Misiyano mikuru pakati peSF6 mhete main unit uye yezvakatipoteredza gasi mhete main unit ndeye insulation medium, kuita kwezvakatipoteredza, kuchengetedza uye mamiriro ekushandisa.
- Insulation medium: SF6 ring main unit inoshandisa sulfur hexafluoride (SF6) gasi se insulation medium, nepo zvakatipoteredza gasi ring main unit inotora magasi matsva anoenderana nemhoteredzo akadai seperfluoroisobutyronitrile (C4F7N) senge insulation medium.SF6 gasi ine yakanaka insulation performance uye kugadzikana, asi inoonekwa segasi rakasimba regreenhouse effect, rine simba guru rekuparadza nharaunda. Mukupesana, magasi ane hushamwari kwezvakatipoteredza ane yakaderera zvikuru CO2 yakaenzana emissions uye inoderedza kuburitswa kwegreenhouse gasi neinopfuura 99%, ichipa zvakakosha zvakatipoteredza.
- Kuitwa kwezvakatipoteredza: Kunyange zvazvo SF6 ring main unit ine yakanakisa insulating performance, ine yakanyanya kuipa kukanganisa nharaunda nekuda kwekushandiswa kweSF6 gasi. Kudzivirirwa kwezvakatipoteredza gasi mhete network kabati nekushandisa rudzi rutsva rwekuchengetedza kwezvakatipoteredza gasi, kuderedza zvakanyanya kukanganisa kwezvakatipoteredza, zvinoenderana nekuchengetedzwa kwezvakatipoteredza zvinodiwa, ndiyo ramangwana maitiro ekuvandudzwa kwemhete network cabinet.
- Chengetedzo: Mhando mbiri dzeRINGC dzakagadzirwa nekuchengetedza mupfungwa. SF6 RINGCs inova nechokwadi chekuchengetedzwa kwekushanda nekutora matanho akadai semakina ekuvhara uye magetsi ekuvhara mabasa. Iyo yekuchengetedzwa kwezvakatipoteredza gasi mhete main unit inovimbisa kuiswa chisimbiso uye kuchengetedzeka kweiyo mhete main unit nekutora Stainless simbi laser-welded yakavharwa zvachose chimiro dhizaini. Zvichakadaro, ese conductive maseketi akaputirwa ne epoxy resin kana silicone rubber, iyo inovimbisa kuchengetedzwa kwepamusoro kwekushanda uye kushanda.
- Mamiriro ekushandisa: SF6 mhete mains makabati anoshandiswa zvakanyanya kune yavo yakanakisa insulation kuita uye kugadzikana, uye akakodzera kune akasiyana emagetsi anodiwa. Eco-gasi akavharirwa anonyanya kukodzera zvikumbiro zvinosimbisa kushanda kwezvakatipoteredza, sezviya zvinoda kuderedza kuburitswa kwegasi regreenhouse, pamwe neaya anoshandisa kabhoni peaking uye kabhoni isina kwayakarerekera nzira.
Kupfupisa, musiyano mukuru pakati peSF6 RINGC neEGF RINGC unogara mumhepo yekudzivirira, kushanda kwezvakatipoteredza, kuchengetedza uye kushandiswa kwemamiriro ezvinhu.SF6 RINGCs uye EGF RINGCs midziyo yakajairika mumagetsi emagetsi, uye vanoita basa rinokosha musimba remagetsi. hurongwa hwekugovera. Nekudaro, nekuvandudzwa kweruzivo rwekuchengetedzwa kwezvakatipoteredza uye kusimbiswa kwemitemo yekuchengetedza kwezvakatipoteredza, kudiwa kweyakagadzikana gasi mhete main makabati muindasitiri yemagetsi kuri kuwedzerawo zvishoma nezvishoma. Panyaya yekushanda kwezvakatipoteredza, gasi reSF6 rinoshandiswa muSF6 ring main cabinet rine high greenhouse effect uye kudziya kwepasi rose, ukuwo gasi rinoenderana nemhoteredzo rinoshandiswa mumakabati makuru egasi rine hushamwari, rinoenderana nemhoteredzo uye harikanganisi mhepo, zvinoenderana nezvinodiwa zvemazuva ano zvekuchengetedza kwezvakatipoteredza. Panyaya yemafambisirwo emusika, kudiwa kwezvakatipoteredza gasi mhete makuru makabati muindasitiri yemagetsi kuri kuwedzera zvishoma nezvishoma nekuvandudzwa kweruzivo rwekuchengetedzwa kwezvakatipoteredza uye kuenderera mberi kusimbaradzwa kwemitemo yekuchengetedza kwezvakatipoteredza. Makambani emagetsi emagetsi akawanda uye mapurojekiti akatanga kusarudza kuchengetedzwa kwezvakatipoteredza gasi mhete network kabati, kuchengetedzwa kwezvakatipoteredza gasi mhete network kabati zvishoma nezvishoma ichatsiva yechinyakare SF6 mhete network kabati, ive iyo inonyanya kushandiswa muindasitiri yemagetsi.
