Isu tinobatsira nyika ichikura kubvira 2004

Zivo yeakakwira-magetsi switchgear, magetsi kudzima mashandiro uye kukanganisa kuongororwa nzira dzekurapa

Yakakwira-voltage switchgear inoreva zvigadzirwa zvemagetsi zvinoshandiswa pa-off-off, kutonga kana kudzivirirwa mukugadzira magetsi, kufambisa, kugovera, kushandura kwesimba uye kudyiwa kwesimba remagetsi. Iyo voltage mwero iri pakati pe3.6kV ne550kV. Inonyanya kusanganisira yakakura-magetsi wedunhu mabhureki uye yakakwira-voltage kusarudzika. Swichi uye pasi switch, akakwira-magetsi mutoro ma switch, akakwira-magetsi otomatiki kusangana uye zvikamu zvekushandisa, akakwira-magetsi mashandiro ekushandisa, akakwira-magetsi kuputika-chiratidzo simba rekugovera magetsi, uye emagetsi-emagetsi switch makabati. Iyo yepamusoro-voltage switch indasitiri yekugadzira chikamu chakakosha chesimba rekufambisa uye shanduko yekugadzira indasitiri yekugadzira uye inotora yakakosha chinzvimbo mune rese simba indasitiri. Rinoshanda: Iyo yakakwira-voltage switchgear ine mashandiro epamusoro inouya neinobuda waya, tambo inopinda uye inobuda waya, uye bhazi kubatana.
Kushanda: Inonyanya kukodzera nzvimbo dzakasiyana senge magetsi emagetsi, zvinotsiviwa, magetsi sisitimu, petrochemicals, metallurgia simbi kutenderera, magetsi maindasitiri uye machira, mafekitori nemakambani emigodhi uye nharaunda dzekugara, zvivakwa zvepamusoro, nezvimwe. izvo zvinodiwa zveiyo "AC simbi-yakavharirwa switchgear" yakajairwa. Iyo inoumbwa ne cabinet uye redunhu breaker. Iyo kabati inoumbwa negobolondo, zvemagetsi zvikamu (kusanganisira insulators), dzakasiyana nzira, echipiri matemu uye Connection nezvimwe zvinhu.
Zvidziviriro zvishanu:
1. Dzivirira kuvhara pasi pemutoro: Mushure mevharumu redunhu breaker trolley mune yakakwira-voltage switch cabinet yakavharwa panzvimbo yekuyedza, trolley redunhu breaker haigone kupinda munzvimbo yekushanda.
2. Dzivirira kuvhara netambo yevhu: Kana banga rekumisikidza mune yakakwira-voltage switch kabati iri munzvimbo yakavharwa, trolley redunhu breaker haigone kuvharwa.
3. Dzivirira kupinda netsaona mukati menguva mhenyu: Kana iyo vacuum redunhu breaker mune yepamusoro-voltage switch kabhodhi iri kuvhara, musuwo weshure wepaneru wakavharwa nemuchina pane banga rekumisikidza uye musuwo wedare.
4. Dzivirira kurarama pasi.
5.Kudzivirira switch-inotakura switch: iyo vacuum redunhu breaker mune yakakwira-voltage switchgear haigone kubuda chinzvimbo chinoshanda che trolley redunhu breaker kana iri kushanda.
