Muri sisitemu yo gutanga amashanyarazi no gukwirakwiza Ubushinwa 3-35kV, igice kinini kidafite aho kibogamiye nta shingiro gifite.Ukurikije amahame y’inganda z’igihugu, iyo habaye icyiciro kimwe gusa, sisitemu irashobora gukora bidasanzwe mumasaha 2, ibyo bikagabanya cyane ibiciro byakazi kandi bikazamura ubwizerwe bwa sisitemu yo gutanga no gukwirakwiza amashanyarazi.Nyamara, kubera gukomeza kunoza ubushobozi bwo gutanga amashanyarazi ya sisitemu, uburyo bwo gutanga amashanyarazi buragenda buhinduka buhoro buhoro kuva kumurongo wohereza kugeza kumurongo wa kabili, kandi umuvuduko uva muri sisitemu ujya mumashanyarazi uzaba munini cyane.Iyo sisitemu igizwe nicyiciro kimwe, kurinda capacitor kurinda ntabwo byoroshye kuyisiba, kandi ihindurwamo sisitemu yo guhagarara rimwe na rimwe.Umuvuduko ukabije wa sisitemu yo gukingira ikingira hamwe na ferromagnetic parallel resonance overvoltage iterwa na overvoltage bizabangamira cyane imikorere yumuriro wamashanyarazi.Umuvuduko ukabije wa sisitemu yo gukingira ibyiciro bibiri birakomeye cyane, kandi urwego rwikirenga rwicyiciro cyo gutsindwa nikubye inshuro 3 kugeza kuri 3,5 kurwego rwibikorwa bisanzwe bisanzwe.Niba umuyagankuba mwinshi ubaye kuri gride yamashanyarazi amasaha menshi, byanze bikunze byangiza insulation yibikoresho byamashanyarazi.Nyuma yo kwegeranya inshuro nyinshi no kwangirika kwicyuma cyibikoresho byamashanyarazi, bizatera intege nke zurwego rwimikorere, bitera sisitemu yo hasi yubutaka bwurwego, kandi bitera impanuka zibara zibiri zamabara magufi.Byongeye kandi, bizatera kandi impanuka z'umutekano nko kunanirwa kurwego rwo kubika ibikoresho byamashanyarazi (urufunguzo ni kunanirwa kurwego rwa moteri ya moteri), guturika kwinsinga, ahohereza imyuka ya PT ya voltage transformateur yuzuye ibyuka, guturika kwa gufata amashanyarazi menshi, nibindi. Kugirango dukemure ikibazo cyumuvuduko ukabije uterwa na sisitemu yo gukingira amashanyarazi maremare maremare, co co guhagarika arc ikoreshwa mugusubiza ibyangiritse kuri capacitori yo kutabogama, kandi birashoboka ko ikosa rusange rirengera amashanyarazi ari guhagarikwa.Intego yubu buryo ni ugukuraho amashanyarazi.Kugeza ubu, ntibisobanutse neza ko igiceri cyo guhagarika arc ubwacyo gifite ibintu byinshi biranga, kandi ntigishobora kwishyura neza imiyoboro ya capacitif, cyane cyane ibyangijwe n’ibikoresho by’amashanyarazi menshi ntibishobora kwishyurwa uko bishakiye.Hashingiwe ku bushakashatsi bwa siyanse ku mpeta zitandukanye zo guhagarika arc, isosiyete yacu yakoze ibikoresho bya HYXHX byubwenge ibikoresho byo guhagarika arc.
Ingano yo gukoresha ibikoresho byubwenge arc guhagarika ibikoresho:
1. Ibi bikoresho birakwiriye kuri sisitemu y'amashanyarazi ya 3 ~ 35KV;
2.Ibikoresho bikwiranye na sisitemu yo gutanga amashanyarazi aho ingingo idafite aho ibogamiye idahagaze, aho itabogamye iba ishingiye kuri coing yo guhagarika arc, cyangwa aho itabogamye iba ishingiye kuburwanya bukabije.
3. Ibi bikoresho bikwiranye na gride yamashanyarazi hamwe ninsinga nkumubiri wingenzi, amashanyarazi ya Hybrid hamwe ninsinga hamwe ninsinga zo hejuru nkumubiri nyamukuru, hamwe numuyoboro wamashanyarazi hamwe ninsinga zo hejuru nkumubiri nyamukuru.
