Kurinda Umurabyo hamwe nubutaka bwa Customer Solar Panel Sisitemu

Ukeneye kurinda inkuba hamwe nubutaka bwa sisitemu yizuba yihariye. Niba udafite ibi, sisitemu yawe iri mukaga. Inkuba irashobora gukubita sisitemu yawe mu buryo butaziguye cyangwa butaziguye. Imyigaragambyo itaziguye ntabwo ibaho kenshi. Inkuba itaziguye itera ibibazo byinshi, hafi 95%. Inkuba itaziguye irashobora kubabaza ibikoresho byawe mugihe runaka. Kurinda inkuba nziza hamwe nubutaka bituma sisitemu yawe itekana. Zifasha kandi izuba ryanyu kumara igihe kirekire.

Ibyingenzi

• Kurinda inkuba ni ngombwa cyane kuri sisitemu yizuba. Ihagarika ibyangiritse biturutse ku nkuba, haba mu buryo butaziguye kandi butaziguye.

• Shyira ibice byose byicyuma muri sisitemu yizuba. Ibi bigabanya amahirwe yo guhungabana amashanyarazi no kumena ibikoresho.

• Koresha ibikoresho byo gukingira byihuta kugirango sisitemu yawe irinde umutekano wa voltage. Shyira hafi y'ibikoresho byoroshye kugirango ubone ibisubizo byiza.

• Reba kandi witondere kubutaka bwawe no kubaga kenshi. Ibi birinda sisitemu yawe umutekano kandi ikora neza igihe kirekire.

• Kurikiza amategeko n'amashanyarazi yaho . Gukora ibi birinda sisitemu yawe umutekano kandi ikarinda amafaranga yawe.

Kuki Kurinda Umurabyo no Kuzenguruka ari ngombwa

Ingaruka zo Gukubita

Hariho akaga nyako mugihe washyizeho sisitemu yizuba. Inkuba irashobora gukubita sisitemu cyangwa kuyigiraho ingaruka kure. Niba inkuba ikubise, irashobora kumena panne nibindi bice ako kanya. Inkuba itaziguye ibaho kenshi kandi nikibazo kinini. Yohereza amashanyarazi ya electromagnetic ibabaza buhoro buhoro ibikoresho byawe. Ugomba kandi kumenya kubyerekeranye n'ubutaka bushobora kuzamuka. Ibi bivuze impinduka za voltage mubutaka zishobora kwitiranya na sisitemu y'amashanyarazi.

Dore imbonerahamwe yerekana ingaruka nyamukuru:

Ntawe ushobora kumenya igihe inkuba izakubita. Urashobora gukora sisitemu yawe neza ukoresheje ibyiza kurinda inkuba .

Ingaruka ku mikorere y'izuba

Inkuba irashobora gukora insinga nibikoresho hafi yizuba ryizuba bifite voltage nyinshi. Ibi birashobora kumena itumanaho, uburyo bwa inverter, hamwe nibikoresho byo gukurikirana. Kubaga hejuru ya volt 1.000 birashobora gutera ibibazo bito cyangwa bigatangira umuriro. Impamvu zishobora kuzamuka zishobora kumeneka udusanduku, gukora bateri zuzuye, no kubabaza inverter.

• Umuvuduko mwinshi uturuka kumurabyo urashobora kumena ibice byingenzi byizuba.

• Kubaga bishobora gutera ibishashi cyangwa umuriro.

• Impamvu zishobora kuzamuka zishobora kumena agasanduku na batiri.

Niba udakoresha kurinda inkuba, sisitemu yizuba irashobora guhagarika gukora neza. Irashobora gutakaza imbaraga kandi ntabwo yizewe. Ubushakashatsi bwerekana ko umurabyo ushobora gukora voltage zingana na 201,6 kV mumuzunguruko wa DC na 82 kV muri AC. Ibirenga birashobora kugera kuri 28.3 kA mumuzunguruko wa DC. Ukeneye ibikoresho byiza byo kurinda no kubaga kugirango ukingire sisitemu yawe kandi ikore.

Inama: Buri gihe ukurikize amategeko nka IEC na ABNT kugirango ushireho kandi urinde. Ibi bifasha izuba ryanyu kumara igihe kirekire no gukora neza.

