Impendulo eqondile: Ngaphambi kokuthi kuqale ubunjiniyela be-switchgear ene-voltage ephansi, abathengi kufanele bamise ukubuyekezwa okugunyaziwe kwe-SLD, imithombo engenayo, izigaba zamabhasi kanye ne-tie logic, i-feeder/load schedule, iphutha lamanje elikhona, ifilosofi yokuvikela, ama-metering nezindawo zokuxhumana, osayizi bekhebula nendlela yokungena, izimo zesayithi, namazinga asebenzayo wephrojekthi. Ubunjiniyela bomphakeli bungaphucula idizayini yesisetshenziswa kuphela ngemva kokuba lokhu okokufaka okuphethwe umthengi kulawulwa futhi izinguquko zokubukeza ziphethwe ngokusemthethweni.
Lokhu kubalulekile kosonkontileka be-EPC, abanikazi bemishini yezimboni, abaxhumanisi bakagesi, abasabalalisi, kanye namathimba okuthenga amaphrojekthi athenga ama-switchgear amafekthri, izinsiza, ingqalasizinda, ukushaja kwe-EV, noma amaphrojekthi kagesi. Ubungozi akuwona nje umdwebo ongaphelele. Uma i-SLD, ishejuli yokuphakelayo, idatha yomthombo, noma uxhumano lwekhebula luhlala lushintsha ngemva kokuqala kobunjiniyela, ukukhetha ama-breaker, ukuhlelwa kwebhasi, i-CT/metering scope, indawo yetheminali, ukuhlelwa kwekhabhinethi, imidwebo, kanye nobubanzi bezentengiso konke kungahamba nakho.
Izimpahla ze-Dingsheng izinto zikagesi zezicelo zephrojekthi, kuhlanganise yayo Ukuhlanganiswa kwe-switchgear ye-MNS low-voltage. Ngesiphakamiso esiqondene nephrojekthi ethile, okokusebenza kufanele kuxoxwe kuqhathaniswa nesisekelo sikagesi esivunyelwe umthengi kunomdwebo wokuqala womugqa owodwa osashintsha.
Ubani Umnikazi Wesibuyekezo Se-SLD Ngaphambi Kokuqala Kobunjiniyela Bomhlinzeki?
Iphuzu lokulawula lokuqala ukudonsa igunya. Umphakeli udinga ukwazi ukuthi yikuphi ukubuyekezwa kwe-SLD okugunyazwe ikhotheshini noma ubunjiniyela, ubani ongagunyaza izinguquko zobuchwepheshe, nokuthi izibuyekezo zizokhishwa kanjani kamuva. Ifayela elibizwa ngokuthi “i-SLD yokugcina” alanele uma omunye umxhumanisi, insiza, noma ithimba lesayithi lisengakwazi ukushintsha umthombo, okokuphakelayo, noma isisekelo sokuvikela ngaphandle kokulawula okusemthethweni kokubuyekeza.
Iphakheji eliwusizo lokukhishwa konjiniyela kufanele lihlonze inombolo yomdwebo we-SLD kanye nokubuyekezwa, idethi yokukhishwa nesimo sephrojekthi, umnikazi wedokhumenti nomgunyazi wobuchwepheshe, ukubuyekezwa okuhlobene kwesiphakeli/umthwalo wokulayisha, ukuqagela okuvulekile noma ukuxhumana okungaxazululiwe, kanye nenqubo yokukhipha izinguquko ngemva kokuqala kobunjiniyela.
