Mu bihe by'ingenzi nko mu bigo bitanga amakuru, inganda nini, ibitaro, n'ibigo by'amashanyarazi byihutirwa,seti za moteri zikoresha mazutu zifite ingufu nyinshiikora nk'isoko y'ingufu z'ibanze kugira ngo ikoreshwe mu gutanga amashanyarazi mu buryo burambye no gusohoza inshingano z'ingenzi zo gutanga amashanyarazi mu gihe cy'ibura ry'amashanyarazi. Imikorere ihamye kandi mu mutekano y'amaseti ya moteri afite ingufu nyinshi ifitanye isano itaziguye n'ubwizerwe bw'uburyo bwose bw'amashanyarazi ndetse n'umutekano w'abakozi n'ibikoresho. Abantu benshi bazi moteri, moteri, na sisitemu yo kugenzura amaseti ya moteri, ariko akenshi birengagiza igikoresho kitagaragara ariko cy'ingenzi gishyigikira -akabati gafite ubushobozi bwo kwirinda gusimbuka hasi gadafite aho kabogamiye(byitwa akabati gakingira ubutaka). Ikora nk'"agakingirizo k'umutekano" na "umuriro w'umuriro w'ikosa" kuri sisitemu y'amashanyarazi ya generator, ni igikoresho cy'ingenzi mu buryo bwo kurinda ubutaka bw'amaseti ya generator ya mazutu afite ingufu nyinshi, irinda umutekano w'imikorere y'amaseti ya generator n'uburyo bwose bw'amashanyarazi.
1. Akabati ko kurwanya ubutaka ni iki?
Akabati ko gukingira ubutaka ka seti ya moteri ya mazutu ifite ingufu nyinshi ni seti yuzuye y'ibikoresho byo kurinda ubutaka byagenewe by'umwihariko seti ya moteri ifite ingufu nyinshi ya 6kV ~ 20kV. Igizwe ahanini n'ibikoresho birwanya ubushyuhe bwinshi, imiterere y'ubushyuhe, ibice bigenzura amakosa, utubati dufunze n'ibindi bice. Uburyo bwo kuyishyiraho ni ingenzi cyane: impera imwe ihujwe n'ingingo idafite aho ibogamiye ya moteri, naho indi impera ihujwe n'umuyoboro wihariye wo gukingira ubutaka mu ruganda. Mu by'ukuri, yubaka inzira igenzurwa kandi yizewe yo gukingira ubutaka ku ngingo idafite aho ibogamiye yaseti za moteri zikoresha mazutu zifite ingufu nyinshi.
Bitandukanye n'uburyo bworoshye bwo gusimbuza ubutaka bw'amaseti ya generator afite voltage nkeya, amaseti ya generator ya mazutu afite voltage nyinshi arabujijwe cyane gusimbuza ubutaka cyangwa kudasimbuza ubutaka. Gusimbuza ubutaka by'ingenzi bizatera umuriro mwinshi kandi bigahita bitwika imiyoboro ya stator y'amaseti ya generator; gusimbuza burundu bizatuma habaho ibyago byihishe nko gusimbuza imbaraga nyinshi mu buryo bwa sisitemu no gusohora arc mu buryo buhoraho. Mu gukoresha resistor zihuye neza kugira ngo zisimbure ingingo zitagira aho zibogamiye, akabati karinda ubutaka gapima neza umutekano n'ubudahangarwa bw'amaseti ya generator afite voltage nyinshi, bigatuma iba igikoresho cyihariye cyo kurinda gihuye n'imiterere ya sisitemu y'amashanyarazi afite voltage nyinshi.