Uburyo bwo Gutera Imirasire y'izuba

Inkoni zubutaka hamwe nimpeta

Ufite amahitamo abiri yingenzi yo guhagarika imirasire yizuba: inkoni zubutaka nimpeta zubutaka. Buri buryo burafasha kurinda ibikoresho byawe inkuba namashanyarazi.

Inkoni zo hasi ni ibyuma byajugunywe mu isi. Uhuza izo nkoni na sisitemu yizuba hamwe ninsinga. Inkoni zubutaka zikora neza kubantu bato cyangwa gutura. Bitwara make kandi bifata igihe gito cyo gushiraho. Urashobora kwitega ko amafaranga yo kwishyiriraho ari hagati ya $ 500 kugeza $ 2000 kumazu. Sisitemu yubucuruzi irashobora kugura hagati y $ 2000 na $ 8,000. Ikizamini cyumwuga cyongera $ 200 kugeza $ 500. Inkoni zo hasi zikenera kugenzura buri gihe kugirango zizere ko zigumaho neza.

Impeta zubutaka zikoresha umugozi winsinga ushyinguwe nizuba ryizuba. Ubu buryo buguha umwanya munini wo guhagarara. Impeta zubutaka zikora neza kuri sisitemu nini cyangwa yubucuruzi. Bitwara byinshi kandi bifata igihe kinini cyo gushiraho, ariko bitanga uburinzi bwiza. Impeta zubutaka zifasha gukwirakwiza amashanyarazi kuva inkuba cyangwa izuba.

Icyitonderwa: Guhagarara neza birashobora gukumira kwangirika kwumurabyo bishobora gutwara amadorari arenga 10,000 $ kumazu hamwe n’amadolari arenga 50.000 kubucuruzi.

Gutsindira Ibyuma Byose

Ugomba hasi ibice byose byicyuma muri sisitemu yizuba. Ibi birimo amakadiri, inverter, racking, hamwe nagasanduku k'amashanyarazi. Amategeko y’igihugu y’amashanyarazi (NEC) aragusaba guhagarika ibikoresho byose bifotora. NEC 250.4 (A) (2) ivuga ko ugomba guhagarara buri gice. NEC 250.4 (A) (3) na (B) (2) bisaba guhuza ibice byose byicyuma bidatwara umuyaga.

Imiyoboro ihanagura irema inzira itekanye kumashanyarazi yazimiye. Iyi nzira ireka amashanyarazi adashaka yinjira mwisi. Niba insulasiyo yananiwe cyangwa insinga zimenetse, guhagarara bihagarika voltage iteje akaga kuguma kumurongo wibyuma. Ubutaka burinda abantu amashanyarazi. Irinda kandi ibikoresho kwangirika, igabanya ingaruka zumuriro, kandi igakomeza urwego rwa voltage.

• Kuzuza ibice byose byicyuma bituma sisitemu yizuba itekanye.

• Urinze wowe ubwawe hamwe nabandi kwirinda amashanyarazi.

• Mugabanye ibyago byumuriro no kunanirwa ibikoresho.

• Ukurikiza amategeko yingenzi yumutekano.

Impanuro: Buri gihe ugenzure ko buri gice cyicyuma gihuza na sisitemu yo hasi. Iyi ntambwe ituma izuba ryanyu ririnda umutekano kandi ryizewe.

Ibikoresho byo Kurinda Umurabyo hamwe na Sisitemu

Inkuba n'abafata

Urashobora komeza imirasire yizuba yawe kurinda inkuba hamwe ninkuba hamwe nabafata. Ibi bikoresho byombi bikorana kugirango urinde ibikoresho byawe. Inkoni yumurabyo yicaye hejuru yizuba ryizuba. Ikurura inkuba kuri yo kandi ikohereza imbaraga mu butaka. Ibi bituma umurabyo utaba kure ya paneli yawe. Ufata inkuba ihuza sisitemu yawe hasi. Itanga voltage nini cyane inzira nziza yo kugera kwisi. Ibi bihagarika kwiyongera kunyura muri inverters cyangwa kugenzura. Nta kintu na kimwe gishobora guhagarika inkuba igihe cyose. Ariko gukoresha inkoni nabafata birashobora kugabanya ibyago hafi 95%.

Dore imbonerahamwe yerekana uburyo ibyo bikoresho bifasha:

Icyitonderwa: Gutera kureka inkuba ikajya mubutaka byoroshye. Ibi birinda ibikoresho byawe byizuba.