Iphuzu lokuhlangenwe nakho komkhakha: Izinkinga eziningi zokulungisa kabusha i-switchgear ziqala ngoba umphakeli nomthengi bobabili basebenza ngemidwebo evumelekile—kodwa hhayi ukubuyekezwa okufanayo.
| I-Data-Freeze Into | Umthombo Olawulwa Umthengi | Kungani Ubunjiniyela Buncike Kubo | Ingozi Yokubuyekeza |
| I-SLD egunyaziwe | Iphakheji yokuklama kagesi yephrojekthi | Ichaza imithombo, amabhasi, othayi, okuphakelayo kanye ne-topology | Ushintsho lwe-topology sekwephuzile lungathinta lonke uhlelo. |
| Isheduli yokulayisha / yokuphakelayo | Uhlu lokulayishwa kukagesi noma uhlelo lokuphakelayo | Isekela imisebenzi yokuphakelayo, izindlela eziyisipele kanye nobubanzi besekethe ephumayo | Uhlu lokudweba nokulayisha lungahlukana uma lubuyekezwa ngokwehlukana. |
| Isisekelo sephutha | Ucwaningo lwesistimu noma okokufaka kwephrojekthi okugunyaziwe | Iyadingeka ekubuyekezeni okokusebenza nokuvikela | Inani elicatshangelwayo lingase lingavumelekile uma idatha yomthombo ishintsha. |
| Ishejuli yekhebula | Umklamo wekhebula lephrojekthi | Ilawula isibalo sokunqanyulwa, usayizi, isiqondiso nesikhala | Ukushintsha kwekhebula sekwephuzile kungaphoqelela ukuklama kabusha indawo ebiyelwe noma ukunqanyulwa. |
| Uhlu lokulawula / lokuxhumana | Ifilosofi yokulawula iphrojekthi noma ishejuli ye-I/O | Ichaza imitha, amasiginali akude namaphoyinti okuhlanganisa | Amaphoyinti angekho angadala izinguquko zenkambu. |
Imuphi Umthombo Ongenayo kanye Nedatha Yebhasi Okufanele Iqandwe?
I-SLD kufanele ibonise imithombo kagesi engenayo kanye nobudlelwano obuhlosiwe bokusebenza phakathi kwayo. Kumaphrojekthi anama-transformer, abahola imali, imithombo ekhiqizayo, izigaba zamabhasi, noma ama-tie breaker, umphakeli udinga i-topology nengqondo yokusebenza—hhayi kuphela inani labaholayo.
Umthengi kufanele achaze amandla kagesi wesistimu kanye nemvamisa, ukuhlelwa komhlaba, idatha yomthombo/i-transformer etholakalayo, inani lomtholi, izigaba zebhasi, uthayi noma ukuhlelwa kwebhasi, imodi evamile yokusebenza, nanoma iyiphi imfuneko yephrojekthi ethinta ukudluliswa komthombo noma ukukhiya.
Uma umthamo womthombo noma ilungiselelo le-transformer lihlala lingelesikhashana, umthengi kufanele amake njengento evuliwe kunokuvumela umphakeli ukuthi athathe inani lokugcina. Lokhu kwenza ubungozi bobunjiniyela bubonakale ngaphambi kokuthi kukhishwe imidwebo.
Iphuzu lokuhlangenwe nakho komkhakha: Ushintsho sekwephuzile ukusuka ebhasini elilodwa elijwayelekile ukuya kumabhasi ahlukaniswe izingxenye lungathinta ukusebenza kwama-breaker, izikhiya, izintambo zokulawula, izindawo zokulinganisa, ukulandelana kwamaphaneli, kanye nobubanzi bokuhlola.
Ngabe Ishejuli Yomthwalo Kufanele Iguqulwe Kanjani Ibe Ishejuli Yokuphakelayo?
Uhlu lomthwalo lutshela iphrojekthi ukuthi yini okufanele inikelwe; uhlelo lokuphakelayo lutshela umphakeli we-switchgear ukuthi yimaphi amasekhethi okufanele abe khona. Lawa madokhumenti kufanele aqondaniswe ngaphambi kokukhishwa konjiniyela.
Kumphakeli ngamunye ophumayo, umthengi kufanele achaze ireferensi yokulayisha noma yempahla ephansi, umsebenzi wokusebenza, isisekelo samanje sokuklama kusukela kuphrojekthi, ulwazi lwekhebula, izimfuneko zokuqala noma zokulawula lapho kufanele khona, ifilosofi yokuvikela, imfuneko yokulinganisa, izindawo ezikude/ukulawula, nokuthi ingabe isiphakeli sifakiwe, ikusasa, isipele, noma sibekiwe.