2. Ihame ry'ingenzi ry'imikorere y'akabati ko kurwanya ubutaka
Mu gihe cy’imikorere ihamye kandi isanzwe y’imashini ikora amashanyarazi afite ingufu nyinshi, ingufu z’amashanyarazi ziba ziringaniye nta kibazo cyo gusimbuza ubutaka, kandi ubushobozi bw’ingingo zitagira aho zibogamiye buba hafi ya zeru. Akabati ko gusimbuza ubutaka kaguma mu buryo buhagaze nta muyaga unyuramo, bigatuma nta kibazo cyangwa igihombo cy’amashanyarazi kigaragara ku ikoreshwa ry’amashanyarazi n’ihererekanya ry’amashanyarazi.
Iyoikibazo cyo gusimbuza ubutaka mu cyiciro kimwe(ikosa rikunze kugaragara cyane muri sisitemu zifite ingufu nyinshi, ahanini riterwa no gusaza kw'ibikoresho byo gukingira, kwangirika kw'imirongo, gukubita kw'inkuba, no gukorana n'ibintu byo hanze) bibaho mu gihe cy'imikorere y'icyuma, ingufu z'igice cy'ikosa ziragabanuka cyane, ubushobozi bw'ingingo zitagira aho zibogamiye buzamuka mu buryo budasanzwe, kandi umuriro w'ikosa uterwa n'amashanyarazi ukorwa muri sisitemu. Muri ako kanya, akabati k'ubudahangarwa bwo gusimbuza ubutaka gahita gakora. Ubudahangarwa bwo gusimbuza buhuzwa n'umurongo w'ikosa kugira ngo buhindure imiterere n'ubunini bw'umuriro w'ikosa, bugabanye umuriro kandi bukoreshe ingufu binyuze mu budahangarwa, bugabanye ingufu zidasanzwe zo gusimbuza, kandi butange ibimenyetso bihamye by'ikosa ku bikoresho birinda amashanyarazi kugira ngo bimenyeshe ko ikibazo gihari hakiri kare kandi bitangwe, mu buryo bw'ibanze bikarinda kwiyongera kw'ikosa.
3. Imirimo ine y'ingenzi y'akabati gashinzwe kurwanya ubutaka
3.1 Kugabanya neza ikibazo cy'umuriro w'amashanyarazi no kurinda ibikoresho by'ingenzi
Iyi ni yo nshingano y'ibanze kandi y'ingenzi y'akabati gakingira ubutaka. Urukuta rw'ubushyuhe bwa stator winding rwaamaseti ya moteri ifite ingufu nyinshini ingenzi kandi irashya. Mu gihe habayeho ikibazo cyo gusimbuka kw'ubutaka mu buryo bumwe, nta muvuduko w'amashanyarazi ugabanya imbaraga, umuvuduko w'amashanyarazi uhita uzamuka ukagera kuri amperes amagana cyangwa ibihumbi. Umuvuduko munini w'amashanyarazi uzatanga imiyoboro y'ubushyuhe bwinshi itwika kandi igasenya insinga y'icyuma ya stator n'insinga yo gusimbuza. Mu bihe byoroheje, bitera kwangirika kw'insinga no kwangirika k'imikorere y'icyuma; mu bihe bikomeye, bituma insinga y'icyuma ishonga kandi igatwika insinga, bigatuma ibikoresho bitakaza ibihumbi icumi cyangwa ibihumbi amagana bya yuan ndetse n'ibikorwa byo kuyisana birebire cyane.
Akabati gapima ubutaka gashobora guhuza neza agaciro k'ubudahangarwa hakurikijwe ubushobozi bw'icyuma, kagabanye cyane ubudahangarwa bw'ubutaka mu rugero rwo kwihanganira umutekano w'icyuma gitanga umuriro mwinshi (muri rusange kigenzurwa muri 50A ku bikoresho bisanzwe bifite umuriro mwinshi). Ntabwo bikumira gusa gutwika ibikoresho biterwa n'umuraba munini, ahubwo binagumana umuraba uhagije wo gutwika ibikoresho byo kurinda, bigatuma habaho ingaruka nziza zo "kugabanya umuraba udafunga inzogera" kandi bikongera cyane igihe cy'akazi k'icyuma gitanga umuriro.