Ibiranga tekinike yibikoresho byo guhagarika arc ubwenge:
Umugenzuzi afata imiterere ine ya CPU, imwe yo gukorana kwabantu no gutumanaho mugihe nyacyo, imwe yo gutoranya no kubara, imwe yo gucunga ibimenyetso bisohoka kugirango hamenyekane neza ibimenyetso bisohoka, nibindi byo gufata amakosa.
Ibiranga software:
1. Sisitemu yo gukora-igihe nyacyo (RTOS):
Iterambere rya software ryakira sisitemu yo gukora-nyayo nigihe kinini cyibikorwa byububiko bwibitabo, kandi iganisha ku buryo bwo gutangiza gahunda yimirimo ya buri munsi, kandi ikora igabanywa ryumutungo, gahunda yo gukora, gukora ibintu bidasanzwe hamwe nindi mirimo ikurikije uburyo bwa serivisi bwihutirwa.Ikora neza cyane kandi irashobora gukoresha neza imikorere yimikorere ya signal ya digitale na microprocessor.Imvugo isobanura mudasobwa yihuta kuyishyira mubikorwa, ifite gusoma neza, kandi byoroshye kwaguka no guhindurwa.
2. Porotokole y'itumanaho isanzwe ya MODBUS:
Itumanaho rya MODBUS risanzwe ryemewe kugirango ryoroherezwe kugera kuri sisitemu zitandukanye zisanzwe zikoreshwa.Microprocessor itunganya itumanaho itandukanye yatoranijwe kugirango irusheho kunoza ubushobozi bwo gutunganya itumanaho n'umuvuduko w'itumanaho.
Igikoresho kimaze gukora, kirashobora gusubizwa ahantu kure.
3. Gukoresha DSP ikora cyane:
Igice cyo gutoranya no kubara gihitamo TMS320F2812DSP chip ya TI Company.Umuvuduko mwinshi kugeza kuri 150MHz.
Ukurikije porogaramu ya mudasobwa, ibimenyetso bisa byakusanyirijwe mugihe nyacyo birashobora kwihuta Fourier ihinduka mugihe gito, kandi impanuka ya pulse irashobora kuboneka no gupimwa mugihe nyacyo.
4.14-bit-imiyoboro myinshi icyarimwe icyitegererezo cya digitale-igereranya:
Kuberako sisitemu isabwa kugira icyitegererezo cyukuri, AD ihitamo 14 bits.Hano hari imiyoboro 8 yose.Buri nkingi 4 yimiyoboro ikoresha amatangazo icyarimwe kugirango tunonosore imikoreshereze.CLK yo hanze ya AD ni 16M, bityo ikemeza amanota 64 yo gutoranya no kubara ibisabwa bya buri cyiciro cyicyitegererezo cyacu.
5. Gukoresha ibikoresho bya logique bishobora gukoreshwa:
Imikorere yibikoresho gakondo byibanze kuri chip imwe, igabanya agace ka substrate n'umubare wa padi, igabanya uburebure bwa bisi, itezimbere imikorere yo kurwanya interineti no kwizerwa kwizunguruka, kandi igahindura icyarimwe icyarimwe.
Porogaramu ya sisitemu yose ikoresha ALTERA EPM7128 ebyiri murwego rwa logique.Iyi chip irashobora kongera gusubirwamo, ifite amarembo 2500 na selile macro 128, zishobora kuzuza ibisabwa na logique igoye.Porogaramu ic ihuriweho igabanya cyane umubare wibikoresho byigenga byigenga bisabwa na sisitemu ya sisitemu, kandi bitezimbere ubwizerwe n'umutekano bya sisitemu.
6. Igikorwa cyo gufata nabi amakosa:
Icyuma gifata amajwi kirashobora kwandikisha 8 yibyuma muri sisitemu yikurikiranya, harimo ibumoso n iburyo ibice bitatu byumuvuduko wa voltage, zeru zikurikirana zeru, zeru zikurikirana, ibyiciro bitatu bya AC bihuza hamwe na break break mbere na nyuma yikosa ribaye.