Seven Stars Electric Co., Ltd. ikambani inoshanda mukugadzirwa kwemakabati egasi ane hushamwari. Nechikwata chehunyanzvi cheR&D uye michina yekugadzira yemhando yepamusoro, kambani inokwanisa kupa vatengi vane mhando yepamusoro-soro inoshamwaridzana negasi mhete main cabinet zvigadzirwa nemhinduro. Kambani yakazvipira kusimudzira kushandiswa kwezvakatipoteredza gasi mhete network makabati muindasitiri yemagetsi, kusangana nezvinodiwa nevatengi kune zvigadzirwa zvine hushamwari kwezvakatipoteredza, uye kubatsira iyo indasitiri yemagetsi kusimudzira mune yakawedzera hushamwari uye inochengetedza gwara.
Kune akawanda marudzi ekunze vacuum circuit breakers, uye ZW32 neZW20ndivo vakawanda
yakakurumbira mumusika, zvino chiindiwo musiyano uripo pakati pe them? Nzira yekusarudza?
ZW32 uye ZW20 zvakasiyana mukushanda, nzira dzekushandisa, zviyero; kuitira kuti kufambisa ndangariro uye kuzivikanwa kwakaringana, akasiyana maratidziro emhando akanyorwa.
ZW32 neZW20 ndidzo dhizaini nhamba dzepanze vacuum circuit breaker. Musiyano wavo chaiwo mutsauko mukutaridzika uye mutsauko mukuita kwekudzivirira. Nyika dzakasiyana kana matunhu ane zvinodiwa zvakasiyana, zvinodiwa zvemuenzaniso zvakasiyanawo.
ZW32 yakatevedzana yekunze vacuum yedunhu breaker chimiro ipole-yakaiswa mhando, vacuum arc inodzima wedunhu breaker.
ZW20 yakatevedzana yekunze vacuum yedunhu breaker chimiro yakajairwa bhokisi remhando, imhando ye inflatable circuit breaker ine vacuum arc yekudzima, iri nani insulation kupfuura ZW32.
Zvavobasa rakafanana in kudziviriraion zvetransformer kanawiring line. Ose ari maviri anogona kukamurwa kuita manyorero, mota kana akangwara marudzi,etc.
Musiyano chaiwo pakati peZW32 neZW20 ndewekuti:
1.ZW32 mhando yekunze danda-yakaiswa vacuum circuit breaker ye rated voltage 12KV, three-phase AC 50Hz panze high voltage distribution distribution. Inonyanya kushandiswa kuputsa uye kuvhara mutoro wezvino, kuremedza ikozvino uye pfupi yedunhu ikozvino mumagetsi emagetsi. Inokodzera kuchengetedzwa uye kutonga mumagetsi ekugovera sisitimu yezviteshi uye maindasitiri uye emigodhi mabhizinesi, uye akakodzera zvakanyanya kumadhorobha nekumaruwa magetsi grid kuvaka uye shanduko uye kazhinji nzvimbo dzekushanda. Iyo ZW32 vacuum circuit breaker ine chitubu chekuchengetedza simba rekushandisa masisitimu, inogona kushandirwa nemaoko, mota uye kure. Switch yekuzviparadzanisa inogona kuiswa padivi redunhu rinotyora kuti riite yekunze high-voltage vacuum circuit breaker uye yekunze yakakwira-voltage isolation switch yekubatanidza mudziyo, iyo inowedzera inooneka yekuputsika uye ine yakavimbika interlock mashandiro. Zvinoenderana nezvinodiwa nemushandisi, inogona kusanganiswa neanoenderana controller kuumba AC yakakwira-voltage vacuum otomatiki recloser, otomatiki chikamu, inozvipa yekushanda simba rekushandisa, ndiyo yakanakira michina yekuona otomatiki yekugovera network. High voltage transformer chimiro chinogona kuiswa kunze kana kubatanidzwa. ZW32-12G/1250-20, ZW32-12 akatevedzana akaiswa mhando yekunze yakakwira voltage vacuum circuit breaker ndeye-nhatu-chikamu AC 50hz, yakayerwa voltage 12kv yekunze yakakwira voltage switchgear. Iyo yedunhu breaker idiki miniaturized dhizaini, yakavharirwa zvizere chimiro, yakasarudzika arc yekudzima kamuri yekurongedza tekinoroji, yakanaka yekuisa chisimbiso kuita, hunyoro-uchapupu, anti-condensation, inokodzera kupisa kwakanyanya uye nzvimbo dzine hunyoro. ZW32-12G circuit breaker isolation switch yekubatanidza appliance inoumbwa neZW32 circuit breaker + isolation switch.
