Intangiriro

Mu buryo bugezweho bw'ingufu n'ibikoresho by'ikoranabuhanga, ibikoresho birinda ingufu (SPDs) na inverters, nk'ibice bibiri by'ingenzi, imikoranire yabyo ni ingenzi mu gutuma sisitemu yose ikora neza kandi mu mutekano. Bitewe n'iterambere ryihuse ry'ingufu zishobora kuvugururwa no gukoreshwa cyane kw'ibikoresho by'amashanyarazi, ikoreshwa ry'ibi byombi ryarushijeho kuba risanzwe. Iyi nkuru izasuzuma amahame y'imikorere, ibipimo ngenderwaho byo guhitamo, uburyo bwo gushyiraho SPDs na inverters, ndetse n'uburyo zishobora guhuzwa neza kugira ngo zitange uburinzi bwuzuye ku buryo bw'ingufu.

 

 

Igice cya 1: Isesengura ryimbitse ry'abarinda indwara zo mu bwonko

 

1.1 Igikoresho cyo kurinda umuvuduko w'amazi ni iki?

 

Igikoresho kirinda umuvuduko w'amashanyarazi (SPD mu magambo ahinnye), kizwi kandi nka surge arrester cyangwa overvoltage protector, ni igikoresho cy'ikoranabuhanga gitanga uburinzi ku bikoresho bitandukanye by'ikoranabuhanga, ibikoresho, n'imiyoboro y'itumanaho. Gishobora guhuza circuit irinzwe na sisitemu y'ibikoresho mu gihe gito cyane, bigatuma ubushobozi kuri buri cyambu cy'ibikoresho bungana, kandi icyarimwe kikarekura umuvuduko w'amashanyarazi ukomoka muri circuit bitewe n'inkuba cyangwa ibikorwa byo guhindura amashanyarazi ku butaka, bityo kikarinda ibikoresho by'ikoranabuhanga kwangirika.

 

Udukingirizo tw’ubushyuhe dukoreshwa cyane mu nzego nko mu itumanaho, ingufu, amatara, kugenzura, no kugenzura inganda, kandi ni igice cy’ingenzi kandi cy’ingenzi mu buhanga bwo kurinda inkuba bugezweho. Dukurikije amahame ya Komisiyo Mpuzamahanga y’Ubuhanga mu by’Ikoranabuhanga (IEC), utwugarizo tw’ubushyuhe dushobora gushyirwa mu byiciro bitatu: Ubwoko bwa I (bugamije kurinda inkuba mu buryo butaziguye), Ubwoko bwa II (bugamije kurinda sisitemu yo gukwirakwiza), n’ubwoko bwa III (bugamije kurinda ibikoresho bya terminal).

 

1.2 Ihame ry'imikorere ry'uburinzi bw'ubushyuhe

 

Ihame ry'ingenzi ry'imikorere y'umurinzi w'amashanyarazi rishingiye ku miterere y'ibice bidafite umurongo (nk'ibice bikoresha amashanyarazi, imiyoboro ya gaze, diode zo gufunga amashanyarazi y'igihe gito, nibindi). Mu gihe cy'amashanyarazi asanzwe, bigaragaza imiterere ya impedance iri hejuru kandi nta ngaruka bigira ku mikorere ya circuit. Iyo amashanyarazi akabije abayeho, ibi bice bishobora guhindura imiterere ya impedance iri hasi mu masegonda make, bigahindura ingufu za overvoltage zikajya ku butaka bityo bigagabanya voltage ku bikoresho birinzwe ikagera ku rwego rwo hejuru.

Uburyo bwihariye bwo gukora bushobora kugabanywamo ibyiciro bine:

 

1.2.1 Icyiciro cyo gukurikirana

 

Ihuriro rya SPDigenzura buhoro buhoro ihindagurika ry'amashanyarazi mu muyoboro w'amashanyarazi. Iguma mu mimerere yo kutagira impedansi nyinshi mu rugero rusanzwe rw'amashanyarazi, nta ngaruka ku mikorere isanzwe ya sisitemu.

 

1.2.2 Icyiciro cyo gusubiza

 

Iyo voltage igaragaye ko irenze urugero rw'amashanyarazi (nk'urugero rwa 385V kuri sisitemu ya 220V), ikintu gikingira gisubiza vuba mu masegonda make.