3.2 Kuraho imiyoboro y'amashanyarazi n'amashanyarazi arenze urugero kugira ngo wirinde impanuka zishingiye ku buryo bw'umubiri
Mu buryo bw'ingufu zikoresha ingufu nyinshi, amakosa yo gusimbuza ubutaka mu buryo bumwe ashobora cyane kubyara arcs zihoraho. Kuzimira no kongera gushya kwa arcs bizatera overvoltage y'igihe gito (overvoltage ya arc) inshuro 3 kugeza kuri 5 z'amashanyarazi y'igihe. Iyo voltage ikomeye y'ako kanya izasenya imiterere y'ubushyuhe bw'ibikoresho biyishyigikira nk'imirongo, switchgears na transformers, bigatera amakosa yo gucika harimo multi-point short circuits no guturika kw'ibikoresho, ibi bikaba byashyira mu kaga gakomeye umutekano w'uburyo bwose bw'ingufu.
Umuriro urwanya umuyaga uterwa n'akabati gapima umuyaga utera umuyaga ushobora gukuraho itandukaniro ry'impinduka mu mikorere y'umuriro, ukagabanya cyane amahirwe yo kongera gushya kw'umuyaga, kandi ugahita uzimya imiyoboro y'umuriro utera umuyaga. Hagati aho, ushobora guhagarika neza amashanyarazi menshi no kugenzura ihindagurika ry'amashanyarazi mu buryo butekanye, ugakuraho burundu ibyago byo kwangirika kw'amashanyarazi no kubura ingufu nyinshi bitewe n'amashanyarazi menshi, kandi ugatuma sisitemu zifite amashanyarazi menshi zikomeza gukora neza.
3.3 Kunoza uburyo bwo kurinda relay no kumenya aho amakosa aherereye nyayo
Iyo aho icyuma gikoresha ingufu nyinshi giherereye hafunguwe, umuriro uturuka ku makosa yo gusimbuza umuriro uba muto cyane, bigatuma bigora ibikoresho birinda umuriro kumenya neza ibimenyetso by'amakosa. Ibi bituma ibikoresho birinda umuriro bitakirwa cyangwa bigakoreshwa nabi, bikananirwa kubona amakosa ku gihe, ndetse bigatera impanuka zikomeye kwiyongera.
Nyuma y’uko akabati k’ubudahangarwa bw’ubutaka gatangiye gukora, gatanga umuyoboro uhamye kandi ugenzurwa w’ubudahangarwa bw’ubudahangarwa kuri sisitemu, gatuma ibikoresho birinda indege bifata ibimenyetso by’ubudahangarwa vuba kandi neza, kandi bigasuzuma neza aho ibintu biherereye n’ubwoko bw’ubudahangarwa. Gashobora kubona neza aho ibintu bitanga amakuru n’aho umurongo uherereye ku makosa make yo hasi y’icyuma, kandi gatuma vuba uburinzi bugwa kugira ngo buce umurongo w’ubudahangarwa mu gihe habayeho amakosa akomeye kugira ngo hirindwe ko amakosa akwirakwira, bikongera cyane imikorere myiza yo gusohora amakosa no kurinda urwego rw’ubudahangarwa bw’amashanyarazi.
3.4 Kurinda umutekano w'umuntu no kubaka uruzitiro rukomeye rw'umutekano w'amashanyarazi
Mu gihe cy’ikosa ry’ibikoresho bitanga umuriro mwinshi, umuriro udasanzwe n’amazi asohoka bizoherezwa ku bikoresho n’imirongo yo hasi, bigatera abakozi ibyago byinshi byo guhungabana kw’amashanyarazi mu gihe cyo kugenzura no kubungabunga. Mu gushimangira ubushobozi bw’aho ibintu bihagarara no kugabanya guhungabana kw’amashanyarazi, akabati gakingira ubutaka gagabanya neza imbaraga z’amashanyarazi ku butaka bw’ibikoresho, kagenzura ingufu z’amashanyarazi n’amashanyarazi yo ku ntambwe mu rwego rw’umutekano w’abantu, kakuraho ibyago by’amashanyarazi ku giti cyabo mu gishushanyo mbonera cy’ibikoresho, kandi kakubaka uruzitiro rukomeye rwo kurinda umutekano ku bakozi bakora n’abashinzwe kubungabunga.