ZW20-12 yekunze AC yakakwira voltage demarcation vacuum circuit breaker is a user demarcation switch. Iyo inonyanya kuumbwa neZW20-12 vacuum circuit breaker body, kukanganisa kuona controller uye yekunze voltage transformer. Iwo matatu akabatanidzwa nemagetsi kuburikidza neaviation socket uye kunze sealed control cable; Nekukanganisa kwekuona basa, kuchengetedza uye kutonga basa uye kutaurirana basa, inogona kuona zero kutevedzana ikozvino uye interphase pfupi-dunhu kukanganisa ikozvino mukati uye kunze kwemuganhu weiyo MA level, uye kuona kubviswa otomatiki kweimwe-chikamu chepasi chikanganiso uye interphase. pfupi-circuit kukanganisa; Body switch vacuum modhi inodzima uye inotora SF6 gasi insulation; yakavharwa gasi tangi ine kuputika-proof uye insulation chimiro tekinoroji, kuita sealing kuita kwakanakisa, iyo yemukati SF6 gasi haizobvisike, uye haizokanganiswe nekunze nharaunda. Muchina wekushanda wechirimo wakagadziridzwa uye wakagadziridzwa mukuita dhizaini, uye kuvimbika kwekushanda kwakavandudzwa zvakanyanya kana zvichienzaniswa neyechinyakare maturusi meshini; Kusangana pakati peshaft uye sleeve yeiyo huru loop inogamuchirwa. Iko kusangana kwekupokana kweiyo huru loop idiki uye tembiricha inokwira yakaderera.
Saka mutsauko uripo pakati pezviviri uchiri wakakura, zvese muchimiro nekuita, pane musiyano wakakosha.
Smart mhando yakajairika kushanda voltage: 220V
Smart type configuration: FTU, matatu pcs of current transformers (pamwe chete anonzi: three-phase synthesized zero sequence), voltage transformer inowanzozivikanwa sePT (PT's function ndeyekushandura high-voltage 10000V kuita 220V, uye wozopa simba kuFTU. ). Remote control mukuvhura nekuvhara.
Manual type configuration: maviri emazuva ano transformers (AC two-phase protection), inogona kuvhurwa nemaoko uye yakavharwa.
Shell zvinhu: ZW32 inowanzogadzirwa nesimbi isina tsvina; ZW20 ine ndiro inotonhora yakakungurutswa ichipfapfaidza, simbi isina tsvina.
Ose ari maviri ekunze akakwira-voltage vacuum circuit breaker, ZW32 mutengo wakakwira zvichienzaniswa neZW20. Kunyatsosarudzwa kunoenderana nemamiriro ekunze, uye yega yega yekushandisa zvinodiwa nekambani.
Maswichi akaiswa pamapango ekunze mu10kV pamusoro pekugovera mitsara anoshandiswa mudhorobha uye kumaruwa ekugovera network semakanika switchgear yekupwanya, kuvhara uye kutakura mitsetse yekutakura mitsetse uye kukanganisa mafairi. Yakajairika pole-yakamisikidzwa wedunhu breaker (demarcation switch) inonyanya kurongwa ne switch body + FTU. Yekutanga neyechipiri fusion yakazara seti yekoramu-yakamisikidzwa wedunhu breaker inowanzo rongwa ne switch body + FTU (feeder otomatiki terminal) ine sensors.
