Kusiyana kwakukulu pakati pa SF6 ring unit main unit ndi chilengedwe cha gasi ring main unit ndi kutchinjiriza sing'anga, magwiridwe antchito a chilengedwe, chitetezo ndi mawonekedwe ogwiritsira ntchito.
- Insulation sing'anga: SF6 mphete yaikulu unit amagwiritsa sulfure hexafluoride (SF6) mpweya monga kutchinjiriza sing'anga, pamene chilengedwe wochezeka mpweya mphete main unit utenga latsopano zachilengedwe wochezeka mpweya monga perfluoroisobutyronitrile (C4F7N) monga kutchinjiriza sing'anga.SF6 mpweya ali wabwino kutchinjiriza ntchito ndi bata, koma imatengedwa ngati mpweya wamphamvu wowonjezera kutentha, womwe uli ndi kuthekera kwakukulu kowononga chilengedwe. Mosiyana ndi zimenezi, mpweya wokonda zachilengedwe uli ndi mpweya wochepa kwambiri wa CO2 wofanana ndi mpweya ndipo umachepetsa mpweya wowonjezera kutentha ndi 99%, zomwe zimapindulitsa kwambiri chilengedwe.
- Kuchita kwa chilengedwe: Ngakhale SF6 ring main unit ili ndi ntchito yabwino yotetezera, imakhala ndi vuto lalikulu pa chilengedwe chifukwa chogwiritsa ntchito mpweya wa SF6. Environmental chitetezo mpweya mphete maukonde nduna pogwiritsa ntchito mtundu watsopano wa mpweya chitetezo chilengedwe, kuchepetsa kwambiri zotsatira za chilengedwe, mogwirizana ndi zofunika chitetezo chilengedwe, ndi mchitidwe tsogolo la chitukuko cha mphete nduna maukonde.
- Chitetezo: Mitundu yonse iwiri ya RINGC idapangidwa ndi chitetezo m'malingaliro. SF6 RINGCs imatsimikizira chitetezo chogwira ntchito potengera njira monga kutseka kwamakina ndi ntchito zotsekera zamagetsi. Chigawo chachikulu cha mphete yachitetezo cha gasi chimatsimikizira kusindikiza ndi chitetezo cha mphete yayikulu potengera kapangidwe kachitsulo chosapanga dzimbiri laser-weld chotsekedwa kwathunthu. Pakadali pano, mabwalo onse oyendetsa amakutidwa ndi utomoni wa epoxy kapena mphira wa silikoni, womwe umatsimikizira chitetezo chambiri chogwira ntchito ndikugwiritsa ntchito.
- Mawonekedwe a Ntchito: Makabati a mphete a SF6 amagwiritsidwa ntchito kwambiri chifukwa chachitetezo chawo chabwino komanso chokhazikika, ndipo ndi oyenera pazosowa zosiyanasiyana zamagetsi. Malo osungiramo mpweya wa Eco-gasi ndi abwino kwambiri kwa ntchito zomwe zimatsindika momwe chilengedwe chikuyendera, monga zomwe zimafunika kuchepetsa mpweya wowonjezera kutentha, komanso zomwe zimagwiritsa ntchito njira zowonongeka za carbon ndi carbon neutral.