I-Dingsheng's Ikhabhinethi yokusabalalisa amandla e-XL omunye umkhiqizo kagesi kukhathalogi yamanje, kodwa iphrojekthi akufanele iphathe wonke amakhabethe okusabalalisa kanye neziphakeli ze-MNS switchgear njengento engashintshaniswa. Ukuhlanganiswa okudingekile, ukuvikelwa, ukulawula, kanye nesixhumi esibonakalayo sephrojekthi kufanele kuqinisekiswe kusukela kuhlelo lokusebenza lwangempela.
| Inkambu Yokuphakelayo | Okokufaka komthengi | Supplier Engineering Sebenzisa |
| I-ID Yomphakeli | Ireferensi yephrojekthi ehlukile | Igcina ukulandeleka phakathi kwe-SLD, ishejuli, imidwebo namarekhodi e-FAT. |
| Layisha/impahla yezansi nomfula | Injini, iphaneli, ishaja, umthwalo wenqubo noma omunye umsebenzi | Ivimbela incazelo ye-generic feeder ekuthatheni esikhundleni imfuneko yephrojekthi. |
| Dizayina isisekelo samanje | Isibalo sephrojekthi esigunyaziwe noma inani leshejuli | Isekela ingxenye kanye nokubuyekezwa komqhubi. |
| Ifilosofi yokuvikela | Imisebenzi edingekayo kanye nesisekelo sokuxhumanisa | Ichaza lokho okufanele kwenziwe kunokuthi kuthathwe njengokuzenzakalelayo. |
| Ulwazi lwekhebula | Usayizi, ubuningi, izinongo, ukunqanyulwa kanye nendlela yokungena | Ilawula isikhala sokunqanyulwa kanye nokubonakalayo okubonakalayo. |
| Isimo esisele / esizayo | Kufakiwe okuyisipele, isikhala kuphela, noma imfuneko yesekethe yesikhathi esizayo | Ivimbela ukungaqondakali kwezentengiso ngezindlela ezingasetshenzisiwe. |
Kungani Kufanele Iphutha Elitholakalayo Lamanje Liqinisekiswe Ngaphambi Kokukhethwa Kwe-breaker?
Isisekelo esikhona sephutha siwukufakwa kwephrojekthi okungafanele kuqanjwe umphakeli wezisetshenziswa. Uma ucwaningo lwesifunda esifushane lungaqediwe, umthengi kufanele asho inani lamanje eligunyaziwe noma isimo futhi akhombe ukuthi umnikazi wocwaningo lokugcina.
Ukuxhumanisa ukuvikela nakho kudinga umngcele wemfanelo ochaziwe. Unjiniyela wephrojekthi angaba umnikazi wocwaningo lokudidiyela nefilosofi yezilungiselelo, kuyilapho umphakeli we-switchgear ehlinzeka ngedatha yesisetshenziswa, amakhono edivayisi, nezilungiselelo ezihlongozwayo ukuze zibuyekezwe. Ukuhlukana okuqondile kuncike kwinkontileka, kodwa kufanele kubhalwe ngaphambi kokuthi ubunjiniyela buqale.
Iphuzu lokuhlangenwe nakho komkhakha: Ukuphatha izilungiselelo zokuvikela ama-breaker njengento ezenzakalelayo yasembonini kungadala umqondo ongamanga wokuqedwa. Izilungiselelo kufanele zilandele isisekelo esigunyaziwe sokuvikela nokuxhumana kwephrojekthi.
Imaphi Amaphuzu Emitha, i-CT/PT, Ukulawula kanye Nokuxhumana Okufanele Achazwe?