 

1.2.3 Gusohora icyiciro

Ikintu kirinda gihinduka kijya mu mimerere yo kutagira impedansi nyinshi, bigatuma habaho inzira yo gusohora amazi kugira ngo ayobore umuvuduko w’amashanyarazi ku butaka, mu gihe gikomeza gushyira ingufu ku bikoresho birinzwe ku rwego rwiza.

 

1.2.4 Icyiciro cyo gukira:

Nyuma yo kwiyongera, igice cyo kurinda gisubira mu buryo bwikora ku rugero rwo hejuru, maze sisitemu igasubira gukora nk'uko bisanzwe. Ku bwoko budashobora kwiyubaka, gusimbuza module bishobora kuba ngombwa.

 

1.3 Uburyo kuri hitamo igikoresho cyo kurinda umuvuduko

 

Guhitamo igikoresho gikingira indwara ziterwa n’ingufu bisaba gutekereza ku bintu bitandukanye kugira ngo urebe ko hari ingaruka nziza ku burinzi n’inyungu ku bukungu.

 

1.3.1 Hitamo ubwoko bushingiye ku miterere ya sisitemu

 

- Sisitemu zo gukwirakwiza ingufu za TT, TN cyangwa IT zisaba ubwoko butandukanye bwa SPD

- SPDs za sisitemu za AC na sisitemu za DC (nk'izikoresha photovoltaic) ntizishobora kuvangwa

- Itandukaniro riri hagati ya sisitemu y'icyiciro kimwe n'iy'icyiciro cya gatatu

 

1.3.2 Urufunguzo Guhuza Ibipimo

 

- Voltage ntarengwa ihoraho (Uc) igomba kuba iri hejuru y'voltage ihoraho ishoboka iyo sisitemu ishobora guhura nayo (ubusanzwe inshuro 1.15-1.5 z'voltage isanzweho)

- Urwego rwo kurinda amashanyarazi (Hejuru) rugomba kuba ruri hasi ugereranije n'amashanyarazi yo kwihanganira amashanyarazi y'ibikoresho birinzwe

- Umuyoboro w'amazi usohoka mu buryo bwa nomine (In) n'umuyoboro ntarengwa usohoka mu buryo bwa nomine (Imax) bigomba gutoranywa hashingiwe ku hantu hashyirwa n'ubukana bw'amazi asohoka mu buryo bwa nomine.

- Igihe cyo gusubiza kigomba kuba cyihuse bihagije (ubusanzwe

 

1.3.3 Gushyiramo Ibitekerezo ku hantu

 

- Aho amashanyarazi yinjira hagomba kuba hari SPD yo mu cyiciro cya mbere cyangwa icya kabiri

- Akabati ko gukwirakwiza ibintu gashobora gushyirwamo SPD yo mu cyiciro cya kabiri

- Igice cy'imbere cy'ibikoresho kigomba kurindwa na SPD yo mu cyiciro cya gatatu

 

1.3.4 Idasanzwe Ibisabwa ku bidukikije

 

- Ku bijyanye no gushyira hanze, tekereza ku bipimo bidashobora kuvogerwa n'amazi n'umukungugu (IP65 cyangwa hejuru yayo)

- Mu bidukikije bifite ubushyuhe bwinshi, hitamo SPD zikwiriye ubushyuhe bwinshi

- Mu bidukikije byangiza, hitamo ahantu hafite ubushobozi bwo kurwanya ingese

 

1.3.5 Icyemezo Amahame

 

- Ikurikiza amahame mpuzamahanga nka IEC 61643 na UL 1449

- Ifite icyemezo cya CE, TUV, n'ibindi.

- Kuri sisitemu za photovoltaic, igomba kubahiriza ibipimo ngenderwaho bya IEC 61643-31

 

1.4 Uburyo bwo shyiramo ikirinda umuvuduko

 

Gushyiraho neza ni ingenzi mu kwemeza ko ibikoresho birinda umuvuduko bikora neza. Dore ubuyobozi bw'umwuga bwo gushyiraho

 

1.4.1 Gushyiraho Aho biherereye Guhitamo

 

- SPD y'amashanyarazi igomba gushyirwa mu gasanduku gakuru gakwirakwiza, hafi y'inkombe y'umurongo winjira uko bishoboka kose.

