Sikulethela amandla ukusula emhlabeni

Direct On Line (Dol) Motor yokuqalisa

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Direct On Line Starter  Indlela kuyinto indlela eyayivamile yokuqala ka Cage Induction Motor. Motor ixhunyiwe ngokusebenzisa ukuziqalela yonkana supply umnyuziki voltage.The ngqo inthanethi motor ukuziqalela kuyinto ukwakhiwa eshibhe futhi elula ukuqala motor lokungeniswa. Dol motor ukuziqalela akuyona nokukhawulela wamanje ukuqala futhi yayo ngqo ukuqala motor.The Direct On Line Motor yokuqalisa (Dol) aqukethe iqale futhi bayeke ukulawula ukushintshwa bese overload zamanje Ukuvikelwa udlulisela, osonkontileka kazibuthe kanye edluliselwe asizayo CHA & NC oxhumana

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Umgomo we-Direct On Line yokuqalisa (Dol)

Ukuze uqale, lo contactor ivaliwe, ukusebenzisa umugqa voltage okugcwele  motor  Windings. Motor ngizodonsela eliphezulu kakhulu inrush zamanje isikhathi esifushane kakhulu, amandla kazibuthe e insimbi, bese wamanje uzobe nomkhawulo Locked Rotor kwamanje motor. Motor ozokhula ikhiyiwe Rotor Torque futhi baqala ukusheshisa maqondana isivinini igcwele.

Njengoba imoto ngesivinini, lamanje uzoqala ukulahla, kodwa ngeke lehle kakhulu kuze kube imoto kuyinto ngesivinini, ngokuvamile mayelana 85% isivinini undiza. Langempela kokuqala ijika lwamanje umsebenzi we design motor, futhi voltage esibulalayo, futhi ngokuphelele esizimele umthwalo motor.

Umthwalo motor sizothinta Isikhathi motor ukusheshisa yesivinini okugcwele ke isikhathi okusezingeni eliphezulu sokuqala zamanje, kodwa hhayi kahle ubukhulu baleso starting zamanje.

Kuncike torque akhiwa motor idlula torque umthwalo nhlobo ngesivinini ngesikhathi umjikelezo isiqalo, motor uyofinyelela isivinini igcwele. Uma torque ezithunyelwe nge motor ingaphansi torque engu umthwalo ngasiphi isivinini ngesikhathi umjikelezo isiqalo, motor ngeke iyeka kuyashesha. Uma torque eziqala ukuziqalela Dol alwanele ngoba umthwalo, motor kufanele esikhundleni motor ezingasetshenziswa ukuthuthukisa ephakeme sokuqala torque engu.

Torque ukusheshisa torque akhiwa motor lokususa torque umthwalo, futhi izoshintsha njengoba motor ngesivinini ngenxa ijubane motor torque engu ijika futhi ijubane umthwalo torque engu ijika. Isikhathi sokuqala luncike torque ukushesha kanye inertia umthwalo.

Dol sokuqala libe nenani isiqalo wamanje kanye esiphezulu isiqalo torque engu.

Lokhu kungabangela inkinga kagesi kanye supply, noma kungase kubangele nenkinga ethile umthwalo enophephela. Ngakho lokhu kuzoba kuhlalwe abasebenzisi supply umugqa, njalo uhlangabezana iconsi voltage lapho ukuqala imoto. Kodwa uma lokhu motor akuyona yamandla aphezulu okukodwa akuphazamisi kakhulu.

Izinzuzo Dol yokuqalisa

  1. operation elula
  2. izindleko eziphansi
  3. yesondlo kancane
  4. ukwakhiwa elula ukufakwa lula.

Izingxenye Dol Yokuqala

Contactors & Ikhoyili

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 Contactors Magnetic  ezisebenza electromagnetically ukushintsha ukuthi kube yindlela ephephile futhi evumelana nokuxhuma kokuphazamisa izifunda legatsha.

