TL;DR — Abin da Ya Kamata Ku Sani
- Tubalan tashoshi masu nauyi waɗanda aka ƙima 150A tare da karɓar waya 35mm² (AWG 2) su ne mizani na rarraba wutar lantarki ta cibiyar sarrafa mota - samar da wuraren haɗi masu aminci da tsari ga kebul na ciyar da mota har zuwa 50mm².
- Ruwan shigar da motoci (6-8× FLA) suna buƙatar tubalan ƙarshe tare da babban nauyin zafi - Tubalan tashar sarrafawa na yau da kullun waɗanda aka kimanta a daidai wannan yanayin wutar lantarki mai ƙarfi za su gaza a ƙarƙashin zagayowar aikin MCC saboda ba su da sashin haɗin jan ƙarfe don shan kuzarin inrush.
- Wurin zama mai kyau na 35mm² (AWG 2) ba na son rai ba ne: yana daidaita daidaiton ƙarfin (150A tare da iyakar aminci 25% a 40°C), ikon sarrafa waya ta injiniya (radius mai lanƙwasa
- Kai tsaye daga masana'antarmu, manyan bulogin tashar jiragen ruwa suna kashe ƙasa da kashi 35-50% idan aka kwatanta da samfuran Turai masu takardar shaidar IEC/UL — tare da lokutan jagora na makonni 2-3 don samfuran kasida na yau da kullun.
- Daidaito tsakanin SCCR shine haɗarin bin ƙa'ida ta #1 a cikin zaɓin toshewar tashar MCC — koyaushe a tabbatar cewa ƙimar wutar lantarki ta gajarta ta toshewar tashar ta yi daidai da jimlar SCCR na MCC (yawanci 42kA zuwa 65kA ga kayan aiki na zamani).
Me Yake Bayyana Tsarin Tashar Mota Mai Nauyi Ga Cibiyoyin Kula da Motoci?
Bari in faɗi daidai abin da "aiki mai nauyi" yake nufi a zahiri - domin kalmar tana da sauƙin fahimta a cikin wannan masana'antar. Toshe mai nauyi, bisa ga kowace ma'ana mai ma'ana, an tsara shi don ci gaba da ƙimar halin yanzu na 100A zuwa 400A, tare da kewayon karɓar waya daga 10mm² (AWG 8) kuma yana ƙaruwa zuwa 150mm² (300 kcmil). Waɗannan ba tubalan tashar da kuke amfani da su don haɗin PLC I/O ko madaukai na kayan aiki 4-20mA ba ne. Waɗannan su ne tubalan da ke tsakanin babban bas ɗin MCC da na'urorin farawa na mota ɗaya - waɗanda ke ɗauke da isasshen wutar lantarki don gudanar da injin induction mai ƙarfin 75kW (100 HP).
A masana'antarmu, muna zana layi mai haske: Idan tubalin tashar yana sarrafa wutar lantarki ta hanyar amfani da wutar lantarki - ba wutar lantarki ba, ba wayar sigina ba, amma ainihin wutar lantarki mai matakai uku da ke juya motar - yana cikin rukunin samfuranmu masu nauyi. Wannan layin yana wanzu ne saboda wani takamaiman dalili na injiniya: da'irori masu motsi suna gabatar da matsin lantarki guda uku waɗanda da'irori masu sarrafawa ba sa yi, kuma ƙirar toshewar ƙarshen dole ne ta yi la'akari da dukkan ukun a lokaci guda.
Dalilin da yasa Cibiyoyin Kula da Motoci ke Bukatar Tubalan Tashoshi daban-daban
Cibiyoyin sarrafa motoci, a fannin wutar lantarki, suna ɗaya daga cikin wurare mafi tsauri don haɗin bulogin tashar. Na koyi wannan darasi a shekarar 2012 lokacin da ɗaya daga cikin abokan cinikinmu na farko ya ba da rahoton gazawar bulogin tashar a cikin shigarwar MCC bayan watanni takwas kacal na aiki - bulogin da suka wuce kowace gwajin masana'anta tare da launuka masu kyau. Lokacin da muka kai injiniyanmu wurin (wani kamfanin haɗa motoci a Michigan), mun gano matsalar cikin mintuna 15: Tubalan tashar sun isa sosai don aiki mai ƙarfi na 120A, amma ana fuskantar ƙaruwar inrush na 720A sau shida a kowace awa yayin da injinan samar da kekuna ke kunnawa da kashewa.
