1, Gabatarwa
Kasuwar canji wani nau'in kayan aikin lantarki ne.Layukan waje na majalisar sauyawa sun shiga babban maɓallin sarrafawa a cikin majalisar da farko, sannan shigar da maɓallin sarrafawa.Kowane reshe an saita shi gwargwadon bukatunsa.Misali, kayan aiki, sarrafawa ta atomatik, injin maganadisu na maganadisu, masu tuntuɓar AC iri-iri, da sauransu. Wasu kuma suna da sanye take da ɗaki mai ƙarfi da ƙaramin ƙarfin wutan lantarki, manyan motocin bas masu ƙarfin wuta, kamar na'urorin lantarki, da sauransu, da wasu. Hakanan an sanye su da ƙananan kayan aikin sake zagayowar don manyan kayan aiki.
The canji majalisar yana da ayyuka na sama mai shigowa da mai fita Lines, na USB mai shigowa da mai fita Lines, bas connection, da dai sauransu An yafi zartar da wurare daban-daban kamar wutar lantarki, substations, petrochemical, metallurgical karfe mirgina, haske masana'antu da yadi, masana'antu. da kamfanonin hakar ma'adinai, wuraren zama, manyan gine-gine, da dai sauransu.
2. Samfurin samfurin
The switchgear zai hadu da dacewa bukatun na "Standard for AC Metal Enclosed Switchgear", wanda ya ƙunshi manyan sassa biyu: majalisar ministocin da da'ira breaker.Jikin majalisar ya ƙunshi harsashi, kayan aikin lantarki (ciki har da sassa masu rufewa), na'urori daban-daban, tashoshi na sakandare da wayoyi.
KYN jerin matsakaicin matsakaicin ƙarfin wutar lantarki shine sabon ƙarni na kayan aiki da ƙungiyar JONCHN ta ƙera bisa ga yanayin ƙasar Sin bisa tushen ƙaddamar da fasahar zamani daga Areva.
1, KYN 12/15 Matsakaici irin ƙarfin lantarki iska canza rufi majalisar
Mahimman sigogi da manyan alamun aikin fasaha na ma'aikatun canji (Table 1)
| Abu | Naúrar | Siga | ||
| Kayan samfur |
| KYN12 | KYN15 | |
| Ƙarfin wutar lantarki | kV | 12 | 15 | |
| Ƙididdigar mita | Hz | 50/60 | 50/60 | |
| Ƙididdigar mitar wutar lantarki ta jure ƙarfin lantarki 1 min | Mataki zuwa mataki, lokaci zuwa ƙasa | kV | 42 | 50 |
| Ware karaya | 48 | 60 | ||
| Ƙunƙarar walƙiya mai ƙima ta jure ƙarfin lantarki (1.2/50μs) | Mataki zuwa mataki, lokaci zuwa ƙasa | kV | 75 | 125 |
| Ware karaya | 85 | 145 | ||
| rated halin yanzu na babban bas | A | 1250/1600/2000/2500/3150/4000/5000 | 1250/1600/2000/2500 | |
| Ƙididdigar mai ciyarwa a halin yanzu | A | 630-3150/4000-5000 | 630-2500 | |
| Ƙididdigar ɗan gajeren lokaci jure halin yanzu | kA | 25(4S)/31.5(4S)/40(3S)/50(3S) | 16 (4s)/25(4s)/31.5(3s) | |
| Ƙimar kololuwar jure halin yanzu | kA | 63/80/100/125 | 40/63/80 | |
| Laifin baka na ciki | kA | 31.5 | 31.5 | |
| Matsayin kariya na kewaye |
| IP3X/IP4X | IP3X/IP4X | |
Yanayin amfani na yau da kullun
■ Yanayin zafin jiki: matsakaicin 40 ℃, matsakaicin 24h bai wuce 35 ℃ ba, mafi ƙarancin - 5 ℃.
■Tsawon da bai wuce 1000m ba
■Ba shakka ba a gurɓata iskar da ke kewaye da ƙura, hayaƙi, gurɓatacce da/ko iskar gas mai ƙonewa, tururi ko hazo na gishiri.
■Humidity: matsakaicin yanayin zafi na yau da kullun bai wuce kashi 95% ba, kuma matsakaicin yanayin zafi na kowane wata bai wuce 90%.Matsakaicin matsa lamba na tururin ruwa na yau da kullun ba zai zama ƙasa da 2.2kPa ba, kuma matsakaicin tururin ruwa na kowane wata bazai wuce 1.8kPa ba.
■ Ƙarfin girgizar ƙasa ba zai wuce digiri 8 ba.
Babban fasali
∎ An yi madaidaicin ma'ajin da aka yi da farantin karfe mai rufi na aluminium, tare da ƙirar ƙira, sassauƙa da haɗuwa mai dacewa da ƙarfi mai ƙarfi.
n An sanye shi da na'urar hana ruwa ta HVX tare da ci-gaban fasaha daga Areva.
