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Direct On Line (DOL) Motor starter

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Direct On Line starter  Habka waa hab caadi ah ee laga bilaabo of Cage Induction Motor. Motor ayaa ku xiran yahay iyada oo bilowga ah ee guud ahaan sahayda buuxda voltage.The toos motor ka heleynin online waa dhismaha ugu jaban iyo mid fudud si ay u bilaabaan motor induction ah. DOL heleynin motor aan yareysey hadda laga bilaabo iyo si toos ah u bilaw motor.The Direct On Line Motor starter (DOL) waxay ka kooban yihiin bilowga iyo joojin daaro gacanta waxayna cuslaynaysaa Relays ilaalinta ee hadda, qandaraaslayaasha magnetic la Relay kaabayaal NO & NC xiriirada

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Mabda'a Direct On Line starter (DOL)

Si aad u bilowdo, contactor xiran yahay, codsanaya danab xadhig buuxana wuu ka  motor  windings. Motor ayaa soo jiidi doonaa inrush hadda aad u dheer in muddo aad u gaaban, oo duurka ku magnetic ee birta ah, ka dibna haatan u hadda Rotor xirantay of motor la xadidaa, waxaana. Motor IYO HORUMARINTA qufulan Rotor Xuddunta iyo bilaabaan inay dardar dhinaca xawaaraha buuxa.

Sida motor ku dedejisaa, hadda bilaabi doonaan in ay hoos u, laakiin aan si weyn u da'a doonaa ilaa motor waa xawaare sare, sida caadiga ah ku saabsan 85% ka mid ah xawaaraha synchronous. Upka qalooca dhabta ah hadda waa shaqo ah design motor ah, oo danab ku terminal, iyo gebi ahaanba waa ka madax banaan load motor ah.

load motor ayaa saameyn ku yeelan doonin waqti u qaatay, waayo, motor si loo dardar-xawaaraha buuxa oo sidaas daraaddeed muddada bilaabo hadda sare, laakiin aan baaxadda bilaabo hadda.

Bixiso Xuddunta horumartay by motor ka badan Xuddunta load at dhan xawaaraha lagu jiro wareegga bilowga ah, motor ka gaari doonaa xawaaraha buuxa. Haddii Xuddunta samatabbixiyey by motor ka yar yahay Xuddunta ah ee load ee xawaaraha kasta inta lagu jiro wareegga bilowga, motor ku doonaa joojiyo hi. Haddii Xuddunta ah laga bilaabo bilowga DOL ah waa ku filan, waayo, load ah, motor waa in la bedelaa motor ah oo horumarin karaan Xuddunta ah laga bilaabo sare.

Xuddunta dardargelinta waa Xuddunta horumartay by motor ka jaray Xuddunta load ah, wuxuuna beddeli doonaa sida motor ku dedejisaa sabab u qalooca Xuddunta xawaaraha baabuurta iyo qalooca Xuddunta xawaaraha load ah. waqtiga bilowga ku xiran yahay Xuddunta dardargelinta iyo tiiro load ah.

DOL bilaabo leeyihiin ugu badnaan bilowga hadda iyo Xuddunta bilowga ugu badnaan.

Tani waxay keeni kartaa dhibaato koronto la siin, ama waxay keeni kartaa dhibaato farsamo leh load kacsan. Sidaas tani waxay noqon doontaa xanibayo ee isticmaala of line sahayda, mar walba la kulmaan dhibic danab marka laga bilaabo motor ah. Laakiin haddii motor tani ma aha mid awood sare uusan saamayn ku lahayn badan.

Faa'iidooyinka DOL starter

  1. qalliin fudud
  2. qiime jaban
  3. dayactirka yar
  4. dhismaha fudud iyo rakibidda fudud.

Qaybo ka mid ah DOL bilaabo

Contactors & gariiradda

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 Contactors magnetic  yihiin electromagnetically shaqeeya shido in ay bixiyaan hab ammaan ah oo ku haboon soo xirashada iyo kalagoynta wareeggeedii laan.

ilaaliyaal motor magnetic isticmaalaan tamarta electromagnetic gabagabayso shido. electromagnet wuxuu ka kooban yahay gariiradda a of silig saaray core bir ah. Marka socodka ah ee hadda marayo gariiradda, birta ah magnet ka noqdo magnetized, jiitay bar bir ah lagu magacaabo armature ah. kala go 'An socodka hadda marayo gariiradda ee xarigga sababa armature in ay ka soo da'a, ay sabab u tahay jiritaanka farqiga hawada ah Bannaanka magnetic.

Line-danab motor magnetic bilaabo waa qalabka korontada in ay bixiyaan hab amaan ah, haboon, iyo dhaqaale ee laga bilaabo iyo joojinta matoorrada, oo waxay leeyihiin faa'iido ah ee la hago. bulk weyn ee ilaaliyaal motor iibin yihiin noocan ah.

Contactors waxaa badanaa loo isticmaalaa si loo xakameeyo mishiinada kaas oo isticmaala matoorrada korontada. Waxay ka kooban tahay gariiradda ah oo isku xira in il danab a. Inta badan for Motors wajiga Single, gariiradda 230V waxaa loo isticmaalaa oo saddex matoorrada wajiga, gariiradda 415V waxaa loo isticmaalaa. contactor wuxuu leeyahay seddex xiriirada NO ugu weyn iyo yar xiriir xoog lagu qiimeeyo magacaabay Xiriir darran [NO iyo NC] loo isticmaalo circuit gacanta. la xiriir A ayaa sameynaya qaybo bir ah oo dhameystiraya ama kala go'do circuit koronto.