Mwachidule, kusiyana kwakukulu pakati pa SF6 RINGC ndi EGF RINGC kumakhala muzitsulo zotsekemera, zochitika zachilengedwe, chitetezo ndi ntchito. dongosolo logawa. Komabe, ndikusintha kwa chidziwitso cha chitetezo cha chilengedwe komanso kulimbikitsidwa kwa malamulo oteteza chilengedwe, kufunikira kwa makabati akuluakulu a mphete ya gasi omwe amagwirizana ndi chilengedwe m'makampani amagetsi akuchulukiranso pang'onopang'ono. Pankhani ya momwe chilengedwe chimagwirira ntchito, mpweya wa SF6 womwe umagwiritsidwa ntchito mu makabati akuluakulu a SF6 umakhala ndi kutentha kwapamwamba komanso kutentha kwapadziko lonse, pomwe mpweya wosagwirizana ndi chilengedwe womwe umagwiritsidwa ntchito m'makabati akuluakulu osamalira zachilengedwe ndi wokonda zachilengedwe ndipo samawononga mlengalenga, zimagwirizana ndi zofunikira zamakono zoteteza chilengedwe. Pankhani ya msika, kufunikira kwa makabati akuluakulu a mphete ya gasi omwe sakonda zachilengedwe m'makampani amagetsi akuchulukirachulukira ndikuwongolera kuzindikira zachitetezo cha chilengedwe komanso kulimbikitsa mosalekeza malamulo oteteza chilengedwe. Ochulukirachulukira mphamvu magetsi makampani ndi ntchito anayamba kusankha chilengedwe chitetezo gasi mphete maukonde nduna, kuteteza chilengedwe mpweya mphete maukonde nduna pang'onopang'ono m'malo miyambo SF6 mphete maukonde nduna, kukhala mankhwala ambiri mu makampani mphamvu.
Seven Stars Electric Co., Ltd. ndi kampani yomwe imagwira ntchito bwino popanga makabati a gasi omwe amateteza chilengedwe. Ndi gulu la akatswiri a R&D komanso zida zapamwamba zopangira, kampaniyo imatha kupatsa makasitomala zinthu zapamwamba kwambiri zosamalira zachilengedwe komanso zothana ndi gasi. Kampaniyo yadzipereka kulimbikitsa kugwiritsa ntchito makabati ogwirizana ndi chilengedwe a gasi mphete pamakampani opanga magetsi, kuti akwaniritse zofuna zamakasitomala pazachilengedwe, komanso kuthandiza makampani opanga mphamvu kuti azikhala okonda zachilengedwe komanso okhazikika.
Pali mitundu yambiri yamagetsi apanja, ndi ZW32 ndi ZW20ndi ambiri
otchuka pamsika, ndiye chiyanindi kusiyana kwa thinu? Kodi kusankha?
ZW32 ndi ZW20 ndizosiyana mu ntchito, njira zogwiritsira ntchito, miyeso; kuti athe kuwongolera kukumbukira ndi kuzindikira kolondola, mitundu yosiyanasiyana yamitundu yalembedwa.
ZW32 ndi ZW20 ndi manambala apangidwe amagetsi akunja a vacuum. Kusiyana kwawo kwenikweni ndiko kusiyana kwa maonekedwe ndi kusiyana kwa ntchito zotsekemera. Mayiko kapena zigawo zosiyanasiyana zimakhala ndi zofunikira zosiyana, zofunikira zachitsanzo zimakhalanso zosiyana.
ZW32 mndandanda wakunja kwa vacuum wosweka wozungulira ndi mtundu wokwera, vacuum arc kuzimitsa dera wosweka.
ZW20 mndandanda wakunja wakupukutira wosweka wozungulira ndi mtundu wamba wamabokosi, ndi mtundu wamtundu wa inflatable circuit breaker ndi vacuum arc kuzimitsa, kutchinjiriza bwino kuposa ZW32.
Zawontchito ndi yofanana in kutetezaion mwatransformer kapenachingwe cholumikizira. Onse akhoza kugawidwa m'magulu amanja, oyendetsa galimoto kapena anzeru,ndi zina.
