Ruzivo rwe switchgear ine simba rakawanda, mashandiro ekudzima kwemagetsi uye nzira dzekurapa zvikanganiso

Mashandisirwo: Inonyanya kukodzera nzvimbo dzakasiyana-siyana dzakadai semagetsi, nzvimbo dzemagetsi, nzvimbo dzemagetsi, petrochemicals, metallurgical steel rolling, indasitiri yemwenje nemachira, mafekitori nemabhizinesi emigodhi nenzvimbo dzekugara, zvivakwa zvemarefu, nezvimwewo. Kuumbwa: Chigadziko chemagetsi chinofanira kusangana nezvinodiwa zve "AC metal-enclosed switchgear" standard. Chinoumbwa nekabhineti necircuit breaker. Kabhineti inoumbwa negoko, zvikamu zvemagetsi (kusanganisira zvinodzivirira magetsi), michina yakasiyana-siyana, secondary terminals uye Connection nezvimwe zvikamu.
Zvidziviriro zvishanu:
1. Dzivirira kuvharika pasi pemutoro: Mushure mekunge trolley ye vacuum circuit breaker iri mu high-voltage switch cabinet yavharwa panzvimbo yekuyedza, trolley circuit breaker haigone kupinda munzvimbo yekushanda.
2. Dzivisa kuvhara newaya yekudzika: Kana banga rekudzika riri mukabati re switch rine voltage yakawanda rakavharwa, trolley circuit breaker haigone kuvharwa.
3. Dzivisa kupinda netsaona mukati menguva iri kushanda: Kana vacuum circuit breaker iri mubhandi re switch rine voltage yakawanda yavharwa, gonhi rekumashure repaneru rinokiyiwa nemuchina uri pabanga rekugadzika pasi uye gonhi rekabhineti.
4. Dzivisa kugadzika kwemhepo kuripo: Chinopwanya mhepo mu switchgear ine simba guru chinovharwa kana chichishanda, uye banga rekugadzika harigone kuiswa.
5. Dzivirira switch inotakura mutoro: vacuum circuit breaker iri mu switchgear ine voltage yakawanda haigone kubuda panzvimbo yekushanda yetrolley circuit breaker kana ichishanda.

Maumbirwo uye kuumbwa
Inonyanya kuumbwa nekabhineti, vacuum circuit breaker ine voltage yepamusoro, nzira yekuchengetedza simba, trolley, grounding knife switch uye comprehensive protector. Izvi zvinotevera muenzaniso we switchgear ine voltage yepamusoro, kuti ikuratidze chimiro chemukati chakadzama.

 

A: Imba yebhazi
B: (circuit breaker) imba yengoro yemaoko
C: Imba yetambo
D: Imba yemidziyo yekutumira zvinhu
1. Mudziyo wekubatsira kumanikidzwa
2. Goko
3. Bhazi rebazi
4. Kutasva mabhazi
5. Bhazi guru
6. Mudziyo wekubata usingachinji
7. Bhokisi rekubata risingachinji
8. Transformer yemazuva ano
9. Chinotsikisa pasi
10. Tambo
11. Kudzivisa
12. Dhinda bhazi repasi
13. Chikamu chinobviswa
14. Kupatsanura (musungo)
15. Chivharo chechipiri
16. Ngoro yekufambisa madhiraivha edunhu
17. Chinobvisa hunyoro mukupisa
18. Kupatsanura kunobviswa
19. Nzira yekushandisa yekushandura pasi
20. Dzora tambo yewaya
21. Ndiro yepasi

