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TOSHIBA TOSVERT VF-S11 VF Control Functions Inverter Controller

Cov ntaub ntawv xov xwm hauv phau ntawv no yog muab los piav qhia txog lub luag haujlwm tseem ceeb thiab kev siv ntawm cov khoom lag luam, tab sis tsis yog muab daim ntawv tso cai rau koj siv cov cuab yeej txawj ntse lossis lwm yam cuab yeej ntawm Toshiba Schneider Inverter Corporation lossis lwm tus neeg sab nrauv. © Toshiba Schneider Inverter Corporation 2006 All rights reserved.

Xaiv hom tswj

pt : V/F tswj hom xaiv 

Muaj nuj nqi
Nrog VF-S11, V / F tswj tau qhia hauv qab no tuaj yeem xaiv.

  • V/F tsis tu ncua! Variable torque
  • Tsis siv neeg torque boost tswj * 1
  • Vector tswj * 1! Kev txuag hluav taws xob * 1
  • Dynamic zog-txuag (rau cov kiv cua thiab twj tso kua mis)
  • PM lub cev muaj zog tswj
  • Parameter teem macro torque boost: au2 parameter tuaj yeem teeb tsa qhov ntsuas no thiab nws pib-tuning ib zaug.

Kev teeb tsa Parameter

TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-1

  • Lub neej ntawd teeb tsa tus nqi nyob ntawm "Software version" thiab "Inverter hom (WN lossis WP)". [Setting V / F tswj hom xaiv rau 3 (sensorless vector tswj)]TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-2

Ceeb toom

Thaum teeb tsa V / F tswj kev xaiv qhov tsis sib xws (pt) rau ib tus lej ntawm 2 thiab 6, nco ntsoov teem caij tsawg kawg ntawm cov kev txwv hauv qab no.

(Motor-rated tam sim no): Saib lub npe ntawm lub cev muaj zog.
(Tsis muaj-load tam sim no ntawm lub cev muaj zog): Xa mus rau daim ntawv qhia txog lub cev muaj zog. (Rated rotational speed of motor): Saib lub npe ntawm lub cev muaj zog. Teem lwm qhov torque boost tsis, raws li xav tau.

  1. Cov yam ntxwv torque tas li Kev teeb tsa ntawm V / F tswj hom xaiv rau (V / F tas li) Qhov no yog siv rau cov khoom siv xws li cov khoom siv thiab cov cranes uas xav tau tib lub zog ntawm qhov qis qis raws li qhov ntsuas nrawm. TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-3
    Txhawm rau kom cov torque ntxiv, nce qhov nqi ntawm phau ntawv torque boost.
  2. Kev teeb tsa rau cov kiv cua thiab cov twj tso kua mis
    Kev teeb tsa ntawm V / F tswj hom xaiv rau (qhov sib txawv torque) Qhov no yog qhov tsim nyog rau cov yam ntxwv ntawm cov khoom xws li kiv cua, twj tso kua mis thiab lub tshuab uas lub zog sib txuas rau kev sib hloov ceev yog proportional rau nws square. TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-4
  3. 3) Kev pib lub zog nce ntxiv Kev teeb tsa ntawm V / F tswj hom xaiv PT rau 2 (tsis siv neeg lub zog torque boost tswj) Tshawb xyuas cov khoom thauj tam sim no hauv txhua qhov nrawm thiab hloov kho vol.tage tso zis (torque boost) los ntawm inverter. Qhov no muab torque ruaj khov rau kev khiav ruaj khov. TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-5

Nco tseg: Qhov kev tswj xyuas no tuaj yeem ua rau oscillate thiab destabilize khiav nyob ntawm qhov load. Yog tias qhov ntawd yuav tsum tshwm sim, teeb tsa V / F tswj hom xaiv PT rau 0 (V / F tas li) thiab nce lub zog ntawm tus kheej.