Kusiyana kwake pakati pa ZW32 ndi ZW20 ndi:
1.ZW32 mtundu panja mzati wokwera zingalowe dera wosweka kwa oveteredwa voteji 12KV, atatu gawo AC 50Hz panja mkulu voteji kugawa zida. Amagwiritsidwa ntchito kwambiri kuthyola ndi kutseka katundu wapano, kudzaza pakali pano komanso pafupipafupi pamagetsi amagetsi. Ndiwoyenera kutetezedwa ndi kuwongolera mumayendedwe ogawa mphamvu zamabizinesi ang'onoang'ono ndi mabizinesi ang'onoang'ono ndi migodi, ndipo ndioyeneranso kumanga gululi yamagetsi akumidzi ndi kumidzi ndikusintha komanso malo ogwirira ntchito pafupipafupi. ZW32 vacuum circuit breaker ili ndi makina ogwiritsira ntchito masika, omwe amatha kuyendetsedwa pamanja, pagalimoto komanso patali. Chosinthira chodzipatula chikhoza kukhazikitsidwa pambali pa chophwanyira dera kuti chipange chotchinga chapanja champhamvu chamagetsi chamagetsi komanso chophatikizira chapanja champhamvu chamagetsi chodzipatula, chomwe chimawonjezera kusweka kwapang'onopang'ono komanso kukhala ndi ntchito yodalirika yolumikizirana. Malinga ndi zofunikira za wogwiritsa ntchito, zikhoza kuphatikizidwa ndi wolamulira wogwirizana kuti apange AC high-voltage vacuum vacuum automatic recloser, automatic sectioner, magetsi odzipangira okha, ndi zipangizo zoyenera kuti azindikire kugawa maukonde. High voltage thiransifoma dongosolo akhoza kuikidwa kunja kapena Integrated. ZW32-12G/1250-20, ZW32-12 mndandanda wokhala ndi mtundu wakunja wapamwamba wa voliyumu vacuum circuit breaker ndi magawo atatu AC 50hz, ovoteledwa voteji 12kv panja mkulu voteji switchgear. Wowononga dera ndi mawonekedwe atsopano a miniaturized, mawonekedwe otsekedwa mokwanira, teknoloji yapadera yozimitsa chipinda cha arc, ntchito yabwino yosindikizira, chinyezi-umboni, anti-condensation, yoyenera kutentha kwambiri ndi madera achinyezi. ZW32-12G circuit breaker isolation switch combination appliance imapangidwa ndi ZW32 circuit breaker + isolation switch.
ZW20-12 panja AC high voltage demarcation vacuum circuit breaker ndi chosinthira cha ogwiritsa ntchito. Amapangidwa makamaka ndi ZW20-12 vacuum circuit breaker body, chowongolera chowunikira komanso chosinthira magetsi chakunja. Zitatuzi zimalumikizidwa ndi magetsi kudzera pa socket ya ndege ndi chingwe chowongolera chosindikizidwa panja; Ndi ntchito yozindikira zolakwika, ntchito yoteteza ndi kuwongolera ndi ntchito yolumikizirana, imatha kuzindikira zero zotsatizana pano ndi interphase vuto laling'ono laling'ono mkati ndi kunja kwa malire a mulingo wa MA, ndikuzindikira kuchotsedwa kwa gawo limodzi lokhalokha ndi interphase. vuto lafupipafupi; Body switch vacuum mode ndi arc kuzimitsa ndi kutengera SF6 gasi kutchinjiriza; osindikizidwa gasi thanki ndi kuphulika-umboni ndi kutchinjiriza kapangidwe luso, ntchito kusindikiza zonse ndi zabwino, mkati SF6 mpweya sangatayike, ndipo izo sizidzakhudzidwa ndi chilengedwe. Makina ogwiritsira ntchito masika asinthidwa pang'ono ndikukonzedwa bwino pamapangidwe, ndipo kudalirika kwa magwiridwe antchito kumakhala bwino kwambiri poyerekeza ndi kachitidwe kakale kasupe;Kulumikizana pakati pa shaft ndi manja a lupu yayikulu kumatengedwa. Kukaniza kukhudzana kwa chipika chachikulu ndi chaching'ono ndipo kukwera kwa kutentha kumakhala kochepa.
Kotero kusiyana pakati pa ziwirizi kudakali kwakukulu, m'mawonekedwe ndi machitidwe, pali kusiyana kofunikira.
Mtundu wanzeru wamba wogwiritsa ntchito magetsi: 220V
Kukonzekera kwamtundu wanzeru: FTU, ma PC atatu a ma transfoma apano (omwe amatchulidwa kuti: magawo atatu amtundu wa zero), makina osinthira magetsi omwe amadziwika kuti PT (Ntchito ya PT ndikusintha ma voltage 10000V kukhala 220V, kenako ndikupereka mphamvu ku FTU. ). Kuwongolera kutali pakutsegula ndi kutseka.