- Agasanduku k'inyongera gatanga amakuru (SPD) kagomba gushyirwaho nyuma yo guhindura.

- SPD y'imbere y'ibikoresho igomba gushyirwa hafi y'ibikoresho birinzwe uko bishoboka kose (ni byiza ko intera iba munsi ya metero 5).

 

1.4.2 Insinga z'amashanyarazi Ibisobanuro

 

- Uburyo bwo guhuza "V" (Kelvin connection) bushobora kugabanya ingaruka z'uburyo icyuma gitwara amashanyarazi.

- Insinga zihuza zigomba kuba ngufi kandi zigororotse uko bishoboka kose (

- Ubuso bw'insinga bugomba kubahiriza amabwiriza (ubusanzwe nta nsinga z'umuringa zifite 4mm²).

- Insinga yo hasi igomba guhitamo insinga y'umuhondo n'icyatsi kibisi ifite amabara abiri, ifite agace kayitandukanya katari munsi y'ak'insinga y'icyiciro.

 

1.4.3 Gutera hasi Ibisabwa

 

- Ibice byo hasi bya SPD bigomba kuba bifatanye neza na bisi ikora hasi.

- Ubudahangarwa bw'ubutaka bugomba kubahiriza ibisabwa muri sisitemu (ubusanzwe

- Irinde kugira insinga ndende cyane zo gufunga, kuko ibi byongera impedance yo gufunga.

 

1.4.4 Gushyiraho Intambwe

 

1) Kuraho amashanyarazi hanyuma wemeze ko nta voltage ihari

2) Bika ahantu ho gushyiramo ibikoresho mu gasanduku gatanga ibikoresho hakurikijwe ingano ya SPD

3) Kosora inkingi ya SPD cyangwa inzira y'ubuyobozi

4) Huza insinga y'imashini, insinga idafite aho ibogamiye n'insinga yo hasi hakurikijwe igishushanyo mbonera cy'insinga

5) Reba niba imiyoboro yose irinzwe neza

6) Cana umuriro wo gupima, reba amatara yerekana uko ibintu bimeze

 

1.4.5 Gushyiraho Amabwiriza yo Kwirinda

 

- Ntugashyiremo SPD mbere y'uko fuse cyangwa circuit breaker itangira.

- Intera ihagije (uburebure bw'insinga > metero 10) igomba gukomeza hagati ya SPD nyinshi cyangwa hongerweho igikoresho cyo gukuraho.

- Nyuma yo gushyiraho, igikoresho cyo kurinda umuvuduko ukabije (nk'icyuma gikingira umuvuduko cyangwa icyuma gihagarika amashanyarazi) kigomba gushyirwa ku mpera y'imbere ya SPD.

- Hagomba gukorwa igenzura rihoraho (nibura rimwe mu mwaka) no kubungabunga. Igenzura rikomeye rigomba gukorwa mbere na nyuma y'igihe cy'inkuba.

 

Igice cya 2: Muri-isesengura ryimbitse ry'inverters

 

2.1 Inverter ni iki?

 

Inverter ni igikoresho cy'amashanyarazi gihindura umuyoboro w'amashanyarazi utaziguye (DC) mo umuyoboro usimburana (AC). Ni igice cy'ingenzi cy'ingenzi mu buryo bw'ingufu zigezweho. Bitewe n'iterambere ryihuse ry'ingufu zishobora kuvugururwa, ikoreshwa rya inverter ryarushijeho gukwirakwira, cyane cyane muri sisitemu zo gutanga ingufu za photovoltaic, sisitemu zo gutanga ingufu z'umuyaga, sisitemu zo kubika ingufu, na sisitemu zo gutanga ingufu zitavangwa (UPS).

 

 

Inverters zishobora gushyirwa mu byiciro bibiri: square wave inverters, modified sine wave inverters na pure sine wave inverters hashingiwe ku miterere yazo y’umuvuduko; zishobora kandi gushyirwa mu byiciro bibiri: inverters zihujwe na grid, inverters zidafite grid na hybrid inverters hashingiwe ku miterere yazo; kandi zishobora kugabanywamo micro inverters, string inverters na centralized inverters hashingiwe ku mbaraga zazo.