Wannan ziyarar filin guda ɗaya ta canza yadda muke tsarawa da kuma kimanta tubalan tashar mu masu nauyi. Ga abin da muhallin MCC ke buƙata cewa tubalan tashar ba za su iya isarwa ba:
Inrush Current: Mai Kisan Kai da Aka Boye
Motocin induction suna jan ƙarfin amperage mai nauyin 6-8 (FLA) yayin farawa - injin 75kW mai ƙarfin 140A FLA zai jawo 840-1120A na kimanin daƙiƙa 2-5 yayin fara aiki a fadin layi. Ko da tare da ƙananan farawa waɗanda ke iyakance inrush zuwa 3× FLA, har yanzu kuna kallon 420A yana hawa ta hanyar haɗin toshewar tashar. Saboda ana gwada tubalan tashar da aka saba amfani da su don aikin zafi a kan wutar lantarki mai ƙima kawai, ba don ɗaukar nauyin ɗan gajeren lokaci ba, ɓangaren haɗin jan ƙarfe na su ba shi da ƙarfin zafi don shan kuzarin inrush ba tare da wuce zafin jiki mai laushi na gidan PA66 ba.
Girgizawa: Mai Sassauta Haɗin
MCCs cike suke da na'urorin sadarwa na lantarki waɗanda ke rufewa da buɗewa sau dubbai a rana. Kowace aikin mai haɗa na'urar yana aika girgiza ta hanyar injiniya ta cikin dukkan tsarin sashin tsaye - kuma kowane toshewar tashar da aka ɗora a kan wannan tsarin yana jin sa. Tubalan tashar sukurori na yau da kullun tare da ƙarfin matsewa na 1.2-1.5 Nm za su sassauta a hankali a ƙarƙashin wannan girgizar. Tubalan masu nauyi suna amfani da sukurori na ƙarfe M5 ko M6 tare da ƙarfin matsewa na 2.5-5.0 Nm, kuma tsarin sukurori ya haɗa da fasalin kulle kai (mai wankin bazara mai siffar mazugi ko saman hulɗa mai lanƙwasa) wanda ke hana juyawa a ƙarƙashin girgiza.
Sarari Mai Tsauri da Jikewar Zafi
Sassan tsaye na MCC suna cike da cunkoso: sandunan bas, masu karya da'ira, masu haɗa na'urori, na'urorin jigilar kaya masu yawa, na'urorin canza wutar lantarki, da tubalan tashar duk suna fafatawa don samun sarari a cikin katangar NEMA 1 ko NEMA 12. Zafin yanayi a cikin MCC mai aiki yakan kai 50-55°C — 10-15°C sama da ma'aunin ƙimar 40°C na tubalan ƙarshe. A yanayin zafi na 55°C, dole ne a rage tasirin wutar lantarki na toshewar tashar da kashi 12-15%, wanda ke nufin cewa ƙimar farantin suna na 150A zai zama ƙarfin aiki mai ci gaba na 128-132A. Tubalan aiki masu nauyi tare da manyan sandunan jan ƙarfe suna kiyaye babban gefen zafi don wannan yanayin.