∎ Na'urar da'ira ba ta da kyauta, kuma tsarin aikinta na iya zabar na'urar aikin bazara ko na'urar tuki na maganadisu.
■ Abubuwan da za a iya cirewa (cart ɗin hannu) suna tsakiyar, wanda ke buƙatar ƙarancin ƙasa.
■ Abubuwan da za a iya cirewa suna da kyakkyawar musanyawa.
∎ Ana iya aiwatar da duk ayyukan sauyawa lokacin da aka rufe panel, wanda ke sa mai aiki ya fi aminci.
∎ Cikakken haɗin kai na inji, mai sauƙi kuma abin dogara.
■ Za a iya haɗa igiyoyi masu ƙarfi daga gaban majalisar (yanayin wiring na gaba) ko kuma daga baya na ma'aunin wutar lantarki (yanayin na'ura na baya) ta cikin dakin da ake buƙata.Ana iya haɗa kowane lokaci tare da igiyoyi har zuwa 6.
∎ Dakin mai watsewar da'ira, dakin bas ɗin bas da ɗakin kebul suna sanye da na'urorin taimako mai zaman kansa na sama.
■ Ana iya shigar da shi a bango.
■ Babban juriya ga kuskuren baka na ciki.
■Yana iya gane ma'auni, sarrafawa da ayyukan kariya.
■Majalisar FC tana iya sanye take da CVX vacuum contactor handcart 3 tare da ci-gaba da fasaha daga Areva.
2, KYN61-40Matsakaici irin ƙarfin lantarki iska makaran switchgear
KYN61 sulke mai cirewa AC ƙarfe rufe switchgear ya dace da matakan AC SOHz mai ƙididdige ƙarfin lantarki na 40. 5kV bas guda ɗaya, da ƙarfe na cikin gida sulke cikakken switchgear da aka yi amfani da shi don karɓa da rarraba wutar lantarki a cikin tsarin bas guda ɗaya.
Sigar fasaha
| Halayen fasaha na switchgear | |
| rated irin ƙarfin lantarki (kV) | 40.5 |
| Matsayin rufi | |
| Wutar walƙiya tana jure wa ƙarfin lantarki 1.2/50 μs (ƙimar kololuwar) (kV) | 185 |
| Jurewar wutar lantarki (minti 1, ingantattun ƙima)(kV) | 95 |
| Short lokaci halin yanzu | |
| Ƙididdigar ɗan gajeren lokaci jure halin yanzu (3S, Ƙimar inganci) | 31.5 |
| Ƙimar kololuwar jure halin yanzu (ƙimar kololuwa) (kA) | 80 |
| Aiki na yanzu na babban bas (A) | 2500 |
| Matsayin kariya na kewaye | IP4X |
| Halayen lantarki na mai watsewar kewayawa | |
| rated halin yanzu (A) | 2500 |
| Rated short-circuit breaking current (kA) | 31.5 |
| rated short-circuit yin da'ira (kololuwar darajar) (kA) | 80 |
| rated breaking current of single capacitor bank (A) | 800 |
| Rayuwar wutar lantarki (Lokacin rufewa/ buɗewa) | 5000 |
Tsarin:
Bangaren bas
Ƙarfin wutar lantarki
Za'a iya shigar da mita da haɗin kai na kariya tare da babban wurin shigarwa.Tushen tashar yana ɗaukar samfuran Weidmuller.
Cable dakin
Farantin hatimin baya na ɗakin kebul ɗin na iya zama a kulle ta na inji da kuma na lantarki.
Matsakaicin igiyoyi guda 3 guda ɗaya a kowane lokaci (S ≤ 240mm2 / kebul)
Dakin kayan hannu
Tsarin ƙasa
3. Kariya biyar
1, Bayan injin kewaye mai watse trolley a cikin high-ƙarfin wutar lantarki canza hukuma an rufe a gwajin matsayi, da trolley kewaye watse ba zai iya shiga wurin aiki.(Hana rufe lodi)
2, Lokacin da grounding wuka a cikin high-ƙarfin wutar lantarki canza hukuma an rufe, da trolley kewaye breaker ba zai iya shiga wurin aiki domin rufewa.(Hana rufewa da waya ƙasa)
3. Lokacin da injin kewaye mai watse a cikin high-voltage switch cabinet an rufe, gaba da raya kofofin panel hukuma an kulle tare da majalisar kofa da inji a kan grounding wuka.(Hana shiga ɗakin zama cikin kuskure)
4, The injin kewaye watse a cikin high-ƙarfin wutar lantarki canza hukuma an rufe a lokacin aiki, da kuma grounding wuka ba za a iya rufe da kuma sa a cikin aiki.(Hana wutar lantarki da ƙasan waya)
5, The injin kewaye mai watse a cikin high-ƙarfin wutar lantarki canza hukuma ba zai iya fita aiki matsayi na trolley kewaye breaker lokacin da aka rufe domin aiki.(Hana birki mai ɗaukar nauyi)
Lokacin aikawa: Nov-03-2022