①Kabhineti
Inoumbwa nekudzvanya maplate esimbi uye chivakwa chakavharwa, chine imba yemidziyo, imba yetrolley, imba yetambo, imba yebhazi, nezvimwewo, zvakaparadzaniswa nemaplate esimbi, sezvakaratidzwa paMufananidzo 1. Imba yemidziyo ine maprotector akabatanidzwa, maammeter, mavoltmeter nezvimwe zvishandiso; imba yetrolley ine matrolley nemavacuum circuit breakers ane voltage yepamusoro; imba yebhazi ine mabusbar ane phase three; imba yetambo inoshandiswa kubatanidza tambo dzemagetsi kunze.
②Muchina wekupwanya dunhu une simba guru
Chinonzi high-voltage vacuum circuit breaker ndechekuisa macontacts ayo makuru mukamuri rakavharwa re vacuum. Kana macontacts ari kubatidzwa kana kudzimwa, arc haina moto unotsigira gasi, uyo usingazotsvi uye unogara kwenguva refu. Panguva imwe chete, zvinhu zvinodzivirira zvinoshandiswa sehwaro hwekuvandudza switch ye vacuum. Inonzi high-voltage vacuum circuit breaker nekuda kwekushanda kwayo kwekudzivirira.
③Maitiro emota
Isa chinodzora mhepo ine simba guru patrolley wofamba netrolley. Kana mubato wazungunuswa newachi, trolley inopinda mukabati yoisa chinodzora mhepo ine simba guru mutrolley ine simba guru; kana mubato wazungunuswa newachi, trolley inobuda mukabati yofambisa chinodzora mhepo ine simba guru. Dhirowa trolley ine simba guru, sezvakaratidzwa muMufananidzo 2.
④ Kurongeka kwekuchengetera simba
Mota diki inotyaira chitubu kuti chichengetedze simba, uye vacuum circuit breaker inovharwa nekushandisa chitubu kuburitsa simba rekinetic.
⑤Chinjiso chebanga chepasi
Iswichi yebanga inoshanda pakuchengetedza. Gonhi remakabati rine simba guru rinogona kuvhurwa chete kana swichi yebanga rekumisa pasi yavharwa. Zvikasadaro, gonhi remakabati rine simba guru harigone kuvhurwa kana swichi yebanga rekumisa pasi isina kuvharwa, izvo zvinoita basa rekudzivirira kuchengetedza kumisa pasi.
⑥ Dziviriro yakakwana
Idziviriro ye microcomputer inoumbwa ne microprocessor, display screen, makiyi uye peripheral circuits. Inoshandiswa kutsiva ma overcurrent ekutanga, overvoltage, time uye mamwe ma relay protection circuits. Input signal: current transformer, voltage transformer, zero-sequence current transformer, switch value nezvimwe zviratidzo; keyboard inogona kushandiswa kuisa current value, voltage value, quick-break time, start-up time nedzimwe data; display screen inogona kuratidza data renguva chaiyo uye kutora chikamu mukutonga, kuita Protection action.

Kupatsanura
(1) Zvichienderana nechimiro chikuru chewaya yekabhini rekuchinja, inogona kukamurwa kuita kabhini rekuchinja waya yebhiriji, kabhini rekuchinja bhazi rimwe chete, kabhini rekuchinja bhazi kaviri, kabhini rekuchinja bhazi rimwe chete, kabhini rekuchinja bhazi rimwe chete rine kabhini rekuchinja bhazi reparutivi uye kabhini rekuchinja bhazi reparutivi.
(2) Zvichienderana nenzira yekuisa circuit breaker, inogona kukamurwa kuita kabhineti yeswitch yakagadzika uye kabhineti yeswitch inobviswa (yerudzi rwengoro yemaoko).
(3) Zvichienderana nechimiro chekabhineti, inogona kukamurwa kuita switchgear yakavharirwa nesimbi, switchgear yakavharirwa nesimbi, uye switchgear yakavharirwa nesimbi.
(4) Zvichienderana nenzvimbo yekuisa ngoro yemagetsi inopwanya dunhu, inogona kukamurwa kuita switchgear yakaiswa pasi uye switchgear yakaiswa pakati.
(5) Zvichienderana nemidziyo yakasiyana-siyana inodziisa mukati meswitchgear, inogona kukamurwa kuita switchgear inodziisa mweya uye switchgear inodziisa mweya yeSF6.

Huru tekinoroji parameters
1. Voltage yakayerwa, current yakayerwa, frequency yakayerwa, frequency yesimba yakayerwa inomira voltage, frequency yakayerwa inomira voltage yemheni;
2. Circuit breaker ine current inoputsa ine mwero, current inovhara ine mwero, current inotsungirira kwenguva pfupi, uye current inotsungirira ine mwero;
3. Mhepo inomira kwenguva pfupi uye peak inomira ye switch yekumisa pasi;
4. Nzira yekushandisa kuvhura nekuvhara coil rated voltage, DC resistance, simba, rated voltage uye simba remota yekuchengetedza simba;
5. Nhanho yekuchengetedzwa kwekabhineti uye nhamba yenyika inotevedzera.
Maitiro ekutumira simba
1. Vhara magonhi ese ekumashure nekavha yekumashure, woakiya. Gonhi rekumashure rinogona kuvharwa chete kana switch yekudzika yavharwa.
2. Isa mubato wekushandisa we grounding switch mugomba rine ma hexagonal riri kurudyi rwepazasi pegonhi repakati, woritenderedza newachi kuti grounding switch ive yakavhurika. Purati inovhara pagomba rekushandisa ichadzoka yoga kuti ifukidze gomba rekushandisa, uye gonhi repazasi rekabhineti richakiyiwa.
3. Sundidzira trolley yekushandira kuti iiise panzvimbo yayo, sundidzira trolley mukabati kuti iiise panzvimbo yayo yoga, isa plug yechipiri nemaoko, wovhara gonhi re trolley compartment.
4. Isa mubato wengoro yemagetsi inopwanya dunhu musoketi yemubato, wotenderedza mubato uchitenderera wachi kweanenge madenderedzwa makumi maviri. Bvisa mubato kana mubato wacho wavharika uye paine ruzha rwekudzvanya. Panguva ino, ngoro yemagetsi inenge iri panzvimbo yekushanda, uye mubato wacho unopinzwa kaviri. Yakavharwa, dunhu guru rengoro yemagetsi inopwanya dunhu rakabatana, uye zviratidzo zvakakodzera zvinotariswa.
5. Basa nderekuvhara pabhodhi remita, uye switch-off switch inoita kuti circuit breaker ivhare uye itumire magetsi. Panguva imwe chete, rambi regirini riri padashboard rinodzima uye rambi dzvuku rinobatidzwa, uye kuvhara kunobudirira.