Maumbirwo uye kuumbwa
Iyo inowanzo nyorwa nekabati, yakakwira-voltage vhiri redunhu mudariki, simba rekuchengetedza mashini, trolley, kumisikidza banga switch uye yakazara dziviriro. Inotevera muenzaniso weiyo yepamusoro-voltage switchgear, kukuratidza iwe hwakadzama hwemukati chimiro
 
A: Kamuri yebhazi
B: (wedunhu mudariki) imba yengoro
C: Imba yekamuri
D: Dzosera mudziyo wechiridzwa
1. Dzvinyiriro yekushandisa
2. Shell
3. Bazi rebazi
4. Bus bushing
5. Bhazi hombe
6. Kunofambira mberi kuonana mudziyo
7. Static yekuonana bhokisi
8. Yazvino transformer
9. Grounding switch
10. Cable
11. Kudzivisa
12. Dhinda pasi bhazi
13. Chikamu chinobviswa
14. Chikamu (musungo)
15. Sekondari plug
16. Circuit breaker handcart
17. Kupisa dehumidifier
18.Kubvisa chikamu
19. Grounding switch switch mashandiro
20. Dzora pani yewaya
21. Pasi ndiro
 AbinetKabineti
Iyo inoumbwa nekutsimbirira mahwendefa esimbi uye chivharo chakavharwa, chine kamuri yechiridzwa, imba yetrolley, tambo yekamuri, kamuri yebhazi, nezvimwewo, yakaparadzaniswa nemahwendefa esimbi, sezvakaratidzwa mumufananidzo 1. Imba yechiridzwa ine zvigadziri zvakasunganidzwa, maammeters , voltmeters nemimwe michina; iyo trolley kamuri yakarongedzwa netirori uye yakakwira-voltage vharuvhu redunhu mabhureki; iyo busbar kamuri yakagadzirirwa matatu-chikamu mabhasi; iyo tambo kamuri inoshandiswa kubatanidza tambo dzemagetsi nekunze.
IghHigh voltage vacuum redunhu mudariki
Iyo inonzi yakakwira-voltage vharuvhu redunhu breaker ndeyekuisa yayo mikuru yekutaurirana mukamuri yakavharwa yevhavha yemukati. Kana vokukurukura vadzima kana kudzima, iyo arc haina gasi inotsigirwa nemoto, iyo isingazopisa uye yakasimba. Panguva imwecheteyo, zvigadzirwa zvekudzivirira zvinoshandiswa sehwaro hwekuvandudza switch yemuchina. Inodaidzwa kuti yakakwira-voltage vharuvhu redunhu mudariki nekuda kwekukwirisa kwayo kuita.
MechanismCar mashini
Isa iyo yemagetsi-yemagetsi wedunhu breaker pane trolley uye famba netrolley. Kana mubato wakazunzwa uchienda kurudyi, trolley inopinda kabhineti uye inoisa iyo yekuvhara wedunhu breaker mune iyo yepamusoro-voltage dunhu; kana mubato wazunzwa uchienda kurudyi, trolley inobuda mukabineti uye inotyaira iyo vacuum redunhu breaker Dhonza iyo yepamusoro-voltage wedunhu, sezvakaratidzwa muMufananidzo 2.
Organization Sangano rekuchengetedza magetsi
Imwe mota diki inotyaira chitubu kuti ichengete simba, uye iyo yekuvhara wedunhu breaker yakavharwa nekushandisa iyo chitubu kuburitsa iyo kinetic simba.
RoundGround banga chinja
Iko banga switch rinoshanda pakachengeteka kwakabatana. Iwo mukuru-wemagetsi musuwo wedare unogona kuvhurwa chete kana iyo yekumisikidza banga switch yakavharwa. Zvikasadaro, iyo yemhando yepamusoro-voltage khabineti haigone kuvhurwa kana iyo yekumisikidza banga switch isina kuvharwa, iyo inoita basa rekuchengetedzwa kwekuchengetedzwa kwepakati.
Anonzwisisika mudziviriri
Iyo microcomputer dziviriro inoumbwa ne microprocessor, inoratidza skrini, makiyi uye eruzivo maseketi. Inoshandiswa kutsiva iyo yekutanga overcurrent, overvoltage, nguva uye mamwe relay dziviriro maseketi. Input signal: current transformer, voltage transformer, zero-sequence current transformer, switch value nezvimwe zviratidzo; iyo keyboard inogona kushandiswa kuseta zvazvino kukosha, kukosha kwemagetsi, kukurumidza-kuzorora nguva, nguva yekutanga-uye imwe data; iyo skrini yekuratidzira inogona kuratidza chaiyo-nguva data uye kutora chikamu mukutonga, kuuraya Kudzivirira chiito.