Kukonzekera kwamtundu wapamanja: zosintha ziwiri zamakono (chitetezo cha magawo awiri a AC), zimatha kutsegulidwa ndi kutsekedwa pamanja.
Zinthu zachipolopolo: ZW32 nthawi zambiri zimapangidwa ndi chitsulo chosapanga dzimbiri; ZW20 ili ndi kupopera mbewu kwa mbale yozizira, chitsulo chosapanga dzimbiri.
Onsewa ndi ophulika panja apamwamba kwambiri, mtengo wa ZW32 ndiwokwera kwambiri poyerekeza ndi ZW20. Kusankhidwa kwachindunji kumatengera chilengedwe, komanso zofunikira za kampani iliyonse.
Masiwichi oyikidwa pamitengo yakunja mu mizere yogawira pamwamba ya 10kV amagwiritsidwa ntchito kumadera akumidzi ndi kumidzi ngati ma switchgear othyoka, kutseka ndi kunyamula mizere yonyamula mizere ndi mafunde olakwika. Chophwanyira chozungulira chokhazikika (chosinthira malire) chimapangidwa makamaka ndi switch body + FTU. Gawo loyamba ndi lachiwiri lophatikizika lathunthu la ophwanyira chigawo chokhazikika nthawi zambiri limapangidwa ndi switch body + FTU (feeder automation terminal) yokhala ndi masensa.
1, Gulu losintha lazambiri
Malinga ndi breaking capacity points:
a. Chophimba cholumikizira: sichingatseke, kutsegula ndi kuswa katundu wamba, pali kusweka bwino, komwe kumagwiritsidwa ntchito pokonza mzere wodzipatula.
b. Chosinthira pamizere: chomwe chimatha kutseka, kunyamula ndikuphwanya katundu wanthawi zonse (≤630A), chotha kunyamula koma osathyola zida zosinthira.
c. Pa-circuit breaker: switchgear yomwe imatha kutseka, kunyamula ndi kuswa katundu wamba (≤630A) ndi vuto lapano (≥20kA).
d. Fuseni pamzati: kuti muphwanye njira yachidule, tetezani mzerewo
Njira yozimitsa ya Arc: Kuzimitsa kwa vacuum arc, SF6 arc kuzimitsa, kuzimitsa mafuta arc (kuchotsedwa)
Insulation: kutchinjiriza mpweya, SF6 kutchinjiriza mpweya, kutchinjiriza gulu, kutchinjiriza mafuta (kutha)
Amagawidwa molingana ndi owongolera omwe adayikidwa:
a. Kusintha kwa malire: chosinthira chotsatira cha zero chokhazikika, chokhala ndi chitetezo chotsata zero, chokhala ndi switch switch kapena circuit breaker.
b. Kusintha kwamtundu wa Voltage: imatha kutsegula ndi kutseka chipata molingana ndi kusintha kwa magetsi kumbali zonse ziwiri.
c. Kusintha kwapakatikati: Sizingatheke kutsegula ndi kutseka ma breaka afupipafupi.
SF6 insulating gasi ndi gasi wopanda mtundu, wopanda fungo, wopanda poizoni, wosayaka, ndipo uli ndi zida zabwino kwambiri zotchingira magetsi komanso kuzimitsa kwa arc, kachulukidwe kake ndi kuwirikiza ka 5 kuposa mpweya, ndipo sikophweka kutsika.
2, Cholumikizira cholumikizira pamzere
Column kudzipatula switch, yomwe imadziwikanso kuti kudzipatula mpeni chipata, ndi mtundu wa zida zowongolera popanda chipangizo chozimitsa cha arc, ntchito yake yayikulu ndikupatula magetsi kuti atsimikizire chitetezo cha kukonza zida zina zamagetsi, kotero sikuloledwa kugwira ntchito ndi katundu. . Komabe, pansi pazifukwa zina, amaloledwa kulumikiza kapena kulumikiza mabwalo ang'onoang'ono amagetsi. Ndi chimodzi mwa zida zamagetsi zomwe zimagwiritsidwa ntchito mobwerezabwereza pakati pa ma switch amphamvu kwambiri.
