📘 Soo koobid
TheAC Asynchronous Motorwaa faraska shaqada ee ka dambeeya bambooyinka, kombuyuutarrada, kombaresarada, iyo taageereyaasha guud ahaan nidaamyada wax soo saarka, beeraha, iyo hvac. Hagahan wuxuu sharxayaa mabda'a hawlgalka, sifooyinka waxqabadka, tixgalinta waxtarka tamarta, shuruudaha xulashada, iyo hababka ugu fiican ee dayactirka. Waxaad baran doontaa sida loo waafajiyo tafatirka mootada codsigaaga, yaraynta wakhtiga dhimista, iyo hoos u dhigida wadarta qiimaha lahaanshaha.
Warshado iyo tas-hiilaadyo aan tiro lahayn, beddelka la isku halayn karo ee tamarta korantada ee wareegta farsamada waxaa lagu gaaraaAC Asynchronous Motor(sidoo kale loo yaqaan matoor la gelinayo). Si ka duwan matoorada isku midka ah ee sida saxda ah ugu wareegaya inta jeer ee saadka, nashqada asynchronous-ku waxay soo bandhigaysaa "sibxab" la kontaroolay oo u dhexeeya rotor-ka iyo goobta magnetic wareegta ee stator. Xaashidan ayaa awood u siinaysa ilaalinta culayska badan ee dabiiciga ah, dhismo fudud, iyo dayactirka ugu yar - taas oo ka dhigaysa doorashada caadiga ah ee codsiyada xawaaraha go'an iyo isbeddelka-wareegga ah. Fahamka qalooca-xawaaraha torque-ga, fasalka dahaadhka, iyo habka qaboojinta ayaa lama huraan u ah injineerada iyo xirfadlayaasha wax soo iibsiga ee hiigsanaya nolosha adeegga dheer iyo kaydinta tamarta.
TheAC Asynchronous MotorWaxa uu ku shaqeeyaa sharciga Faraday ee soo-gelinta elektromagnetic. Marka saddex-waji (ama hal-waji) AC danab lagu dabaqo dabaylaha stator, goob magnetic wareeg ah ayaa la abuurayaa. Goobtani waxa ay gooysaa dabaylaha rotor-ka, iyada oo ku dhalinaysa hadda. Hadda la kiciyay ayaa markaa la falgala goobta stator si ay u soo saarto qulqulka. Si kastaba ha ahaatee, rotor-ku si sax ah uma qabsan karo xawaaraha isku midka ah; waa in ay gadaal ka "siibantaa" Sibidhka waxaa lagu qeexaa farqiga boqolkiiba inta udhaxeeya xawaaraha isku midka ah iyo xawaaraha rotor-ka dhabta ah.
| Halbeegga | Qiimaha caadiga ah / Sharaxaada |
|---|---|
| Xawaaraha isku midka ah (Ns) | Ns = 120 × f / P (f = inta jeer, P = tiirarka) |
| sibxado buuxa | 2% ilaa 5% ee matoorada caadiga ah; ka sarreeya weji-hal-yar oo yar |
| Saamaynta culeyska kordhay | Sibidhku wax yar ayuu u kordhaa, hadda rotor-ka ayaa kor u kacaya, wareeggu wuu kordhaa |
| silbasho la'aan | Wuxuu ku dhow yahay 0% laakiin waligiis ma gaaro eber |
Lifaaqan la taaban karo wuxuu bixiyaa sifo qiimo leh: is-xakamaynta. Marka culeyska makaanikada uu bato, rotor-ku wax yar ayuu hoos u dhacayaa, silbashooyinka ayaa kordha, hadda badan ayaa la kiciyaa, iyo qulqulka si toos ah ayuu u kacayaa ilaa dheellitirka laga gaaro. Intaa waxaa dheer, theAC Asynchronous Motoruma baahna birlab joogto ah ama simbiriirixan (nooca qafis dabagaalle), taas oo ka dhigaysa mid adag oo kharash-ool ah. Tani waa sababta matoorada kicinta ay ku xisaabtamaan in ka badan 90% awoodda ujeedada warshadaha adduunka oo dhan.
Fahamka qalooca-xawaaraha torque-ga ayaa muhiim u ah doorashada saxda ahAC Asynchronous Motorculeyska firfircoonida sare sida burburinta ama bambooyinka centrifugal. Saddex dhibcood oo muhiim ah ayaa qeexaya waxqabadkeeda:
● Quful-Rotor Torque (LRT)– Torque diyaar u ah joogsi. Waa in uu dhaafaa wareegga bilawga rarka si loo dardargeliyo.
● Kor-u-jiid Torque (PUT)- Hirarka ugu yar inta lagu jiro dardargelinta inta u dhaxaysa joogsiga iyo barta burburka. Ka fogow quusitaanka qoto dheer.
● Burburinta Torque (BDT)- Dhaqdhaqaaqa ugu badan ee matoorku wuu kobcin karaa. Caadi ahaan 200-250% mawjadaha la qiimeeyay.
Hababka bilawga ah way kala duwan yihiin iyadoo lagu saleynayo cabbirka mootada iyo caqabadaha saadka:
● Tooska Tooska ah (DOL)- Fudud iyo dhaqaale ahaan matoorada yaryar (< 10 kW). Dhaqdhaqaaq sare oo hadda socda (6-8x ayaa la qiimeeyay).
● Xiddiga-Delta (Wye-Delta)- Waxay hoos u dhigtaa bilawga hadda ilaa 33% ee DOL. Ku habboon matoorada dhexdhexaadka ah ilaa 100 kW.