  • Lub cev muaj zog tas li yuav tsum tau teeb tsa Yog tias lub cev muaj zog uas koj siv yog 4P Toshiba tus qauv lub cev muaj zog thiab yog tias nws muaj peev xwm zoo ib yam li lub inverter, nws tsis tas yuav teeb tsa lub cev muaj zog tas li. Nyob rau hauv txhua rooj plaub, nco ntsoov teem qhov tsis F415 rau F417 kom raug.
    Nco ntsoov teem (rated tam sim no ntawm lub cev muaj zog) thiab ( ntsuas ceev ntawm lub cev muaj zog) kom raug, raws li tau teev tseg rau ntawm daim ntawv teev npe. Rau qhov kev teeb tsa ntawm (tsis muaj-load tam sim no ntawm lub cev muaj zog), xa mus rau daim ntawv qhia txog lub cev muaj zog.
    Muaj peb txheej txheem rau kev teeb tsa lwm lub cev muaj zog.
    1. Nws pib torque boost thiab lub cev muaj zog tas li (auto-tuning) tuaj yeem teeb tsa ib zaug. Txhawm rau ua qhov no, teeb tsa qhov yooj yim parameter rau .
    2. Lub cev muaj zog tas li tuaj yeem raug teeb tsa (auto-tuning). Teem lub ncua parameter rau .
    3. Txhua lub cev muaj zog tsis tu ncua tuaj yeem teeb tsa tus kheej.
    4. Vector tswj - nce pib torque thiab ua tiav kev ua haujlwm siab. Kev teeb tsa ntawm V / F tswj hom xaiv PT rau 3 Siv sensor-tsawg vector tswj nrog Toshiba tus qauv lub cev muaj zog yuav muab lub zog siab tshaj plaws ntawm qhov qis qis.
  1. Muab loj pib torque.
  2. Siv tau thaum lub sijhawm ua haujlwm ruaj khov yuav tsum tau txav mus los ntawm qhov qis qis.
  3. Siv tau zoo hauv kev tshem tawm cov kev hloov pauv ntawm cov khoom siv los ntawm lub cev muaj zog slippage.
  • Lub cev muaj zog tas li yuav tsum tau teeb tsa
    Yog tias lub cev muaj zog uas koj siv yog 4P Toshiba tus qauv lub cev muaj zog thiab yog tias nws muaj peev xwm zoo ib yam li lub inverter, nws tsis tas yuav teeb tsa lub cev muaj zog tas li. Nyob rau hauv txhua rooj plaub, nco ntsoov teem lub parameter kom zoo.
    Nco ntsoov teem (qhov ntsuas tam sim no ntawm lub cev muaj zog) thiab ( ntsuas ceev ntawm lub cev muaj zog) kom raug, raws li tau teev tseg rau ntawm daim ntawv teev npe. Rau qhov kev teeb tsa ntawm (tsis muaj-load tam sim no ntawm lub cev muaj zog), xa mus rau daim ntawv qhia txog lub cev muaj zog.
    Muaj peb txheej txheem rau kev teeb tsa lwm lub cev muaj zog.
    1. Lub sensorless vector tswj thiab lub cev muaj zog tsis tu ncua (auto-tuning) tuaj yeem teeb tsa ib lub sijhawm. Teem lub ntsiab parameter rau.
    2. Lub cev muaj zog tas li tuaj yeem raug teeb tsa (auto-tuning). Teem lub ncua parameter rau .
    3. Txhua lub cev muaj zog tsis tu ncua tuaj yeem teeb tsa tus kheej.
    4. Kev txuag hluav taws xob Kev teeb tsa ntawm V / F tswj hom xaiv PT mus rau 4 (Kev txuag hluav taws xob) Lub zog tuaj yeem txuag tau hauv txhua qhov chaw nrawm los ntawm kev kuaj xyuas cov khoom thauj tam sim no thiab ntws qhov zoo tshaj plaws tam sim no uas haum rau lub nra.
