Ma switchgear otsika ndi apakati-voltage amagwira ntchito zosiyanasiyana pamagawo ogawa mphamvu, kotero ogula sayenera kusankha pakati pawo ngati kuti ndi makulidwe ena a kabati. Zida zapakati-voltage zimalandira, kusintha ndi kuteteza mphamvu yogawa isanakwane thiransifoma yotsika kapena pa node ya MV network. Zida zotsika mphamvu zimagawira mphamvu pambuyo posinthidwa kupita ku ma feeder otsika, ma mota, nyumba, ma charger kapena katundu wina. Kusankhidwa koyenera kumatsatira chithunzi cha mzere umodzi, mphamvu yamagetsi yodziwika komanso yapamwamba kwambiri, mulingo wolakwika, kuyika pansi, nzeru zachitetezo, ndandanda yonyamula katundu, makonzedwe a thiransifoma, mawonekedwe a chingwe, chilengedwe ndi muyezo woyenera. Ntchito zambiri zimafuna zonse ziwiri. Ntchito yogula ndikutanthauzira malire amagetsi a msonkhano uliwonse ndi umboni - osati kusankha ngati LV kapena MV ndi "bwino."
Kodi Pali Kusiyana Kotani Pakati pa LV ndi MV Switchgear?
Low-voltage switchgear imayendetsa mabwalo kumbali yotsika yamagetsi yamagetsi ogawa. Ntchito zake zingaphatikizepo opeza ndalama, magawo amabasi, zoperekera zakudya, kuwongolera magalimoto, kuwerengera ndi chitetezo. Switchgear yapakati-voltage imagwira ntchito pagawo lothandizira kapena gawo logawa-voltage ndipo imatha kulandira ndikugawa ma feed, ma transfoma kapena kukhala gawo la mphete kapena ma radial network.
Mawu akuti terminology ayenera kutsatira mphamvu ya polojekitiyo komanso muyezo. Chizindikiro chotsatsa sichikwanira. Chojambula chamzere umodzi chikuyenera kuzindikiritsa mphamvu yamagetsi pa basi iliyonse ndi chida chilichonse, pomwe zida zimanena zomwe zikuyenera kugwiritsidwa ntchito komanso mavoti.
Yambani ndi Chithunzi cha Mzere Umodzi ndi Malo Osinthira
Pezani malo ogwiritsira ntchito, chodyera cha MV cholowera, MV switchgear, transformer, msonkhano waukulu wa LV ndi katundu wapansi. Ngati polojekiti ilandira magetsi apakati ndikuisintha pamalopo, nthawi zambiri imafunika kusintha / kutetezedwa kwa MV patsogolo pa thiransifoma ndi kugawa kwa LV pambuyo pake. Malo ang'onoang'ono omwe amaperekedwa mwachindunji pamagetsi otsika angafunike phukusi la LV.
Osagula pa mndandanda wa katundu wokha. SLD iyenera kuwonetsa magwero abwinobwino komanso amtundu wina, zolumikizira mabasi, ma thiransifoma, ma jenereta kapena maulumikizidwe ongowonjezera, kusalowerera ndale komanso kuyika pansi, malo owerengera ndi malire odzipatula.
Ndi Zinthu Ziti Zomwe Ogula Ayenera Kuzifananitsa?