Magnetic motor abalawuli zisebenzisa amandla kagesi yokuvala ukushintshwa. I electromagnet siqukethe ikhoyili wire isifakwa core yensimbi. Lapho ukugeleza wamanje ngokusebenzisa ikhoyili, insimbi kukazibuthe kuba uzibuthe, edonsa i bar yensimbi ebizwa ngokuthi armature. Kokuphazamiseka ukugeleza wamanje ngokusebenzisa ikhoyili wire kubangela armature ukuba baphume ngenxa yokuba khona i igebe emoyeni phezu kwengungu kazibuthe.

Line-voltage kazibuthe motor temusho amadivayisi electromechanical ukuthi kube yindlela ephephile, elula, futhi ukonga ukuqala futhi ephumula izinjini, futhi sethubeni kuyalawulwa ukude. Kwenqwaba omkhulu motor abalawuli athengisiwe kungama yalolu hlobo.

Contactors ngokuyinhloko asetshenziswa ukulawula imishini esebenzisa motors kagesi. Siqukethe ikhoyili kuxhumene umthombo voltage. Isikhathi esining impela Sabazalwane isigaba Motors, 230V ohlobo asetshenziswa futhi ezintathu isigaba izinjini, 415V ohlobo asetshenziswa. I contactor has ezintathu eziyinhloko CHA oxhumana namandla ukalwe oxhumana wokuba omncane okuthiwa njengoba Oxhumana Asizayo [CHA futhi NC] esetshenziselwa circuit control. Oxhumana naye uqhuba metal izingxenye okuyinto ucedzela noma ukuphazamisa uhlelo wesifunda kagesi.

· CHA-ngokuvamile evulekile

· NC-ngokuvamile ivaliwe

Ngokuhamba Layisha edluliselwe (Ukuvikelwa Ngokweqile)

Ukuvikelwa Ngokweqile i motor kagesi kubalulekile ukuvikela nokutubeka nokuqinisekisa esiphezulu yokusebenza ukuphila.

Ngaphansi yimuphi umbandela sindisa, nenjini udonsa zamanje ngokweqile esibangela okweqile. Njengoba imoto emazombezombe ukwahlukanisa liwohloka ngenxa okweqile, lapho amiswa imikhawulo motor okushisa ezisebenza ukuvikela nenjini okweqile. Ngokweqile udlulisela baqashwe ku control motor ukuze silinganisela zamanje uyalingana.

I edluliselwe sindisa alinikezi iDemo Ukuvikelwa wesifunda. Lona umsebenzi phezu imishini zamanje zokuzivikela efana fuses nowesifunda amadlambi, ngokuvamile itholakala Ukunqamula ukuxhuma inkinobho ebiyelwe.

I ekahle futhi elula indlela Ukuvikelwa sindisa ngoba injini liyisici zamanje-abathola izakhiwo okufana kakhulu bafudumale ijika we motor okwakuyoholela isinyathelo ukuvula wesifunda motor lapho esigcwele umthwalo lamanje weqiwe. Ukusebenza kwethuluzi lesivikelo kufanele lube sezingeni elingenza motor uvunyelwe ukuba athwale imithwalo phezu-ayinangozi kodwa ngokushesha asuswe umugqa lapho-sindisa uye yaqhubeka isikhathi eside kakhulu.

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Ngokuvamile fuses ayakhelwe ukuba isivikelo sindisa. Fuse ivikela ngokumelene izifunda emifushane (phezu Ukuvikelwa lamanje). Motors ukudweba zamanje inrush okusezingeni eliphezulu uma iqala futhi fuses ezivamile, ayikho indlela yokwehlukanisa phakathi kwale yesikhashana nabangenacala inrush zamanje kanye overload elimazayo. Ukukhethwa Fuse kuyinto zincike motor esigcwele umthwalo zamanje, ingabe 'sishaye "njalo motor iqalisiwe. Ngakolunye uhlangothi, uma fuse ababekhethiwe enkulu ngokwanele ukuba kudlule starting noma inrush zamanje, kwakungeke ukuvikela motor ngokumelene encane, overloads yingozi okungase kwenzeke ngokuhamba kwesikhathi.