Kubaga Kurinda no Gushyira

Ibikoresho byo gukingira ni ngombwa cyane ku mutekano w'izuba. Bahagarika voltage itunguranye gusimbuka kubabaza sisitemu. Imirasire y'izuba ikunze kubona voltage mugihe cyumuyaga. Ibi bibaho kuko bitwikiriye ahantu hanini kandi hanze. Ugomba gushyira abarinzi ba surge ahantu heza kugirango umutekano mwiza.

Ubwoko bwa 2 burinda abaganga bagomba kujya kumurongo wingenzi wa inverter DC. Ibi bigomba gukora kugeza kuri 40kA. Kubuyobozi bwitumanaho rya inverter, koresha ibikoresho bya 3 bifite igipimo cya 5kA. Shira insinga imbere muri inverter ukoresheje metero 2-3. Ibi bifasha guhagarika gusimbuka gusimbuka hagati yinsinga.

Kurikiza izi nama zo gushyira abashinzwe kubaga:

• Shira abashinzwe kurinda hafi uko ushoboye kubikoresho ushaka kurinda umutekano.

• Menya neza ko uburebure bwinsinga buri munsi ya santimetero 30.

• Koresha byibuze insinga 6 AWG niba isonga ari ngufi ya metero 1.

• Kurwanya ubutaka bwawe bigomba kuba munsi ya 10 oms.

• Shira abafata surge mbere yibikoresho ushaka kurinda.

Ugomba kandi gushyira uburinzi bwa surge kumurongo winjira muri serivise no hafi yizuba ryizuba. Ibi biguha urwego rurenze rumwe rwo kwirwanaho. Igice cya mbere kirinda inzu yawe yose cyangwa inyubako yawe. Igice cya kabiri gituma imirasire yizuba hamwe na batteri birinda umutekano muke.

Akamaro ka Sisitemu Yihariye yo Kurinda

Ukeneye sisitemu idasanzwe yo gukingira inkuba. Imirasire y'izuba iri hejuru kandi ifite amakadiri y'icyuma. Ibi bituma byoroha kugirango inkuba ikubite. Sisitemu yo gukingira itandukanye ifata inkuba ikayohereza hasi neza. Ibi birinda ingufu ziteje akaga ibikoresho byawe byizuba.

Sisitemu yabugenewe igabanya amahirwe yumuriro nibindi byago. Bituma kandi ishoramari ryawe rigira umutekano. Ntukoreshe gusa insinga zizuba kugirango urinde. Buri gihe ukoreshe urutonde rwinkoni, abafata, nibikoresho byo gukingira byiyongera. Nuburyo bwiza bwo kwirinda ibyangizwa ninkuba.

Impanuro: Buri gihe menya neza ko sisitemu yo gukingira inkuba itari mubice byizuba. Ibi birinda sisitemu yawe umutekano kandi ikurikiza amategeko.

Niba ukoresheje ibikoresho byiza hanyuma ugakurikiza izi nama, urashobora kurinda sisitemu yumurasire wizuba kurinda inkuba. Ibikoresho byawe bizagumaho umutekano, uzakoresha amafaranga make mugusana, kandi sisitemu yawe izaramba.

Gushyira mu bikorwa Kurinda Impamvu no Kurinda Inkuba

Intambwe zo Kurinda Uruhande

Ugomba kurinda uruhande rwa DC umutekano wumurabyo no kuzamuka. Koresha inkoni zicyuma zidafite ingese, nkumuringa, kugirango uhinduke. Shyira izo nkoni mu butaka butose kugirango ugabanye imbaraga. Ahantu humye, koresha inkoni zometseho umuringa zifite uburebure bwa metero 8. Shyira byibuze metero 6 zitandukanye. Huza inkoni n'insinga z'umuringa zambaye ubusa. Niba utuye aho yumye, urashobora gukoresha ibirenge bifatika hamwe na rebar kugirango uhagarare. Buri gihe uhagarike DC ibibi ahantu hamwe na AC itabogamye mumashanyarazi nyamukuru.

• Shira ibikoresho byo gukingira surge hamwe nuwata muri yombi kumpande zombi zinsinga ndende.

• Toranya abafata neza nka PolyPhaser cyangwa Transtector niba ubonye inkuba nyinshi.