Kupatsanura
(1) Zvinoenderana neiyo huru wiring fomu ye switch switch kabhodhi, inogona kuve yakakamurwa kuita bhiriji wiring switch switch kabati, imwechete bhazi switch kabhodhi, mbiri bhazi switch switch, imwechete bhazi chikamu switch kabhodhi, mbiri bhazi ine yekudarika bhazi switch switch kabati uye imwechete bhazi chikamu bhandi Kupfuura bhazi switch switch kabhodhi.
(2) Zvinoenderana neiyo yekumisikidza nzira yedunhu mudariki, inogona kukamurwa yakagadziriswa switch kabati uye inobvisika (handcart mhando) switch cabinet.
(3) Sekureva kwedare remakurukota, inogona kukamurwa kuita simbi-yakavharirwa chikamu switchgear, simbi-yakavharirwa nhumbi dzekushandura, uye simbi-yakavharirwa bhokisi-mhando yakagadziriswa switchgear.
(4) Zvinoenderana nenzvimbo yekumisikidza wedunhu mudariki karavhani, inogona kukamurwa kuita yepasi-yakagadzika switchgear uye yepakati-yakakwira switchgear.
(5) Sekureva kweakasiyana ekuvhara mukati mukati me switchgear, inogona kuganhurwa mumhepo yakadzivirirwa switchgear uye SF6 gasi yakadzivirirwa switchgear.
Huru technical parameter
1. Rated voltage, yakarongwa yazvino, yakatarwa frequency, yakatemwa magetsi frequency kumira voltage, yakatarwa mheni yekumanikidza kumira voltage;
2. Iyo breaker wedunhu ine zvine mwero ratarwa kutyora ikozvino, yakayerwa yekuvhara yepamusoro yazvino, yakatemwa pfupi-nguva inomira yazvino, uye yakarongedzwa yepamusoro inomira ikozvino;
3. Iyo yakatarwa ipfupi-nguva inomira yazvino uye yakatarwa nhanho inomira yazvino yeiyo grounding switch;
4 Mashandiro ekuvhura nekuvhara coil yakatarwa voltage, DC kuramba, simba, yakatemwa magetsi uye simba remagetsi ekuchengetedza mota;
5. Chikamu chedziviriro chekabineti uye nhamba yepasi rose yaanoteerera.
Maitiro ekufambisa emagetsi
1. Vhara mikova yese yekumashure neyekavha yekumashure, uye u kige. Kana chete switch yekumisikidza iri munzvimbo yakavharwa ndipo panogona kuvharwa gonhi rekumashure
2. Pinza mubato wekushandura wevhu wekumisikidza mugomba rine hexagonal kudivi rezasi rerudyi remusuwo wepakati, wobva wautenderedza uchienda kurudyi kuitira kuti switch yekumisikidza ive munzvimbo yakashama. Iyo yekupindirana ndiro pane yekushandisa gomba inozoerekana yabhuroka kumashure kuvhara iyo yekushandisa gomba, uye kabati remuzasi musuwo unokiyiwa.
3. Pusha trolley yebasa kuti uimise, pusha trolley mukabati kuti uiise panzvimbo yakazvimiririra, pamurume isa plug yechipiri, uye vhara musuwo wekamuri yetrolley.
4. Pinza mubato wecheki breaker handcart musoketi yemubato, wochinjisa mubato wiya uchienda kurudyi zvekutenderera makumi maviri. Bvisa mubato kana mubato uri pachena wakavharwa uye paine kurira kwekunzwika. Panguva ino, chingoro chemaoko chiri munzvimbo yekushanda, uye mubato unoiswa kaviri. Yakavharwa, dunhu hombe redunhu breaker trolley yakabatana, uye akakodzera masaini anoongororwa.
5. Basa racho nderekuvhara pane bhodhi remamita, uye switch-off switch inoita kuti redunhu breaker iswedere uye titumire simba. Panguva imwecheteyo, mwenje wakasvibira padheshibhodhi wakadzima uye mwenje mutsvuku uripo, uye kuvhara kuri kubudirira.
Simba kutadza kushanda maitiro
1.Shandisa pani yechiridzwa kuti uvhare, uye switch switch switch switch inoita kuti breaker yedunhu ivhure uye pasherefu, panguva imwechete iyo tsvuku tsvuku pane pani yechiridzwa yadzimwa uye mwenje wegirini uripo, kuvhura kuri kubudirira.
