Cov ntawv thov kev lag luam cia siab rau cov motors los khiav cov tshuab xws li twj, kiv cua, thiab conveyors. Siemens VFD (Variable Frequency Drive) yog ib qho cuab yeej uas tswj kev ceev ntawm cov motors. Nws pab txuag hluav taws xob, txo lub tshuab hnav, thiab ua kom muaj kev ua haujlwm zoo dua. Tab sis nrog ntau txoj kev xaiv muaj, xaiv txoj cai Siemens VFD rau koj daim ntawv thov kev lag luam tuaj yeem ua rau tsis meej pem. Cov lus qhia no yuav taug kev koj los ntawm cov kauj ruam yooj yim, ua tau zoo los xaiv Siemens VFD zoo meej, nrog cov lus qhia meej thiab qhov tseeb raws li Siemens 'trusted industrial experts. Peb tseem yuav npog cov ntsiab lus tseem ceeb kom ntseeg tau tias koj Siemens VFD haum rau koj cov kev xav tau, los ntawm hom thauj mus rau ib puag ncig. Txawm hais tias koj tshiab rau Siemens VFDs lossis tab tom nrhiav kev txhim kho, qhov blog no yuav pab koj xaiv qhov ntse.
Siemens VFD yog dab tsi, thiab Vim Li Cas Nws Tseem Ceeb rau Kev Siv?
Ua ntej, cia peb nkag siab tias Siemens VFD yog dab tsi. VFD (luv luv rau Variable Frequency Drive) yog ib qho khoom siv hluav taws xob uas hloov qhov zaus thiab qhov hluav taws xob nkag mus rau lub tshuab hluav taws xob. Qhov no cia koj tswj lub cev muaj zog thiab torque (lub zog nws siv los khiav) es tsis txhob cia nws khiav ntawm qhov nrawm txhua lub sijhawm. Siemens yog tus thawj coj thoob ntiaj teb hauv kev lag luam thev naus laus zis, thiab lawv Siemens VFDs paub txog kev ntseeg tau, ua haujlwm ntev, thiab lub zog- txuag nta. Xaiv txoj cai Siemens VFD tseem ceeb vim nws ua kom koj lub tshuab ua haujlwm zoo, txuag koj cov nyiaj hluav taws xob, thiab txuas ntxiv lub neej ntawm koj cov khoom siv. Kev xaiv Siemens VFD tsis ncaj ncees tuaj yeem ua rau muaj kev puas tsuaj ntau zaus, cov nqi hluav taws xob ntau dua, thiab kev kho tus nqi kim. Tias yog vim li cas siv sijhawm los xaiv txoj cai Siemens VFD yog qhov tseem ceeb rau txhua daim ntawv thov kev lag luam.
Ib lo lus nug feem ntau yog: "Qhov twg Siemens VFD zoo tshaj rau kuv lub Hoobkas me?" Cov lus teb nyob ntawm koj qhov kev xav tau tshwj xeeb, tab sis peb yuav rhuav tshem nws ib kauj ruam zuj zus. Peb tseem yuav hais txog cov ntsiab lus tseem ceeb thiab cov lus qhia los ua kom cov txheej txheem yooj yim dua, txawm tias koj tsis yog tus kws tshaj lij hauv Siemens VFDs. Nco ntsoov, lub hom phiaj yog nrhiav Siemens VFD uas phim koj daim ntawv thov cov cai- tsis muaj dab tsi ntxiv, tsis muaj dab tsi tsawg dua.
Kauj Ruam 1: Nkag siab koj cov kev xav tau ntawm Daim Ntawv Thov Kev Lag Luam
Thawj kauj ruam tseem ceeb tshaj plaws los xaiv txoj cai Siemens VFD yog kom paub koj daim ntawv thov sab hauv. Koj siv lub tshuab twg Siemens VFD rau? Nws xav tau lub zog npaum li cas? Teb cov lus nug no yuav txo qis koj cov kev xaiv thiab pab koj kom tsis txhob xaiv Siemens VFD uas loj dhau (thiab kim) lossis me dhau (thiab tsis muaj txiaj ntsig). Cia peb faib qhov no mus rau hauv ob qhov tseem ceeb.