Ububanzi bemitha nokulawula kuvame ukuchazwa kancane kuma-SLD okuqala. Uphawu lwebreaker lungabonisa ukuthi isiphakeli sikhona kodwa hhayi esidinga idatha yamandla, othintana nabo besimo, imiyalo ekude yokuvala/evulekile, ama-alamu, ukuxhumana kwenethiwekhi, noma amasiginali e-CT/PT.
Umthengi kufanele ahlonze ukuthi yimaphi amaphuzu adingekayo ukuze kuboniswe indawo, ukulinganisa iphrojekthi lapho kufanele khona, ukuqapha izitshalo, ukuhlanganiswa kwe-PLC/DCS/BMS/EMS, ukusebenza kude, noma ukurekhodwa komcimbi. Iphrothokholi yokuxhumana, umngcele wobunikazi, nesixhumi esibonakalayo sesistimu yangaphandle kufanele kuthiwe njengezidingo zephrojekthi kunokuba kucatshangwe.
Lapho enye inhlangano efana nesiteshi esakhiwe ngaphambilini iyingxenye yephrojekthi, isixhumi esibonakalayo kufanele sihlanganiswe ne Isiteshi esincane se-YBM high-voltage/low-voltage prefabricated substation noma ezinye izinto ezisetshenziswa phezulu/ezansi nomfula ezikhethelwe iphrojekthi.
Ukungena Kwekhebula Nezimo Zesayithi Ziyishintsha Kanjani I-Physical Switchgear Layout?
Ukufakwa kwekhebula okokufaka komklamo ophathekayo, hhayi imininingwane okufanele inqunywe ngemva kokuqedwa kokuhlelwa. Ukungena okuphansi, ukungena okuphezulu, ukuhlelwa komsele wekhebula, inombolo nobukhulu bezintambo, indawo yokugoba, i-gland noma indlela yokuqeda, ukufinyelela emuva / ngaphambili, imvume yokugcinwa, kanye nomzila wokufakwa kwesayithi kungathinta ukuhlelwa kwekhabhinethi.
Izimo zesayithi nazo zidinga ukulawulwa. Umthengi kufanele ahlinzeke ngesimo sokufakwa kwangaphakathi/kwangaphandle, izimo ezizungezile nezemvelo ezidingwa iphrojekthi, imfuneko yendawo ebiyelwe, ukufinyelela kwegumbi, ukuphakama lapho kufanele khona, indawo yokufaka, ulwazi lwesisekelo/uphahla, nanoma iyiphi imfuneko yemvelo eqondene nephrojekthi.
Iphuzu lokuhlangenwe nakho komkhakha: Ushintsho lokungena kwekhebula lungaphazamisa kakhulu kunoshintsho lwesilinganiso sikagesi oluncane ngoba lungashintsha indawo yokunqanyulwa, ukuhlelwa kwekhompathimenti, ukujula kwephaneli, umzila webhasi, nokulandelana kokufakwa.
Isimo: Iphrojekthi Yezimboni Ehola Ababili Iyashintsha Ngemva Kokuvunyelwa Kwesakhiwo
Isimo esimela abanye — hhayi icala lekhasimende le-Dingsheng elifunwe.
Ingemuva lebhizinisi: Iphrojekthi yezimboni yaphesheya icela ukuhlelwa kwe-LV switchgear enabantu ababili abaholayo, i-coupler yebhasi, ama-process feeder, ama-motor feeder, amamitha kanye nezindlela eziyisipele zesikhathi esizayo.
Inkinga: Umphakeli uqala ubunjiniyela besakhiwo kusukela ku-SLD ekhishiwe. Emasontweni amabili kamuva, umxhumanisi wandisa isisekelo esikhona sephutha, ubuyekeza imithwalo embalwa ye-feeder, futhi ushintsha iqembu lezintambo ezinkulu kusukela ekungeneni okuphansi kuya kokungena phezulu.
Imbangela: Iphrojekthi ikhiphe i-SLD yobunjiniyela ngaphambi kokuba kumiswe isisekelo sephutha, ishejuli yekhebula, nohlu lwe-feeder. Idokhumenti ngayinye yabuyekezwa ngokwehlukana.