Chophimba chodzipatula chamzere chingagwiritsidwe ntchito pokonza zida zozimitsa, kufufuza zolakwika, kuyesa chingwe, kumanganso njira yogwirira ntchito, ndi zina zotero, kukoka tsegulani chosinthira chodzipatula kungapangitse kufunikira kwa zida zokonza ndi kudzipatula kwa mzere wina, kukhazikitsidwa kwa odalirika kutchinjiriza kusiyana, kupereka ndodo Tingaone zoonekeratu kusagwirizana chizindikiro, kuonetsetsa kuti chitetezo cha yokonza kapena ntchito mayeso. Ubwino wa zolumikizira zokhala ndi mizere ndizotsika mtengo, zosavuta komanso zolimba. Nthawi zambiri amagwiritsidwa ntchito ngati chosinthira malire chaufulu wa katundu wa mzere wamlengalenga ndi wogwiritsa ntchito, komanso ngati chosinthira cholumikizira chingwe cha chingwe ndi mzere wapamwamba, ndipo chimatha kukhazikitsidwanso mbali imodzi kapena mbali zonse ziwiri za mzere wolumikizana ndi mzere. sinthani kuti mutsogolere kupeza zolakwika, kuyezetsa chingwe ndi kukonza kuti mulowe m'malo mwa cholumikizira cholumikizira, ndi zina zambiri. Chosinthira cholumikizira sichinganyamule katundu wovoteledwa kapena kugwiritsidwa ntchito ngati chosinthira chodzipatula.
Kusinthana kochotsa sikungathe kuyendetsedwa ndi katundu wovotera kapena katundu wamkulu, ndipo sikungathe kugawanitsa ndi kutseka katundu wamakono ndi wafupipafupi. Nthawi zambiri, panthawi yogwiritsira ntchito magetsi, chosinthira chotsegula chimatsekedwa poyamba, ndikutsatiridwa ndi chowotcha dera kapena kusinthana katundu; pakugwira ntchito kwamagetsi, chowotcha dera kapena chosinthira chonyamula chimachotsedwa kaye kenako chosinthira cholumikizira.
Chosinthira chodulira chimatha kunyamula modalirika ntchito yomwe ikugwira ntchito komanso yanthawi yayitali, koma siyingathyole katunduyo. Ikhoza kutsegula ndi kutseka thiransifoma yosatulutsidwa ndi mphamvu yosangalatsa yosapitirira 2A ndi mzere wotsitsidwa ndi mphamvu yapano yosapitirira 5A. Nthawi zambiri, kukhazikika kwamphamvu kwa switch yolumikizira sikudutsa 40kA, ndipo chidwi chiyenera kuperekedwa pakuwongolera posankha chosinthira cholumikizira. Moyo wogwira ntchito wa disconnectors ndi pafupifupi 2000 mikombero.
3, Kusinthana kwa magawo
Chophimba chamzere ndi chida chosavuta chozimitsa cha arc, chitha kunyamulidwa ndikuwongolera zida zamagetsi kuti zigawike ndikutseka dera. Ikhoza kudula katundu wina wamakono ndi wodzaza panopa, koma sichingadutse magetsi afupikitsa, ndipo iyenera kugwiritsidwa ntchito motsatizana ndi fuse yothamanga kwambiri kuti idutse magetsi afupiafupi mothandizidwa ndi fuse.
Load switch ndi mtundu wa zida zosinthira pakati pa cholumikizira cholumikizira ndi chophwanyira dera, chomwe chimagwiritsidwa ntchito pogawa mizere ndi kudzipatula kwa zolakwika.