1, Column switch classification
Zvinoenderana ne breaking capacity points:
a. Column disconnecting switch: haigone kuvhara, kuvhura uye kutyora yakajairika mutoro wazvino, pane kutsemuka kwakajeka, kunoshandiswa kugadzirisa mutsara wekuzviparadzanisa.
b. On-column load switch: inokwanisa kuvhara, kutakura uye kutyora yakajairika mutoro ikozvino (≤630A), inokwanisa kutakura asi isingatyoki kukanganisa ikozvino switchgear.
c. On-circuit breaker: switchgear inokwanisa kuvhara, kutakura uye kutyora yakajairika mutoro ikozvino (≤630A) uye kukanganisa ikozvino (≥20kA).
d. Fuse pambiru: kutyora pfupi-circuit ikozvino, chengetedza mutsara
Arc yekudzima nzira: vacuum arc kudzimisa, SF6 arc kudzimisa, mafuta arc kudzimisa (kubviswa)
Insulation: kuputika kwemhepo, SF6 gasi insulation, composite insulation, mafuta insulation (yakabviswa)
Yakakamurwa zvinoenderana neiyo controller yakaiswa:
a. Boundary switch: yakavakirwa-zero sequence transformer, ine zero sequence kuchengetedza basa, ine mutoro switch kana wedunhu breaker.
b. Voltage type load switch: inogona kuvhura otomatiki nekuvhara gedhi zvinoenderana nekuchinja kwemagetsi mutsara pamativi ese.
c. Centralized load switch: Haikwanise kuvhura uye kuvhara mapfupi-edunhu zvino breaker.
SF6 insulating gasi igasi risina ruvara, risinganhuwi, risingabatike, uye rine hunhu hwakanakisa hwekudzivirira magetsi uye arc kudzimisa hunhu, density yakapetwa kashanu pane yemhepo, uye haisi nyore kubuda.
2, On-column inobvisa switch
Column isolation switch, inozivikanwawo segedhi rekuzviparadzanisa nebanga, imhando yemidziyo yekudzora isina arc yekudzima mudziyo, basa rayo guru nderekuparadzanisa magetsi kuti ave nechokwadi chekuchengetedzwa kwemamwe magetsi ekugadzirisa, saka hazvibvumidzwe kushanda nemutoro. . Zvisinei, pasi pemamwe mamiriro ezvinhu, inobvumirwa kubatanidza kana kubvisa magetsi maduku. Ndiyo imwe yeanonyanya kushandiswa magetsi emagetsi pakati pe-high-voltage switch.
Column yekuzviparadzanisa switch inogona kushandiswa kugadzirisa mitsara yekudzima, kutsvaga kukanganisa, kuyedza tambo, kuvakazve maitiro ekushanda, nezvimwe, dhonza vhura iyo yekuzviparadzanisa switch switch inogona kuita kudiwa kwemidziyo yekugadzirisa uye kumwe kumisa mutsara wekuzvimiririra, kumisikidzwa yakavimbika insulation gaka, kupa mudonzvo anogona kuonekwa pachena disconnect chiratidzo, kuti ive nechokwadi kuti kuchengeteka kuchengetedza kana bvunzo basa. Zvakanakira zvekoramu-yakaiswa disconnectors mutengo wakaderera, nyore uye kusimba. Iyo inowanzo shandiswa seyekuchinjisa dhizaini yekodzero dzezvivakwa zvemutsetse wemuchadenga uye mushandisi, uye seyekuchinjisa dhizaini yetambo yetambo uye mutsara wepamusoro, uye inogona zvakare kuiswa kune rimwe divi kana mativi ese ari maviri emutsetse wekubata mutoro. chinja kuti ufambise kutsvaga kukanganisa, tambo yekuyedza uye kugadzirisa kutsiva iyo yekubatikana mutoro switch, etc. Iyo yekudimbura switch haigone kutakura mitoro yakayerwa kana kushandiswa seinoparadzanisa switch.
Iyo yekudimbura switch haigone kushandiswa neyakayerwa mutoro kana mutoro wakakura, uye haigone kupatsanura uye kuvhara mutoro wezvino uye pfupi-yedunhu ikozvino. Kazhinji, panguva yekushanda kwemagetsi, shanduko yekubvisa inovharwa kutanga, inoteverwa nemutambo wedunhu kana kushandura mutoro; panguva yekutadza kushanda kwesimba, redunhu rinotyora kana kurodha switch rinodzimwa kutanga uye ipapo switch yekubvisa.
