthi yasekuhlaleni okanye i-EPC ngokwesiqhelo ingumnini we-SLD yendawo. I-MegSolid ibonelela ngeeterminali ze-BESS, amanqanaba, izixhobo zokhuseleko kunye neemfuno ezincedisayo, ngelixa umyili wasekuhlaleni esongeza itransformer ekhoyo, iibhodi zokutshintsha, iintambo, eminye imithombo, ukugxunyekisa kunye nolungiselelo lwe-PCC. Utyikityo olufunekayo lulandela inkqubo yangoku yomsasazi.
10. Yintoni ekufuneka i-SLD iyibonise kwi-BESS ehamba ngokuhambelana negridi?
Umhloli kufuneka akwazi ukulandelela amandla ombane nokucima kwawo ukusuka kwindawo yokubonelela ukuya kwi-BESS ngaphandle kokuqikelela. Oko kuthetha ukuba umzobo uchaza i-PCC, itransformer, iibhodi ezifanelekileyo, umboneleli we-BESS, yonke eminye imithombo, iibrakers, ukhuseleko, ii-CTs, iimitha, ukhuselo lomhlaba kunye nendlela yokucima ngokungxamisekileyo. Ukuba isikhululo sombane sinokusebenza ngokwaso (island), umzobo ukwabonisa ukuba yeyiphi imvelaphi eyenza elo qela kunye nendlela olutshintsha ngayo ulungelelwaniso lwe-neutral nokufakelwa umhlaba.
11. Ngubani otyikityayo i-EGI okanye ingxelo yokugunyazisa?
Akukho mthetho wosayino olulodwa kuwo wonke umsebenzi waseMzantsi Afrika. Indlela ye-Eskom yezixokelelwano ezincinci epapashiweyo ichonga abantu abafanelekileyo ababhaliswe kwiSebe lezaBasebenzi kwingxelo yayo esisiseko ye-EGI. Isithili, isikhululo esikhulu okanye udidi olwahlukileyo lokuqhagamshela kunokufuna isigunyaziso esongezelelweyo sobuchwepheshe, ngoko ke igama kunye nodidi lobhaliso kufuneka kuvunyelwane ngazo phambi kokuba kuvandlelwe uviwo.
12. Yintoni ekufuneka ihlolwe phambi kokuba izixhobo zeMegSolid zithunyelwe?
Phambi kokuba ilori ibhukishwe, thelekisa ishedyuli yokuthenga ne-SLD eyamkelweyo kunye nesicelo: ikhabhathi echanekileyo, i-PCS echanekileyo, ivoltheji, i-kW, i-kVA, indlela yokusebenza kunye nendawo yokuqhagamshela. Iqela leprojekthi likwafuna imizobo yokudibana evunyiweyo, umnini ogama lakhe lichaziweyo kumsebenzi ngamnye wofakelo kunye nesigaba sokunika umbane esicacileyo. I-PCS ekhutshwe emva kwexesha okanye utshintsho lwe-voltage kunokuvula kwakhona uphononongo lomsasazi.
13. Yintoni ekufuneka ibe kwiphakheji yokugqibela yokunikezela i-BESS?
Ifolda yokunikezela-ndlela kufuneka incede igcisa elingayaziyo ukuba liqonde isityalo ngexesha lokubizwa ebusuku. Ngenxa yoko, iqulathe izimvume nezivumelwano, ubungqina bezixhobo ezamkelweyo, i-as-built SLD nemizobo yokudibana, i-CoC, iimvavanyo zofakelo nezokukhusela, iirekhodi ze-FAT neze-SAT, iibhek-apu zezicwangciso, irejista ye-SCADA, iincwadana zemiyalelo, irekhodi yoqeqesho, iimfuno zolondolozo kunye nemihla yewaranti.