Tsarin Waya na 35mm² (AWG 2): Me yasa Wannan shine Matsayin MCC
Mai sarrafa motar mai girman 35mm² yana tsaye a mahadar wasu ƙa'idodi uku na injiniya waɗanda suka haɗu a cikin ƙirar cibiyar sarrafa motar. Ba lamba bazuwar ba ce — sakamakon inganta saurin magana, sarrafa injina, da kuma farashi ne.
| Sigogi | 25mm² (AWG 4) | 35mm² (AWG 2) | 50mm² (AWG 1/0) |
|---|---|---|---|
| Amfanuwa a 40°C (jan ƙarfe, mai jagoranci 3 a cikin bututun ruwa) | 110A | 145A | 170A |
| Ampacity a 55°C (MCC ciki, derated) | 93A | 123A | 144A |
| Jimlar aminci sama da ƙimar tubalan 150A | -26% ❌ | +21% ✅ | +42% (babba) |
| Diamita na waje na kebul (XLPE mai rufi) | ~14mm | ~16mm | ~19mm |
| Mafi ƙarancin radius na lanƙwasa (kowace NEC) | ~98mm | ~112mm | ~133mm |
| Kudin kowace mita (dangane) | 0.75× | 1.00× | 1.40× |
Teburin ya bayyana labarin a sarari: 35mm² shine jagorar goldilocks don da'irar motoci 150A. Kebul ɗin mai girman 25mm² ba shi da girman 150A a yanayin zafi mai yawa na MCC - za ku dogara da gefen zafin bututun tashar don rama ƙaramin mai jagora, wanda ba shi da kyau a aikin injiniya. Kebul ɗin mai girman 50mm² yana da aminci amma babba - yana da tsada fiye da kashi 40%, yana buƙatar ƙarin sarari don lanƙwasawa, kuma ba ya amfanar da ku komai a aikin lantarki saboda toshewar tashar da kanta ita ce abin da ke iyakance a 150A.
Fasahar Haɗi don Aikace-aikacen Mai Nauyi
Lokacin da kake dakatar da kebul na ciyar da injin 35mm² a cikin MCC, Fasahar haɗin kai tana da mahimmanci kamar yadda ƙimar toshewar tashar kanta take da mahimmanci. Muna ƙera nau'ikan haɗi guda huɗu daban-daban don layin samfuranmu masu nauyi, kuma kowannensu yana da takamaiman yanayin amfani:
Haɗin Ingarma/Bolt (An ba da shawarar don ≥35mm²)
Na'urar ƙarfe mai zare M6 ko M8 mai goro mai siffar hex da kuma na'urar wankin bazara tana karɓar tashoshin zobe masu ƙyalli. Wannan ita ce shawararmu mafi ƙarfi ga duk wani mai jagora mai girman 35mm² ko sama da haka, musamman ga haɗin layin-gefen (mai shigowa) a cikin aikace-aikacen MCC. Dalilan suna da ƙarfi: tashar zobe tana ba da damar hulɗar digiri 360 a kusa da ingarma, haɗin injin ɗin kusan ba shi da kariya daga girgiza idan aka kunna shi yadda ya kamata, kuma - musamman don kulawa - Ana iya katse tashar zobe kuma a sake haɗa ta sau da yawa ba tare da lalata jagorar ba, wanda ke da mahimmanci sosai lokacin da ake buƙatar musanya bokitin MCC yayin sake saita layin samarwa.
Maƙallin Sukurin Wuta (Na 10-35mm²)
Sukurin ƙarfe na M5 ko M6 yana tura farantin matsi wanda ke matse mai tuƙi a kan sandar wutar jan ƙarfe. Wannan shine nau'in haɗinmu mafi shahara don ƙarewar ciyar da motoci a cikin kewayon 10-35mm² saboda yana haɗa shigarwa cikin sauri (ƙasa da daƙiƙa 30 a kowace waya tare da sukudireba mai ƙarfi) tare da ingantaccen aminci na dogon lokaci. Sukurin yana amfani da ƙarfin juyi na 3.0-4.0 Nm — wanda ya isa ya haɗa zaren mai jagora zuwa saman tagulla da aka lulluɓe da kwano, yana ƙirƙirar haɗin da ke hana iskar gas shiga wanda ke tsayayya da lalata iskar shaka da kuma lalacewar yanayin zafi.