Isixazululo: Umthengi usungula iphakheji elilodwa lokukhishwa kobunjiniyela eliqukethe i-SLD egunyaziwe, ishejuli yokuphakelayo, okokufaka okunephutha, ishejuli yekhebula, uhlu lokulawula/lokuxhumana kanye ne-matrix yokubuyekeza. Izinguquko zesikhathi esizayo zikhishwa ngenqubo eyodwa yokuchezuka elawulwayo ngaphambi kokuba imidwebo yabahlinzeki ibuyekezwe.
Inani Lesinqumo Somthengi: Iphrojekthi ingahlukanisa izinguquko ezisemthethweni zobunjiniyela ekusebenzeni kabusha komnikezeli futhi ingaqhathanisa ishejuli noma umthelela wezindleko ngokuqhathaniswa nesisekelo esaziwayo esigunyaziwe.
Yini okufanele Iphakheji Yokukhishwa Kobunjiniyela Iqukathe?
| Idokhumenti / Okokufaka | Umnikazi Ngaphambi Kokukhishwa | Ukuhlola Ukwemukelwa |
| I-SLD | Umthengi / umeluleki / igunya lokuklama eligunyaziwe | Ukubuyekeza, i-topology, imithombo, amabhasi kanye nezinkomba zokuphakelayo ziyahambisana. |
| Uhlelo lokuphakelayo | Ithimba lephrojekthi kagesi | Isiphakeli ngasinye se-SLD sinokungena kweshejuli efanayo kanye nesimo. |
| Isisekelo sephutha / sokuvikela | Umnikazi wocwaningo lwephrojekthi | Idatha egunyaziwe yamanje kanye nesibopho sokuxhumanisa kokugcina kucacile. |
| Uhlelo lwemitha nokuxhumana | Izilawuli zephrojekthi/ithimba likagesi | Amaphoyinti endawo nakude, ubunikazi nezidingo zephrothokholi zikhonjwa. |
| Ishejuli yekhebula | Umklamo wekhebula lephrojekthi | Usayizi, ubuningi, okucatshangwayo kokungena kanye nokuqedwa kufriziwe ukuze kuhlelwe. |
| Ishidi lesimo sesayithi | Umthengi / EPC | Imvelo, indawo ebiyelwe, ukufinyelela kokufaka kanye nezingqinamba ezibonakalayo. |
| Irejista yokuchezuka / yokucabangela | Umthengi nomphakeli ngokuhlanganyela | Izinto ezingaxazululiwe ziyabonakala esikhundleni sokufihlwa ngaphakathi kwekhotheshini. |
Yini Okufanele Abathengi Bayifake ku-LV Switchgear RFQ?
Thumela ukubuyekezwa okugunyaziwe kwe-SLD, ugesi wesistimu/imvamisa/umhlaba, idatha yomthombo kanye ne-transformer, isisekelo esitholakalayo sephutha, uhlelo lomtholi/ibhasi/uthayi, isimiso somthwalo nesiphakeli, ifilosofi yokuvikela, izidingo zokuxhumana zokulinganisa/i-CT/PT/ukuxhumana, usayizi wekhebula/ubuningi/ukungena, indawo ebiyelwe kanye nezimo zesayithi, izinga elisebenzayo lephrojekthi, ishejuli yephrojekthi edingekayo, imidwebo edingekayo/izibalo zephrojekthi.
Cela umphakeli ukuthi abuyisele uhlu lokuqagela nokuphambuka. Ikhotheshini kufanele icacise ukuthi imaphi ama-input afriziwe, ahlala eyesikhashana, nokuthi yiziphi izinqumo zokuklama ezizoqedwa ngesikhathi sobunjiniyela bomphakeli.
Imibuzo Evame Ukubuzwa
Ingabe umdwebo womugqa owodwa wanele ukwenza umshini wokushintshwa kwamandla kagesi aphansi?