 

2.2 Gukora Ihame rya Inverter

 

Ihame ry'ingenzi ry'imikorere ya inverter ni uguhindura umuriro utaziguye ukajyamo umuriro usimburana binyuze mu bikorwa byo guhinduranya byihuse by'ibikoresho byo guhinduranya bya semiconductor (nka IGBT na MOSFET). Inzira y'ibanze y'imikorere ni iyi ikurikira:

 

2.2.1 Injira rya DC Urugendo

 

Ingufu za DC (nk'amapaneli ya photovoltaic, bateri) zitanga ingufu z'amashanyarazi za DC kuri inverter.

 

2.2.2 Kongera imbaraga Urugendo (Ntabwo ari ngombwa)

 

Voltage yinjiye yongerewe ku rwego rukwiriye gukoreshwa na inverter binyuze mu buryo bwa DC-DC boost circuit.

 

2.2.3 Guhindura Urugendo

 

Amashanyarazi yo kugenzura afunguka kandi akazimya mu buryo runaka, agahindura umuyoboro w’amashanyarazi uhinduka umuyoboro w’amashanyarazi uhuha. Hanyuma ibi biyungururwa n’urukiramende kugira ngo bikore ishusho y’umuraba usimburana.

 

2.2.4 Umusaruro Urugendo

 

Nyuma yo kunyura muri LC filtering, umusaruro uzaba ari umuyoboro wujuje ibisabwa (nk'220V/50Hz cyangwa 110V/60Hz).

 

Ku byuma bihindura amashanyarazi bihujwe na grid, binakubiyemo imikorere ihanitse nko kugenzura ikoranabuhanga rihuza amashanyarazi, gukurikirana ingufu nyinshi (MPPT), no kurinda ingaruka zo kwimuka. Ibikoresho bigezweho bikoresha ikoranabuhanga rya PWM (Pulse Width Modulation) kugira ngo binoze ubwiza n'imikorere y'amajwi.

 

2.3 Uburyo bwo hitamo inverter

 

Guhitamo inverter ikwiye bisaba gutekereza ku bintu byinshi:

 

2.3.1 Hitamo ubwoko gishingiye ku birebana n'uburyo bwo gusaba

 

- Ku bijyanye na sisitemu zihujwe n'urukuta, hitamo inverters zihujwe n'urukuta

- Ku bijyanye na sisitemu zidafite grid, hitamo inverters zidafite grid

- Ku bijyanye na sisitemu zivanze, hitamo inverters zivanze

 

2.3.2 Ingufu Guhuza

 

- Ingufu zigenwa zigomba kuba zirenze gato imbaraga zose z'umutwaro (urugero rwasabwe rw'inshuro 1.2 - 1.5)

- Tekereza ubushobozi bwo gusohora umutwaro ako kanya (nk'umuvuduko w'amashanyarazi wa moteri)

 

2.3.3 Injira ibiranga guhuza

 

- Ingano y'amashanyarazi yinjira igomba gupima intera y'amashanyarazi asohoka.

- Kuri sisitemu za photovoltaic, umubare w'inzira za MPPT n'umuyoboro w'amashanyarazi byinjira bigomba guhuza ibipimo by'ibice.

 

2.3.4 Umusaruro Ibiranga Ibisabwa

 

- Voltage n'umuvuduko w'amashanyarazi bikurikiza amabwiriza yo mu gace utuyemo (nk'urugero rwa 220V/50Hz)

- Ubwiza bwa Waveform (byaba byiza inverter y'umuraba wa sine)

- Ingufu (inverters nziza zifite ubushobozi bwo gukora neza ku kigero cya > 95%)

 

2.3.5 Uburinzi Imikorere

 

- Uburinzi bw'ibanze nko gushyuha cyane, gushyuha cyane, gushyuha cyane, gufunga umuyoboro mugufi, no gushyuha cyane

- Ku byuma bikoresha ikoranabuhanga bihuza amashanyarazi, hakenewe uburinzi ku ngaruka z'amazi mu mazi

