Chosinthira magetsi champhamvu chimatanthauza zinthu zamagetsi zomwe zimagwiritsidwa ntchito pozimitsa, kulamulira kapena kuteteza pakupanga magetsi, kutumiza, kugawa, kusintha mphamvu ndi kugwiritsa ntchito mphamvu zamagetsi. Mlingo wamagetsi uli pakati pa 3.6kV ndi 550kV. Makamaka umaphatikizapo ma circuit breakers amphamvu komanso kusungulumwa kwamphamvu. Ma switch ndi ma switch oyambira, ma switch okwera mphamvu zambiri, zida zodziyimira zokha zokha, njira zogwirira ntchito zamagetsi amphamvu, zida zogawa magetsi amphamvu, ndi makabati osinthira magetsi amphamvu. Makampani opanga ma switch amphamvu kwambiri ndi gawo lofunikira kwambiri pamakampani opanga zida zotumizira magetsi ndi kusintha ndipo ali ndi udindo wofunikira kwambiri mumakampani onse amagetsi. Ntchito: Chosinthira magetsi champhamvu chili ndi ntchito za mawaya olowera ndi otuluka pamwamba, mawaya olowera ndi otuluka a chingwe, komanso kulumikizana kwa basi.
Kugwiritsa Ntchito: Ndi yoyenera kwambiri m'malo osiyanasiyana monga malo opangira magetsi, malo osungira magetsi, malo osungira magetsi, mafuta, zitsulo zozungulira zitsulo, mafakitale opepuka ndi nsalu, mafakitale ndi mabizinesi amigodi ndi madera okhala anthu, nyumba zazitali, ndi zina zotero. Kapangidwe: Chosinthira magetsi chiyenera kukwaniritsa zofunikira za muyezo wa "AC metal-enclosed switchgear". Chimapangidwa ndi kabati ndi chosokoneza magetsi. Kabatiyo imapangidwa ndi chipolopolo, zida zamagetsi (kuphatikiza zoteteza magetsi), makina osiyanasiyana, malo osungira magetsi achiwiri ndi zolumikizira ndi zina.
Chitetezo chachisanu:
1. Pewani kutseka mukanyamula katundu: Trolley ya vacuum circuit breaker yomwe ili mu kabati ya switch yamphamvu ikatsekedwa pamalo oyesera, trolley circuit breaker singathe kulowa pamalo ogwirira ntchito.
2. Pewani kutseka ndi waya wothira pansi: Mpeni wothira pansi womwe uli mu kabati yosinthira magetsi amphamvu kwambiri ukakhala wotsekedwa, chothyolera magetsi cha trolley sichingatsekedwe.
3. Pewani kulowa mwangozi mu nthawi yeniyeni: Pamene chotsegula magetsi cha vacuum mu kabati yosinthira magetsi amphamvu chikutseka, chitseko chakumbuyo cha panelo chimatsekedwa ndi makinawo pa mpeni wogwetsa pansi ndi chitseko cha kabati.
4. Pewani kukhazikika kwa magetsi: Chotsekera magetsi cha vacuum chomwe chili mu switchgear yamagetsi amphamvu chimatsekedwa chikagwira ntchito, ndipo mpeni wokhazikika sungaikidwemo.
5. Letsani switch yonyamula katundu: chotsegula magetsi cha vacuum chomwe chili mu switchgear yamagetsi amphamvu sichingatuluke pamalo ogwirira ntchito a trolley circuit breaker chikagwira ntchito.
Kapangidwe ndi kapangidwe kake
Imakhala ndi makabati, chotsukira magetsi cha vacuum champhamvu kwambiri, njira yosungira mphamvu, trolley, chosinthira mpeni woyambira ndi choteteza chokwanira. Chitsanzo cha switchgear yamphamvu kwambiri ndi ichi, kuti chikuwonetseni kapangidwe ka mkati mwa tsatanetsatane.