Txiav txim siab koj hom Load
Qhov "load" yog txoj haujlwm uas koj lub cev muaj zog ua-xws li siv dej, txav lub conveyor, lossis tshuab cua nrog kiv cua. Muaj ob hom kev thauj khoom loj, thiab txhua tus xav tau ntau yam ntawm Siemens VFD: qhov sib txawv ntawm lub zog torque thiab lub zog tas li. Qhov sib txawv ntawm lub zog torque (xws li cov twj, kiv cua, thiab tshuab tshuab) xav tau lub zog tsawg dua thaum lawv khiav ntawm qeeb qeeb. Siemens VFD rau kev lag luam twj yog zoo meej rau qhov no, vim nws tuaj yeem kho ceev kom haum rau lub nra thiab txuag lub zog. Siemens VFDs zoo li SINAMICS V20 yog qhov zoo tagnrho rau qhov sib txawv ntawm qhov sib txawv vim tias lawv muaj lub zog-txuag nta xws li kev ua kom zoo dua qub. Tsis tu ncua torque loads (xws li conveyors, mixers, thiab extruders) xav tau tib tus nqi zog txawm tias lawv khiav ceev npaum li cas. Rau cov no, koj yuav xav tau Siemens VFD nrog ntau lub zog thiab tswj lub zog zoo dua, zoo li SINAMICS G120.
Piv txwv li, yog tias koj khiav lub chaw kho dej nrog lub twj tso kua mis, Siemens VFD rau cov twj muaj (xws li SINAMICS V20) yuav ua haujlwm zoo. Nws tuaj yeem ua rau lub twj tso kua mis qeeb thaum xav tau dej tsawg, txiav lub zog siv txog li 70% piv rau kev khiav lub cev muaj zog ntawm kev ceev txhua lub sijhawm. Yog tias koj muaj lub conveyor uas txav lub thawv hnyav, Siemens VFD muaj zog dua (zoo li SINAMICS G120) yuav tuav lub zog tas li yam tsis muaj cua sov.
Xam qhov xav tau lub zog thiab qhov hluav taws xob
Tom ntej no, koj yuav tsum paub ntau npaum li cas lub zog koj lub cev muaj zog siv - qhov no hu ua nws "horsepower (HP)" lossis "kilowatt (kW)" kev ntaus nqi. Koj tuaj yeem pom cov ntaub ntawv no ntawm lub tshuab lub npe. Koj Siemens VFD yuav tsum muaj lub zog ntsuas qhov sib tw lossis siab dua me ntsis ntawm koj lub cev muaj zog. Yog tias koj xaiv Siemens VFD nrog lub zog tsawg dua koj lub cev muaj zog, nws yuav dhau los ua kom sov thiab tawg sai sai. Piv txwv li, yog tias koj lub cev muaj zog yog 7.5 kW (kwv yees li 10 HP), 7.5 kW Siemens VFD zoo li SINAMICS V20 6SL3210-5BE27-5CV0 yog qhov haum zoo - nws tau tsim los rau qib zog ntawd thiab tuaj yeem ua haujlwm luv luv txog li 15%.
Koj kuj yuav tsum tau xyuas qhov voltage ntawm koj cov khoom siv fais fab. Feem ntau cov chaw tsim khoom siv 230V (ib zaug-theem) lossis 480V (peb-theem) lub zog. Siemens VFDs tuaj nyob rau hauv ob qho kev xaiv voltage, yog li nco ntsoov xaiv ib qho uas phim koj cov khoom. SINAMICS V20 muaj nyob rau hauv ob qho tib si -theem 230V thiab peb-theem 380-480V qauv, ua rau nws hloov tau rau ntau daim ntawv thov. Cov kauj ruam no yog qhov tseem ceeb rau yuav ua li cas loj Siemens VFD kom raug-sizing nws txoj cai kom nws ua haujlwm nyab xeeb thiab ua tau zoo.
Kauj Ruam 2: Paub cov ntsiab lus tseem ceeb ntawm Siemens VFDs
Thaum koj paub koj daim ntawv thov kev xav tau, nws yog lub sijhawm los saib cov lus qhia tshwj xeeb ntawm Siemens VFDs sib txawv. Cov lus qhia tshwj xeeb yog cov ntsiab lus kev qhia uas qhia koj tias Siemens VFD ua haujlwm li cas thiab nws tuaj yeem ua li cas. Tsom ntsoov rau cov ntsiab lus tseem ceeb no txhawm rau xaiv txoj cai-lawv yuav ua kom koj Siemens VFD sib haum nrog koj lub cev muaj zog thiab daim ntawv thov.