- Uburinzi bwo kwirinda gutera inshinge inyuma (ku buryo bwo guhuza)

 

2.3.6 Ibidukikije Guhuza n'imimerere

 

- Ingano y'ubushyuhe mu mikorere

- Uburinzi (IP65 cyangwa irenga irakenewe mu gushyiramo ibintu hanze)

- Guhuza n'imiterere y'ubuso

 

2.3.7 Icyemezo Ibisabwa

 

- Inverters zikoresha grid zigomba kuba zifite ibyangombwa byo guhuza grid mu gace zikoreramo (nk'ibi bikurikira: CQC mu Bushinwa, VDE-AR-N 4105 mu Muryango w'Ubumwe bw'u Burayi, n'ibindi).

- Impamyabushobozi z'umutekano (nka UL, IEC, nibindi)

 

2.4 Uburyo bwo shyiramo inverter

 

Gushyiramo neza inverter ni ingenzi cyane ku mikorere yayo n'igihe imara:

 

2.4.1 Gushyiraho Aho biherereye Guhitamo

 

- Ifite umwuka mwiza, yirinda izuba ryinshi

- Ubushyuhe buri hagati ya -25℃ na +60℃ (reba ibisobanuro birambuye ku bicuruzwa)

- Kumisha no gusukura, wirinde ivumbi n'imyuka yangiza

- Ahantu horoshye gukoreshwa no kubungabunga

- Yegereye cyane ipaki ya bateri (kugira ngo ugabanye gutakaza umurongo)

 

2.4.2 Imiterere Gushyiramo

 

- Shyiramo ukoresheje imitako yo ku rukuta cyangwa udukingirizo kugira ngo ugire umutekano

- Bika ihagaze kugira ngo ubushyuhe bushobore gushonga neza

- Bika umwanya uhagije hirya no hino (ubusanzwe hejuru ya cm 50 hejuru no munsi, na cm zirenga 30 ibumoso n'iburyo)

 

2.4.3 Amashanyarazi Imibanire

 

- Ihuza rya DC ku ruhande:

- Genzura neza polarity (aho terminals nziza n'imbi ntizigomba gusubizwa inyuma)

- Koresha insinga zifite ibisobanuro bikwiye (ubusanzwe 4-35mm²)

- Ni byiza gushyiramo DC circuit breaker kuri terminal nziza

 

- Ihuza ry'uruhande rwa AC:

- Huza ukurikije L/N/PE

- Ibipimo bya cable bigomba kuba byujuje ibisabwa ubu

- Hagomba gushyirwaho icyuma gihagarika imiyoboro ya AC

 

- Guhuza ubutaka:

- Kugenzura neza ko ubutaka buhagaze neza (ubudahangarwa bwo kubuhagarika

- Umurambararo w'insinga yo hasi ugomba kuba munsi y'umurambararo w'insinga yo mu cyiciro

 

2.4.4 Sisitemu Imiterere

 

- Inverters zihujwe n'umuyoboro w'amashanyarazi zigomba kuba zifite ibikoresho byo kurinda umuyoboro w'amashanyarazi bihuye n'ibyo zikoresha.

- Inverters zidafite amashanyarazi zigomba gushyirwaho ikoranabuhanga rijyanye n'amashanyarazi (battery bankers) rikwiye.

- Shyiraho ibipimo bya sisitemu bikwiye (voltage, frequency, nibindi)

 

2.4.5 Gushyiraho Amabwiriza yo Kwirinda

 

- Menya neza ko amasoko yose y'amashanyarazi yakuweho mbere yo kuyashyiraho

- Irinde gukoresha imirongo ya DC na AC iruhande

- Gutandukanya imiyoboro y'itumanaho n'imiyoboro y'amashanyarazi

- Kora igenzura ryimbitse nyuma yo kuyishyiraho mbere yo kuyikoresha kugira ngo ikorerwe isuzuma

 

2.4.6 Gukosora amakosa no Isuzuma

 

- Pima ubushobozi bwo kwirinda gushyushya mbere yo kuyikoresha

- Kangura buhoro buhoro umuriro hanyuma urebe uko igikorwa cyo gutangira gitangira

- Gerageza niba imirimo itandukanye yo kurinda ikora neza

- Pima voltage y'ibisohoka, frequency, n'ibindi bipimo

 