Matsewar Akwati/Sirdi (Na 16-50mm², Nau'in Mai Gudanar da Gauraye)
Maƙallin sirdi mai siffar U tare da sukurori biyu yana ba da mannewa mai zaman kansa a ɓangarorin biyu na jagorar. Wannan ƙira tana da mahimmanci yayin da ake dakatar da hanyoyin motar aluminum tare da kebul na ciyar da jan ƙarfe - saboda tana ɗaukar nau'ikan ma'aunin faɗaɗa zafi daban-daban na aluminum (23×10⁻⁶/K) idan aka kwatanta da jan ƙarfe (17×10⁻⁶/K) ba tare da haifar da wuraren zafi a mahaɗin hulɗa ba.
Tubalan Rarraba Wutar Lantarki (Don Babban Haɗin Bas)
Waɗannan su ne manyan tubalanmu, tare da sandunan zare na M10 ko M12 waɗanda aka kimanta su don 250-400A. Ana amfani da su ne inda sandar bus ɗin MCC ta tsaye ta haɗu da kebul na ciyarwa mai shigowa - wurin haɗi na farko a cibiyar sarrafa motar. A wannan matakin na yanzu, toshewar ƙarshe ta zama wani ɓangare na tsarin gini, ba kawai mahaɗin lantarki ba - dole ne ƙarfin injina daga lanƙwasa kebul na 150mm² su kasance suna da goyon bayan gidan toshewar ƙarshe da kuma haɗin layin DIN, ba tare da sandar jan ƙarfe kaɗai ba.
Takaddun shaida: Abin da Takaddun Shaida na MCC ɗinku Zai Bukata
Takaddun shaida na siyan cibiyar kula da motoci ba su da tabbas game da buƙatun takardar shaidar bulo na tashar. Idan ƙayyadaddun bayanai ya buƙaci kayan aikin MCC da aka jera a cikin UL 845 (kamar yadda kusan dukkan MCCs na masana'antu na Arewacin Amurka suke yi), to kowane sashi a ciki - gami da tubalan tashar - dole ne ya ɗauki alamar jerin UL da ta dace.
Don manyan tubalan tashar aiki a cikin aikace-aikacen MCC, takaddun shaida masu mahimmanci sune:
UL 1059 (Misalin Tubalan Tashar) — yana rufe tubalan tashar da aka kimanta har zuwa 1500V. Kowace UL 1059 Edita. 6-2024, dole ne a gwada tubalan tashar don juriyar dielectric, hauhawar zafin jiki a ƙimar wutar lantarki, da juriyar wutar lantarki ta gajere. Tubalan mu masu nauyi da aka lissafa a UL suna ɗauke da ƙimar SCCR daga 10kA zuwa 65kA dangane da daidaiton na'urar kariya ta sama - kuma muna samar da teburin daidaitawa na SCCR a cikin kowane takardar bayanai na samfur.
CSA C22.2 Lamba ta 158 — daidai da na Kanada, wanda ake buƙata don MCCs da aka sanya a Kanada. Gwajin CSA yana ƙara gwajin tasirin sanyi a -35°C wanda UL ba ta buƙata, wanda ke da mahimmanci ga shigarwar MCC na waje a yanayin arewa.
IEC 60947-7-1 - ƙa'idar ƙasa da ƙasa. sabon gyaran da aka yi, tubalan tashar dole ne su bayyana ainihin wutar lantarki mai jurewa na ɗan gajeren lokaci (Icw) - wutar lantarkin toshewar na iya ɗaukar na daƙiƙa 1 ba tare da lalacewa ba. Ga wani babban toshe mai nauyi na 150A, ƙimar Icw yawanci tana tsakanin 3.0kA zuwa 4.5kA (daƙiƙa 1), wanda dole ne a haɗa shi da makamashin da ke cire wutar lantarki daga da'irar MCC.
Zaɓar Mai Kaya Mai Nauyin Bututun Tashar: Abin da Yake Raba Inganci da Sasantawa
Ina so in yi magana da wannan batu kai tsaye saboda Kasuwar bututun tashar ta cika da masu samar da kayayyaki da ke ba da samfuran da suka yi kama da juna a cikin hotunan kundin bayanai amma suna aiki daban-daban a ƙarƙashin yanayin aiki na MCC.