Iyo yekudimbura switch inogona kutakura yakavimbika ikozvino inoshanda uye pfupi-yedunhu ikozvino, asi haigone kutyora mutoro wazvino. Inogona kuvhura nekuvhara iyo isina kutakurwa transformer ine excitation ikozvino isingapfuuri 2A uye iyo isina kurodha mutsara ine capacitance ikozvino isingapfuuri 5A. Kazhinji, iyo inosimba yekudzikamisa ikozvino yekudzima switch haipfuure 40kA, uye kutarisisa kunofanirwa kubhadharwa kune calibration pakusarudza yekubvisa switch. Upenyu hwekushanda hwema disconnectors anenge 2000 cycles.
3, Column load switch
Column load switch iri nyore arc yekudzima mudziyo, inogona kutakurwa nekutonga kwemidziyo yemagetsi kupatsanura nekuvhara dunhu. Inogona kucheka imwe mitoro yazvino uye yakawandisa ikozvino, asi haigone kucheka mapfupi-edunhu ikozvino, uye inofanirwa kushandiswa munhevedzano ine yakakwira-kudzvanywa fuse kugura pfupi-yedunhu ikozvino nerubatsiro rwefuse.
Load switch imhando yekuchinjisa mudziyo pakati pekudimbura switch uye wedunhu breaker, inonyanya kushandiswa kupatsanura mutsara uye kukanganisa kuzviparadzanisa nevamwe.
Iko kune kunyanya kugadzira gasi-kuremedza switch switch, vacuum uye SF6 load switch. Gasi-inogadzira mutoro switch ndiko kushandiswa kwezvinhu zvakasimba zvinogadzira gasi zvinoumbwa ne slits muarc pasi pekuita kwenhamba yakawanda yemagasi kuti iite gasi rinoputika arc, nekuda kwechimiro chayo chiri nyore, mari shoma uye yakamboshandiswa zvakanyanya. Vacuum, SF6 load switch uye vacuum, SF6 circuit breaker shape, parameters yakafanana, mutsauko ndewekuti switch yekutakura haina kugadzirirwa CT yekudzivirira, haigoni kuvhura pfupi-circuit ikozvino, asi inogona kumira kwenguva pfupi, kuvhara pfupi-yedunhu ikozvino, ine hupenyu hurefu hwesevhisi, kuchengetedza-isina maficha, hupenyu hwemagetsi, yakayerwa ikozvino kuvhurwa uye nguva dzekuvhara dzinopfuura 10,000 nguva, yakakodzera kushanda nguva zhinji.
Column load switch inowanzoshandiswa mubasa inowanzoshandiswa column vacuum load switch. Vacuum load switch inotora vacuum arc kudzimisa, SF6 insulation, matatu-phase common box type, VSP5 electromagnetic kana chitubu chekushandisa, transformer yazvino inogona kuvakwa-mukati, tambo kana terminal yekubuda, inogona kuvakwa-mukati yekuzviparadzanisa, kurembera kana kugara. . Sezvinoratidzwa mumufananidzo uri pasi apa:
Pamusoro pekushandiswa kwekoramu SF6 load switch fluid yakati wandei. SF6 load switch ine SF6 arc yekudzima, SF6 insulation, matatu-phase common box type, yazvino transformer inogona kuvakwa-mukati, tambo kana terminal yekubuda, kunze kunogona kuve neshongedzero yekuzvisarudzira yekuzvimiririra, kurembera kana kugara mhando yekuisa.
4, Column circuit breaker
Circuit breaker mudziyo wekuchinja unogona kuvhara, kutakura uye kuvhura ikozvino pasi pemamiriro edunhu akajairwa uye inogona kuvhara, kutakura uye kuvhura ikozvino pasi pemamiriro edunhu asina kujairika mukati menguva yakatarwa. Circuit breaker inogona kushandiswa kugovera simba, zvisingawanzo tanga asynchronous motors, tambo dzemagetsi uye mota, nezvimwewo kuita kudzivirira, kana zvikaitika zvakakomba kurodha kana pfupi-circuit uye under-voltage uye zvimwe zvikanganiso zvinogona kucheka otomatiki dunhu. basa rakaenzana ne-fuse-type switch uye musanganiswa we-over- uye under-thermal relays zvichingodaro.