Igice cya 3: Ubufatanye hagati ya SPD na Inverter

 

3.1 Kuki i Inverter ikeneye icyuma kiyirinda gushyuha?

 

Nk'igikoresho cy'amashanyarazi gikoresha ingufu, inverter irushaho kugira ingaruka ku ihindagurika ry'amashanyarazi kandi ikenera uburinzi bw'ubufatanye bw'icyuma kirinda umuvuduko. Impamvu nyamukuru zibitera zirimo:

 

3.1.1 Hejuru Ubuhanga bwo kwiyumvisha ibintu ya Inverter

 

Inverter irimo ibikoresho byinshi bya semiconductor byihariye hamwe n'imiyoboro igenzura. Ibi bice bifite ubushobozi buke bwo kwihanganira amashanyarazi menshi kandi bishobora kwangirika cyane bitewe n'izamuka ry'amazi.

 

3.1.2 Sisitemu Gufungura

Imirongo ya DC na AC muri sisitemu ya photovoltaic akenshi iba miremire cyane kandi igaragara ku gice cy'inyuma, bigatuma irushaho kwibasirwa n'imiraba iterwa n'inkuba.

 

3.1.3 Ibiri Ingaruka

Inverter ntabwo ihura n'ibibazo byo kwiyongera k'umuvuduko w'amashanyarazi gusa, ahubwo ishobora no guhura n'ingaruka zo kwiyongera k'umuvuduko w'amashanyarazi uturutse ku ruhande rwa photovoltaic array.

 

3.1.4 Ubukungu Igihombo

Inverters ubusanzwe ni kimwe mu bice bihenze cyane muri sisitemu ya photovoltaic. Kwangirika kwazo bishobora gutuma sisitemu idakora neza ndetse bigatwara amafaranga menshi yo gusana.

 

3.1.5 Umutekano Ingaruka

Kwangirika kwa inverter bishobora guteza impanuka z’inyongera nko gushoka kw'amashanyarazi n'inkongi y'umuriro.

 

Dukurikije imibare, muri sisitemu za photovoltaic, hafi 35% by'intege nke za inverter ziterwa n'amashanyarazi akabije, kandi inyinshi muri zo zishobora kwirindwa hakoreshejwe ingamba zo kurinda ingufu z'amashanyarazi.

 

3.2 Uburyo bwo guhuza sisitemu ya Surge Protector na Inverter

 

Gahunda yuzuye yo kurinda umuvuduko w'amazi kuri sisitemu ya photovoltaic igomba kuba ikubiyemo urwego rwinshi rw'uburinzi:

 

3.2.1 DC Uruhande Uburinzi

 

- Shyiramo DC SPD yihariye igenewe sisitemu za photovoltaic mu gasanduku ka DC ko guhuza kari mu cyiciro cya photovoltaic.

- Shyiramo DC SPD yo ku rwego rwa kabiri ku mpera ya DC yinjiye muri inverter.

- Kurinda module za photovoltaic hamwe n'igice cya DC/DC cya inverter.

 

3.2.2 Itumanaho-Uburinzi ku ruhande

 

- Shyira AC SPD yo ku rwego rwa mbere ku mpera y'umusaruro wa AC wa inverter

- Shyiramo AC SPD yo ku rwego rwa kabiri aho grid ihurira cyangwa aho ikwirakwizwa

- Rinda igice cya DC/AC cya inverter n'aho ihurira ukoresheje amashanyarazi

 

3.2.3 Ikimenyetso Umuzunguruko Uburinzi

 

- Shyiramo SPD z'ikimenyetso ku mirongo y'itumanaho nka RS485 na Ethernet

- Kurinda imiyoboro y'ubugenzuzi n'uburyo bwo kugenzura

 

3.2.4 Kungana Ibishoboka Guhuza

 

- Menya neza ko imiyoboro yose ya SPD grounding ihujwe neza na system grounding

- Kugabanya itandukaniro rishoboka hagati y'uburyo bwo gufunga ubutaka

 

3.3 Ihuriweho gutekereza byo guhitamo no gushyiraho

 