7.Imashini yumuntu-imashini ifata ibintu binini byamazi ya kirisiti hamwe na menu yuzuye yubushinwa kugirango yerekane ingano ya leta muburyo bwashushanyije, igihe-nyacyo na intuitive ibyiciro bitatu bya voltage agaciro, agaciro ka zeru-feri, na zero-feri agaciro.
Ibintu nyamukuru biranga igikoresho
1. Umuvuduko wibikorwa byigikoresho urihuta, kandi urashobora gukora byihuse muri 30 ~ 40ms, bigabanya cyane igihe cyigihe kimwe cyo guhagarara arc;
2. Arc irashobora kuzimya ako kanya igikoresho kimaze gukora, kandi arc irenze hejuru ya arc irashobora kugarukira neza mumurongo wumurongo wa voltage;
3. Igikoresho kimaze gukora, emera ubushobozi bwa capacitif ya sisitemu kunyura byibuze amasaha 2, kandi uyikoresha arashobora guhangana numurongo utari wo nyuma yo kurangiza ibikorwa byo guhinduranya imitwaro;
4. Imikorere yo kurinda igikoresho ntabwo ihindurwa nubunini nuburyo bwo gukora amashanyarazi;
5. Igikoresho gifite imikorere yimikorere ihanitse, kandi transformateur ya voltage muri yo irashobora gutanga ibimenyetso bya voltage yo gupima no kurinda, gusimbuza ibihangange bisanzwe bya PTA;
6. Igikoresho gifite ibikoresho bito bito byerekana umurongo wo gutoranya umurongo, bishobora kunonosora cyane ukuri guhitamo umurongo ukoresheje ibiranga imiterere nini ya zeru ikurikiranye ihindagurika ryumurongo wamakosa mbere na nyuma ya arc yazimye.
7. Igikoresho gikoresha guhuza anti-saturation voltage transformateur hamwe na primaire yihariye igabanya-resonance ikuraho, ishobora guhagarika byimazeyo ferromagnetic resonance kandi ikarinda neza kureba;
8. Igikoresho gifite imikorere ya arc yumucyo wibanze wanditseho amajwi, itanga amakuru kubakoresha gusesengura impanuka.
Ibice byingenzi bigize igikoresho nibiranga:
1. Umuvuduko mwinshi wa vacuum wihuta uhuza JZ hamwe no kugenzura ibyiciro;
Uyu ni umuhuza wa AC yihuta ya vacuum yatunganijwe byumwihariko nisosiyete yacu ishobora kugenzurwa no gutandukana kwicyiciro, kandi irashobora gushyirwa mubikorwa ukwayo muri 8 ~ 12ms.Impera imwe yumuhuza wa vacuum ihujwe na bisi, naho indi mpera irahagaze neza.Mugihe gikora gisanzwe, JZ irakinguye kandi ifunze iyobowe na microcomputer.Imiyoboro y'amashanyarazi ikora ya vacuum ihuza buri cyiciro irafunze.Iyo icyiciro icyo aricyo cyose gifunze sisitemu ya bisi yo guhagarara, ibindi byiciro bibiri ntibizongera gukora.
Imikorere ya JZ ni ukurinda ibikoresho bya sisitemu ingaruka ziterwa na volvoltage byihuse kwimura byihuse kuva arc idahagaze neza kugeza kubutaka butajegajega butajegajega iyo arcing ground ibaye muri sisitemu.
2. HYT umwanya munini uturika-utabungabunzwe-udafite amashanyarazi arenze urugero;
HYT ifite ubushobozi bunini bwo guturika-kubungabunga kubungabunga-hejuru ya volvoltage ikingira ikora kugirango igabanye ingufu za sisitemu.Iratandukanye nuburyo rusange bwa zinc oxyde ifata (MOA) kandi ifite ibyiza bikurikira:
(1) Igipimo kinini gitemba kandi kigari cyo gusaba;
.
.Icyuho cyo gusohora gituma igipimo cyo kwishyuza cya ZnO kitagira umurongo zeru zeru, kurwanya ZnO kutagira umurongo ntigabanuka, ibiranga umurongo utari umurongo wa ZnO utari umurongo ntibisubira inyuma nyuma yuko icyuho cyo gusohora kimaze gukora, icyuho cyo gusohora ntabwo gikora umurimo wo guhagarika arc, kandi ubuzima bwibicuruzwa buratera imbere
.Indangagaciro zokwirinda birenze urugero nibikorwa byiza byo kurinda
.