Column circuit breaker is a circuit breaker yakaiswa uye inoshandiswa padanda, rinowanzozivikanwa se "watchdog", imhando yekuchinja midziyo inogona kucheka kana kubatanidza tambo pasi pemamiriro akajairwa, uye kushandura tambo yakakanganisika pamaoko kana otomatiki kuburikidza ne kushanda kana basa rekudzivirira relay mudziyo kana tambo iri pfupi-yakatenderedzwa uye yakanganisa. Musiyano mukuru uripo pakati pemabreaker breakers uye mitoro inochinja ndeyekuti mabreaker edunhu anogona kushandiswa kuvhura pfupi-circuit ikozvino. Column circuit breaker inonyanya kushandiswa kugovera mutsara wepakati chikamu kukanda, kutonga, kuchengetedza, inogona kuvhura uye kuvhara pfupi-yedunhu ikozvino.
Column circuit breaker zvinoenderana nearc yekudzima svikiro inoshandiswa, inogona kupatsanurwa kuita oiri maseketi breaker (basic elimination), sulfur hexafluoride (SF6) circuit breaker, vacuum circuit breakers.
Iyo yepakutanga yekugovera network purojekiti inoshandisa sulfur hexafluoride (SF6) mabreaker circuit uye vacuum circuit breaker yakawanda, uye ikozvino mitsara yekugovera mucheki inopwanya inonyanya kushandiswa mune yekunze AC yakakwira-voltage yakangwara vacuum circuit breakers, yakangwara vacuum dunhu rinotyora nekuona kukanganisa. basa, kudzivirira uye kutonga mabasa uye kutaurirana mabasa. Inowanzo kuisirwa mu10kV pamusoro pemutsetse webasa rekuganhura poindi, inogona kuona otomatiki resection, imwe-chikamu kudzika uye otomatiki yekuzviparadzanisa-pfupi yekukanganisa-pfupi, ndicho chigadzirwa chakanakira kugovera mutsara kuvaka uye kugovera network otomatiki kuvaka.
Intelligent vacuum circuit breaker inogona kushandiswa pamaoko, nemagetsi, neremote control uye neremote host. Iyo yedunhu inotyora ine zvikamu zvitatu: muviri, inoshanda sisitimu uye controller (yega yega switch inogona kuvakwa-mukati). Mutambo wedunhu unogona kugadzirirwa CT (protection current transformer), ZCT (zero sequence current transformer), u (voltage transformer) semucherechedzo wemutongi maererano nezvinodiwa.
Vacuum redunhu rinopwanya zvinoenderana neyakakwana yekuvharisa zvinhu ine SF6 insulated vacuum wedunhu breaker uye mhepo insulated vacuum circuit breaker. SF6 insulated vacuum circuit breaker inotora vacuum interrupter, SF6 insulation, three-phase common box type, inotora maspring operation mechanism, transformer iripo inogona kuvakwa mukati, tambo kana terminal kunze kwemutsara, yekunze sarudzo yekuzviparadzanisa nevamwe, kurembera kana kugara. type installation. Air-insulated vacuum circuit breaker inotora vacuum arc kudzimisa, kuvharira kwemhepo, matatu-chikamu chakasimba-chakavharwa danda-column mhando, inotora chitubu kana chisingaperi magineti inoshanda, shanduko yazvino inogona kuvakwa-mukati, tambo kana terminal yekubuda, yekunze sarudzo yekuzviparadzanisa nevamwe. , kugara mhando yekuisa.
5, Kudonha-mukati fuse
Kudonha fiyuzi inowanzozivikanwa seChibatanidza, ndeye 10kV yekuparadzira mutsara webazi mutsetse uye kugovera transformer inonyanya kushandiswa pfupi yedunhu kudzivirira switch. Iyo ine hupfumi, iri nyore kushanda, inoenderana nekunze kwezvakatipoteredza uye humwe hunhu, hunoshandiswa zvakanyanya mumitsara yekugovera 10kV uye kugovera vashanduri sechikamu chekutanga chekudzivirira uye kukanda midziyo, kucheka kushanda.
Drop fuse yakaiswa mu10kV yekugovera mutsara webazi mutsara, inogona kuderedza chiyero chekudzima kwemagetsi, nekuti ine yakakwira-voltage inodonha fuse iri pachena yekudimbura poindi, ine basa reiyo yekuzviparadzanisa switch, kune chikamu chekuchengetedza mutsara uye midziyo yekugadzira. nzvimbo yakachengeteka yekushanda, kuwedzera kuchengetedzwa kwevashandi vekuchengetedza. Yakaiswa pashanduro yekugovera, inogona kushandiswa sechidziviriro chikuru cheshanduro yekugovera, saka yakave yakakurumbira mumitsara yekugovera 10kV uye kugovera kushandura.
