BESS igendagendairiko iraba uburyo bukora bwo gukoresha amashanyarazi ku bikorwa vyo mu bibanza vy’amavuta aho amashanyarazi asabwa ari kure, y’igihe gito, agendagenda, canke bigoye kumenya imbere y’igihe. Ivyumba vyinshi biri kure y'ibikorwa remezo bikomeye vy'uruzitiro, bikora mu bihe vy'uruzitiro bigoyagoya-, canke bikiriho vyizigira amageneratore ya dizeli kugira ngo bihe ubushobozi bwa misi yose canke infashanyo y'isonga.
Muri ico gihe nyene, ibikorwa vyo mu bibanza vy’amavuta biriko vyongerako uburyo bwo kugenzura, ibikoresho vy’umuyagankuba, imodoka zikora ibikorwa, ahantu ho gusanasana mu gihe gito, be n’ivyo gushaja telefone ngendanwa. Ivyo biravyura ikibazo gihambaye:Ni gute wohitamwo Mobile BESS ibereye ku kazi k’amavuta?
Inyishu si uguhitamwo gusa ibateri nini kuruta izindi zose. Abakoresha barakeneye kugenzuraumuzigo nyawo wo ku rubuga, umusaruro wa kW, ubushobozi bwa kWh, urugendo rw'ibikorwa, ukwimuka, n'isoko yo gusubiramwo umuriro. Iyi nkuru irasigura intambwe yose kandi ifasha guhuza ibikorwa bitandukanye vyo mu bibanza vy’amavuta n’urutonde rw’ibikoresho vy’amavuta vy’amatelefone ngendanwa.
Intambwe ya 1: Menya ubwoko bw’umuzigo w’amavuta imbere yo guhitamwo BESS igendagenda
BimwebimweImbuga z'amariba ya kuregusa bikeneye ubushobozi bwo gusubiza inyuma mu guhanahana amakuru no kugenzura. Abandi bakeneye amashanyarazi y’igihe gito y’aho bakoresha kugira ngo bashobore gukoresha ibikoresho n’umuco. Imbuga nini zishobora gukenera ubufasha bugoyagoya bw'uruzitiro canke gukoresha umuyagankuba w'amazi.
Ubwoko bwose bw'umuzigo burahindura inzira y'ubunini.Imbonerahamwe iri musi iratanga urutonde rw'ubwoko bumwe bumwe bw'imitwaro isanzwe y'amavuta.
| Ubwoko bw'umuzigo w'amavuta | Ingero zisanzwe | Ico Bisobanura ku Guhitamwo |
| Ibikoresho vy'ububiko bihambaye | Ivyuma vya PLC, uburyo bwa SCADA, ibimenyetso, ibikoresho vyo guhanahana amakuru ku bibanza vy'amariba biri kure | Ikeneye ubushobozi bwo gusubiza inyuma buhamye n'igihe co gukora, ariko si ko vyama ari ubushobozi bwinshi |
| Imitwaro yo gusanasana y'igihe gito | Urumuri, ibikoresho vy'umuyagankuba, ivy'igihe gito ibiro, ibikoresho vyo kugenzura |
Bikeneye uruvange ruringaniye rw'umusaruro wa kW n'ubushobozi bwa kWh |
| Imizigo yo gushaja telefone ngendanwa | Ibinyabiziga vy'ibikorwa, ibikoresho vy'umuyagankuba, umurima ibikoresho vyo gufasha |
Bikeneye ubushobozi bwinshi bwo gusohoka n'uburyo bwo gushaja bubereye |
| Intege nke-umurima w'uruzitiro | Inguvu zigabanuka, isonga ry'intango, gushaja ibipimo, uruzitiro rudashikamye |
Bikeneye inyishu yihuta n'ububasha buhagije bwa PCS |
| Imyago ya dizeli | Infashanyo y'umuyagankuba, umuzigo muto- ibihe, gushavura kw'isonga |
Bikeneye ubugenzuzi bwa EMS, ubushobozi bwo kubika, n'uguhuza umuyagankuba |
| Ibikorwa bikomeye-imitwaro y'umurima | Multi-imirongo yo gushaja, uturere twinshi tw'ububasha bw'igihe gito, ibikoresho vy'ububasha bwinshi-ugufasha | Bikeneye ubushobozi bwinshi, ubushobozi bwinshi, canke ubuhinga buhuye |
Intambwe ya 2: Ingano kW Isohoka ry'Isonga ry'Ishaja, Ibikoresho, n'Imizigo y'Inguvu y'Inguvu
Aho niho kW ihambaye.kW yerekana ubushobozi Mobile BESS ishobora gutanga igihe kimwe .. Iyo kW iri hasi cane, iyo sisitemu ishobora kutashigikira imizigo yose igenda hamwe. Ishobora kandi kurwana n'isonga ry'intango, ugusaba kwishura, canke ibintu bigufi vy'ububasha bwinshi-.