Ga abin da muka koya game da bambance babban tubalin aiki mai inganci daga na kayayyaki - da kuma abin da ya kamata ku tabbatar lokacin da kuke kimanta kowane abu Mai samar da kayan aiki mai nauyi na tashar bulogin:
1. Takardar shaidar tsarkin tagulla. Na'urar busar jan ƙarfe ta C11000 mai amfani da electrolytic tana ɗauke da takardu da ke nuna shi zuwa matatar jan ƙarfe. Tagulla na jabu ko kuma wanda aka sake yin amfani da shi - wanda ya zama ruwan dare a cikin tubalan da ba su da tsada - ya ƙunshi ƙazanta (musamman ƙarfe da iskar oxygen) waɗanda ke rage watsa wutar lantarki da kashi 5-15% kuma suna haifar da wurare masu zafi a iyakokin hatsi. Muna ba da takaddun shaida na gwajin injin niƙa ga kowane rukunin jan ƙarfe da ake amfani da shi a cikin layinmu mai nauyi.
2. Kauri na farantin kwano. Rufin da aka yi da bakin karfen jan karfe yana da amfani guda biyu: yana hana iskar shaka ta jan karfe (wanda ke kara juriyar saduwa da juna akan lokaci), kuma yana samar da wani wuri mai laushi, mai kama da juna wanda ke sanyaya gwiwa ga mai gudanarwa a karkashin matsin lamba na sukurori. Kauri na farantin da aka yi amfani da shi a masana'antu shine 3-5μm; farantin mu yana da girman 5-8μm saboda ƙarin 2-3μm yana ƙara tagar kariyar iskar shaka daga kimanin shekaru 5 zuwa shekaru 15+ a cikin yanayin cikin gida mai sarrafawa.
3. Sukurori na ƙarfe da kuma maganin zafi. Sukurorin mannewa a cikin wani babban toshe mai aiki dole ne su kiyaye halayen injinansu ta hanyar dubban zagayowar zafi daga -40°C zuwa +130°C. Muna amfani da sukurori na ƙarfe mai nauyin 8.8 na carbon tare da zinc-nickel plating da kuma murfin canza chromate - wannan haɗin yana ba da juriyar tsatsa na sukurori masu ɗauke da zinc 5x kuma yana kiyaye ƙarfin matsewa ta cikin cikakken kewayon zafin jiki.
4. Tsarin kayan gida. Ana yi wa gidaje da yawa na bututun ƙarshe lakabi "PA66" ba tare da an ƙayyade adadin fiber ɗin gilashi ba. Kashi na ƙarfafa zaren gilashi (yawanci kashi 25% ko 30%) yana shafar daidaiton girman gidan kai tsaye a ƙarƙashin zafi - a 130°C, gidan PA66 GF25 yana riƙe da kusan kashi 40% na ƙarfin juriyarsa ga zafin ɗakin, yayin da PA66 GF30 ke riƙe da kashi 55%. Ga manyan tubalan da ke aiki a yanayin zafi mai yawa na MCC, bambancin da ke tsakanin GF25 da GF30 shine bambanci tsakanin gidan da ke kula da ingancin zaren sukurori da wanda ba ya aiki.
Haɗa Tubalan Tashar Mai Nauyi Cikin Tsarin MCC: Injiniyan Aiki
Bayan samar da tubalan tashoshi ga masana'antun MCC da masu gina panel sama da shekaru goma, ga cikakkun bayanai game da haɗin kai waɗanda ke kawo bambanci tsakanin shigarwa mai tsabta da kuma mafarkin gyara matsala:
Tsarin Sararin Samaniya. Sassan tsaye na MCC yawanci suna da faɗin waya na 100-150mm a gefen dama. Haɗakar tubalan tashar mai nauyi tare da matsayi 12 a 15mm yana ɗaukar 180mm na layin DIN - tare da radiyon lanƙwasa na kebul don masu jagoranci na 35mm² yana ƙara kusan 110mm a kowane gefe. Wannan yana nufin tubalin da ke matsayi 12 yana cinye sararin waya mai tsayi 400mm yadda ya kamata, wanda dole ne a yi la'akari da shi a cikin zane na sashen MCC kafin a ja wayar farko.