A: Chipinda cha basi
B: (chotsegula magiya) chipinda cha ngolo yonyamula anthu
C: Chipinda cha chingwe
D: Chipinda cholumikizira zida zotumizirana
1. Chipangizo chothandizira kupanikizika
2. Chipolopolo
3. Basi ya nthambi
4. Kukonza mabasi
5. Basi lalikulu
6. Chipangizo cholumikizira chosasunthika
7. Bokosi lolumikizira losasunthika
8. Transformer yamagetsi
9. Chosinthira pansi
10. Chingwe
11. Kupewa
12. Kanikizani basi yapansi
13. Gawo lochotseka
14. Kugawa (msampha)
15. Pulagi yachiwiri
16. Ngolo yopachikira dera
17. Chotenthetsera chochotsera chinyezi
18. Kugawa kochotsera
19. Njira yogwiritsira ntchito switch yoyambira
20. Yang'anirani chitoliro cha waya
21. Mbale yapansi
①Kabinet
Imapangidwa ndi mbale zachitsulo zokanikiza ndipo ndi nyumba yotsekedwa, yokhala ndi chipinda cha zida, chipinda cha trolley, chipinda cha chingwe, chipinda cha busbar, ndi zina zotero, zolekanitsidwa ndi mbale zachitsulo, monga momwe zasonyezedwera pa Chithunzi 1. Chipinda cha zida chili ndi zotetezera zolumikizidwa, ma ammeter, ma voltmeter ndi zida zina; chipinda cha trolley chili ndi ma trolley ndi ma vacuum circuit breakers amphamvu; chipinda cha busbar chili ndi mabasi atatu; chipinda cha chingwe chimagwiritsidwa ntchito kulumikiza zingwe zamagetsi kunja.
②Chotsukira mpweya cha vacuum circuit champhamvu kwambiri
Chomwe chimatchedwa chotsegula magetsi cha vacuum champhamvu kwambiri chimayikidwa mu chipinda chotsekedwa cha vacuum. Pamene zolumikizirazo zili zoyatsidwa kapena kuzimitsidwa, arc ilibe kuyaka kothandizidwa ndi mpweya, komwe sikungayake ndipo kumakhala kolimba. Nthawi yomweyo, zinthu zotetezera zimagwiritsidwa ntchito ngati maziko owongolera chosinthira magetsi. Chimatchedwa chotsegula magetsi cha vacuum champhamvu kwambiri chifukwa cha mphamvu yake yoteteza kutentha.
③Kachitidwe ka galimoto
Ikani chotsukira magetsi cha vacuum champhamvu kwambiri pa trolley ndipo yendani ndi trolley. Chogwirira chikagwedezeka motsatira wotchi, trolley imalowa mu kabati ndikuyika chotsukira magetsi cha vacuum mu circuit yamphamvu kwambiri; chogwirira chikagwedezeka motsatira wotchi, trolley imatuluka mu kabati ndikuyendetsa chotsukira magetsi cha vacuum. Tulutsani circuit yamphamvu kwambiri, monga momwe zasonyezedwera pa Chithunzi 2.
④ Bungwe losungira mphamvu
Mota yaying'ono imayendetsa kasupe kuti isunge mphamvu, ndipo chotsukira ma vacuum circuit chimatsekedwa pogwiritsa ntchito kasupe kuti atulutse mphamvu ya kinetic.
⑤ Chosinthira mpeni pansi
Ndi switch ya mpeni yomwe imagwira ntchito pa interlock yotetezeka. Chitseko cha kabati chamagetsi amphamvu chimatsegulidwa pokhapokha ngati switch ya mpeni woyambira yatsekedwa. Kupanda kutero, chitseko cha kabati chamagetsi amphamvu sichingatsegulidwe ngati switch ya mpeni woyambira yatsekedwa, zomwe zimagwira ntchito yoteteza interlock yotetezeka.
⑥ Choteteza chokwanira
Ndi choteteza cha microcomputer chomwe chimapangidwa ndi microprocessor, chinsalu chowonetsera, makiyi ndi ma circuits ozungulira. Chimagwiritsidwa ntchito m'malo mwa ma circuits oyambira opitilira muyeso, overvoltage, nthawi ndi ma circuits ena oteteza relay. Chizindikiro cholowera: transformer yamagetsi, voltage transformer, zero-sequence current transformer, switch value ndi ma signal ena; kiyibodi ingagwiritsidwe ntchito kukhazikitsa current value, voltage value, quick-break time, startup time ndi ma data ena; chinsalu chowonetsera chimatha kuwonetsa deta yeniyeni ndikuchita nawo mu control, effect Protection action.