Ikibanza c’amavuta gishobora kuba gifise imizigo ikurikira igenda igihe kimwe:
| Umutwaro | Inguvu zigereranywa zo kwiruka |
| Gukurikirana no guhanahana amakuru | 5kW |
| Urumuri n'imitwaro y'ibiro vy'igihe gito | 10kW |
| Ibikoresho vy'umuyagankuba n'ibikoresho bitobito | 15kW |
| Umuzigo wo gushaja w'igihe gito | 30kW |
| Umuzigo wose uriko uriruka | kW |
Muri ivyo, umuzigo usanzwe wo kwiruka ushobora gushika nko kuri 60kW. Ariko isonga nyaryo rishobora kuba hejuru cane mu gihe c’amadirisho magufi y’itongo, nk’igihe umuco, ibikoresho, imizigo yo kugenzura, n’igihe co gushaja bihuriye hamwe. Igikoresho co gushaja-gutera canke gutangura moteri bishobora kumara igihe gito gusa, ariko Mobile BESS iracari ikeneye ibihagijeUburyo bwo guhindura ubushobozi (PCS)isohoka kugira ngo uyikoreshe ata guhagarara kw’umuriro canke uguhagarika kw’imirongo.
Ni co gituma abakoresha bakwiye gusuzuma ivyo vyose bibiri:
- ugusaba ubushobozi buhoraho
- Igisabwa c'isonga kigufi
👉Inyuma yo gusobanura iyo mibare ibiri, abakoresha barashobora kuyikoresha kugira ngo bagabanye umugwi w’ububasha busabwa imbere yo kugereranya ibigereranyo vyihariye.
Ku bikoresho bitobito vyo gusubiza inyuma, an80kW-ishure ry'ivyuma bigendagenda BESSbishobora kuba intango ngirakamaro. Ku bijanye n’ububasha bw’urubuga bw’igihe gito canke gushaja telefone ngendanwa, a120kW kugeza kuri 160kW -uburyo bwo mu rwegobirashobora gutanga inyungu nyinshi zo gukoresha. Ku bijanye n'ubugoyagoye-buffering y'uruzitiro, ubufasha bw'umuyagankuba, canke ugusaba kwishura kwinshi, abakoresha bashobora gukenera kuraba320kW-icigwa canke hejuru-uburyo bwo gusohora.
Kuri iyi ntambwe, intumbero n’uguhitamwo akarorero ka nyuma n’ubu. Urufunguruzo ni ukumenya neza ko Mobile BESS ifise ubushobozi buhagije bwo kwikorera umuzigo nyawo, cane cane mu gihe c’isonga ry’ugutangura, ivy’ugushaja-hejuru, canke ibintu vy’uruzitiro bigoyagoya-.
Intambwe ya 3: Harura ubushobozi bwa kWh bushingiye ku gihe co gukora no ku giciro c'ububiko
Igihe ubushobozi busohoka busobanutse, intambwe ikurikira ni ubushobozi bw’inguvu. kWh yerekana igihe Mobile BESS ishobora gushigikira umuzigo. Uburyo bworoshe bwo gutangura ni:Ubushobozi bw'inguvu zikenewe=Umuzigo usanzwe × Amasaha y'igihe co gukora
Iyi mbonerahamwe yerekana igituma ata n'imwe "ibereye" Mobile BESS size y'ibikorwa vy'amavuta.