Iyo fuse inogona kuiswa padivi remagetsi rekuchinja kwekutakura kana padivi rine simba rekuchinja kwekutakura. Kana zvisingakodzeri kugara uchidonhedza fuse, zvinodikanwa kutora iyo yekare gadziriro kuitira kuti ushandise basa rekuchinja kwemutoro sedhishi yekubvisa, uye shandisa iyo kuparadzanisa voltage yakawedzerwa kune yazvino-inomisa fuse.
Iko kuumbwa kwefuse inodonha inonyanya kuumbwa ne insulator, chigaro chepasi chekutsigira, yakaderera inofambiswa kubata, yakaderera static kuonana, inokwirisa ndiro, yepamusoro static kuonana, duckbill, yepamusoro inofambiswa kubata, fuse chubhu uye zvichingodaro.
6. Misiyano yekoramu switch
Misiyano mikuru ndeyotevera:
Iyo yekudimbura switch haina arc yekudzima mudziyo, saka yakakodzera chete kucheka ikozvino pasina mutoro, uye haigone kudzima mutoro wazvino uye ipfupi-yedunhu ikozvino, saka iyo yekudzima switch yekushandisa inogona kungoshandiswa zvakachengeteka pasi pemamiriro ezvinhu. yekuchengetedzwa kwedunhu kubviswa, uye inorambidzwa kushanda nemutoro, kuitira kuti irege kukonzera njodzi yekuchengetedza.
Load switch nekuda kweiyo arc yekudzima mudziyo, ine imwe arc yekudzimisa kugona, asi isina kusimba senge wedunhu breaker arc yekudzima kugona, anogona kupatsanura yakajairika inoshanda ikozvino, dunhu diki, anogona chete chinyararire kutsungirira pfupi-yedunhu ikozvino, kana nguva ino kuputika nemaoko kana nemagetsi kunogona kuputika, saka shanduko yemutoro inowanzo shandiswa neyezvino-inomisa fuse (load switch + fuse haisi iyo yakajairwa gadziriso, asi zvakare haigone kushandiswa nefuse) Kana yakawandisa. kana pfupi-dunhu redunhu rakaputswa nefuse. Kuti uchengetedze mutengo, load switch + fuse inogona kushandiswa pachinzvimbo chedunhu breaker.
Iyo yedunhu inotyora ine yakasimba arc yekudzima kugona, uye inogona kubata yakajairika kushanda ikozvino pamwe nekukanganisa ikozvino. Basa rekudzivirira redunhu rinopwanya rinoitwa nerelay kuchengetedza mudziyo. High-voltage circuit breakers haina midziyo ye-low-voltage circuit breakers yakadai se thermal release, magnetic release, under-voltage release, etc. Kana pane kukanganisa mumutsara inotongwa nerelay kudzivirira mudziyo, uye dunhu. breaker inongoita kutyora zvinoenderana nekuraira kwekudzivirira relay. Rodha switch uye mapanga ekubvisa zvakare hazvidiwi kupa mirairo kwavari kana mutsara wakanganisa nekuti havagone kutyora chikanganiso chazvino. Iyo yedunhu inopwanya switch ine yakakwira arc yekudzima simba uye inofanirwa kushandiswa pamwe chete neiyo relay kuchengetedza mudziyo.
By Tinogona kupedzisa sezvinotevera:
Dimbura chinja - anogona chete kuvhura uye batanidza hurongwa hapana-mutoro azvino, uye sezvo chikuru wiring hurongwa pachena disconnection pfungwa, mukugadzirisa muitiro sezvo hurongwa pachena disconnection pfungwa. Inowanzo shandiswa mhando: GW9, HGW9, GW4, GW5, nezvimwe.
Load switch - inogona kuvhura nekuvhara sisitimu yakajairwa kurodha ikozvino, asi haigone kutyora system kukanganisa ikozvino. Inowanzoshandiswa mhando: FZW32
Circuit breaker-Inogona kuvhura nekuvhara yakajairwa kuremerwa ikozvino kweiyo system, asi zvakare inogona kuvhura nekuvhara iyo kukanganisa uye pfupi-yedunhu ikozvino yehurongwa. Mienzaniso inowanzoshandiswa: ZW32, ZW20, ZW7, ZW8, LW3, nezvimwewo.