      • Lub cev muaj zog tas li yuav tsum tau teeb tsa
        Yog tias lub cev muaj zog uas koj siv yog 4P Toshiba tus qauv lub cev muaj zog thiab yog tias nws muaj peev xwm tib yam li lub inverter, tsis tas yuav teeb tsa lub cev muaj zog tas li. Nyob rau hauv txhua rooj plaub, nco ntsoov teem lub parameter kom zoo.
        Nco ntsoov teem (qhov ntsuas tam sim no ntawm lub cev muaj zog) thiab (qhov ntsuas nrawm ntawm lub cev muaj zog) kom raug, raws li tau teev tseg rau ntawm daim ntawv teev npe. Rau qhov kev teeb tsa ntawm (tsis muaj-load tam sim no ntawm lub cev muaj zog), xa mus rau daim ntawv qhia txog lub cev muaj zog.
        Muaj peb txheej txheem rau kev teeb tsa lwm lub cev muaj zog.
      • Tsis siv neeg lub zog txuag kev ua haujlwm thiab lub cev muaj zog tas li tuaj yeem teeb tsa ib zaug. Teem lub hauv paus parameter rau .
      • Lub cev muaj zog tas li tuaj yeem raug teeb tsa (auto-tuning). Teem lub ncua parameter rau .
      • Txhua lub cev muaj zog tsis tu ncua tuaj yeem teeb tsa tus kheej.
  •  Ua tiav kev txuag hluav taws xob ntxiv Kev teeb tsa ntawm V / F tswj hom xaiv PT mus rau 5 (Dynamic zog-txuag) Kev txuag hluav taws xob ntau dua li cov uas tau muab los ntawm kev teeb tsa tuaj yeem ua tiav hauv txhua qhov nrawm los ntawm kev taug qab ntawm cov khoom thauj tam sim no thiab dhau qhov tsim nyog tam sim no rau lub nra. Lub inverter tsis tuaj yeem teb rau qhov kev hloov pauv ceev ceev, yog li qhov no yuav tsum tau siv rau kev thauj khoom nkaus xwb, xws li cov kiv cua thiab cov twj tso kua mis, uas tsis muaj kev sib tsoo hnyav.
  • Lub cev muaj zog tas li yuav tsum tau teeb tsa
    Yog tias lub cev muaj zog uas koj siv yog 4P Toshiba tus qauv lub cev muaj zog thiab yog tias nws muaj peev xwm tib yam li lub inverter, tsis tas yuav teeb tsa lub cev muaj zog tas li. Nyob rau hauv txhua rooj plaub, nco ntsoov teem lub parameter kom zoo.
    Nco ntsoov teem (qhov ntsuas tam sim no ntawm lub cev muaj zog) thiab (qhov ntsuas nrawm ntawm lub cev muaj zog) kom raug, raws li tau teev tseg rau ntawm daim ntawv teev npe. Rau qhov kev teeb tsa ntawm (tsis muaj-load tam sim no ntawm lub cev muaj zog), xa mus rau daim ntawv qhia txog lub cev muaj zog.
    Rau lwm hom motors, muaj ob txoj hauv kev los teeb tsa lub cev muaj zog tas li.
    1. Lub cev muaj zog tas li tuaj yeem teeb tsa tau (auto-tuning). Teem lub ncua parameter rau .
    2. Txhua lub cev muaj zog tsis tu ncua tuaj yeem teeb tsa tus kheej