Voltage thiab Frequency Range
Raws li peb tau hais ua ntej, qhov voltage yog qhov tseem ceeb. Siemens VFDs yog tsim rau cov qib sib txawv, los ntawm qis-voltage (230V, 480V) mus rau nruab nrab-voltage (1.4–13.8 kV) rau cov tshuab loj loj. Feem ntau cov chaw tsim khoom me thiab nruab nrab siv tsawg -voltage Siemens VFDs. Qhov ntau zaus ( ntsuas hauv Hertz, Hz) qhia koj sai npaum li cas Siemens VFD tuaj yeem ua rau lub cev muaj zog. Feem ntau Siemens VFDs muaj ntau zaus ntawm 0-60 Hz, uas zoo meej rau cov qauv kev lag luam. Qee cov qauv, zoo li SINAMICS G120, tuaj yeem mus siab dua rau cov ntawv thov tshwj xeeb.
Kev tiv thaiv nta
Kev lag luam ib puag ncig tuaj yeem ua rau hnyav, yog li koj Siemens VFD xav tau kev tiv thaiv nta kom nyob nyab xeeb. Saib rau Siemens VFD nrog cov kev tiv thaiv tseem ceeb no: kev tiv thaiv overload (tiv thaiv overheating yog tias lub cev muaj zog ua haujlwm hnyav), luv - tiv thaiv Circuit Court (tso kev puas tsuaj los ntawm hluav taws xob luv), thiab kev tiv thaiv thermal (tso VFD yog tias nws kub dhau). Lub SINAMICS V20 tau tsim- hauv kev tiv thaiv overload thiab ua tau - hauv chav nres tsheb rau cov qauv me me, thaum lub SINAMICS G120 muaj kev tiv thaiv zoo xws li kev nyab xeeb torque tawm (STO), uas nres lub cev muaj zog thaum muaj xwm txheej ceev. Cov yam ntxwv no txuas ntxiv lub neej ntawm koj Siemens VFD thiab tiv thaiv kev poob qis.
Kauj ruam 3: Xav txog ib puag ncig ntawm koj daim ntawv thov
Ib puag ncig uas koj Siemens VFD yuav raug teeb tsa ua lub luag haujlwm loj hauv koj xaiv. Kev lag luam ib puag ncig tuaj yeem kub, plua plav, av noo, lossis vibrating-tag nrho cov no tuaj yeem ua rau Siemens VFD puas yog tias nws tsis tsim rau cov xwm txheej ntawd. Xaiv Siemens VFD uas haum rau koj ib puag ncig yuav ua kom nws kav ntev dua thiab ua haujlwm tau zoo.
Kub thiab av noo
Feem ntau Siemens VFDs ua haujlwm zoo tshaj plaws nyob rau hauv qhov kub thiab txias ntawm -10℃thiab 50℃(14℃F thiab 122℃F)-qhov no yog rooj plaub rau SINAMICS V20, uas yog tsim los tswj hnyav kev lag luam kub. Yog tias koj lub Hoobkas kub heev (xws li lub chaw tsim hlau) lossis txias heev (xws li lub chaw sab nraum zoov thaum lub caij ntuj no), koj yuav xav tau Siemens VFD nrog qhov kub thiab txias dua. Humidity yog lwm yam - cov dej noo ntau dhau tuaj yeem ua rau hluav taws xob luv. Saib rau Siemens VFD nrog IP siab (Ingress Protection) ntsuas rau cov av noo, zoo li IP54, uas ua rau cov plua plav thiab dej txaws.
Plua plav thiab kev vibration
Cov plua plav thiab cov khib nyiab tuaj yeem thaiv qhov chaw sab hauv ntawm Siemens VFD thiab ua rau kub dhau. Yog tias koj daim ntawv thov nyob rau hauv qhov chaw muaj plua plav (xws li cov nroj tsuag cement lossis khw muag ntoo), xaiv Siemens VFD nrog lub kaw lus kaw (siab IP ntsuas) kom tsis txhob muaj plua plav tawm. SINAMICS V20 muaj qhov ntsuas IP20 rau kev siv sab hauv tsev, tab sis koj tuaj yeem ntxiv cov npog tiv thaiv rau thaj tsam plua plav. Kev vibration (los ntawm cov tshuab xws li compressors lossis mills) tuaj yeem xoob cov xov hlau thiab cov khoom puas. Saib rau Siemens VFD uas tau tsim los tswj kev vibration, lossis mount rau ntawm qhov chaw ruaj khov kom txo qis kev txav mus los.
Kauj ruam 4: Sib piv cov qauv Siemens VFD sib txawv
Siemens ua ntau yam ntawm VFDs, txhua tus tsim los rau kev siv sib txawv. Ob qhov kev siv ntau tshaj plaws rau kev lag luam yog SINAMICS V20 (pib, kev lag luam) thiab SINAMICS G120 (advanced, ntau yam). Sib piv cov qauv no yuav pab koj nrhiav tau qhov zoo tshaj plaws Siemens VFD rau koj cov kev xav tau-txawm koj xav tau ib qho yooj yim, pheej yig xaiv los yog muaj zog, muaj nuj nqi- nplua nuj.