| Umuzigo usanzwe | Igihe co kwiruka | Ingufu z'ishimikiro zikenewe | Urutonde rwa sisitemu rushoboka |
| 10kW | Amasaha 10 | 100 kWh | 100kWh/156kWh |
| 30kW | Amasaha 8 | 240 kWh | 241kWh/261kWh |
| kW | Amasaha 5 | 400 kWh | 431 kWh |
| 100kW | Amasaha 6 | 600 kWh | 627kWh |
| 300kW | Amasaha 3 | 900 kWh | 863kWh canke hejuru |
Ico kigereranyo c’ishimikiro ni ngirakamaro, ariko ni intango gusa. Mu mugambi nyawo, ubunini bwa sisitemu ya nyuma bukwiye no kwitwararika:
- Ubushobozi bwa bateri ikoreshwa
- PCS n'ubushobozi bwo guhindura
- ubushobozi bwo kubika
- ubushuhe bwo mu bidukikije
- bateri irakura
- idirisha ryo gusubiramwo umuriro
- Ukwiyongera kw'umuzigo wo muri kazoza
👉Nk’akarorero, iyo akarere k’akazi k’igihe gito gakeneye 30kW mu masaha 8, inguvu z’ishimikiro zikenewe ni 240kWh. Ariko ivyo ntibisigura ko ubuhinga bwa 241kWh buhagije ubwabwo. Mu gukoresha vy’ukuri amavuta, igice ca bateri gishobora kubikwa nk’ububiko bwa SOC, kandi inguvu zimwe zimwe ziratakazwa biciye mu guhindura. Ubushuhe bwinshi, urugero rwo gukura, n’idirisha ry’ugusubiramwo umuriro ritoyi na vyo nyene birashobora kugabanya inguvu zikoreshwa.
Ni co gituma .kW na kWhbitegerezwa gusuzumwa hamwe. Ivyo vyose birakenewe kugira ngo Mobia le BESS ishobore gupima ubunini bwizigirwa.
Intambwe ya 4: Huza Mobile BESS n'Imirongo y'Ibikorwa vy'Ikigo c'Amavuta
1. Ibikoresho bihoraho canke biramvye-
Ibisanzwe: ugukurikirana kure, uburyo bwo guhanahana amakuru, urumuri rw’igihe gito, ibiro bitobito, n’ububasha bwo gusubiza inyuma.
Ivyiyumviro vy'uguhitamwo: kWh ikoreshwa, igihe co gusubiza inyuma, urugero rw'ububiko, ubushobozi bwo gutwara buke-, n'umusaruro udahinduka.
2. Infashanyo y'isonga ry'igihe gito
Ibisanzwe: ibikoresho bitangura, igikoresho co gushaja-duga, ibikoresho vyinshi bikorana, intege nke-umuriro w'uruzitiro ugabanuka, cankeumuyagankuba wa dizeliumuzigo urahinduka.
Ivyo guhitamwo: ubushobozi bwa PCS, ubushobozi bwo gutwara ibintu birenze urugero, umuvuduko wo kwishura, n’igihe co gusohoka.
3. Gushaja kenshi
Ibisanzwe: imodoka zikoreshwa, ibikoresho vy'umuyagankuba, ibikoresho vyo gufasha mu ndimiro, n'aho umuntu ashobora gushaja.
Ivyo guhitamwo: igisohoka co gushaja, ubwoko bw’interface, umubare w’ibihe vyo gushaja ku musi, gucunga ubushuhe, n’idirisha ryo gushaja rya Mobile BESS ubwayo.
Muri make, imbuga zibiri zishobora gukoresha kWh imwe ku musi ariko zikaba zikeneye imiterere itandukanye ya Mobile BESS. Ihitamwo rya nyuma ntirikwiye guhura n’inguvu zikenewe gusa, ariko kandi n’ingene bikora vy’ukuri.
Intambwe ya 5: Suzuma Ugutembera, Uko Ushobora Gushika ku Binyabiziga, n’Imimerere Bikomeye y’Ikibanza
Inguvu z’amavuta ntizikoreshwa mu kibanza gisukuye, kidahinduka, kiri mu nzu.
Hari imigambi yo gukora amavuta iguma ahantu hamwe amezi menshi. Abandi na bo bimukira hagati y’aho amariba ari, ahantu hasukurwa be n’aho bakorera ibikorwa vy’igihe gito. Iyo iyo nzira ikeneye kwimuka kenshi, kwimuka bica biba igice nyamukuru c’uguhitamwo.