• Gusa uhuze uruhande rwa DC kubutaka ahantu hamwe kugirango uhagarike imirongo.

Kubaka insinga, amategeko avuga ko ugomba guhuza uruhande rumwe rwa sisitemu ya DC hasi. Ibi birinda urugo rwawe umutekano kandi rukurikiza amategeko agezweho.

Intambwe zo Kurinda Uruhande

Ugomba kurinda AC kuruhande rwa sisitemu yizuba ukora ibintu bike:

1. Ongeraho ibikoresho byo gukingira byihuta mugihe utegura sisitemu.

2. Koresha urwego rurenze rumwe rwo kurinda AC, DC, n'imirongo y'itumanaho.

3. Reba ibikoresho byo kurinda surge kenshi kandi ubihindure niba bishaje.

4. Kurikiza amategeko ya IEC na UL kuri sisitemu yizuba.

5. Tekereza ikirere cyaho, uko umurabyo ubona, nubwoko bwubutaka.

Kwishyira hamwe hamwe nibikorwa byiza

Iyo ushyize hamwe hamwe no gukingira inkuba hamwe, koresha ingano ya kiyobora yagenwe kumurabyo, nkumuringa wa 2 AWG, kumurongo wamanutse. Menya neza ko inkoni zubutaka zijya kuri metero 8 kugeza kuri 10 kugirango zigere kubutaka butose. Buri gihe kora ibyuma-byuma bihuza mugihe uhuza ibice. Koresha inyenyeri zogeje hamwe na anti-oxyde paste kugirango uhuze hanze. Gerageza kubona munsi ya 10 oms yo guhangana nubutaka bwiza. Komeza sisitemu yo gukwirakwiza amashanyarazi numurabyo ariko uhuze kugirango uhagarike ibibazo bya voltage.

Gukoresha amafaranga kubutaka bwiza no kurinda bihendutse kuruta gukosora ibyangiritse. Sisitemu nziza ituma imirasire yizuba ikingira kandi ikora neza.

Ibitekerezo Byihariye Kwishyiriraho

Sisitemu igendanwa na Off-Grid

Urashobora gukoresha imirasire y'izuba kuri RV, ubwato, cyangwa kabine kure. Ibi bikoresho bikenera gukingira no gukingira bitandukanye na sisitemu itimuka. Sisitemu zigendanwa zihuza amakadiri, bateri, na charger kuri chassis yimodoka. Ntukeneye inkoni y'ubutaka kuri ibi. Ibi bikomeza kwihanganira hasi cyane, hafi ya zeru oms. Irabika kandi amafaranga ikanahagarika imirongo yubutaka kubaho. Sisitemu ihagaze hanze ya gride ikoresha ubutaka bwa DC butandukanye kuri charger, bateri, hamwe ninjiza. Amakadiri ahuza kubutaka bwa AC. Ntugomba kongeramo inkoni zubutaka kuko ibi birashobora gukora ibizunguruka.

Dore imbonerahamwe yerekana itandukaniro nyamukuru:

Inama: Buri gihe ugenzure aho uhurira. Ubutaka bwiza butuma izuba ryanyu rifite umutekano, nubwo waba uri kure cyangwa wimuka.

Sisitemu nini cyangwa igoye

Imirasire y'izuba nini ifite ibibazo byihariye. Inkuba irashobora gukubita nta nteguza. Gukubita ku buryo butaziguye birashobora gutuma insinga zangiza kandi zimena ibikoresho. Fuse na breakers ntibihagije kugirango sisitemu yawe igire umutekano. Ibikoresho byo gukingira byihuta bikora byihuse kandi bigahagarika umuvuduko utunguranye.

Ugomba gukurikiza izi ntambwe kugirango umutekano urusheho kuba mwiza:

1. Shira 300V DC ikingira kurinda insinga nziza kandi mbi za PV kumugenzuzi.

2. Huza ibibanza byose kubutaka bumwe. Koresha iyi nsinga ku nkoni ikubita hanze.

3. Koresha 300V AC ikingira kurinda insinga zishyushye hamwe nubutaka bwuruhande rwa AC.

Ahantu hamwe hari ubutaka bwumucanga budafata amazi neza. Ukeneye inkoni yinyongera yubutaka hamwe nisano ikomeye kugirango ukore hasi. Kurugero, urashobora gushiramo bibiri cyangwa byinshi bya metero 8 zubutaka. Shyira kuri metero 6 hanyuma ubihuze na 6 AWG y'umuringa. Ibi bitanga voltage yinyongera inzira isobanutse kubutaka.

