Isesengura ryibintu 9 byose byangiza ikirere bigenda mumashanyarazi
Ntibisanzwe ko compressor yo mu kirere MCC idakora neza hamwe na sitasiyo zose zo guhumeka ikirere guhagarara.
Incamake y'ibikoresho:
Moteri nyamukuru yikigo cya 2 × 660MW cyikirenga cya XX Power Plant cyatoranijwe mubikoresho byamashanyarazi bya Shanghai.Turbine ya parike ni Siemens N660-24.2 / 566/566, icyuka ni SG-2250 / 25.4-M981, naho generator ni QFSN-660-2.Igice gifite ibikoresho byifashishwa na moteri ikurura ibyuma, pompe zitanga amazi, hamwe na compressor 9 zo mu kirere byose bikozwe na XX Co., Ltd. .
Ibikorwa byambere byakazi:
Ku isaha ya 21:20 ku ya 22 Kanama 2019, igice # 1 cy’uruganda rwa XX rwakoraga bisanzwe gifite umutwaro wa 646MW, urusyo rw’amakara A, B, C, D, na F rwakoraga, kandi sisitemu y’ikirere n’umwotsi yakoraga mpande zombi, ukoresheje uburyo busanzwe bwo gukoresha amashanyarazi muruganda.Umutwaro wigice # 2 urimo gukora mubisanzwe, gusya amakara A, B, C, D, na E birakora, sisitemu yumwotsi numwotsi ikora kumpande zombi, kandi uruganda rukoresha amashanyarazi asanzwe.# 1 # Iyo ukoresheje sisitemu, igikoresho ninzugi zinyuranye zoguhuza ikirere zifungura 10%, naho umuvuduko ukabije wumuyaga mwinshi ni 0.7MPa.
# 1 igice cya 6kV cyakoreshejwe uruganda igice 1A gihujwe no gutanga amashanyarazi ya # 8 na # 9 compressor de air;Igice 1B gihujwe no gutanga amashanyarazi ya # 3 na # 4 compressor de air.
# 2 igice cya 6kV cyakoreshejwe uruganda igice 2A gihujwe no gutanga amashanyarazi ya # 1 na # 2 compressor de air;igice 2B gihujwe no gutanga amashanyarazi ya # 5, # 6 na # 7 compressor de air.
inzira:
Ku isaha ya saa 21:21 ku ya 22 Kanama, uwayikoresheje yasanze compressor zo mu kirere # 1 ~ # 9 zikandagira icyarimwe, zihita zifunga igikoresho n’inzugi zinyuranye zahujwe n’ikirere, zihagarika ubwikorezi bw’ivu na sisitemu yo gukuraho ivumbi umwuka wifunze, no ku -igenzura ryakozwe ryerekanye ko 380V Igice cya MCC cya compressor de air cyatakaje ingufu.
21:35 Imbaraga zitangwa mugice cya MCC cya compressor de air, kandi # 1 ~ # 6 compressor zo mu kirere zitangira zikurikiranye.Nyuma yiminota 3, compressor yikirere MCC yongeye gutakaza ingufu, nurugendo # 1 ~ # 6 rugendo rwo guhumeka ikirere.Igikoresho gikoresha umuvuduko ukabije wumwuka wagabanutse, uyikoresha yohereje ingufu mugice cya MCC cya compressor de air inshuro enye, ariko ingufu zongeye kubura nyuma yiminota mike.Icyuma gitangiza ikirere cyatangiye guhita gikandagira, kandi umuvuduko wa sisitemu yo mu kirere yagabanijwe ntishobora gukomeza.Twasabye kohereza ibyemezo byo kohereza ibice # 1 na # 2 Umutwaro wagabanutse kuri 450MW.
Saa kumi n'ebyiri n'iminota 21, igikoresho cyagabanije umuyaga wakomeje kugabanuka, kandi inzugi zimwe na zimwe zo guhindura pneumatike zarananiranye.Inzugi nyamukuru kandi zishyushya amashyanyarazi inzugi zo guhindura amazi ya unit # 1 zahise zifungwa.Ubushuhe nyamukuru bwamazi bwiyongereye bugera kuri 585 ° C, nubushyuhe bwo kongera ubushyuhe bwiyongereye kugera kuri 571 ° C.℃, ubushyuhe bwanyuma bwurukuta burenze imbibi ntarengwa, nigitabo cya MFT nigitabo gihita gihagarikwa.
Saa kumi n'ebyiri n'iminota 34, igikoresho cyagabanije umuvuduko wumwuka cyamanutse kuri 0.09MPa, icyuma gifata kashe ya shaft igenga urugi rwigice cya # 2 cyahise gifunga, itangwa rya kashe ya kashe yahagaritswe, umuvuduko wumugongo wiyongera, n "" umuvuduko ukabije wumuyaga ubushyuhe ni bwinshi "ibikorwa byo kurinda (reba ku mugereka wa 3), igice kiratandukanye.