Abakoresha bakwiye gusuzuma:
- nimba umuduga-ushizweko BESS igendagenda ikenewe
- uburemere n'ingero z'ivyo gutwara
- inzira n'uburyo bwo gushika ku kibanza
- Igihe co gutegura inyuma yo gushika
- gukurura canke guterura bisabwa
- imiterere y'ihuriro ry'imigozi
- ni kangahe sisitemu ikeneye kwimuka
Ku bibanza vy'amavuta vy'igihe gito n'ibihinduka, uburyo bwo kubika inguvu zigendagenda bushizwe ku nkoko-bushobora gutuma gukoresha vyoroha. Bishobora kandi kugabanya ivy’ibikorwa remezo vy’amashanyarazi bihoraho mu migambi y’intango- canke y’igihe gito-.
Ibidukikije vy’aho hantu na vyo nyene birahambaye.Ibibanza vy'amavuta bishobora guhura n'ubushuhe, inkungugu, imvura, ukunyiganyiga, gutwara urugendo rurerure-, n'uburyo bwo gusanasana buke. Ivyo bishobora kugira ico bikoze ku mikorere ya bateri, ku kurinda uruzitiro, ku gucungera ubushuhe, ku gushikama kw'ihuriro, no ku kwizigirwa kw'igihe kirekire-. Ku bikorwa vyo mu bibanza vy’amavuta, Mobile BESS ibereye ntikwiye kubakwa gusa ku bijanye n’ugusohora umuyagankuba, ariko kandi ku bijanye n’ugukoresha hanze, ugushikama kw’ivy’ugutwara, ugukingira umutekano, no kugenzura kure.
Intambwe ya 6: Gutegura Gusubiramwo umuriro uvuye ku Ruzitiro, Dizeli, Ivyuka Bisubirwamwo, canke Ikigo c’Ishingiro
BESS igendagenda ntisohora ubushobozi gusa. Irakeneye kandi gusubiramwo umuriro.
Iyo ntambwe akenshi irarengagizwa, ariko irashobora gufata ingingo nimba iyo nzira ikora neza mu bikorwa vya misi yose. Iyo iyo sisitemu idashobora gusubiramwo umuriro ningoga bihagije hagati y’ibihe vy’akazi, mbere n’iyo bateri ifise ubunini bubereye yoshobora gutuma umuntu ateba.
Inkomoko rusangi zo gusubiramwo umuriro harimwo:
| Inkomoko yo gusubiramwo | Ivyo wosuzuma |
| Inguvu z'uruzitiro | Ubushobozi buriho, idirisha ryo gushaja, igiciro c'umuyagankuba |
| Umuyagankuba wa dizeli | Ingano ya jeneratore, ikoreshwa ry'amavuta, ubuhinga bwo kugenzura |
| Izuba canke umuyaga | Gushikama kw'isohoka, imipaka y'ikirere, ubugenzuzi bwa EMS |
| Urugo rw'ishimikiro ruriko rurashaja | Urugendo rwo gutwara, urutonde rwo kwishura, gutegura ahantu |
| Inkomoko y'ububasha | Inguvu zibanza, ububiko, ingamba zo gukoresha |
Ico gikorwa co gusubiramwo umuriro gikwiye guhura n’ingendo y’igikorwa.
Sisitemu ikoreshwa mu gusubiza inyuma rimwe na rimwe yoshobora kutakenera gushaja kenshi. Uburyo bukoreshwa mu gushaja telefone ngendanwa ku musi ku musi bushobora gukenera idirisha ry’ugushaja rigaragara neza. Uburyo bw'inguvu nyinshi-bukoreshwa ahantu kure bushobora gukenera gushaja buva ku ruzitiro, umuyagankuba, canke inguvu zishobora gusubirwamwo.
Imbere y’uguhitamwo kwa nyuma, abakoresha bakwiye kwemeza aho bashobora gusubiramwo umuriro, ubushobozi bwo kwinjira buriho, idirisha ryo gusubiramwo umuriro, incuro bakoresha ku musi ku musi, ububiko bwo gusubiramwo, n’uko uruzitiro, dizeli canke inguvu zishobora gusubirwamwo bizoba biri muri uwo mugambi.
Polinovel BESS amahitamwo y'ibikorwa vy'amavuta
Amaze kugenzura ubwoko bw’umuzigo, umusaruro wa kW, ubushobozi bwa kWh, igikorwa, ugutembera, n’isoko yo gusubiramwo umuriro, abakoresha barashobora kugereranya ivyo bakeneye mu mugambi wabo n’uburyo bwo gukoresha Mobile BESS buriho.