2. Pfekera mubato wedenderedzwa breaker handcart musoketi yemubato, wochinjisa mubato wiring clock for dzinokwana kuita makumi maviri. Bvisa mubato kana mubato uri pachena wakavharwa uye paine kurira kwekunzwika. Panguva ino, chingoro chemaoko chiri munzvimbo yekuyedza. Vhura, vhura musuwo wekamuri yemotokari, bvisa ruoko rwechipiri chipuragi, uye bvisa dunhu hombe rekiroko.
3. Pusha trolley yebasa kuti uvhare, buritsa trolley kuenda kuchitoro chebasa, uye tyaira trolley yebasa.
4. Chengetedza iyo yakatariswa kuratidzwa kana kutarisa kana isina kubhadharwa usati waenderera mberi nekushanda.
5. Pinza mubato wekushandura wevhu wekumisikidza mugomba rine hexagonal kudivi rezasi rerudyi remusuwo wepakati, woitenderedza zvichitenderedza wachi kuitira kuti switch yekumisikidza munzvimbo yakavharwa. Mushure mekusimbisa kuti switch yekumisikidza yakavharwa zvechokwadi, vhura musuwo wedare remakurukota uye vashandi vekuchengetedza vanogona kupinda mukugadzirisa. Kugadziridza.
Kutongwa uye kurapwa kwekuvhara mhosvaKuvhara kukanganisa kunogona kuganhurirwa muzvikanganiso zvemagetsi uye zvemagetsi zvikanganiso. Kune maviri marudzi enzira dzekuvhara: manyore uye magetsi. Iko kutadza kuvhara nemaoko kazhinji kuita kwekutadza kwekugadzira. Manual kuvhara kunogona kuitwa, asi kukundikana kwemagetsi imhosva yemagetsi.
1. Chiito chekudzivirira
Iyo switch isati yaiswa magetsi, iyo dunhu ine kukanganisa kwekuchengetedza dunhu kuti iite iyo anti-rwendo relay basa. Iyo switch inofamba pakarepo mushure mekuvhara. Kunyangwe kana switch yacho ichiri munzvimbo yakavharwa, switch yacho haizovharwe zvakare uye kusvetuka uchienderera mberi.
2. Kudzivirirwa kukundikana
Ikozvino mashanu-ekudzivirira basa akaiswa mune yakakwira-voltage kabati, uye zvinodikanwa kuti switch haigone kuvharwa kana isiri munzvimbo yekushanda kana nzvimbo yekuyedza. Ndokunge, kana chinja chinzvimbo chisina kuvharwa, mota haigoni kuvharwa. Rudzi urwu rwemhosho runowanzo sangana panguva yekuvhara maitiro. Panguva ino, iyo inomhanya chinzvimbo mwenje kana iyo bvunzo nzvimbo mwenje haina kuvhenekera. Fambisa switch trolley zvishoma kuvhara iyo muganho switch yekutumira simba. Kana iyo offset daro yemuganhu switch iri yakawandisa, inofanirwa kugadziriswa. Kana chinzvimbo chinja mune iyo JYN mhando yakakwira voltage kabhoni haigone kufambiswa kunze, chidimbu chakaita V-chinogona kuiswa kuti ive nechokwadi chekuvhara kwekuvimbika kwemuganho switch.
3. Electrical cascading kutadza
Mune iyo yepamusoro-voltage system, mamwe magetsi emagetsi anogadzirirwa kuitira kuvimbika kushanda kweiyo system. Semuenzaniso, mune imwechete-bhazi chikamu sisitimu ine maviri anouya magetsi tambo, zvinodikanwa kuti chete maviri eaya matatu switch, iwo maviri ari kuuya mutsara kabhineti uye bhazi rakabatana kabati, anogona kusanganiswa. Kana ese ari matatu akavharwa, pachave nenjodzi yekudzosera magetsi magetsi. Uye iyo pfupi-yedunhu parameter inochinja, uye yakafanana oparesheni pfupi-redunhu razvino rinowedzera. Chimiro cheketani yedenderedzwa chinoratidzwa muMufananidzo 4. Iyo inopinda kabhineti inopindirana wedunhu yakabatana nhevedzano pamwe neakajairwa akavharwa mameji ebhasi akabatana kabhineti, uye iyo inouya kabhineti inogona kuvharwa kana bhazi rakabatana kabhineti rakavhurika.