Mu ikoreshwa ry’ibikoresho birinda insinga n’ibinyabutabire bikoresha ingufu, guhitamo no gushyiraho bigomba kwitabwaho by’umwihariko ibintu bikurikira:

 

3.3.1 Guhuza Voltage

 

- Agaciro ka Uc ka DC-side SPD kagomba kuba karenze voltage ntarengwa ya open-circuit ya photovoltaic array (hakurikijwe coefficient y'ubushyuhe)

- Agaciro ka Uc ka SPD yo ku ruhande rwa AC gakwiye kuba hejuru y'umuvuduko ntarengwa w'amashanyarazi uhoraho w'urusobe rw'amashanyarazi

- Agaciro ka SPD ko hejuru kagomba kuba kari munsi y'agaciro ka voltage yo kwihanganira ya buri port ya inverter

 

3.3.2 Ubushobozi bw'ubu

 

- Hitamo In na Imax bya SPD ukurikije umuvuduko w’amashanyarazi witezwe aho uzashyirwa.

- Ku ruhande rwa DC rwa sisitemu ya photovoltaic, ni byiza gukoresha SPD ifite nibura 20kA (8/20μs).

- Ku ruhande rwa AC, hitamo SPD ifite 20-50kA bitewe n'aho iherereye.

 

3.3.3 Guhuza ibikorwa n'Ubufatanye

 

- Hakwiye kubaho guhuza ingufu bikwiye (intera cyangwa gutandukanya) hagati ya SPD nyinshi.

- Menya neza ko SPDs zegereye inverter zidatwara ingufu zose zo mu kirere gusa.

- Agaciro ka Hejuru ka buri rwego rwa SPD kagomba gukora gradient (ubusanzwe, urwego rwo hejuru ni 20% cyangwa hejuru y'urwego rwo hasi).

 

3.3.4 Idasanzwe Ibisabwa

 

- Imashini ya DC SPD ifite amashanyarazi ya photovoltaic igomba kugira uburinzi bwo guhuza inyuma.

- Tekereza ku kurinda umuvuduko w’amazi mu cyerekezo cy’ibiri (umuvuduko w’amazi ushobora gushyirwa ku ruhande rw’umuyoboro w’amashanyarazi ndetse no ku ruhande rw’umuvuduko w’amashanyarazi).

- Hitamo SPD zifite ubushobozi bwo gukoresha ubushyuhe bwinshi kugira ngo zikoreshwe mu bidukikije birimo ubushyuhe bwinshi.

 

3.3.5 Gushyiraho Inama

 

- SPD igomba gushyirwa hafi cyane y'icyambu kirinzwe (inverter DC/AC terminals)

- Insinga zo guhuza zigomba kuba ngufi kandi zigororotse uko bishoboka kose kugira ngo zigabanye uburyo bwo gukurura icyuma gifata amashanyarazi

- Menya neza ko sisitemu yo gufunga ubutaka ifite impedance nkeya

- Irinde gukora umurongo mugari hagati ya SPD na inverter

 

3.4 Gusana no gukemura ibibazo

 

Ahantu ho kubungabunga sisitemu ihuriweho y’ibikoresho birinda umuvuduko w’amashanyarazi n’ibihindura inverters:

 

3.4.1 Ibisanzwe igenzura

 

- Suzuma neza uko SPD ihagaze buri kwezi.

- Reba uburyo bwo gufatana neza buri gihembwe.

- Pima ubukana bw'ubutaka buri mwaka.

- Suzuma ako kanya nyuma y'inkuba ikubise.

 

3.4.2 Rusange gukosora ibibazo

 

- Gukoresha SPD kenshi: Reba niba voltage ya sisitemu ihamye kandi niba moderi ya SPD ikwiye.

- Kunanirwa kwa SPD: Reba niba igikoresho cyo kurinda imbere gihuye n'ubushobozi bwa SPD kandi niba umuvuduko urenze ubushobozi bwa SPD.

- Inverter iracyangiritse: Reba niba aho SPD ishyirwa ari heza kandi niba umurongo wayo ari wo.

- Itangazo ry'ibinyoma: Reba niba SPD na inverter bihuye neza kandi niba grounding ari nziza.