| Zosintha Zosankha | Ndemanga ya Low-Voltge | Kuwunika kwapakati-Voltge | Umboni Wogula |
| Udindo wadongosolo | Pambuyo pa thiransifoma, pafupi ndi katundu | Pamaso pa thiransifoma kapena pa MV mfundo | SLD yovomerezeka |
| Mphamvu yamagetsi | LV basi ndi magetsi ogwiritsira ntchito | Mwadzina komanso wapamwamba kwambiri wa MV system | Zothandizira / polojekiti |
| Ntchito yolakwika | Oyembekezera LV wanthawi yayitali | MV kwakanthawi kochepa komanso kopitilira muyeso kupirira ntchito | Kuphunzira zolakwika |
| Chitetezo | Kulumikizana kwa ophwanya / feeder | Relay, CT/VT ndi breaker/switch filosofi | Maphunziro a chitetezo |
| Kukonzekera kwa basi | Olowa, magawo, odyetsa, MCC | Radial, mphete, gawo la mabasi ndi transformer feeder | SLD ndi ndondomeko ya feeder |
| Chingwe mawonekedwe | Kukula kwa LV, kulowa ndi malo omaliza | Mtundu wa chingwe cha MV, kuyimitsa ndi kuyesa kupeza | Ndondomeko ya chingwe/zojambula |
| Chilengedwe | Chipinda, mpweya wabwino, IP ndi mwayi | M'nyumba / kunja, kutalika, kuipitsidwa ndi kuwongolera zoopsa za arc | Zambiri zatsamba |
| Standard | Gawo la IEC 61439 kapena lamulo la polojekiti | Gawo la IEC 62271 kapena lamulo la polojekiti | Ndondomeko yotsatirira |
Chifukwa chiyani Voltage ndi Fault Level Zisankho Zosiyana?
Mphamvu yamagetsi yadzina imazindikiritsa gulu ladongosolo, koma silimatanthawuza kuchuluka kwa switchgear. Ogula akuyeneranso kupereka pafupipafupi, zofunikira zotsekera, zomwe zikuyembekezeka kukhala zazifupi, nthawi yolakwika ndi dongosolo loyambira. Ma projekiti awiri pamagetsi omwewo angafunike zida zosiyanasiyana chifukwa mphamvu zama netiweki ndi nthawi yochotsa chitetezo zimasiyana.
Osapempha ogulitsa kuti awononge ntchito yolakwika kuchokera ku transformer kVA yokha. Kulepheretsa kwa chingwe, magwero ofanana, kusokoneza kwa thiransifoma ndi zopereka zapaintaneti zamtunda zitha kusintha zotsatira. Gwiritsani ntchito kafukufuku wolakwika wa polojekiti kapena maziko omveka bwino opangira.
Kodi Mafilosofi a Chitetezo ndi Kuwongolera Amasiyana Bwanji?
Misonkhano ya LV nthawi zambiri imagwirizanitsa operekera ndalama ndi odyetsa madera, chitetezo cha magalimoto, metering ndi kuwongolera. Makina a MV nthawi zambiri amafunikira ma relay achitetezo, zosinthira zamakono ndi ma voltage, zolumikizirana, mabwalo aulendo, ma siginecha akutali ndikulumikizana ndi zida kapena chitetezo cha thiransifoma.
Kusiyanitsa sikungokhala kuti MV ili ndi "chitetezo chochulukirapo." Dongosolo lililonse limateteza zida zosiyanasiyana ndi madera olakwika. Wogula akuyenera kupereka ntchito zoteteza, zofunikira za CT/VT, malo olumikizirana, magetsi owongolera ndi malingaliro aulendo. Zojambula za ogulitsa ziyenera kuwonetsa momwe ntchitozo zimagwiritsidwira ntchito.
Kodi Ntchito Imafunika Liti LV ndi MV Switchgear?
Fakitale, malo opangira ma charger, zovuta zamalonda kapena ma microgrid omwe amalandira magetsi apakati komanso kugawa magetsi otsika nthawi zambiri amafunikira unyolo wophatikizika: kulandira / kugawa kwa MV, thiransifoma ndi kugawa kwakukulu kwa LV. Maphukusi atha kuperekedwa ndi gulu limodzi kapena angapo, koma mawonekedwe awo ayenera kukhala owuma.
Malo olumikizirana ofunikira amaphatikiza chingwe cha thiransifoma kapena kulumikizana kwa basi, kulumikizana kwachitetezo, umwini wa mita, mphamvu zothandizira, ma siginecha owongolera, kuyika pansi ndikuyika udindo. Kugula phukusi lililonse padera popanda mawonekedwe a mawonekedwe kumatha kupanga mipata ngakhale nduna iliyonse ikatsatira.
Kodi Kusiyanitsa Pakati pa Switchgear ndi Switchboard ndi Chiyani?