(6) Imiterere iroroshye kandi irasobanutse, ingano ni nto, kandi kuyishyiraho biroroshye;
Umwanya munini uturika-utabungabunzwe-utarinze kurenga hejuru ya volvoltage urinda nubwa mbere muburyo bwo kugabanya umuvuduko ukabije wubwoko bwose.Mbere yuko umuhuza wa AC JZ adakora, ingufu zirenze urugero murwego rwumutekano.
3. HYXQ yibanze igabanya gukuraho guhuza:
HYXQ nibicuruzwa byavumbuwe na sosiyete yacu.Yashizwe mumurongo hagati yibintu byambere bidafite aho bibogamiye bya voltage transformateur nubutaka kugirango uhagarike ferromagnetic series resonance ya voltage transformateur no kunoza ibintu byumutekano wibikorwa bya gride.
Mubikorwa bisanzwe, kurwanya ni nka 40kΩ, kandi kurwanya kwambere kwambere kwa PT ni urwego rwa megohm, ntabwo rero bizagira ingaruka kumikorere itandukanye ya PT, kandi ntabwo bizahindura cyane ibipimo bitandukanye bya sisitemu.Iyo PT yumvikanye, intoki zicyuma ziruzura, umuyoboro wibyishimo wibanze wumuyaga wiyongera, kandi MQYXQ irwanya byihuse, ishobora kugira ingaruka nziza.
HYXQ ifite imiterere yoroshye kandi isobanutse, uburemere bworoshye, kwishyiriraho byoroshye nibikorwa byizewe.Irashobora gukomeza guhora kandi byihuse pulse igezweho;nini cyane ubukana bwuruhererekane resonance overvoltage, bigufi impiswi yigihe cyo gukuraho;iki gicuruzwa kirashobora kugabanya ubwiyongere butunguranye bwimyuka yimyidagaduro yibanze ya voltage ihinduranya, kandi ikirinda umuyaga uterwa no guhinduranya kwambere kwa transformateur ya voltage.Nkigisubizo, ingufu za kinetic zumuzunguruko ntizihagije kugirango uzimye arc nyuma yo kumena amashanyarazi yahujwe, bikaviramo impanuka yumutekano muke wigihe gito cyumuhanda wa bisi.
4. Umugenzuzi wa Microcomputer ZK:
ZK nigice cyingenzi cyo kugenzura ibi bikoresho.Igena aho ikosa nubwoko bwikosa (rishobora guhinduka, guhinduranya ibyuma, hamwe nubutaka bwa arc) bishingiye kubimenyetso bya Ua, Ub, Uc, na U bitangwa na transformateur ya voltage, kandi bikagenzura imikoreshereze yumubyigano mwinshi cyane muburyo bwateganijwe. Igikoresho JZ.
Guhagarika imfubyi no guhitamo umurongo birashobora guhuzwa kugirango ugere ku ntego yo guhuza ibikorwa hagati yo guhitamo umurongo no guhitamo umurongo.
5. Umuvuduko mwinshi wa voltage ugabanya fuse FU:
FU nuburinzi bwibikoresho byose, birashobora kwirinda ikibazo cyamabara abiri-magufi-yananiranye yatewe no gukoresha insinga zitari zo cyangwa amakosa yo gukora.Ifite ibintu bikurikira:
(1) Ubushobozi bunini bwo kumena, kugeza 63KA;
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6. Impinduka zidasanzwe za voltage PT hamwe nubufasha bwa kabiri bwo guhinduranya:
Igikoresho gikoresha anti-saturation idasanzwe ya transformateur.Ugereranije na transformateur isanzwe ya voltage, ntishobora gutanga gusa ibimenyetso byerekana imbaraga za voltage zihamye zo gupima no kugenzura sisitemu, ariko kandi birinda rwose kwirinda impanuka nko kwangirika kwa voltage no gutwikwa biterwa na sisitemu idafite umurongo wa resonance.
Igihe cyo kohereza: Apr-12-2023