Siemens VFD V20 rau Basic Applications
Siemens VFD V20 yog ib qho kev nkag tau -theem, kev lag luam qauv zoo meej rau cov ntawv thov kev lag luam yooj yim. Nws yog tsim los rau me me mus rau nruab nrab motors (0.12 kW mus rau 30 kW) thiab yog ib qho yooj yim rau nruab thiab siv -koj tuaj yeem teeb tsa nrog cov tsim ua - hauv kev tswj vaj huam sib luag yam tsis muaj software tshwj xeeb. Nws yog qhov zoo tagnrho rau qhov sib txawv torque loads xws li twj, kiv cua, thiab conveyors, ua rau nws zoo tshaj Siemens VFD qauv rau me me motors thiab me me factories. Lub V20 muaj lub zog-txuag nta, qhov kub thiab txias ntau yam, thiab cov yam ntxwv tiv thaiv yooj yim, tab sis nws tsis muaj kev tswj hwm qib siab xws li vector tswj lossis siab -kev xaiv kev sib txuas lus kawg (nws tsuas yog txhawb Modbus RTU thiab USS raws tu qauv). Yog tias koj xav tau qhov yooj yim, txhim khu kev qha, thiab pheej yig Siemens VFD, V20 yog qhov kev xaiv zoo.
Siemens VFD G120 rau Advanced Applications
Siemens VFD G120 yog qhov dav dav - lub hom phiaj, tus qauv siab heev rau kev siv ntau yam kev lag luam. Nws tuav ntau lub zog ntau dua (0.37 kW txog 250 kW) thiab txhawb nqa vector tswj, uas muab cov kev ceev ceev thiab lub zog tswj kom tsis tu ncua torque loads xws li conveyors thiab mixers. Nws muaj ntau txoj kev sib txuas lus, suav nrog PROFINET thiab PROFIBUS, yog li nws tuaj yeem koom ua ke nrog lwm cov tshuab ua haujlwm automation (xws li PLCs) yooj yim. G120 kuj muaj cov yam ntxwv tiv thaiv zoo li STO thiab hloov tau yooj yim rau kev hloov kho. Yog tias koj daim ntawv thov xav tau kev tswj xyuas meej, lub zog siab, lossis kev koom ua ke nrog lwm lub tshuab, G120 zoo dua li V20. Qhov kev sib piv no yuav pab koj nkag siab Siemens VFD V20 vs G120 rau kev siv hauv kev lag luam- xaiv raws li qhov yooj yim lossis nyuaj npaum li cas koj xav tau.
Kauj Ruam 5: Tshawb xyuas kev them nyiaj yug thiab tu rau Siemens VFDs
Txawm tias qhov zoo tshaj plaws Siemens VFD xav tau kev saib xyuas tsis tu ncua kom khiav zoo, thiab koj yuav xav tau kev pab nrog kev teeb tsa lossis kev daws teeb meem. Xaiv Siemens VFD nrog kev txhawb nqa zoo thiab kev saib xyuas yooj yim yuav txuag koj lub sijhawm thiab kev ntxhov siab hauv kab. Siemens yog ib hom kev ntseeg siab, yog li koj tuaj yeem suav rau lawv cov kev txhawb nqa, tab sis nws tseem ceeb heev uas yuav tsum tau xyuas seb muaj dab tsi.
Kev txhawb nqa los ntawm Siemens
Siemens muab kev txhawb nqa thoob ntiaj teb rau lawv cov VFDs, suav nrog kev qhia online, kev txhawb nqa xov tooj, thiab cov chaw pabcuam hauv zos. Yog tias koj muaj lus nug txog kev txhim kho lossis siv koj Siemens VFD, koj tuaj yeem nkag mus rau lawv qhov chaw txhawb nqa kev lag luam hauv online lossis hu rau tus kws tshaj lij kom pab. Qee cov qauv Siemens VFD kuj tuaj nrog kev lees paub, uas suav nrog kev kho lossis hloov pauv yog tias muaj qee yam tsis raug. Nco ntsoov xyuas qhov ntev warranty thaum xaiv koj Siemens VFD- feem ntau tuaj nrog 1-2 xyoo warranty, tab sis koj tuaj yeem txuas ntxiv rau kev thaj yeeb nyab xeeb ntxiv.