Mawuwa nthawi zina amagwiritsidwa ntchito mosiyana ndi zigawo ndi opanga. Ogula apewe kusankha ndi zilembo. Tanthauzirani kamangidwe ka msonkhano, kulekanitsa, mtundu wa chipangizo chotetezera, kupeza, kusamalidwa, zofunikira zamkati-arc ngati kuli koyenera, kuwerengera mabasi, kuwerengera kwafupipafupi ndi kayendetsedwe ka kayendetsedwe kake.
Ngati mawu akugwiritsa ntchito mawu onsewa, funsani zolemba za terminology ndi dongosolo la zida. Dzina lamalonda siliyenera kupitirira ntchito zamagetsi zomwe zikuwonetsedwa pa SLD.
Ndi Miyezo Iti Yomwe Ogula Ayenera Kuyika mu RFQ?
Pamisonkhano yocheperako yamagetsi yocheperako komanso ma controlgear, ogula nthawi zambiri amawunika magawo omwe akugwiritsidwa ntchito pagulu la IEC 61439. Switchgear yachitsulo-yapakati-voltage-yotsekeredwa nthawi zambiri imayankhidwa kudzera mu zofunikira za IEC 62271. Gawo lenileni, kusindikiza, kukhazikitsidwa kwa m'deralo ndi kusintha kwa polojekiti ziyenera kufotokozedwa.
Osagwiritsa ntchito IEC 60439-1 ngati chiwongolero chaposachedwa chifukwa chikuwoneka pamafotokozedwe akale azinthu; yasinthidwa ndi IEC 61439 chimango. Woperekayo ayenera kubweza chiganizo kapena ndondomeko yotsatirira yomwe ikuwonetsa zolakwika. Miyezo ya dziko ikhoza kuphatikizidwa komwe polojekiti ikufuna, koma sayenera kulowetsa mwakachetechete zomwe wogula amalamulira.
Kodi Ogula Ayenera Kuyesa Bwanji MNS Low-Voltage Switchgear?
The Dingsheng zida zamagetsi gulu kumaphatikizapo kugawa kwa LV, malo osinthira ndi zinthu zopangidwa kale. Kwa projekiti yotsika-voltage, the Msonkhano wa MNS low-voltage switchgear Tsamba limakhazikitsa banja lamtundu wa ma modular omwe amapangidwa kuti azigawa magetsi otsika komanso ntchito zowongolera ma motor, ndi masinthidwe osankhidwa mozungulira ma feed a projekiti ndi zigawo zake.
Tsambali silimatanthawuza msonkhano wathunthu wa polojekiti. Ogula akuyenerabe kupereka ma voltage, mabasi apano, kuchuluka kwa zolakwika, ndondomeko yopezera ndalama ndi feeder, chitetezo, mita, njira yolekanitsa, kulowetsa chingwe, mpanda, miyeso ndi zikalata. Zolemba zake zomwe zili pansi pa 4000 A ndi malire abanja, osati kutsimikizira kuti nduna iliyonse yomwe yatchulidwa ili ndi 4000 A.
Kodi Zida Zapakati-Voltge Zikuyenera Kuwunikidwa Bwanji?
Tsamba la Dingsheng la XGW-12 limafotokoza za banja lakunja lamtundu wa bokosi lomwe limagwiritsidwa ntchito polandila ndi kugawa mphamvu zapakati-voltage, kuphatikiza ma ring-network ndi ma transfoma-feeder. Izi zimathandizira kumvetsetsa mbali ya MV.
Pazopereka zenizeni za MV, tsimikizirani voliyumu yovoteledwa, mulingo wa insulation, wanthawi zonse, kupirira kwakanthawi kochepa, chipangizo chosinthira, chitetezo cholumikizira, CT/VT, chofunikira chamkati-arc, zotsekera, zotsekera pansi, kutha kwa chingwe, chithandizo chothandizira, mpanda ndi umboni woyesa. Osasinthiratu mavoti kuchokera kubanja limodzi la MV kupita ku lina.
Ndi Umboni Wotani Uyenera Kuthandizira Kuvomerezedwa Kwaukadaulo?