• Koresha uburinzi bwa surge kumpande zombi DC na AC.

• Menya neza ko impamvu zose zihuza ingingo imwe y'ingenzi.

• Ongeramo inkoni zubutaka zubutaka bwumutse cyangwa bwumucanga.

Icyitonderwa: Kurinda neza no gukingira birinda sisitemu yizuba yawe kurinda inkuba nizuba.

Kubahiriza, garanti, n'ubwishingizi

Amashanyarazi hamwe nubuziranenge

Ugomba gukurikira amategeko mugihe ushyizeho imirasire yizuba. Aya mategeko afasha kurinda sisitemu yawe umutekano. Bakubuza kandi gukora amakosa ahenze. Ahantu hatandukanye hakoreshwa ibipimo bitandukanye mukurinda inkuba. Hano hari imbonerahamwe ifite code zimwe zingenzi:

Ku ngo, ugomba kuba wujuje ibipimo bya NEC. Aya mategeko avuga ko ukeneye kurinda no gukingirwa. Amategeko yibanze arashobora gusaba byinshi niba sisitemu yawe ari nini. Sisitemu yubucuruzi ifite amategeko akomeye nka IEC 62305. Isosiyete yubwishingizi irashobora kwifuza kurushaho kurindwa.

Inama: Buri gihe ugenzure amategeko yaho mbere yuko utangira. Gukoresha ibipimo byiza bituma sisitemu yawe itekana kandi yemewe.

Ingwate n'ingaruka z'ubwishingizi

Kurinda neza no gukingira inkuba bifasha kurinda garanti yawe umutekano. Garanti nyinshi ntabwo zikubiyemo ibyangiritse biturutse ku nkuba. Niba usibye gusimbuka cyangwa kurinda ibintu, ushobora gutakaza garanti. NEC ivuga ko ugomba gukoresha uburinzi bwihuse kuri sisitemu zidafite ishingiro. Ukeneye ibyo bikoresho kugirango ugume utwikiriye.

Ibigo byubwishingizi byita kurinda inkuba. Umurabyo utera 15-25% by'ibisabwa kuri sisitemu y'izuba. Gusana birashobora gutwara ibihumbi mirongo cyangwa na miliyoni z'amadolari. Ubwishingizi bukubiyemo ibyangiritse ku mutungo, guhagarika ubucuruzi, no gusenya ibikoresho. Niba udakurikije amategeko, urashobora gutakaza ubwishingizi bwawe cyangwa kwishyura byinshi.

• Buri gihe ukoreshe uburinzi bwa surge hamwe nubutaka bukwiye.

• Bika inyandiko zintambwe zawe zo kurinda ubwishingizi.

• Reba politiki yawe kugirango urebe ibivugwa.

Icyitonderwa: Kurinda neza bituma igishoro cyawe kigira umutekano kandi kigufasha kwirinda igihombo kinini.

Amakosa Rusange yo Kwirinda

Impamvu idahagije

Hariho amakosa amwe ushobora gukora mugihe uhagaritse imirasire yizuba. Niba udahagaritse amakadiri, amashanyarazi yazimiye arashobora guhungabanya abantu. Ibibazo byumurabyo cyangwa amashanyarazi birashobora kumena sisitemu kandi bigatwara byinshi kugirango bikosorwe. Kudashingira sisitemu yawe birashobora kandi gutuma garanti yawe idafite akamaro kandi ukica amategeko yaho. Ugomba guhuza igice cyose cyicyuma, nkamakadiri nagasanduku, kuri sisitemu yo hasi. Ibi birinda ibikoresho byawe umutekano kandi birinda abantu bose.

• Kudashingira kumurongo bituma ihungabana rishoboka.

• Inkuba cyangwa amakosa birashobora guteza ibyangiritse bihenze.

• Gusimbuka hasi birashobora kurenga ku mategeko na garanti zidafite agaciro.

Impanuro: Buri gihe ugenzure aho uhurira mugihe ushyizeho na nyuma yumuyaga.