Gudanar da Zafi. Haɗa bututun ƙarshe na 150A tare da matsayi 8 da ke ɗauke da matsakaicin 110A a kowane matsayi yana samar da kimanin 6-8W na zafi a kowane matsayi daga juriyar hulɗa da asarar I²R a sandar bus — kimanin 50-65W jimilla. A cikin sashin NEMA 12 MCC da aka rufe ba tare da iska mai ƙarfi ba, wannan ƙarfin 65W zai ɗaga zafin jiki na cikin sashin da kusan 5-8°C sama da yanayi a cikin zagayen aiki na awanni 4. Dole ne a ƙara wannan ƙarin ƙaruwar zafin jiki a cikin lissafin rage zafin jiki na yanayi - a aikace, toshe 150A a cikin NEMA 12 MCC mai cikakken lodi sau da yawa yana aiki yadda ya kamata a matsayin toshe 135A.
Wayoyin Tashar Toshe-zuwa-Fara. Kuskuren wayoyi da muka fi gani a fagen shine gudanar da kebul na ciyar da motoci daga toshewar tashar zuwa farkon motar ta amfani da ƙananan jumpers. Idan an kimanta tubalin tashar don 35mm² mai shigowa kuma mai kunna motar ya karɓi lag ɗin 35mm², dole ne jumper ɗin da ke tsakaninsu ya zama 35mm² — ba 16mm² ko 25mm² ba kawai saboda suna da sauƙin lanƙwasawa. Jumper mai girman 16mm² a cikin da'irar 150A zai yi zafi 30-40°C fiye da masu jagoranci na 35mm² a kowane gefe, wanda hakan ke haifar da raunin zafi wanda masu dubawa ke ƙara nuna alama.
Jimlar Kudin Mallaka: Bayan Farashin Siyayya
Ƙungiyoyin sayayya suna ƙayyade farashin naúrar, injiniyoyin gyara suna ƙayyade inganci. Jimillar kuɗin da ake kashewa wajen ƙididdige mallakar gidaje ya haɗu da waɗannan ra'ayoyin - kuma a cikin ƙwarewarmu, ita ce hujja mafi gamsarwa don saka hannun jari a cikin ingantattun tubalan tashar jiragen ruwa.
Bari mu ƙididdige TCO don haɗa tubalan tashar mai nauyi mai matsayi 20 a cikin MCC — kwatanta mafita mai inganci ta masana'anta-kai tsaye da shigo da kayayyaki:
| Siffar Farashi | Babban Block (J-Guang, Direct) | Shigo da Kayayyaki |
|---|---|---|
| Farashin siyan kayan haɗa abubuwa guda 20 | $48.00 | $28.00 |
| Aikin shigarwa (awanni 2 × $65/h) | $130.00 | $130.00 |
| Kulawa ta shekara-shekara (dubawa ta hanyar sake juyi, awa 0.5 × $65/awa) | $32.50 | $32.50 |
| Yiwuwar gazawa a cikin tsawon shekaru 5 na sabis | 0.5% | 3.2% |
| Kudin kowane abin da ya faru na gazawa (lokacin dakatarwa + maye gurbin) | $2,800 | $2,800 |
| Ana tsammanin gazawar ta wuce shekaru 5 | $14.00 | $89.60 |
| Jimlar TCO na Shekaru 5 | $354.50 | $410.10 |
Tsarin biyan kuɗi na premium yana kashe ƙarin dala $20 a gaba amma yana adana $55.60 cikin shekaru biyar - riba 2.8× akan ƙarin jarin. Kuma wannan lissafin bai haɗa da farashin lokacin ƙarewar samarwa ba yayin da aka maye gurbin toshewar da ta gaza, wanda ga layin masana'antu wanda ke samar da kuɗin shiga na $5,000/awa, yana ƙara $10,000-20,000 a kowace matsala ta gazawa.