Funsani SLD yovomerezeka, makonzedwe anthawi zonse, ndondomeko ya feeder, miyeso ya mabasi ndi zida, mndandanda wa zigawo, zojambula zamawaya, chitetezo ndi ndondomeko ya mita, zambiri zolowera chingwe, makonzedwe a nthaka ndi matrix ogwirizana. Wogula akuyenera kutsimikizira kuti zolembedwa zonse zikugwirizana ndi kusinthidwa komweko komanso zida zofananira.
Fotokozerani kutsimikizira kwapangidwe, kutsimikizira kwanthawi zonse, FAT ndi mayeso atsamba malinga ndi zomwe amalamulira. Satifiketi kapena katatalogu sizilowa m'malo mwazojambula zenizeni. Zopotoka ziyenera kukhala zotseguka mpaka zitavomerezedwa ndi mainjiniya omwe ali ndi udindo.
Ndi Zolakwa Zotani Zomwe Zimasankha Zomwe Zimayambitsa Chiwopsezo?
- Kusankha ndi dzina lamagetsi okha: ntchito yolakwika ndi chitetezo sichinafotokozedwe.
- Kunyalanyaza malo a transformer: Malire a phukusi la MV ndi LV sadziwika bwino.
- Kugwiritsa ntchito "switchboard" ndi "switchgear" mosinthana: zomanga ndi kuyesa ziyembekezo zimasiyana.
- Kuchokera ku SLD yosamalizidwa: chiwerengero cha feeder ndi mavoti amasintha pambuyo poyambira.
- Kugwiritsa ntchito zolembera zachikale kapena zosakwanira: ogulitsa amagula mitundu yosiyanasiyana yotsimikizira.
- Kuyerekeza mitengo ya kabati: zigawo, chitetezo, metering ndi zikalata si normalized.
Kodi LV/MV Switchgear RFQ Iyenera Kuphatikizira Chiyani?
- SLD ndi filosofi yogwiritsira ntchito dongosolo
- Mwadzina / voteji yapamwamba kwambiri komanso pafupipafupi
- Data yochokera ndi thiransifoma
- Mavoti a mabasi ndi odyetsa
- Kulakwitsa kwa msinkhu ndi nthawi
- Dongosolo la Earthing
- Chitetezo, metering ndi mauthenga
- Ndondomeko yolowera, coupler ndi feeder
- Zokonda pagawo
- Kulowa kwa chingwe ndikuyimitsa
- Malo amkati/kunja
- Pansi, kupatukana ndi arc zofunika
- Miyezo ndi makope oyenera
- Zojambula, kutsimikizira ndi FAT
- Malire oyika/kutumiza
- Kuchuluka, kopita ndi ndandanda
Tumizani zikalata za polojekiti kudzera pa Fomu yofunsira ntchito ya Dingsheng switchgear ndipo zimafunika Kutsimikizira, Kupatuka, Njira Zina kapena Zolowera Zogula Zofunikira pagawo lililonse lazinthu.
Mafunso Ofunsidwa Kawirikawiri
Kodi switchgear yapakati-voltage nthawi zonse imakwera pa LV switchgear?
Munjira yotsikira pamalopo, inde, koma pulojekiti ya SLD ndi kulumikizana kwazinthu kumatanthauzira makonzedwe enieni.
Kodi nduna ya MNS ingasinthe ma switchgear apakati-voltage?
No. MNS ndi banja la otsika-voltage ndipo silingalowe m'malo mwa zida zomwe zimafunikira pa sing'anga-voltage network point.
Kodi mabasi apamwamba amapangitsa LV switchgear kukhala yoyenera MV?
Ayi. Chiwerengero chamakono ndi kalasi yamagetsi ndizosiyana. Zofunikira za insulation, kusintha, chitetezo ndi kuyesa zimasiyana.
Kodi ogula ayenera kuzizira chiyani poyamba?
Mangitsani SLD, voliyumu, gwero / chosinthira data, mulingo wolakwika, kuyika pansi, nzeru zachitetezo ndi ndondomeko ya feeder isanachitike uinjiniya wa zida zomaliza.