Kubura Kurinda

Kurinda kubaga ni ngombwa cyane kuri sisitemu yizuba. Kwiyongera kumurabyo cyangwa guhindura imbaraga birashobora gukora voltage iteje akaga. Uku kubaga gushobora kumena inverter, guhuza udusanduku, hamwe na monitor. Nubwo inkuba yaba kure, insinga ndende zirashobora kuzana sisitemu muri sisitemu. Ibyuma bya elegitoroniki byoroshye birashobora guhagarika akazi kandi bigatera ibibazo bikomeye. Kubaga birashobora kubabaza byode ya diode muri panne, itera ubushyuhe nimbaraga nke. Niba abakurikirana bavunika, ntushobora kubona uburyo sisitemu yawe ikora cyangwa gukemura ibibazo vuba.

Gutakaza uburinzi bwo kubaga bisaba ibirenze ibice no gusana. Niba uruganda rwawe rw'izuba ruhagaze, uhomba amafaranga. Buri saha sisitemu yawe izimye bivuze kwinjiza make. Ahantu hizuba, numunsi umwe kumurongo birashobora kwangiza igishoro cyawe. Igihe kirenze, surges irashobora kugabanya inyungu zawe niba udakingiye sisitemu.

Kubungabunga nabi

Niba utitaye kuri sisitemu yawe, ntabwo bizakora neza. Kutagenzura cyangwa gutunganya ibikoresho byubutaka nuburinzi byorohereza sisitemu yawe kwangirika. Umurabyo urashobora kumena panne no kwangiza selile ya Photovoltaque. Igihe kirenze, ibi bigabanya bateri nimbaraga za inverter. Ugomba reba sisitemu yawe kenshi kugirango irinde umutekano kandi ikore.

• Kubungabunga nabi bituma sisitemu yawe idakomera.

• Sisitemu yawe irashobora guhura nibibazo byinshi byumutekano.

• Inkuba irashobora kumena ibice no kugabanya uburyo sisitemu ikora.

Igenzura risanzwe rifasha sisitemu yizuba kuguma mumutekano kandi ikaramba.

Ukeneye kurinda inkuba no guhagarara kumirasire y'izuba. Ubushakashatsi bwerekana ko inkuba ishobora gutera ibibazo bikomeye. Ugomba guhagarika ibice byose byicyuma kandi ugakoresha uburinzi bwa surge. Abahanga bavuga ko ugomba gukora ibi bintu:

• Shyira kurinda kurinda kumwanya munini na inverter.

• Koresha imiringa cyangwa umuringa wubutaka hamwe nuburwanya buke.

• Reba sisitemu yawe yubutaka rimwe mu mwaka.

1. Kurikiza amategeko yumutekano.

2. Shira imirabyo hamwe nibyobo byisi ahantu heza.

3. Baza umunyamwuga gufasha mugushushanya no kuzamura.

Komeza ishoramari ryawe mukora umutekano ikintu cyingenzi.

Ibibazo

Bigenda bite iyo usibye gusimbuka imirasire y'izuba?

Urashobora guhura namashanyarazi, ibikoresho byangiritse, numuriro. Ubwishingizi ntibushobora kwishyura igihombo. Garanti yawe irashobora kuba impfabusa. Impamvu ituma sisitemu yawe itekana kandi yizewe.

Ni kangahe ugomba kugenzura ibikoresho byo kurinda surge?

Ugomba kugenzura abashinzwe kubaga inshuro imwe mu mwaka. Simbuza igikoresho icyo ari cyo cyose cyerekana kwambara cyangwa kwangirika. Igenzura risanzwe rifasha gukumira gutsindwa bihenze.

Urashobora gukoresha inkoni imwe yubutaka kumpande zombi za AC na DC?

Ntugomba gukoresha inkoni imwe kumpande zombi. Gutandukanya gutandukana birinda ibizunguruka kandi bigakomeza sisitemu yawe umutekano. Buri gihe ukurikize kode zaho.

Imirasire y'izuba igendanwa ikenera inkuba?

Sisitemu zigendanwa ntizikeneye inkoni. Uhindura ikadiri kuri chassis. Ubu buryo butuma kurwanya birinda kandi bikarinda ibikoresho byawe.

Nuwuhe mugozi mwiza wo guhagarika imirasire y'izuba?

Ugomba gukoresha insinga z'umuringa, byibuze 6 AWG. Umuringa urwanya ruswa kandi utwara neza neza. Umugozi muremure utezimbere umutekano n'imikorere.