  • Kev khiav hauj lwm lub tshuab hlau nplaum ruaj khov Kev teeb tsa ntawm V / F tswj hom xaiv (PM tswj lub cev muaj zog) Cov hlau nplaum tas mus li (PM motors) uas yog lub teeb, me me thiab muaj txiaj ntsig zoo, piv rau induction motors, tuaj yeem ua haujlwm hauv kev ua haujlwm tsawg dua. hom.
    Nco ntsoov tias qhov no tuaj yeem siv tau rau cov motors tshwj xeeb. Yog xav paub ntxiv, hu rau koj tus neeg muag khoom Toshiba.
  • Kev ceev faj ntawm vector tswj
    1. Thaum siv vector tswj, nco ntsoov teem qhov txuas ntxiv kom zoo. Nco ntsoov teem caij (rated tam sim no ntawm lub cev muaj zog) thiab (ntsuas ceev ntawm lub cev muaj zog) kom raug, raws li tau teev tseg rau ntawm daim ntawv teev npe. Rau qhov kev teeb tsa ntawm (qhov tsis muaj kev thauj khoom tam sim no ntawm lub cev muaj zog), xa mus rau daim ntawv qhia txog lub cev muaj zog.
    2. Lub sensorless vector tswj exerts nws cov yam ntxwv zoo nyob rau hauv ntau zaus nyob rau hauv lub hauv paus zaus. Cov yam ntxwv tib yam yuav tsis tau txais nyob rau hauv cov cheeb tsam saum toj no lub hauv paus zaus.
    3. Teem lub hauv paus zaus mus rau qhov twg los ntawm 40 txog 120Hz thaum tswj vector.
    4. Siv lub hom phiaj dav dav squirrel-cage motor nrog lub peev xwm uas zoo ib yam li inverter lub peev xwm los yog ib qib hauv qab no.
      Qhov tsawg kawg nkaus siv lub cev muaj zog yog 0.1kW.
    5. Siv lub cev muaj zog uas muaj 2-8 P.
    6. Ib txwm ua haujlwm lub cev muaj zog hauv ib qho kev ua haujlwm (ib qho inverter rau ib lub cev muaj zog). Sensorless vector tswj tsis tuaj yeem siv thaum ib qho inverter ua haujlwm nrog ntau tshaj ib lub cev muaj zog.
    7. Qhov siab tshaj plaws ntawm cov xov hlau ntawm lub inverter thiab lub cev muaj zog yog 30 meters. Yog tias cov xov hlau ntev dua 30 meters, teeb tsa tus qauv pib-tuning nrog cov xov hlau txuas los txhim kho lub zog qis qis thaum lub sij hawm sensorless vector tswj. Txawm li cas los xij, cov teebmeem ntawm voltage poob ua rau lub cev muaj zog-tsim torque nyob ib puag ncig ntawm qhov ntsuas zaus yuav qis dua.
    8. Txuas lub reactor lossis surge voltage suppression lim ntawm lub inverter thiab lub cev muaj zog yuav txo tau lub cev muaj zog torque. Kev teeb tsa nws pib-tuning kuj yuav ua rau muaj kev mus ncig. rendering sensorless vector tswj unusable.
    9. Cov lus hauv qab no qhia txog kev sib raug zoo ntawm V / F tswj hom xaiv (pt) thiab lub cev muaj zog tsis tu ncua. Raws li ib txwm muaj, nco ntsoov teem lossis kho cov cim cim nrog 'OO'. Thaum ua cov txheej txheem ntxaws, kho qhov tsis muaj cim nrog 'O' thiab, yog tias tsim nyog. Tsis txhob kho qhov tsis muaj cim nrog 'X', vim lawv tsis raug. (Rau cov lus qhia txog yuav ua li cas kho qhov parameter f400 thiab tom qab ntawd.)