Cha. I-SLD iwumbhalo we-topology owumongo, kodwa umphakeli futhi udinga idatha yokuphakelayo/yomthwalo, okokufaka okuyiphutha kwamanje nokokuvikela, ulwazi lwekhebula, izidingo zokulinganisa/ukulawula, izimo zesayithi, amazinga asebenzayo wephrojekthi, nokulawulwa kokubuyekeza.
Ubani okufanele anikeze i-fault current etholakalayo?
Iphrojekthi kufanele ihlinzeke ngesisekelo esivunyiwe sephutha noma ihlonze iqembu elibhekene nocwaningo lwesifunda esifushane. Umphakeli we-switchgear akufanele asungule inani lokugcina lephrojekthi.
Ingabe izilungiselelo zokuvikela i-breaker kufanele ziphothulwe ifekthri ye-switchgear?
Lokho kuncike kwinkontileka kanye ne-matrix yesibopho sephrojekthi. Ucwaningo lokudidiyela, ifilosofi yezilungiselelo, idatha yedivayisi yomhlinzeki, izilungiselelo eziphakanyisiwe, ukubuyekezwa kanye nezibopho zokugcina zokugunyaza kufanele kuchazwe ngaphambi kobunjiniyela.
Kungani kufanele uhlelo lokuphakelayo lufane ne-SLD?
Ngoba i-SLD ikhombisa i-circuit topology ngenkathi ishejuli yokuphakelayo iphethe izidingo zesekethe ezinemininingwane. Uma amadokhumenti amabili ehluka, umphakeli angase enze umsebenzi wokuphakelayo ongalungile, isixhumi esibonakalayo sekhebula, isimo esisele, noma ububanzi bokulawula.
Kufanele simiswe nini indlela yokungena kwekhebula?
Ngaphambi kokuthi kukhishwe ubunjiniyela besakhiwo somzimba. Ukungena okuphezulu/phansi, isibalo sekhebula nosayizi, indlela yokunqanyulwa kanye nezidingo zokufinyelela zingathinta kakhulu ukuhlelwa kwephaneli nendawo yokufaka.
Ingabe iziphakeli eziyisipele zesikhathi esizayo zingashiywa zingachazwa?
Iphrojekthi kufanele okungenani ichaze ukuthi ingabe idinga isiphakeli esiyisipele esifakiwe, indawo elungisiwe, indawo yesikhathi esizayo, noma isibonelelo esibekelwe. Uma kungenjalo abahlinzeki bangase bacaphune izimo ezehlukene ezibonakalayo nezohwebo.
Yini okufanele abathengi bayithumele i-Dingsheng ukuze ibuyekezwe i-MNS switchgear?
Thumela i-SLD egunyaziwe, ishejuli yokuphakelayo, umthombo nedatha yamanje, ifilosofi yokuvikela, izidingo zokulinganisa/ukulawula, ulwazi lwekhebula, izimo zesayithi, izindinganiso ezidingekayo/ukuhlolwa, indawo kanye nenani.
Cela Ukubuyekezwa Kokokufaka Kobunjiniyela be-LV
Ngaphambi kokukhipha iphakheji ye-switchgear ye-MNS yobunjiniyela, thumela i-Dingsheng i-SLD elawulwayo, isheduli yokulayisha/yesiphakeli, isisekelo sephutha, ifilosofi yokuvikela, amaphuzu okulinganisa kanye nokuxhumana, ishejuli yekhebula, indlela yokungena, izimo zesayithi, izidingo zephrojekthi ezisebenzayo kanye nerejista yokubukeza ngokusebenzisa Xhumana nathi ikhasi. I-Dingsheng ingabuyekeza okokufaka kwephrojekthi okutholakalayo, ihlonze i-interface yobunjiniyela engekho futhi ilungiselele isiphakamiso esiqondene nokucushwa ngaphandle kokuphatha amanani ephrojekthi angakaxazululiwe njengedatha yokuklama eqinisekisiwe.