I edluliselwe ngokweqile inhliziyo Ukuvikelwa motor. It has ephambene-uhambo esigcwele izici, zokukuvumela ukuba ngiyibambe ngesikhathi kuyashesha (lapho inrush zamanje idwetshwa), kodwa ekuvikeleni ku overloads encane ngenhla wamanje esigcwele umthwalo lapho injini isebenza. Ngokweqile udlulisela avuselelwa futhi zingamelana uhambo ngokuphindaphindiwe futhi kabusha imijikelezo ngaphandle isidingo of esikhundleni. Ngokweqile udlulisela ayikwazi Nokho, ukuthatha indawo phezu imishini zamanje Ukuvikelwa.

I edluliselwe sindisa siqukethe iyunithi wamanje-abathola exhunywe lozalo motor, plus indlela, actuated yi abathola iyunithi, esebenza, ngokuqondile noma ngokungaqondile, ukuphula circuit.

Ngokweqile udlulisela kungenziwa labizwa ngokuthi kokuba ezishisayo, uzibuthe, noma i-electronic:

  1. Edluliselwe Thermal : Njengoba leli gama lisikisela, ezishisayo sindisa udlulisela ancike okwandayo namazinga okushisa aphakeme okubangelwa  zamanje sindisa  ukuba akhubeke mshini sindisa. Thermal sindisa udlulisela kungenziwa olunye selihlukene laba izinhlobo ezimbili: encibilika ingxubevange futhi bimetallic.
  2. Edluliselwe Magnetic : Magnetic sindisa udlulisela basabela kuphela ukweqisa amanje nawesikhathi engabathinti lokushisa.
  3. Electronic edluliselwe:  Electronic noma okuqinile-isimo sindisa udlulisela, ukunikeza inhlanganisela uhambo ngesivinini esikhulu, nokulungiseka, futhi kalula ukufakwa. Zingaba ekahle izicelo eziningi eqondile.

Wiring ka Dol yokuqalisa

1. Main Imininingwane

  • Contactor ixhuma phakathi Supply Voltage, edluliselwe Ikhoyili futhi Ngokweqile Thermal edluliselwe.
  • L1 ka contactor Connect (NO) R Isigaba ngokusebenzisa MCCB
  • L2 ka contactor Connect (NO) Y Isigaba ngokusebenzisa MCCB
  • L3 ka contactor Connect (NO) B Isigaba ngokusebenzisa MCCB.

CHA Imininingwane (- || -):

  • (13-14 noma 53-54) kuyinto CHA ngokuvamile Vula oxhumana naye (uvala lapho edluliselwe anika)
  • Contactor Point 53 ixhuma ku Qala Inkinobho Point (94) kanye no 54-Point of contactor ixhunywe wire Elivamile Qala / Stop Inkinobho.

Imininingwane NC (- | / | -):

  • (95-96) is ngokuvamile ivaliwe NC yothintana naye (kuvula lapho uhambo overloads ezishisayo uma ehambisana ne-block sindisa)

2. edluliselwe Ikhoyili Uxhumano

  • A1 ka edluliselwe Ikhoyili ixhuma kunoma Supply Isigaba sokuqala futhi A2 ixhuma ku Thermal phezu NC Connection Layisha edluliselwe sika (95).

3. Thermal Ngokweqile edluliselwe Connection:

  • T1, T2, T3 kuthiwa ukuxhuma Thermal Ngokweqile edluliselwe
  • Ngokweqile edluliselwe is Ixhuma phakathi Main contactor futhi Motor
  • NC yoxhumano (95-96) ka Thermal Ngokweqile edluliselwe ixhuma ku Stop Inkinobho kanye Connection Elivamile Qala / Stop Inkinobho. 

Post time: Aug-13-2018

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