Tambayoyin da Ake Yawan Yi
T: Za a iya amfani da tubalan tashoshi masu nauyi don tutocin injin jan ƙarfe da aluminum?
Eh — amma sai da takamaiman fasalulluka na ƙira. Masu sarrafa aluminum suna buƙatar tubalan ƙarshe tare da saman hulɗar jan ƙarfe da aka yi da tin ko azurfa da kuma hanyoyin haɗin da aka ƙididdige don amfani da Al/Cu (bimetallic). IEC 60947-7-1, tubalan tashar da aka kimanta don masu sarrafa aluminum dole ne su yi ƙarin gwaje-gwajen zagayowar zafi (zagaye 500 tsakanin 25°C da 110°C) saboda mafi girman CTE na aluminum yana haifar da ƙarin damuwa a mahaɗin hulɗa. Tubalan mu masu ƙimar Al/Cu suna amfani da saman hulɗar da aka yi da serrated da kuma wankunan bazara na Belleville don kiyaye matsin lamba akai-akai duk da bambancin faɗaɗa zafi na jagorar aluminum.
T: Wane irin kulawa ne tubalan tashar jiragen ruwa masu nauyi ke buƙata a cikin aikin MCC?
Sake kunna duk haɗin sukurori da ake iya samu a kowace shekara shine mafi ƙarancin buƙata. Muna kuma ba da shawarar duba yanayin zafi (duba kyamarar infrared) a lokacin rufewar kulawa ta shekara-shekara - hauhawar zafin jiki sama da 15°C sama da tubalan da ke kusa yana nuna haɓakar haɗin juriya mai ƙarfi wanda ke buƙatar kulawa nan take. Ga tubalan da ke cikin sassan MCC masu girgiza sosai (waɗanda ke da masu farawa a layi suna hawa keke fiye da sau 10 a kowace awa), duba na rabin shekara yana da kyau.
T: Tubalan tashoshi masu nauyi nawa za a iya ɗorawa a kan layin DIN guda ɗaya a cikin MCC?
Abubuwan da ke iyakance zafin shine zubar da zafi, ba sarari na zahiri ba. Layin DIN na yau da kullun mai tsawon mita 1 a cikin sashin tsaye na MCC zai iya ɗaukar matsayi 40-50 na tubalan tashar aiki masu nauyi a matakin 20mm. Duk da haka, idan waɗannan tubalan duk suna ɗauke da wutar lantarki mai kusan ƙima, haɗakar fitarwar zafi na iya wuce ƙarfin sanyaya na sashin na halitta. Jagorar injiniyarmu: kada a wuce matsayi mai nauyi 30 a kowace mita mai layi na layin DIN sai dai idan sashen MCC ya haɗa da iska mai ƙarfi - kuma koyaushe a raba ƙungiyoyin tubalan masu ƙarfin lantarki tare da aƙalla wurare biyu marasa komai ko tubalan sigina masu ƙarancin wutar lantarki don ƙirƙirar fashewar zafi a cikin hanyar bas ɗin.
T: Shin ina buƙatar tubalan tashoshi daban-daban don injinan da ke ciyar da VFD idan aka kwatanta da injinan da ke yawo a cikin MCC ɗaya?
Haka ne - kuma wannan wani bayani ne da ake yawan mantawa da shi. Siffofin fitowar VFD suna ɗauke da jimloli masu yawan mita (mita masu sauyawa na 2-16 kHz) waɗanda ke ƙara tasirin fata a cikin masu sarrafa jan ƙarfe kuma suna samar da ƙarin dumama I²R a cikin haɗin toshe na ƙarshe. A bisa ga gwajinmu, toshewar tashar 150A da aka haɗa da fitowar VFD wanda ke gudana a mitar sauyawa 8kHz ya kamata a rage shi zuwa kusan 130A (rage kashi 13%) don la'akari da ƙarin dumama mai jituwa. Idan kuna haɗa VFD da masu farawa a cikin MCC ɗaya, ƙayyade tubalan ƙarshe bisa ga VFD derating don daidaito - ƙayyade saitin tubalan da yawa ya fi rahusa fiye da kula da abubuwa biyu daban-daban na layi.