Pali zosinthira zotulutsa mpweya, vacuum ndi SF6 load switch. Kusintha kwa katundu wopangidwa ndi gasi ndiko kugwiritsa ntchito zinthu zolimba zopangira mpweya wopangidwa ndi slits mu arc pansi pa zochita za kuchuluka kwa mpweya kuti apange mpweya wowomba mpweya, chifukwa cha mawonekedwe ake osavuta, otsika mtengo ndipo nthawi ina amagwiritsidwa ntchito kwambiri. Vacuum, SF6 katundu lophimba ndi zingalowe, SF6 dera wosweka mawonekedwe, magawo ofanana, kusiyana ndi kuti katundu lophimba alibe okonzeka ndi chitetezo CT, sangathe kutsegula yochepa dera panopa, koma kupirira yochepa dera panopa, kutseka wanthawi yayitali, wokhala ndi moyo wautali wautumiki, mawonekedwe osasamalira, moyo wamakina, ovotera kutsegulira kwapano ndi kutseka nthawi zopitilira 10,000, zoyenera kugwira ntchito pafupipafupi.
Chosinthira cholozera pagawo chomwe chimagwiritsidwa ntchito nthawi zambiri chimagwiritsidwa ntchito posinthana ndi vacuum load switch. Vacuum load switch imatenga chozimitsa cha vacuum arc, SF6 kutchinjiriza, magawo atatu wamba bokosi mtundu, VSP5 electromagnetic kapena kasupe opangira makina, thiransifoma yamakono imatha kumangidwa, chingwe kapena potulutsira ma terminal, imatha kumangidwa modzipatula, kupachikidwa kapena kukhazikitsa. . Monga momwe chithunzi chili pansipa:
Kuwonjezera ntchito ndime SF6 katundu lophimba madzi ochepa. SF6 katundu switch ndi SF6 arc kuzimitsa, SF6 kutchinjiriza, magawo atatu wamba bokosi mtundu, thiransifoma panopa akhoza anamanga-in, chingwe kapena terminal kubwereketsa, kunja akhoza okonzeka ndi kusankha kudzipatula chipangizo, kupachikidwa kapena kukhala mtundu unsembe.
4, Wophwanya dera la Column
Circuit breaker ndi chipangizo chosinthira chomwe chimatha kutseka, kunyamula ndikutsegula pakali pano m'malo ozungulira bwino ndipo chimatha kutseka, kunyamula ndikutsegula zomwe zikuchitika mkati mwanthawi yodziwika bwino. Circuit breaker angagwiritsidwe ntchito kugawa mphamvu, infrequently kuyambitsa ma asynchronous motors, mizere yamagetsi ndi ma motors, etc. kuti agwiritse ntchito chitetezo, zikachitika zochulukirachulukira kapena zazifupi komanso zocheperako komanso zolakwika zina zimatha kudula dera, ntchito ndi yofanana ndi masiwichi amtundu wa fuse komanso kuphatikiza kwa ma relay opitilira ndi otsika ndi zina zotero.
Column circuit breaker ndi chowotcha chigawo chomwe chimayikidwa ndikuyendetsedwa pamtengo, chomwe chimadziwika kuti "watchdog", ndi mtundu wa zida zosinthira zomwe zimatha kudula kapena kulumikiza chingwecho nthawi zonse, ndikusintha mzere wolakwika pamanja kapena zokha kudzera pagulu. ntchito kapena ntchito ya chipangizo chotetezera pamene chingwecho ndi chachifupi komanso cholakwika. Kusiyana kwakukulu pakati pa owononga dera ndi ma switch switch ndikuti obowola atha kugwiritsidwa ntchito kuti atsegule pakali pano. Column circuit breaker imagwiritsidwa ntchito makamaka pakugawa magawo anthawi yogawa, kuwongolera, kuteteza, kutsegulira ndikutseka kwakanthawi kochepa.
Chowotcha chamagulu malinga ndi sing'anga yozimitsa ya arc yomwe imagwiritsidwa ntchito, imatha kugawidwa m'magawo oyendetsa mafuta (kuchotsa koyambira), sulfur hexafluoride (SF6) ophwanya ma circuit breakers, vacuum circuit breakers.