● Bilowga jilicsan/VFD- Waxay bixisaa dardargelin siman iyo xawaare la hagaajin karo. Lagu taliyay faras weyn ama bilawga soo noqnoqda.
Hufnaanta matoorku waxay si toos ah u saamaysaa kharashyada hawlgalka. Heerka caalamiga ah IEC 60034-30-1 wuxuu qeexayaa fasallada waxtarka leh ee korantada yarAC Asynchronous Motor. Ka cusboonaysiinta IE1 ilaa IE3 ama IE4 waxay yarayn kartaa isticmaalka tamarta sanadlaha 20-40%.
| Fasalka IE | Heerka Waxtarka | Codsiyada caadiga ah | Mudada Soo Celinta |
|---|---|---|---|
| IE1 (Standard) | Ugu hooseeya (waa laga saaray) | Qalab dhaxalgal ah | N/A |
| IE2 (sare) | Ugu yar ee rakibaadda cusub ee gobollo badan | Taageereyaasha waajibka ah ee joogtada ah, matoorada | 2-3 sano |
| IE3 (Premium) | Waa qasab EU iyo Shiinaha 0.75-1000 kW | Compressors, qalab-qaadayaasha | 1-2 sano |
| IE4 (Super Premium) | Ilaa 20% khasaaraha ka hooseeya IE3 | 24/7 hawlgallada, EV dallacaadda | 1-3 sano |
| IE5 (Ultra Premium) | Diidmo la'aan ama naqshadaha PM-caawiyay | Dareenka qiimaha tamarta ugu sarreeya | 3-5 sano |
Marka la iibsanayoAC Asynchronous Motor, had iyo jeer xaqiiji waxtarka taarikada oo ka fiirso wadarta qiimaha meertada nolosha (iibsiga + korontada ka badan 10-15 sano). Horumarinta hufnaanta 2% ee 100 kW matoor soconaya 6000 saacadood/sannadkii waxay badbaadisaa in ka badan 10,000 kWh sannadkii.
Isku halaynta xaaladaha adag waxay ku xidhan tahay saddex tilmaamood oo muhiim ah:
Fasalka B (130°C), Fasalka F (155°C), Fasalka H (180°C). Heerka sare waxa uu ogolaadaa heerkulka jawiga sare ama awooda culeyska.
IP23 (dib-cajin), IP54 (siigo & firdhiyo), IP55 (hoos-u-dhigid), IP66 (boos-ku-xidh & diyaarado awood leh).
IC411 ( marawaxad is-qaboojisay), IC416 (hawo-qaad xoog leh), IC410 (qasab-qaadka dabiiciga ah).
Doorashada xayndaabka saxda ah waxay ka hortagtaa fashilinta dhalmada degdega ah iyo wasakhowga dabaysha. Deegaannada boodhka leh sida maaraynta hadhuudhka ama dhirta sibidhka, dooro IP55 ama ka sareeya oo leh biraha xidhan.
Xataa rukunkaAC Asynchronous Motorwaayo aragnimada xidho. Hababka fashilka caadiga ah waxaa ka mid ah:
● Fashilka dhalmada (50% kiisaska)- Ku ogow falanqaynta gariirka iyo la socodka dhawaaqa. Dib u cusbooneysii jadwal kasta oo soo saaraha.
● Burburka dahaarka istator-ka– Waxaa keenay kulayl, koronto, ama qoyaan. Cabir caabbinta dahaarka (megger) saddexdii biloodba mar.
● Dildilaaca baarka rotor-ka (qafis dabagaalle)- Waxay u horseedaa garaaca garaaca. Lagu ogaadey iyada oo loo marayo falanqaynta saxeexa dhaqdhaqaaqa hadda (MCSA).
● Danab aan dheeli tirnayn ama hal-waji– Waxay keentaa qulqulka xad-dhaafka ah ee wejiyada hadhay. Ku rakib war-is-dhaafsi-fashil.
Dayactirka saadaalinta iyadoo la adeegsanayo sawirka kulaylka, falanqaynta spectrum gariir, iyo la socodka qayb ka mid ah dareeraha khadka tooska ah waxay kordhin kartaa nolosha matoorka wax ka badan 20 sano. Had iyo jeer u hayso matoorrada firaaqada ah ee geedi socodka muhiimka ah.
Matoorada isku dhafan waxay u wareegaan si sax ah inta jeer ee sahayda (sibitaan la'aan) waxayna u baahan yihiin kicin dibadeed ama magnets joogto ah. Matoorrada isku-dhafka ah waxay leeyihiin silbasho, iskood u bilaabay, oo way ka fudud yihiin/ka jaban yihiin wadeyaasha warshadaha intooda badan.
Si toos ah, maya. Waxaad u baahan doontaa beddele weji ama VFD oo leh wax gelin hal-waji ah. Beddelkeeda, isticmaal matoorka kicinta hal-waji-bilawga culeysyada yaryar.
Raac heerarka IEC ama NEMA (tusaale, 100L, 132S). Isku dhig dhererka usheeda dhexe, qaabka daloolka boodhka, iyo nooca flange qalabkaaga wadneed.
Sababaha suurtagalka ah: danab hoose oo joogto ah, heerkulka jawiga sare, marawaxada qaboojinta oo xidhmay, ama xidhid makaanikada ah. Ku hubi danab sahayda oo hadda ku shub mitirka xajinta.
Qodobka adeegga (SF) ayaa tilmaamaya inta culeyska xad dhaafka ah (tusaale, 1.15 = 15% ka sarreeya awoodda la qiimeeyay) matoorku wuxuu u xamili karaa si aan kala go 'lahayn isaga oo aan dhaafin xadka heerkulka.