Maitiro ekushanda kwemagetsi asina kushanda
1. Shandisa jira rekushandisa kuti rivhare, uye switch yekuvhura inoita kuti jira rivhare munzvimbo yekuvhura nepasherufu, panguva imwe chete rambi dzvuku riri pajira rekushandisa ridzimwe uye rambi regirini ribatidzwe, jira racho rinobudirira.
2. Isa mubato wengoro inopwanya circuit mu socket yemubato, wotenderedza mubato uchitenderera wachi kweanenge madenderedzwa makumi maviri. Bvisa mubato kana mubato wacho wavharika uye paine ruzha rwekudzvanya. Panguva ino, ngoro yacho iri panzvimbo yekuedza. Vhura, vhura gonhi rekamuri yengoro, bvisa chivharo chechipiri nemaoko, uye bvisa circuit huru yengoro.
3. Sundidzira trolley yebasa kuti ivharwe, dhonza trolley uende nayo kutrolley yebasa, wobva watyaira trolley yebasa.
4. Tarisa chiratidziro chakachajwa kana kuti tarisa kana chisina kuchajwa usati waenderera mberi nekushanda.
5. Isa mubato wekushandisa we grounding switch mugomba rine ma hexagonal riri kurudyi rwepazasi pegonhi repakati, woritenderedza newachi kuti grounding switch ive yakavharwa. Mushure mekusimbisa kuti grounding switch yakavharwa zvechokwadi, vhura gonhi rekabati uye vashandi vekugadzirisa vanogona kupinda mu grounding. Kugadzirisa.