Iyo inopindirana redunhu rebhazi rakabatana kabati rakabatana zvakafanana neiro rinowanzo kuvhurwa uye rimwe rinowanzovharwa remaviri anouya makabati zvichiteerana. Nenzira iyi, zvinogona kuve nechokwadi chekuti mubatanidzwa wedare remabhazi unogona chete kuendesa simba kana imwe yemakabhati maviri ari kuuya ikavharwa uye imwe yakavhurwa. Kana iyo yepamusoro-voltage kabati isingakwanise kuvharwa nemagetsi, tanga wafunga kana paine magetsi akapindirana, uye haigone kushandisa bofu kuvhara bhuku. Kukanganisa kwemagetsi kusimuka kazhinji hakusi kushanda zvakanaka uye hakugone kuzadzisa zvinodiwa zvekuvhara. Semuenzaniso, kunyangwe iri kuuya bhazi coupler iri kuvhura uye kumwe kuvhara, chingoro chiri mukabhodhi rekuvhura chinoburitswa kunze uye plug haina kubudiswa mukati.
Kushandisa mwenje mutsvuku uye mutema kutonga iyo yekubatsira switch kutadza kuri nyore uye kuri nyore, asi hakunyatso kuvimbika. Inogona kuongororwa uye kusimbiswa ne multimeter. Maitiro ekugadzirisa chinja rekubatsira kugadzirisa kona yeiyo yakagadziriswa flange uye kugadzirisa kureba kwekubatsira switch yekubatanidza tsvimbo.
4. Vhura dunhu kukanganisa kwekutonga wedunhu
Muchikamu chekutonga, switch switch inokanganisika, dunhu rakatemwa, nezvimwewo, kuitira kuti coil yekuvhara isakwanise kupihwa simba. Panguva ino, hapana ruzha rwekuita kweiyo coil yekuvhara. Iko hakuna magetsi kuyambuka coil yekuyera. Iyo yekuongorora nzira ndeyekutarisa yakavhurika redunhu poindi ine multimeter.
5. Kukundikana kwekuvhara coil
Kutsva kweiyo coil yekuvhara ikanganiso-pfupi. Panguva ino, kunhuhwirira kunoshamisa, utsi, fiyuzi pfupi, nezvimwe. Kuvhara coil yakagadzirirwa basa renguva pfupi, uye iyo inopa simba haigone kuve yakarebesa. Mushure mekukundikana kwekuvhara, chikonzero chinofanirwa kuwanikwa munguva, uye bhureki remubatanidzwa harifanirwe kudzoserwa kakawanda. Kunyanya iyo coil yekuvhara yeCD mhando yemagetsi ekushandisa mashini iri nyore kupisa nekuda kwenzvimbo huru inopfuura.
Iyo nzira yemagetsi bvunzo inowanzo shandiswa kana kugadzirisa iko kukanganisa kwekuti iyo yepamusoro-voltage kabati haigoni kuvharwa. Iyi nzira inogona kubvisa kukanganisa kwetambo (kunze kwetembiricha tembiricha uye gasi zvikanganiso), magetsi emagetsi anokanganisa, uye kudzikamisa zvikanganiso zvekuchinja. Iyo yekukanganisa nzvimbo inogona kunyatso kugadziriswa mukati meyenhumbi. Naizvozvo, mune yekurapa kwekukurumidzira, unogona kushandisa nzvimbo yekuyedza kuyedza simba rekufambisa, uye kutsiva nzira yekutumira yemagetsi yekutakura. Izvi zvinogona kuwana zvakapetwa mhedzisiro nehafu yekuyedza uye zvinogona kudzikisira nguva yekubuda kwemagetsi.

Post nguva: Jul-28-2021