22:40, fungura gato bypass yo hejuru ya unit # 1 hamwe na parike ifasha.
Saa 23:14, inkono # 2 irashya kandi ifunguye kuri 20%.Saa kumi nimwe nigice, nakomeje gukingura valve ndende, nsanga amabwiriza yiyongereye, ibitekerezo ntibyigeze bihinduka, kandi ibikorwa byintoki byaho bitemewe.Hemejwe ko uruhande rwo hejuru rwa valve rwometseho kandi rukeneye gusenywa no kugenzurwa.Igitabo MFT ya # 2.
Saa 8h30, # 1 icyotsa kirashya, saa 11:10 turbine yihuta, naho 12:12 igice cya # 1 gihujwe na gride.
Gutunganya
Ku isaha ya 21:21 ku ya 22 Kanama, compressor zo mu kirere # 1 kugeza # 9 zikubye icyarimwe.Ku isaha ya saa 21h30, abashinzwe gufata neza amashanyarazi n’abakozi bashinzwe gufata neza ubushyuhe bagiye aho hantu kugira ngo basuzume basanga amashanyarazi akoreshwa mu gice cya MCC cya compressor y’ikirere yikubise hasi maze bisi itakaza ingufu, bituma compressor 9 zose zitakaza ingufu za PLC kandi zose compressor zo mu kirere zikandagira.
21:35 Imbaraga zitangwa mugice cya MCC cya compressor de air, na compressor de air # 1 kugeza # 6 bitangira bikurikiranye.Nyuma yiminota 3, MCC ya compressor de air yongeye gutakaza ingufu, hamwe na compressor de air # 1 kugeza # 6 urugendo.Nyuma yaho, compressor yo mu kirere MCC ikora amashanyarazi hamwe na backup power power yageragejwe inshuro nyinshi, hanyuma busbar yo mu kirere MCC igice cya busbar yikandagira nyuma yiminota mike nyuma yo kwishyuza.
Kugenzura ivu ryakuweho kure ya DCS igenzura, byagaragaye ko moderi ya A6 module yaka.Umubare winjiza (24V) wumuyoboro wa 11 wa module ya A6 warapimwe hanyuma 220V isimburana yinjira.Ongera urebe ko insinga yo kugera kumuyoboro wa 11 wa module ya A6 yari umufuka wigitambara hejuru yububiko bwa # 3 bwiza.Umukungugu wumukungugu usohora ibimenyetso byibitekerezo byabafana.Kugenzura ahakorerwa # 3 Ikimenyetso cyibikorwa byo gusubiza mu isanduku yumukungugu wumukungugu wumukungugu wumukungugu mwiza wivu wumukungugu uhuza nabi na 220V AC igenzura amashanyarazi mumasanduku, bigatuma ingufu za 220V AC zitemba muri module ya A6 unyuze kubikorwa byabafana ibitekerezo byerekana umurongo.Ingaruka ndende ya AC voltage, Nkigisubizo, ikarita yananiwe irashya.Abakozi bashinzwe kubungabunga ibidukikije basanze ko amashanyarazi no guhinduranya module y’ikarita y’inama y’inama y’abaminisitiri bishobora gukora nabi kandi ntibishobora gukora mu buryo busanzwe, bigatuma akenshi bigenda bidasanzwe ku buryo budasanzwe bwo gutanga amashanyarazi I hamwe n’amashanyarazi II yahinduwe na MCC igice cya compressor de air.
Abakozi bashinzwe kubungabunga bakuyeho umurongo wa kabiri watumaga AC yinjira. Nyuma yo gusimbuza module ya A6 yatwitse, gukandagira kenshi amashanyarazi I na power II byahinduwe na MCC igice cya MCC ya compressor de air yabuze.Nyuma yo kugisha inama abakozi ba tekiniki yumushinga wa DCS, hemejwe ko iki kintu kibaho.
22:13 Imbaraga zitangwa mugice cya MCC cya compressor de air kandi compressor zo mu kirere zitangira zikurikiranye.Gutangira ibikorwa byo gutangiza ibikorwa
Ibibazo byagaragaye:
1. Tekinoroji yo kubaka ibikorwa remezo ntabwo isanzwe.Isosiyete ikora amashanyarazi ya XX ntabwo yubatse insinga hakurikijwe ibishushanyo, imirimo yo gukemura ibibazo ntiyakozwe mu buryo bukomeye kandi burambuye, kandi umuryango w’ubugenzuzi wananiwe kurangiza ubugenzuzi no kubyemera, byashyizeho akaga kihishe kugira ngo umutekano ukorwe neza igice.