4. Impamvu z'ingenzi zo gushyiraho amabati arwanya gusimbuka ku byuma bifite ingufu nyinshi
Ibyuma byinshi bitanga amashanyarazi bifite voltage nkeya ntibikenera utubati two kurinda ubutaka, ibyo bikaba bisobanura ko abaturage batazi neza ibi bikoresho. Ariko,seti za moteri zikoresha mazutu zifite ingufu nyinshi za 6kV no hejuru yazo zigomba kuba zifite utubati duto two kwirinda gusimbukaSisitemu zifite amashanyarazi make zifite ingaruka nke ku muvuduko w’amashanyarazi n’amashanyarazi make, kandi gushyiraho ubutaka butaziguye bishobora kubahiriza ibisabwa mu mutekano. Mu buryo bunyuranye, sisitemu zifite amashanyarazi menshi zifite ingano nini y’amashanyarazi n’ubucucike bwinshi bw’ingufu, kandi kutagira uburinzi bwo kurinda ubutaka bizatera ibyago bihoraho byo gutwika ibikoresho, gusenyuka kwa sisitemu no guhungabana k’amashanyarazi ku giti cy’umuntu.
Mu bihe byo ku rwego rwa mbere nko mu bigo by’amakuru, mu byumba by’ubuvuzi, mu nganda n’ibigo by’amashanyarazi byihutirwa, amashanyarazi adahindagurika mu byuma bitanga ingufu nyinshi bifitanye isano itaziguye n’imikorere isanzwe y’umusaruro n’ubuzima bwa buri munsi. Nk’igikoresho cyo kurinda amashanyarazi adakoresha ingufu nyinshi, akabati gakingira amashanyarazi gasaba intoki cyangwa umuriro wo hanze, kandi gasubiza mu buryo bwikora mu gihe cy’ikosa kandi kidahinduka. Ni igikoresho cy’ingenzi kidasimburwa mu buryo bwo kurinda amashanyarazi adakoresha ingufu nyinshi kandi ni itegeko ku bijyanye n’umutekano w’amashanyarazi mu nganda.
5. Umwanzuro: Akabati gato gafite imirimo ikomeye
Nk'igikoresho cy'inyongera gisa n'aho cyoroshye gishyigikira, akabati k'icyuma gakingira ubutaka gakora nk'umurinzi utagaragara w'ibikoresho bya generator ya mazutu bifite ingufu nyinshi. Ntibigira uruhare mu gutanga amashanyarazi cyangwa ngo bigire ingaruka ku mikorere isanzwe y'amashanyarazi, ariko gashobora kwirinda impanuka zitandukanye z'umutekano w'amashanyarazi binyuze mu kugabanya ingufu, kuzimira kw'umurambararo w'amashanyarazi, gushimangira ingufu z'amashanyarazi, kurinda ibikoresho no kwirinda umuntu mu bihe bikomeye by'impanuka zitunguranye, bigatuma ibyuma bya generator bifite ingufu nyinshi bikora neza kandi mu mutekano igihe kirekire.
Ku bijyanye n'ingufu zikoreshwa na mazutu zifite ingufu nyinshi, akabati gakingira ubutaka si ikintu cy'ingenzi gishobora gukoreshwa, ahubwo ni igikoresho cy'ingenzi gitanga icyizere cy'uko ibikoresho bimara igihe kirekire, ko sisitemu ihamye kandi ikagira umutekano ku giti cy'umuntu, bikaba nk'inkingi y'ingenzi mu mikorere myiza y'ingufu zikoreshwa na mazutu.
Igihe cyo kohereza: Kamena-10-2026