Kugawa
(1) Malinga ndi mawonekedwe akuluakulu a waya wa kabati yosinthira, ikhoza kugawidwa m'magulu awiri: kabati yosinthira waya wa mlatho, kabati yosinthira basi imodzi, kabati yosinthira basi iwiri, kabati yosinthira gawo limodzi la basi, kabati yosinthira basi iwiri yokhala ndi kabati yosinthira basi ya bypass ndi kabati yosinthira basi imodzi yokhala ndi lamba wa basi imodzi.
(2) Malinga ndi njira yokhazikitsira chosokoneza ma circuit, chingagawidwe m'kabati yosinthira yokhazikika ndi kabati yosinthira yochotseka (mtundu wa ngolo yonyamula katundu).
(3) Malinga ndi kapangidwe ka kabati, ikhoza kugawidwa m'magulu awiri: switchgear yokhala ndi zitsulo, switchgear yokhala ndi zida zotetezedwa ndi zitsulo, ndi switchgear yokhala ndi bokosi lokhazikika.
(4) Malinga ndi malo oyika ngolo yochotsera mawilo, imatha kugawidwa m'magulu awiri: switchgear yokwezedwa pansi ndi switchgear yokwezedwa pakati.
(5) Malinga ndi njira zosiyanasiyana zotetezera kutentha zomwe zili mkati mwa switchgear, zitha kugawidwa m'magulu awiri: switchgear yotetezedwa ndi mpweya ndi switchgear yotetezedwa ndi mpweya ya SF6.
Magawo akuluakulu aukadaulo
1. Voliyumu yoyesedwa, mphamvu yoyesedwa, ma frequency oyesedwa, mphamvu yoyesedwa yoyesedwa yolimbana ndi ma frequency, mphamvu yoyesedwa yolimbana ndi mphezi;
2. Chotsekera ma circuit chili ndi ma break current odziwika bwino, ma peak current odziwika bwino, ma current odziwika bwino okhala ndi nthawi yochepa, komanso ma peak current odziwika bwino okhala ndi ma peak current;
3. Mphamvu yokhazikika yokhazikika nthawi yochepa ndi mphamvu yokhazikika yokhazikika yokhazikika;
4 Njira yogwiritsira ntchito mphamvu yotsegulira ndi kutseka mphamvu yolumikizira, mphamvu yolimbana ndi DC, mphamvu, mphamvu yolumikizira ndi mphamvu ya mota yosungira mphamvu;
5. Mulingo wa chitetezo cha kabati ndi nambala ya muyezo wa dziko yomwe ikugwirizana nayo.
Njira yotumizira mphamvu
1. Tsekani zitseko zonse zakumbuyo ndi chivundikiro chakumbuyo, ndipo zitsekeni. Chitseko chakumbuyo chingatsekedwe pokhapokha ngati chosinthira cha pansi chili chotsekedwa.
2. Ikani chogwirira ntchito cha chosinthira cha pansi mu dzenje la hexagonal lomwe lili pansi kumanja kwa chitseko chapakati, ndikuchitembenuza mozungulira kuti chisinthe pansi pamalo otseguka. Mbale yolumikizirana pa dzenje logwirira ntchito idzabwerera yokha kuti iphimbe dzenje logwirira ntchito, ndipo chitseko chapansi cha kabati chidzatsekedwa.
3. Kankhirani trolley yothandiza kuti muyiike pamalo ake, kankhirani trolley mu kabati kuti muyike pamalo akeake, ikani pulagi yachiwiri pamanja, ndikutseka chitseko cha chipinda cha trolley.
4. Ikani chogwirira cha ngolo yodulira magiya mu soketi ya chogwirira, ndipo tembenuzani chogwiriracho mozungulira kwa nthawi pafupifupi 20. Chotsani chogwiriracho pamene chogwiriracho chatsekedwa ndipo pamveka phokoso lodina. Panthawiyi, ngoloyo ili pamalo ogwirira ntchito, ndipo chogwiriracho chayikidwa kawiri. Yatsekedwa, dera lalikulu la trolley yodulira magiya lalumikizidwa, ndipo zizindikiro zoyenera zayang'aniridwa.
5. Ntchito yake ndi kutseka pa bolodi la mita, ndipo switch yozimitsa imapangitsa kuti chotsegula magetsi chitseke ndikutumiza magetsi. Nthawi yomweyo, nyali yobiriwira pa dashboard imazimitsidwa ndipo nyali yofiira imayatsidwa, ndipo kutsekako kumapambana.