Imbonerahamwe iri musi ikoreshaIgitabu ca polino's urutonde rw'ibisubizo vya BESSnk’ingingo z’ishingiro ngirakamaro.
| Ivyipfuzo vy'amavuta | Urufunguzo rwo guhitamwo | Amahitamwo ya BESS y'amatelefone ngendanwa ya Polinovel |
| Ibikoresho vy'ububiko bihambaye | Inguvu zihamye zo gusubiza inyuma, gukora neza |
100KWH Uburyo bwo kubika inguvu z’amabateri y’ivyuma; 156kWh 80KW Igikoresho co gushaja BESS gigendagenda |
| Ububasha bw'urubuga bw'igihe gito | KW na kWh ziringaniye ku bikoresho, amatara, n’ibiro |
241kWh 120kW Uburyo bwo kubika inguvu zigendagenda; 261kWh 160KW uburyo bwo kubika ingufu zigendagenda |
| Gushaja telefone ngendanwa bitoroshe canke biringaniye | Igisohoka co gushaja, ikigaragaza, ugusaba gushaja ku musi |
241kWh 120kW Uburyo bwo kubika inguvu zigendagenda; 261kWh 160KW Uburyo bwo kubika inguvu zigendagenda zishizwe ku nkoko; 431kWh 320KW Ububiko bw'inguvu BESS bugendagenda |
| Intege nke-ububiko bw'uruzitiro | Inyishu yihuta, ubushobozi bwa PCS, ubufasha bugufi bw'isonga |
431kWh 320KW Uburyo bwo kubika inguvu BESS bugendagenda; 627kWh 320KW Ububiko bw'inguvu za bateri y'itelefone ngendanwa |
| Infashanyo y'umuyagankuba wa dizeli | Igenzura rya EMS, guhuza umuyagankuba, ubushobozi bwo kubika |
261kWh 160KW Uburyo bwo kubika inguvu zigendagenda zishizwe ku nkoko; 431kWh 320KW Uburyo bwo kubika inguvu BESS bugendagenda; 627kWh 320KW Ububiko bw'inguvu za bateri y'itelefone ngendanwa |
| Gushaja ibikorwa bikomeye- canke gushaja vyinshi - | Igisohoka kinini, ubushobozi bwinshi, gushaja imirongo myinshi- |
863kWh 640KW Uburyo bwo kubika ingufu z’amabateri BESS igendagenda; 1.293MWh 1.2MW Ububiko bw'inguvu BESS bugendagenda |
Imbonerahamwe iri hejuru ni intango ngirakamaro, si igisubizo ca nyuma co gupima. Mu migambi nyayo y’amavuta, Mobile BESS ibereye ikwiye gusuzumwa n’amakuru y’umuzigo nyawo, ivyipfuzo vy’isonga, ubushobozi bwa bateri ikoreshwa, urugero rw’ububiko, uko ahantu hameze, n’umugambi wo gusubira gukoresha.
Kugira ngo uhitemwo ivyerekanwa vya nyuma, ni vyiza ko ubaza uwukora iyo sisitemu n’amakuru nyayo y’imikorere y’uwo mugambi.
Amakosa asanzwe umuntu akwiye kwirinda igihe ahitamwo Mobile BESS
Guhitamwo Mobile BESS mbi bishobora gutuma idakora neza, ubushobozi butakaza, canke urubuga rucerezwa. Imbonerahamwe iri musi iraca irya n’ino amakosa menshi asanzwe yo gupima ubunini mu gukoresha amavuta.
| Ikosa | Igituma bihambaye |
| Guhitamwo na kWh gusa | Sisitemu ishobora kunanirwa mu gihe c'isonga ry'intango, gushaja ramp-hejuru, canke intege nke-ibintu vy'uruzitiro iyo kW isohoka iri hasi cane. |
| Kwirengagiza igisabwa c'isonga | Amadirisho magufi akoreshwa ashobora gutuma haba inkengeri z’umuzigo urenze urugero, igisohoka kidashikamye, canke gutakaza umuzigo ku nguvu. |
| Kwibagirwa idirisha ryo gusubiramwo umuriro | Ubuhinga bushobora kutaronka inguvu zihagije imbere y’igikorwa co mu ndimiro gikurikira. |
| Gukoresha uburyo bumwe ku rubuga rwose | Igikoresho co kugenzura, ikibanza co gushaja, n'ikibanza c'uruzitiro gifise intege nke-bikeneye uburyo butandukanye bwo gupima. |
| Kwirengagiza ivy'umurima | Ubushuhe, inkungugu, ukunyiganyiga, ukuronka inzira, n’imiterere y’imirongo bishobora kugira ico bikoze ku kwizigirwa n’umuvuduko wo gukoresha. |
Guhitamwo Mobile BESS ibereye ku bikorwa vyo mu bibanza vy’amavuta si ugutora bateri nini kuruta izindi. Ni ukujanye no guhuza urutonde n’aho akazi nyako kari.