Kutonga nekubata dambudziko rekuvhara Zvikanganiso zvekuvhara zvinogona kukamurwa kuita zvikanganiso zvemagetsi nezvikanganiso zvemakanika. Kune mhando mbiri dzenzira dzekuvhara: dzemaoko nedzemagetsi. Kukundikana kuvhara nemaoko kazhinji kunokanganisa mashandiro emakanika. Kuvhara nemaoko kunogona kuitwa, asi kutadza kwemagetsi idambudziko remagetsi.
1. Chiito chekudzivirira
Swichi isati yabatidzwa, circuit ine circuit yekudzivirira kukanganisa inoita kuti anti-trip relay ishande. Swichi inodonha pakarepo mushure mekuvharwa. Kunyangwe kana switch ichiri munzvimbo yakavharwa, switch haizovharwi zvakare uye inosvetuka nguva dzose.
2. Kukundikana kwekudzivirira
Iye zvino basa rekudzivirira mashanu rakaiswa mukabati ine voltage yepamusoro, uye zvinodikanwa kuti switch isakwanise kuvharwa kana isiri panzvimbo yekushanda kana panzvimbo yekuedza. Kureva kuti, kana switch yenzvimbo isina kuvharwa, mota haigone kuvharwa. Rudzi urwu rwekukanganisa runowanzo sangana narwo panguva yekuvhara. Panguva ino, rambi renzvimbo yekumhanya kana rambi renzvimbo yekuedza haribatidzi. Fambisa trolley yeswitch zvishoma kuti uvhare switch yemuganhu kuti utumire simba. Kana daro re offset re switch yemuganhu rakakura zvakanyanya, rinofanira kugadziriswa. Kana switch yenzvimbo muJYN type high voltage cabinet isingakwanise kutamiswa kunze, chidimbu chakaita seV chinogona kuiswa kuti chive nechokwadi chekuti switch yemuganhu inovharwa yakavimbika.
3. Kukundikana kwemagetsi
Musystem ine voltage yakakwira, mamwe ma "electrical interlocks" akagadzirirwa kushanda kwakavimbika kwesystem. Semuenzaniso, musystem ine bhazi rimwe chete ine tambo mbiri dzemagetsi dzinouya, zvinodikanwa kuti ma switch maviri chete patatu, kabhineti yemutsara unouya nekabhineti yejoint yebhazi, anogona kubatanidzwa. Kana ese matatu akavharwa, pachava nenjodzi yekutumirwa kwesimba re "reverse". Uye ma "short-circuit parameters" anochinja, uye "parallel operation" short-circuit current inowedzera. Chimiro che "chain circuit" chinoratidzwa muMufananidzo 4. "Incoming cabinet interlock circuit" yakabatana ne "contacts" dzinogara dzakavharwa dzekabhineti yejoint yebhazi, uye "incoming cabinet" inogona kuvharwa kana kabhineti yejoint yebhazi yakavhurwa.
Dunhu rinobatana remakabati emabhazi rinobatanidzwa pamwe chete nerimwe rinowanzo vhurwa uye rimwe rinowanzo vharwa remakabati maviri anouya zvichiteerana. Nenzira iyi, zvinogona kuve nechokwadi chekuti kabati remabhazi rinokwanisa kuendesa magetsi chete kana rimwe remakabati maviri anouya ravharwa uye rimwe ravhurwa. Kana kabati remagetsi ane simba rakawanda risingakwanise kuvharwa nemagetsi, tanga wafunga kana paine kuvharwa kwemagetsi, uye risingakwanise kushandisa kuvharwa nemaoko. Kukundikana kwemagetsi kunowanzova kushanda kusina kunaka uye hakugone kuzadzisa zvinodiwa zvekuvhara. Semuenzaniso, kunyangwe bhazi rinopinda richivhura rimwe uye rimwe richivhara, ngoro iri mukabati rinovhura inoburitswa uye plug haina kubatanidzwa. Kana dunhu rekuvharwa richikundikana, unogona kushandisa multimeter kuti utarise nzvimbo yekukanganisa.
Kushandisa mwenje mitsvuku negirini kutonga kutadza kweswitch yekubatsira kuri nyore uye kuri nyore, asi hakuvimbike zvakanyanya. Kunogona kuongororwa nekusimbiswa ne multimeter. Nzira yekugadzirisa switch yekubatsira ndeyekugadzirisa kona yeflange yakagadziriswa uye kugadzirisa hurefu hwetsvimbo yekubatanidza yekubatsira.
4. Kukanganisa kwedunhu rakavhurika redunhu rekudzora
Muchitenderedzo chekutonga, switch yekudzora inokuvara, circuit inobviswa, nezvimwewo, zvekuti coil yekuvharira haigone kusimbiswa. Panguva ino, hapana ruzha rwekushanda kwecoil yekuvharira. Hapana voltage iri pamusoro pecoil yekuyera. Nzira yekuongorora ndeyekutarisa nzvimbo yakavhurika yecircuit uchishandisa multimeter.
5. Kukundikana kwekoiri yekuvhara
Kupiswa kwechombo chekuvhara idambudziko re short-circuit. Panguva ino, kunhuwa kunoshamisa, utsi, fuse pfupi, nezvimwewo zvinoitika. Chombo chekuvhara chakagadzirirwa kushanda kwenguva pfupi, uye nguva inopa simba haifanirwe kureba zvakanyanya. Mushure mekukundikana kwechombo chekuvhara, chikonzero chinofanira kuwanikwa nenguva, uye brake rakabatana harifanirwe kudzoserwa shure kakawanda. Kunyanya chombo chekuvhara cheCD type electromagnetic operating mechanism chiri nyore kudzima nekuda kwesimba guru rinopfuura.
Nzira yekuedza magetsi inowanzo shandiswa pakugadzirisa dambudziko iro kabhineti ine voltage yakawanda isingakwanise kuvharwa. Nzira iyi inogona kubvisa zvikanganiso zvemitsetse (kunze kwekuchinja kwekushisa kwetransformer negesi), zvikanganiso zvemagetsi, uye kuderedza zvikanganiso zveswitch. Nzvimbo yedambudziko inogona kutsanangurwa mukati mengoro. Saka, mukurapwa kwekukurumidzira, unogona kushandisa nzvimbo yekuedza kuyedza kutumirwa kwesimba, uye kutsiva nzira yekutumira simba rengoro yemaoko yakamira kuti ishandiswe. Izvi zvinogona kuwana zvakapetwa kaviri nehafu yekuedza uye zvinogona kuderedza nguva yekudzima kwesimba remagetsi.