2. Igishushanyo mbonera cyo gutanga amashanyarazi nticyumvikana.Igishushanyo cya compressor yo mu kirere PLC igenzura amashanyarazi nta shingiro bifite.Byose byo guhumeka ikirere PLC igenzura amashanyarazi yakuwe mubice bimwe bya busbar, bikavamo amashanyarazi amwe kandi yizewe nabi.
3. Igishushanyo mbonera cya sisitemu yoguhunika ntigisanzwe.Mugihe gikora gisanzwe, compressor 9 zose zigomba kuba zikora.Nta gusubira inyuma kwimyuka ihumeka kandi igipimo cyo kunanirwa nikirere kiri hejuru, ibyo bikaba byangiza umutekano muke.
4. Uburyo bwo gutanga amashanyarazi ya MCC ya compressor de air ntabwo idatunganye.Amashanyarazi akora no kugarura amashanyarazi kuva mu gice A na B cya PC yo gukuraho ivu 380V kugeza kuri MCC ya compressor de air ntishobora gufatanwa kandi ntishobora kugarurwa vuba.
5. DCS ntabwo ifite logique na ecran ya ecran ya compressor yo mu kirere PLC igenzura amashanyarazi, kandi amabwiriza asohoka DCS nta nyandiko afite, bigatuma gusesengura amakosa bigorana.
6. Iperereza ridahagije no gucunga ibyago byihishe.Igihe igice cyinjiye mu musaruro, abakozi bashinzwe kubungabunga ibidukikije bananiwe kugenzura aho bagenzuye mu gihe gikwiye, kandi insinga zitari zo mu ikusanyirizo ry’umukungugu w’imyanda ntizaboneka.
7. Kutagira ubushobozi bwo gutabara byihutirwa.Abakozi bakoraga ntibari bafite uburambe mu guhangana n’imihindagurikire y’ikirere, bafite ibyahanuwe bituzuye, kandi nta bushobozi bafite bwo gutabara byihutirwa.Baracyahinduye kuburyo bugaragara imikorere yikigo nyuma yuko compressor zose zo mu kirere zikandagiye, bigatuma igabanuka ryihuse ryumuvuduko wumwuka;Iyo compressor zose zikandagiye nyuma yo kwiruka, abakozi bashinzwe kubungabunga bananiwe kumenya icyateye n’aho ikosa ryihuse, kandi bananiwe gufata ingamba zifatika zo kugarura imikorere ya compressor zimwe na zimwe mu gihe gikwiye.
Icyitonderwa:
1. Kuraho insinga zitari zo hanyuma usimbuze ikarita ya DI yatwitse yo gukuraho ivu DCS igenzura.
2. Kugenzura udusanduku two gukwirakwiza no kugenzura akabati ahantu hafite ibidukikije bikaze kandi bitose bikorerwa mu gihingwa kugirango ukureho akaga kihishe k'amashanyarazi ya AC yinjira muri DC;gukora iperereza ryokwizerwa muburyo bwo gutanga amashanyarazi yingirakamaro yimashini ifasha kugenzura ibikoresho.
3. Fata compressor yo mu kirere PLC igenzura amashanyarazi kuva mubice bitandukanye bya PC kugirango utezimbere amashanyarazi.
4. Kunoza uburyo bwo gutanga amashanyarazi ya compressor yo mu kirere MCC hanyuma umenye guhuza byikora byoguhumeka ikirere MCC itanga amashanyarazi imwe na ebyiri.
5. Kunoza imiterere ya ecran na ecran ya DCS compressor yindege ya PLC igenzura amashanyarazi.
6. Tegura gahunda yo guhindura tekiniki yo kongeramo ibyuma bibiri byo guhumeka ikirere kugirango urusheho kwizerwa ryimikorere ya sisitemu yo mu kirere.
7. Shimangira imicungire ya tekiniki, kunoza ubushobozi bwo gukemura ibibazo byihishe, gushushanya imyanzuro kurugero rumwe no gukora ubugenzuzi bwinsinga buri gihe kumabati yose agenzura nagasanduku.
8. Gutondekanya imikorere yinzugi zumwanya wa pneumatike nyuma yo gutakaza umwuka wafunzwe, no kunoza gahunda yihutirwa yo guhagarika ikirere cyahagaritswe muruganda rwose.
9. Komeza amahugurwa yubumenyi bwabakozi, gutegura imyitozo isanzwe yimpanuka, no kunoza ubushobozi bwo gutabara byihutirwa.
Itangazo: Iyi ngingo yakuwe kuri interineti.Ibiri mu ngingo ni ibyo kwiga no gutumanaho gusa.Umuyoboro wo guhumeka ikirere ukomeza kutagira aho ubogamiye kubijyanye n'ibitekerezo.Uburenganzira bwingingo ni ubwumwanditsi wambere hamwe nurubuga.Niba hari ihohoterwa, nyamuneka twandikire kugirango dusibe.