Amaze kugenzura ubwoko bw’umuzigo, ubushobozi bwa kW, ubushobozi bwa kWh, ingendo y’igikorwa, ukugendagenda, n’aho umuntu ashobora gusubiramwo umuriro, abakoresha barashobora gutahura neza ubwoko bw’uburyo urubuga rukeneye vy’ukuri.
Igitabu ca polinoInyishu za BESS zigendanwan'ubunini bwinshi bw'imirongo, kuva ku mirongo y'amabateri agendagenda gushika ku bikoresho vy'ubushobozi bwinshi-bishizwe ku bikoresho vy'ibinyabiziga. Yaba intumbero ari ubushobozi bw’amavuta bw’igihe gito, kugabanya dizeli, gushaja telefone ngendanwa, canke gufasha kw’uruja n’uruza, iyo sisitemu irashobora gutunganirizwa hakurikijwe ivy’ukuri vy’aho hantu n’ivyo bikenewe.
Ukeneye umuti wa Mobile BESS ku bikorwa vyo kure, vy'igihe gito, canke vy'intege nke-vy'amavuta? NdagusavyeTwandikirekugira ngo tugire ikiganiro cimbitse n'abahinga bacu.
Ibibazo vyerekeye BESS y'amavuta
Ikibazo: Ni kuki abakora mu bibanza vy’amavuta bakwiye guhitamwo Mobile BESS kuruta amageneratore ya dizeli asanzwe?
I: hile amageneratore ya dizeli ari yo mahitamwo ya kera, Mobile BESS itanga iterambere rikomeye mu mikorere:
- Ugukoresha neza amavuta: Bikuraho "low-load" idling (uguteranya amavuta), ivyo bikaba bitakaza amavuta kandi bikongera ugutunganywa ku moteri za dizeli.
- Gukora mu gacerere: Itanga ubushobozi 24/7 ku biro vy’aho hantu canke ku bikoresho vyo kugenzura ata rusaku canke umwotsi w’ibidukikije.
- Instant Power: BESS itanga inyishu y’imillisegonda ntoyi ku bipimo vy’umuzigo, bikabuza ugucika kw’umuriro kenshi kubonwa n’amageneratore y’ubuhinga.
Ikibazo: Mobile BESS ikora gute mu bidukikije bikomeye vy’amavuta?
I: Ivyumba vy'amavuta-, nk'ivyo muri Polinovel, birakomeye ku murima:
- Uburinzi bukomeye bwo kwinjira: Bufise IP54 canke IP55 kugira ngo ntihagire inkungugu nziza, umusenyi, n’imvura itera.
- Igenzura ry'ikirere: Rifise ubuhinga bwo gukonjesha canke bwo gukonjesha amazi kugira ngo amabateri akore neza mu bushuhe buva kuri -20 gushika kuri 50 .
- Uguhangana n'ugunyiganyiga: Ivyuma bikwegakwega -bifise igice c'inyuma gikomeye n'imbere kugira ngo bishobore kurokoka iyo bitwawe ku butaka butagira amabuye, buteye igomwe
Ikibazo: Ni igihe kingana iki BESS igendagenda ikoreshwa mu nganda?
I: Ukoresheje ubuhinga bwa LiFePO4 (Lithium Iron Phosphate), izo nzira zitanga inzinguzingu 3.000 gushika ku 5.000 imbere y’uko zishika ku 80% vy’ubushobozi bwazo bwa mbere. Mu bikorwa vyinshi vy’amavuta, ivyo bihindura ubuzima bw’ibikorwa bw’imyaka 8 gushika ku myaka 12, bivanye n’uburebure bw’amavuta asohoka ku musi ku musi be n’ingene ibidukikije vyifashe.