Cov lus qhia txog kev tu txhua hnub
Kev saib xyuas tsis tu ncua ua kom koj Siemens VFD ua haujlwm zoo. Cov dej num yooj yim xws li ntxuav lub qhov rooj (kom tshem tawm cov plua plav), xyuas cov xov hlau rau kev sib txuas xoob, thiab kev ntsuas kub tuaj yeem tiv thaiv kev tawg. SINAMICS V20 thiab G120 yog tsim los rau kev saib xyuas yooj yim-lawv cov ntaub ntawv qhib tau yooj yim, thiab koj tuaj yeem tshawb xyuas cov xwm txheej nrog cov tsim - hauv vaj huam sib luag. Rau Siemens VFD cov lus qhia kev teeb tsa rau cov chaw tsim khoom, nco ntsoov mount VFD hauv qhov dej - qhov cua kom deb ntawm qhov chaw sov thiab kev co. Koj yuav tsum tau cob qhia koj cov neeg ua haujlwm kom kuaj xyuas Siemens VFD tsis tu ncua, lossis ntiav pab pawg saib xyuas yog tias koj tsis muaj nyob hauv - cov kws tshaj lij hauv tsev.
Cov Lus Qhia Kawg rau Kev Xaiv Txoj Cai Siemens VFD
Txhawm rau qhwv, xaiv txoj cai Siemens VFD rau koj daim ntawv thov kev lag luam tsis tas yuav nyuaj. Ua raws li cov kauj ruam no: nkag siab txog koj qhov kev xav tau ntawm kev thauj khoom thiab lub zog, tshawb xyuas Siemens VFD cov lus qhia tshwj xeeb, xav txog koj ib puag ncig, piv cov qauv (xws li V20 vs G120), thiab tshawb xyuas kev txhawb nqa thiab kev saib xyuas. Nco ntsoov cov lus qhia zaum kawg no los xaiv qhov zoo tshaj plaws:
- Tsis txhob overbuy: Xaiv Siemens VFD uas phim koj cov kev xav tau, tsis yog tus qauv kim dua nrog cov yam ntxwv koj yuav tsis siv. Rau cov twj yooj yim lossis kiv cua, V20 txaus-txuag G120 rau cov ntawv thov nyuaj.
- Ua ntej kev ntseeg siab: Siemens VFDs paub txog kev ua haujlwm ntev, tab sis nco ntsoov xaiv ib qho uas muaj kev tiv thaiv zoo rau koj ib puag ncig (xws li plua plav lossis cua sov).
- Thov kev pab: Yog tias koj tsis paub meej, hu rau Siemens kev txhawb nqa lossis ib lub chaw tsim khoom hauv zos. Lawv tuaj yeem pab koj loj koj Siemens VFD thiab xaiv tus qauv zoo.
Siemens VFD yog ib qho kev nqis peev ntev - rau koj daim ntawv thov kev lag luam. Xaiv qhov yog yuav txuag koj nyiaj ntawm lub zog, txo qis sijhawm, thiab txuas ntxiv lub neej ntawm koj lub tshuab. Txawm hais tias koj xav tau Siemens VFD rau kev lag luam twj, lub cev muaj zog me me, lossis lub tshuab xa khoom loj, ua raws li phau ntawv qhia no yuav pab koj xaiv qhov zoo tshaj plaws.
Xaus
Xaiv txoj cai Siemens VFD rau koj daim ntawv thov kev lag luam yog ib kauj ruam tseem ceeb los ua kom muaj kev ua haujlwm zoo, txhim khu kev qha. Los ntawm kev nkag siab koj daim ntawv thov cov kev xav tau, paub txog cov ntsiab lus tseem ceeb ntawm Siemens VFDs, xav txog koj ib puag ncig, sib piv cov qauv, thiab kuaj xyuas kev txhawb nqa thiab kev saib xyuas, koj tuaj yeem xaiv qhov kev ntseeg siab. Siemens VFDs ntseeg tau los ntawm cov neeg siv khoom lag luam thoob ntiaj teb rau lawv qhov ua tau zoo thiab kev ua tau zoo-txawm tias koj xaiv qhov yooj yim V20 lossis qib siab G120, koj tau txais cov khoom lag luam uas yuav pab koj txoj kev lag luam zoo dua.
Nco ntsoov, qhov zoo tshaj plaws Siemens VFD yog qhov haum rau koj cov kev xav tau tshwj xeeb. Siv sijhawm los ntsuas koj daim ntawv thov, siv cov lus qhia hauv qhov blog no, thiab tsis txhob yig mus cuag Siemens kom pab. Nrog rau txoj cai Siemens VFD, koj yuav txuag lub zog, txo kev kho, thiab ua kom koj lub tshuab ua haujlwm zoo rau xyoo tom ntej.