Tambaya: Menene lokacin jagora don daidaitawar toshewar tashar jiragen ruwa ta musamman?
Don layin samfuranmu na yau da kullun (80A-400A), samfuran kasida suna jigilar su cikin kwanakin kasuwanci 5-7 daga wurinmu na Ningbo. Tsarin musamman - ƙididdige sandunan da ba na yau da kullun ba, ƙimar wutar lantarki mai gauraya, lambar launi ta musamman, alamar musamman - yana buƙatar makonni 2-3 ciki har da amincewa da injiniya da kuma duba labarin farko. Muna kula da ajiyar duk bayanan sandar jan ƙarfe na yau da kullun da ƙirar gidaje, don haka saitunan musamman galibi suna iyakance ta hanyar haɗuwa da lokacin gwaji, ba samuwar kayan ba. sara@nbjguang.com tare da takamaiman bayananka don ainihin lokacin jagora.
Me yasa J-Guang ya zama Mai Kaya da Kayayyakin Bulo na Tashar Jirgin Kasa Mai Nauyi
Mun shafe shekaru 15 muna ƙera bulogin tashar jiragen ruwa — tun daga shekarar 2010. A wannan lokacin, mun aika da sama da ofisoshin rukunin yanar gizo miliyan 50 zuwa ga abokan ciniki a cikin ƙasashe sama da 40. An ƙirƙiro layin samfuranmu masu nauyi musamman don mayar da martani ga wannan ƙwarewar gazawa a fannin noma a Michigan ta 2012 - kuma kowace shawara ta ƙira a cikin samfuranmu na yanzu tana komawa ga yanayin aiki na MCC na gaske, ba kawai ƙayyadaddun gwaje-gwajen dakin gwaje-gwaje ba.
Ikon kera tubalan tasharmu mai nauyi ya haɗa da:
- Ƙima na yanzu: 80A, 100A, 125A, 150A, 175A, 200A, 250A, 300A, da 400A
- Jerin waya: 6mm² zuwa 150mm² (AWG 10 zuwa 300 kcmil)
- Nau'ikan haɗi: Ingarma/ƙulli (M5-M12), maƙallin sukurori mai ƙarfi, maƙallin akwati/ƙulli na sirdi
- Takaddun shaida: An jera UL 1059, an yiwa alama CE, an bi umarnin RoHS/REACH, ISO 9001: 2008 QMS
- Ƙimar SCCR: 10kA zuwa 65kA tare da teburin na'urorin kariya masu daidaitawa
- Kayan gidaje: PA66 GF30, UL94 V-0, CTI >400V
- Ƙarfin musamman: Alamar OEM, launuka na musamman, saitunan ƙima iri-iri, alama ta musamman
Kowace tubalan tashar da muke jigilar kaya tana fuskantar gwajin lantarki 100% - juriyar dielectric a ƙarfin lantarki mai ƙimar 2 × + 1000V, auna juriyar hulɗa a kowane matsayi na tashar, da kuma duba gani a ƙarƙashin girman 10 ×. Wannan ba mizani ne na masana'antu ba; mizani ne namu. Mun amince da shi saboda farashin gazawar filin - a cikin suna, a cikin amincewar abokan ciniki, da kuma a cikin ainihin kuɗi - ya ninka farashin gwaji.
📞 Sami Farashi ko Nemi Samfuran Injiniya
Muna bayar da samfuran injiniya kyauta tare da cikakkun takaddun gwaji cikin awanni 48. Tuntuɓi ƙungiyarmu a sara@nbjguang.com ko kira +86 574 63085228.
Duba cikakken jerin samfuranmu a NINGBO J-GUANG ELECTRONICS - tubalan tashar jiragen ƙasa masu nauyi, tubalan tashar jirgin ƙasa na DIN, masu haɗin PCB, da kuma cikakkun hanyoyin haɗin gwiwa.