 

3.4.3 Gusimbuza Amahame

 

- Ikimenyetso cyerekana uko ibintu bimeze kigaragaza ko hari icyo byananiwe

- Isura igaragaza ibyangiritse bigaragara (nk'ubushyuhe, gucikagurika, n'ibindi)

- Guhura n'ibintu bikabije birengeje agaciro k'ibiciro

- Kugera ku gihe cy'ubuzima cyagenwe n'uwakoze (ubusanzwe ni imyaka 8-10)

 

3.4.4 Sisitemu Gutunganya neza

 

- Hindura imiterere ya SPD ukurikije uburambe mu mikorere

- Gukoresha ikoranabuhanga rishya (nk'uburyo bwo kugenzura SPD mu buryo bw'ubwenge)

- Ongera uburinzi bukwiye mu gihe cyo kwagura sisitemu

 

Igice 4: Ejo hazaza Inzira z'iterambere

 

Hamwe n'iterambere ry'ikoranabuhanga rya interineti y'ibintu, SPD z'ubwenge zizaba ikinamico:

 

4.1 Izamuka ry'ubwenge uburinzi ikoranabuhanga

Hamwe n'iterambere ry'ikoranabuhanga rya interineti y'ibintu, SPD z'ubwenge zizaba ikinamico:

- Gukurikirana mu buryo nyabwo uko SPD ihagaze n'igihe isigaye cyo kubaho

- Kwandika umubare n'ingufu by'ibikorwa by'ubwiyongere bw'ibintu

- Intabaza yo kure no gusuzuma indwara

- Guhuza na sisitemu zo kugenzura inverter

 

4.2 Hejuru imikorere ibikoresho byo kurinda

 

Ubwoko bushya bw'ibikoresho byo kurinda burimo gukorwa:

- Ibikoresho byo kurinda umutekano bifite igihe cyo kwihuta mu gusubiza

- Ibikoresho bifite ubushobozi bwo kwinjiza ingufu nyinshi

- Ibikoresho byo kwirinda byisana

- Moduli zihuza uburinzi bwinshi nko kurinda umuriro mwinshi, umuriro mwinshi, no kurinda gushyuha cyane

 

4.3 Sisitemu-urwego igisubizo cyo kurengera ubufatanye

 

Icyerekezo cy'iterambere ry'ejo hazaza ni uguhinduka kuva ku kurinda igikoresho kimwe kugera ku kurinda ubufatanye ku rwego rwa sisitemu:

- Ubufatanye buhuriweho hagati ya SPD n'uburinzi bwubatswe mu buryo bwa inverter

- Gahunda zo kurinda zishingiye ku miterere ya sisitemu

- Ingamba zo kurinda zishingiye ku ngaruka z'imikoranire y'urusobe rw'amashanyarazi

- Uburinzi bwo guhanura buhujwe na algorithme za AI

 

Umwanzuro

 

Imikorere ihuriweho y’ibikoresho birinda ingufu n’ibihindura ingufu ni ingenzi cyane mu mikorere myiza y’ibikoresho bigezweho by’amashanyarazi. Binyuze mu guhitamo mu buryo bwa siyansi, gushyiraho ibikoresho bisanzwe, no guhuza neza ibikoresho, ibyago byo kwiyongera kw’amashanyarazi bishobora kugabanuka cyane, igihe cyo kumara ibikoresho kigakomeza, kandi uburyo bwo kwizera bushobora kwiyongera. Hamwe n’iterambere ry’ikoranabuhanga, ubufatanye hagati y’ibyo byombi buzarushaho kuba ubw’ubwenge no gukora neza, butange inkunga ikomeye yo kurinda ingufu zisukuye no gukoresha ibikoresho by’amashanyarazi.

 

Ku bashushanya sisitemu n'abakozi bashinzwe kuyishyiramo/kuyisana, gusobanukirwa neza amahame ngiro y'ibikoresho birinda inverter n'ibikoresho biyirinda, ndetse n'ingingo z'ingenzi zo guhuza ibikoresho, bizafasha mu gushushanya ibisubizo binoze no guha abakoresha agaciro kanini. Muri iki gihe cy'impinduka mu ngufu no kwihutisha amashanyarazi, iyi gahunda yo gufatanya mu kurinda ibikoresho bitandukanye ni ingenzi cyane.