Ntchito yoyambira yogawa maukonde pogwiritsa ntchito sulfure hexafluoride (SF6) zowononga madera ndi zotchingira zotumphukira ndizochulukirapo, ndipo tsopano mizere yogawa mu chophwanyira dera imagwiritsidwa ntchito kwambiri panja panja pa AC high-voltage vacuum circuit breakers, anzeru akuvumbulutsira dera ophwanya ndi kuzindikira zolakwika. ntchito, chitetezo ndi kuwongolera ntchito ndi ntchito zolumikizirana. Nthawi zambiri imayikidwa pamlingo wa 10kV pamwamba pamizere yoyika malire, imatha kuzindikira kuyambiranso, kukhazikika kwa gawo limodzi komanso kudzipatula kwanthawi yayitali, ndiye chinthu choyenera pakumanganso mizere ndikugawa makina opangira makina.
Intelligent vacuum circuit breaker imatha kuyendetsedwa pamanja, pamagetsi, ndi chiwongolero chakutali komanso ndi olandila kutali. Wowononga dera amakhala ndi magawo atatu: thupi, makina ogwiritsira ntchito ndi chowongolera (kusintha kwakudzipatula kumatha kumangidwa). Wowononga dera akhoza kukhala ndi CT (protection current transformer), ZCT (zero sequence current transformer), u (voltage transformer) monga chowunikira cha woyang'anira malinga ndi zosowa.
Chowotcha chamagetsi cha vacuum malinga ndi mtheradi wotsekemera chimakhala ndi SF6 insulated vacuum circuit breaker ndi air insulated vacuum circuit breaker. SF6 insulated vacuum circuit breaker imatenga vacuum interrupter, SF6 kutchinjiriza, magawo atatu wamba mtundu wa bokosi, imatengera makina opangira masika, thiransifoma yamakono imatha kumangidwa, chingwe kapena terminal kuchokera pamzere, chipangizo chakunja chodzipatula, kupachika kapena kukhala. mtundu unsembe. Air-insulated vacuum circuit breaker imatenga chozimitsa cha arc, kutsekereza mpweya, mtundu wa magawo atatu olimba-osindikizidwa, kutengera makina ogwiritsira ntchito masika kapena maginito okhazikika, thiransifoma yamakono imatha kumangidwa, chingwe kapena potulutsira, chipangizo chakunja chodzipatula. , atakhala mtundu unsembe.
5, Fuse-mu
Fuse yomwe ikugwa yomwe imadziwika kuti Link, ndi mzere wa 10kV wogawa nthambi ndi thiransifoma yogawa yomwe imagwiritsidwa ntchito kwambiri ndi chosinthira chachifupi chachitetezo. Lili ndi chuma, chosavuta kugwiritsa ntchito, chogwirizana ndi chilengedwe chakunja ndi makhalidwe ena, chimagwiritsidwa ntchito kwambiri m'mizere yogawa 10kV ndi zosinthira zogawa monga mbali yoyamba ya chitetezo ndi zida zoponyera, kudula ntchito.
Dontho fuyusi anaika mu 10kV yogawa mzere nthambi nthambi, akhoza kuchepetsa kukula kwa magetsi, chifukwa ali mkulu-voteji dontho fyuzi zoonekeratu kulumikiza mfundo, ndi ntchito ya kudzipatula lophimba, kwa gawo kukonza mzere ndi zipangizo kulenga. malo ogwirira ntchito otetezeka, onjezerani chitetezo cha ogwira ntchito yokonza. Kuikidwa pa thiransifoma yogawa, ingagwiritsidwe ntchito ngati chitetezo chachikulu cha thiransifoma yogawa, kotero yakhala ikudziwika mu mizere yogawa 10kV ndi zogawa zogawa.
Fuseyi ikhoza kukhazikitsidwa pambali ya mphamvu ya chosinthira katundu kapena mbali yoyendetsedwa ndi chosinthira katundu. Ngati sikofunikira kugwetsa fuseji pafupipafupi, ndikofunikira kutengera dongosolo lakale kuti mugwiritse ntchito chosinthira chojambulira ngati cholumikizira cholumikizira, ndikuchigwiritsa ntchito kulekanitsa voteji yomwe yawonjezeredwa ku fuse yomwe imachepetsa.