Njira yogwiritsira ntchito mphamvu yolephera
1. Gwiritsani ntchito chida cholumikizira kuti chitseke, ndipo chosinthira chotsegulira chimapanga chotsegula ma circuit mu potsegulira ndi pa mashelufu, nthawi yomweyo nyali yofiira pa chida cholumikizira imazimitsidwa ndipo nyali yobiriwira imayatsidwa, potsegulira pake pamakhala bwino.
2. Ikani chogwirira cha ngolo yodulira ma circuit breaker mu soketi ya chogwirira, ndipo tembenuzani chogwiriracho mozungulira kwa nthawi pafupifupi 20. Chotsani chogwiriracho pamene chogwiriracho chatsekedwa ndipo pamveka phokoso loti kuwonekera. Panthawiyi, ngoloyo ili pamalo oyesera. Tsegulani, tsegulani chitseko cha chipinda cha ngolo yodulira ma hand, tulutsani pulagi yachiwiri pamanja, ndikudula dera lalikulu la ngolo yodulira ma hand.
3. Kankhirani trolley yothandiza kuti muyitseke, tulutsani trolleyyo kupita ku trolley yothandiza, ndikuyendetsa trolley yothandiza.
4. Yang'anani chowonetsera chomwe chili ndi chaji kapena onani ngati sichinachajidwe musanapitirize kugwira ntchito.
5. Ikani chogwirira ntchito cha chosinthira cha pansi mu dzenje la hexagonal lomwe lili pansi kumanja kwa chitseko chapakati, ndikuchitembenuza mozungulira kuti chisinthe pansi pamalo otsekedwa. Mukatsimikizira kuti chosinthira cha pansi chatsekedwadi, tsegulani chitseko cha kabati ndipo ogwira ntchito yokonza akhoza kulowa mu kukonza. Kukonzanso.
Kuweruza ndi kuchiza vuto lotseka Zolakwika zotseka zitha kugawidwa m'magawo awiri: zolakwika zamagetsi ndi zolakwika zamakina. Pali mitundu iwiri ya njira zotsekera: zamanja ndi zamagetsi. Kulephera kutseka pamanja nthawi zambiri kumakhala kulephera kwamakina. Kutseka pamanja kumatha kuchitika, koma kulephera kwamagetsi ndi vuto lamagetsi.
1. Chitetezo
Sitimayo isanayambe kuyatsidwa, sitimayo imakhala ndi malo otetezera zolakwika kuti igwire ntchito yoletsa kukwera. Sitimayo imathamanga nthawi yomweyo ikatsekedwa. Ngakhale sitimayo ikadali yotsekedwa, sitimayo sidzatsekedwanso ndipo idzadumphira mosalekeza.
2. Kulephera kwa chitetezo
Tsopano ntchito yoletsa zisanu yayikidwa mu kabati yamagetsi amphamvu kwambiri, ndipo pakufunika kuti switch isatsekedwe pamene siili pamalo ogwirira ntchito kapena pamalo oyesera. Izi zikutanthauza kuti, ngati switch ya malo sinatsekedwe, mota singathe kutsekedwa. Vuto lamtunduwu nthawi zambiri limakumanapo panthawi yotseka. Pakadali pano, nyali yoyendetsera ntchito kapena nyali yoyesera siyiyatsa. Sinthani trolley yosinthira pang'ono kuti mutseke switch yoletsa kuti mutumize mphamvu. Ngati mtunda wa offset wa switch ndi waukulu kwambiri, uyenera kusinthidwa. Ngati switch ya malo mu kabati yamagetsi amphamvu ya JYN singasunthidwe kunja, chidutswa chooneka ngati V chikhoza kuyikidwa kuti zitsimikizire kutseka kodalirika kwa switch ya malire.
3. Kulephera kwa magetsi kutuluka
Mu dongosolo lamagetsi amphamvu kwambiri, ma interlock ena amagetsi amakonzedwa kuti dongosololi ligwire ntchito modalirika. Mwachitsanzo, mu dongosolo la basi limodzi lokhala ndi mizere iwiri yamagetsi yolowera, pamafunika kuti ma switch awiri okha mwa atatu, kabati iwiri yolowera ndi kabati yolumikizira basi, agwirizane. Ngati zonse zitatu zatsekedwa, padzakhala chiopsezo cha kutumiza mphamvu yobwerera m'mbuyo. Ndipo magawo a short-circuit amasintha, ndipo ntchito yofanana ya short-circuit current imawonjezeka. Mawonekedwe a chain circuit akuwonetsedwa pa Chithunzi 4. Cabinet interlock circuit yolowera imalumikizidwa motsatizana ndi ma contacts omwe nthawi zambiri amatsekedwa a kabati yolumikizira basi, ndipo kabati yolowera imatha kutsekedwa kabati yolumikizira basi ikatsegulidwa.