· NO-caadi ah u furan

· NC-caadi ah u xiran

In ka badan Relay Load (ilaalinta dollar)

ilaalinta dollar, waayo, motor koronto waa lagama maarmaan si looga hortago gubanayo iyo si loo hubiyo in nolosha hawlgalka ugu badnaan.

Under xaalad kasta oo dollar, motor a barbaro hadda xad-dhaaf ah oo keena kulayl. Tan iyo motor fuuli jiray ningax dilaacda ay sabab u tahay kulayl, waxaa la aasaasay xadka on motor heerkulka ka hawlgala in motor ka kululaado ilaaliyo. Relays dollar shaqeeya on gacanta motor ah in la xaddido lacagta ee hadda barbaro.

Relay dollar ma siiyo badbaado circuit gaaban. Tani waa shaqo ka badan qalabka ilaalinta ee hadda sida fiyuusyada iyo mawjadaha circuit, guud ahaan ku yaalla xero ku biiro goynta ah.

Habka ugu fiican oo sahlan ee ilaalinta dollar, waayo, motor waa element la guryaha hadda-Satlaytaka aad ula mid qalooca kululaynta of motor taas oo u dhaqmi lahaa si uu u furo circuit motor marka load buuxa hadda la dhaafo ah. Hawlgalka ayaa ka mid ah qalabka ilaaliya waa in sida in motor ee la oggol yahay in ay qaadaan in ka badan-xamuulka aan dhib lahayn, laakiin waxaa si deg deg ah laga saaray line marka dollar ah ayaa ku adkaystay waqti aad u dheer.

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fiyuusyada Sida caadiga ah aan loogu talagalay inay siiso ilaalin dollar. Fiyuuska waxaa ka difaacato wareeggeedii gaaban (in ka badan ilaalinta ee hadda). Motors sawiri inrush sare hadda marka la bilaabayo iyo fiyuusyada caadiga ah waxay leeyihiin jid uma sugnaanin of kala this ku meel gaar ah oo u sir la'aada inrush hadda oo dollar ah waxyeello. Selection of Fiyuus waa ku xiran motor load buuxa hadda, lahaa "afuufo" mar kasta oo sida baabuurta oo la bilaabay. Dhinaca kale, haddii fiyuuska a la doortay weyn oo ku filan in ay gudbaan bilaabo ama inrush hadda, ma ilaalin lahaa motor ka dhanka yar, overloads waxyeello dhici kara ka dib.

Relay dollar waa qalbiga ilaalinta motor. Waxay leedahay sifooyin-safar-time-bedelka, waxaa saamaxdo si uu u qabto in inta lagu jiro mudada hi (marka inrush hadda waxaa lagu sawiray), weli ilaalinaya on overloads yar kor load buuxa hadda marka motor la socda. Relays dollar waa la cusboonaysiin karo iyo adkeysan karaan safar joogto ah iyo dib wareegyo aan u baahan bedelka. Relays dollar aan, si kastaba ha ahaatee, waxay qaadan kartaa meesha ka badan qalabka ilaalinta ee hadda.

Relay dollar wuxuu ka kooban yahay unug hadda-Satlaytaka ku xiran in line si motor ah, oo lagu daray farsamo, actuated by unit Satlaytaka ah, taas oo u adeegta, si toos ah ama si dadban, in ay jebiyaan Bannaanka.

Relays dollar loo kala saari karaa sida isagoo kaamerada, magnetic, ama elektaroonik ah:

  1. Relay kaamerada : Sida magacaba ka muuqata, Relays dollar kaamerada ku tiirsan yihiin heerkulka baxna keeno  dollar hadda  jillaafo farsamo dollar ah. Relays dollar kaamerada la sii kala qaybsanyihiin karaa laba nooc: barafka daawaha iyo bimetallic.
  2. Relay magnetic : Relays dollar magnetic fal oo kaliya in ay Xadgudba hadda oo aan la saameeyeen heerkulka.
  3. Relay Electronic:  Electronic ama Relays dollar adag-state, waxay bixiyaan isku dhafan ee safar-xawaaraha sare, adjustability, iyo hufnaan rakibaadda. Waxay noqon karaan haboon in codsiyada badan oo sax ah.

Xarkaha ee DOL starter

1. Main Contact

  • Contactor waa isku dhex Supply danab, Relay gariiradda oo dollar kulul Relay.
  • L1 of Contactor Connect (MAYA) si R Wajiga dhex MCCB
  • L2 of Contactor Connect (MAYA) si Y Wajiga dhex MCCB
  • L3 of Contactor Connect (MAYA) si B Wajiga dhex MCCB.

NO Contact (- || -):

  • (13-14 ama 53-54) waa MAYA xiriir ah sida caadiga ah Open (xirtey markii Relay ee energizes)
  • Contactor Point 53 waa isku Xidhka inay bilow Point Button (94) iyo 54 Point of Contactor ku xiran silig Common ee Start / Stop Button.

NC Contact (- | / | -):

  • (95-96) waxaa sida caadiga ah la xiray NC xiriir (furmay markii safar overloads kaamerada haddii la xidhiidha block dollar ah)

2. Relay gariiradda Connection

  • A1 ee Relay gariiradda waa isku Xidhka in mid ka mid ah Supply Wajiga iyo A2 waa isku Xidhka si kulul badan Relay Load ee NC Connection (95).

3. dollar kulul Relay Connection:

  • T1, T2, T3 waxaa ku xidhmaan Relay dollar kulul
  • Dollar Relay waa Xiriirka ka dhexeeya Main Contactor iyo Motor
  • NC Connection (95-96) of kulul dollar Relay waa isku Xidhka Joogsado Button iyo Connection Common ee Start / Stop Button. 

Post time: Aug-13-2018

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