Mapangidwe a fusesi yomwe ikugwa imakhala ndi insulator, mpando wothandizira wotsika, kukhudzana kwapansi, kukhudzana ndi malo otsika, kukwera mbale, kukhudzana kwapamwamba, duckbill, kumtunda kwapamwamba, fuse chubu ndi zina zotero.
6. Kusiyana kwa masiwichi a magawo
Kusiyana kwakukulu kuli motere:
Cholumikizira cholumikizira chilibe chida chozimitsa cha arc, chifukwa chake chimangoyenera kudula magetsiwo popanda katundu, ndipo sichingadutse katundu wapano komanso wanthawi yayitali, kotero kuti cholumikizira cholumikizira chimatha kuyendetsedwa mosatekeseka ndi momwe zilili. za kutsekedwa kwa chitetezo cha dera, ndipo ndizoletsedwa kugwira ntchito ndi katundu, kuti asapangitse ngozi ya chitetezo.
Katundu lophimba chifukwa cha arc kuzimitsa chipangizo, ndi ena arc kuzimitsa luso, koma osati amphamvu monga dera wosweka arc kuzimitsa luso, iye akhoza kugawa yachibadwa ntchito panopa, dera lalifupi, iye akhoza mwakachetechete kupirira yochepa dera panopa, ngati nthawiyi pamanja kapena magetsi oyenda pagalimoto akhoza kuphulika, kotero lophimba katundu zambiri ntchito ndi fuse yochepetsera panopa (lophimba lophimba + fuyusi si muyezo kasinthidwe, komanso sangathe kugwiritsidwa ntchito ndi fusesi) Ngati mochulukirachulukira. kapena short-circuit dera likuphwanyidwa ndi fusesi. Kuti mupulumutse mtengo, switch switch + fuse ingagwiritsidwe ntchito m'malo mwa ophwanya dera.
Wowononga dera ali ndi mphamvu yozimitsa ya arc, ndipo amatha kugwira ntchito yanthawi zonse komanso vuto lapano. Ntchito yachitetezo cha wophwanyira dera imazindikirika ndi chipangizo chachitetezo cha relay. Magetsi othamanga kwambiri alibe zida zamagetsi otsika kwambiri monga kutulutsa matenthedwe, kutulutsa maginito, kutulutsa kwamagetsi, ndi zina zambiri. breaker imangophwanya molingana ndi malangizo a chitetezo cha relay. Zosintha zonyamula katundu ndi mipeni yodula sizifunikiranso kupereka malamulo kwa iwo pamene mzere uli ndi vuto chifukwa sangathe kuthyola vutolo. Chowotcha chozungulira ndi chosinthira chokhala ndi mphamvu yozimitsa kwambiri ya arc ndipo chiyenera kugwiritsidwa ntchito molumikizana ndi chipangizo chotetezera cholumikizira.
Mwa Titha kunena motere:
Kuchotsa lophimba - akhoza kokha kutsegula ndi kulumikiza dongosolo palibe katundu panopa, ndipo monga waukulu mawaya dongosolo zoonekeratu kuleka mfundo, mu ndondomeko yokonza monga dongosolo zoonekeratu kumasuka mfundo. Ambiri ntchito zitsanzo: GW9, HGW9, GW4, GW5, etc.
Kusinthana kwa katundu - kumatha kutsegula ndi kutseka dongosolo lomwe lili ndi katundu wamba, koma silingathetse vuto la dongosolo. Zomwe zimagwiritsidwa ntchito nthawi zambiri: FZW32
Circuit breaker - Itha kutsegulira ndi kutseka zomwe zili mkati mwadongosolo, komanso imatha kutsegula ndi kutseka cholakwika ndi dongosolo lalifupi la dongosolo. Ambiri ntchito zitsanzo: ZW32, ZW20, ZW7, ZW8, LW3, etc.