Dera lolumikizana la kabati yolumikizira mabasi limalumikizidwa limodzi ndi limodzi lomwe nthawi zambiri limatsegulidwa ndi lina lomwe nthawi zambiri limatsekedwa la makabati awiri obwera motsatana. Mwanjira imeneyi, zitha kutsimikizika kuti kabati yolumikizira mabasi imatha kutumiza mphamvu pokhapokha ngati imodzi mwa makabati awiri obwera yatsekedwa ndipo inayo yatsegulidwa. Ngati kabati yamagetsi amphamvu singatsekedwe ndi magetsi, choyamba ganizirani ngati pali kutsekeka kwamagetsi, ndipo simungathe kugwiritsa ntchito kutseka kwamanja. Kulephera kwa magetsi nthawi zambiri sikugwira ntchito bwino ndipo sikungakwaniritse zofunikira zotsekereza. Mwachitsanzo, ngakhale kuti cholumikizira mabasi chobwera ndi chimodzi chotseguka ndi chimodzi chotseka, ngolo yonyamula katundu yomwe ili mu kabati yotsegulira imachotsedwa ndipo pulagi simalumikizidwa. Ngati dera lolumikizira lalephera, mutha kugwiritsa ntchito multimeter kuti muwone komwe cholakwika chili.
Kugwiritsa ntchito magetsi ofiira ndi obiriwira kuti muweruze kulephera kwa switch yothandizira ndikosavuta komanso kosavuta, koma sikodalirika kwambiri. Kungathe kufufuzidwa ndikutsimikiziridwa ndi multimeter. Njira yosinthira switch yothandizira ndikusintha ngodya ya flange yokhazikika ndikusintha kutalika kwa ndodo yolumikizira switch yothandizira.
4. Vuto la dera lotseguka la dera lolamulira
Mu chizunguliro chowongolera, chosinthira chowongolera chawonongeka, dera latsekedwa, ndi zina zotero, kotero kuti chosinthira chotseka sichingathe kugwira ntchito. Pakadali pano, palibe phokoso la ntchito ya chosinthira chotseka. Palibe magetsi ochulukirapo pa chosinthira choyezera. Njira yowunikira ndikuyang'ana malo otseguka a dera pogwiritsa ntchito multimeter.
5. Kulephera kwa chozungulira chotseka
Kuwotcha kwa chotseka ndi vuto la short-circuit. Panthawiyi, fungo lachilendo, utsi, fuse yochepa, ndi zina zotero zimachitika. Chotsekacho chapangidwira ntchito ya kanthawi kochepa, ndipo nthawi yopatsa mphamvu siingakhale yayitali kwambiri. Pambuyo polephera kutseka, chifukwa chake chiyenera kupezeka munthawi yake, ndipo brake yophatikizika siyenera kubwezedwa kangapo. Makamaka chotsekacho cha makina ogwiritsira ntchito maginito amagetsi amtundu wa CD ndi chosavuta kuyaka chifukwa cha mphamvu yayikulu yodutsa.
Njira yoyesera mphamvu nthawi zambiri imagwiritsidwa ntchito pokonza vuto lomwe kabati yamagetsi amphamvu singatseke. Njirayi imatha kuchotsa zolakwika za mzere (kupatula zolakwika za kutentha kwa transformer ndi mpweya), zolakwika zamagetsi, ndikuchepetsa zolakwika za switch. Malo olakwika amatha kudziwika mkati mwa ngolo yonyamula katundu. Chifukwa chake, pa chithandizo chadzidzidzi, mutha kugwiritsa ntchito malo oyesera kuyesa kutumiza mphamvu, ndikusinthira njira yotumizira mphamvu ya ngolo yoyimirira kuti igwiritsidwe ntchito. Izi zitha kupeza zotsatira kawiri ndi theka la khama ndipo zitha kuchepetsa nthawi yozimitsa magetsi.