Kev sib raug zoo ntawm V / F tswj hom xaiv (Pt) thiab lub cev muaj zog tsis tu ncua

TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-6TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-7

  • OO: Nco ntsoov teem thiab kho cov tsis.
  • O: Kho qhov ntsuas yog tias tsim nyog.

Teeb tsa lub cev muaj zog tsis tu ncua (Standard)

TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-8

Txhawm rau siv vector tswj, tsis siv neeg torque boost thiab tsis siv neeg lub zog txuag, lub cev muaj zog qhov chaw (motor tuning) yuav tsum tau. Peb txoj kev hauv qab no muaj los teeb tsa lub cev muaj zog.

  1. Siv lub torque boost chaw macro muaj nuj nqi rau kev teeb tsa V / F tswj hom xaiv thiab nws pib-tuning tib lub sijhawm
  2. Teem V / F tswj hom xaiv thiab nws pib-tu nws tus kheej
  3. Ua ke V / F tswj hom xaiv thiab phau ntawv tuning
    • Xyuas kom paub tseeb tias qhov teeb tsa ntawm qhov ntsuas vl thiab qhov ntawm qhov ntsuas qhov ntsuas vlv pom zoo nrog lub hauv paus zaus ( ntsuas kev sib hloov ceev) thiab lub hauv paus zaus voltage (rov voltage) ntawm lub cev muaj zog yuav tsum tau ua, feem. Yog tias tsis yog, teeb tsa cov ntsuas kom raug.
    • Thaum siv lub inverter los tswj cov kev khiav hauj lwm ntawm lub cev muaj zog me me nyob rau hauv lub peev xwm los ntawm ib qib los yog ntau tshaj, nco ntsoov teem lub cev muaj zog rated tam sim no parameter kom zoo.
    • Vector tswj yuav tsis ua haujlwm zoo yog tias lub zog muaj peev xwm txawv ntawm qhov muaj peev xwm siv tau ntawm lub inverter los ntawm ntau tshaj ob qib. Yog tias tam sim no waveforms oscillate thaum lub sijhawm ua haujlwm, nce qhov ceev tswj kev ruaj ntseg zoo. Qhov no muaj txiaj ntsig zoo hauv suppressing oscillation.
[Kev Xaiv 1: Teeb tsa los ntawm parameter teeb tsa macro torque boost] Qhov no yog qhov yooj yim tshaj plaws ntawm cov txheej txheem muaj. Nws ua vector tswj thiab nws pib-tuning tib lub sijhawm.

Teem AU2 rau 1 (Tsis siv neeg torque boost + pib-tuning) Teem AU2 rau 2
(Vector tswj + auto-tuning). Teem AU2 rau 3 (Kev txuag hluav taws xob + pib-tuning)

[Kev Xaiv 2: Teeb tsa vector tswj thiab nws pib kho nws tus kheej]

Txoj kev no teeb tsa sensorless vector tswj lossis tsis siv neeg torque boost, thiab nws pib-tuning ntawm nws tus kheej. Qhia meej txog kev tswj hwm kev xaiv qhov ntsuas (PT) thiab tom qab ntawd teeb tsa nws pib-tuning. Teem lub auto-tuning parameter F400 rau (Auto-tuning enabled)TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-9

Teem f400 rau 2 rau ua ntej pib ua haujlwm. Tuning yog ua thaum pib ntawm lub cev muaj zog.

Kev ceev faj ntawm nws pib-tuning

  1. Ua nws pib-tuning tsuas yog tom qab lub cev muaj zog tau txuas nrog thiab kev ua haujlwm tiav lawm.
    Yog hais tias nws pib-tuning yog ua tam sim ntawd tom qab lub lag luam nres, lub xub ntiag ntawm ib tug residual voltage yuav ua rau muaj qhov txawv txav.
  2. Voltage yog siv rau lub cev muaj zog thaum tuning txawm tias nws nyuam qhuav tig. Thaum lub sij hawm tu, yog tso tawm kom pom ntawm lub vaj huam sib luag ua haujlwm.
  3. Tuning yog ua thaum lub cav pib thawj zaug tom qab f400 yog teem rau 2.
    Tuning feem ntau ua tiav hauv peb vib nas this. Yog hais tias nws yog rho tawm, lub cev muaj zog yuav mus nrog dis-play ntawm thiab tsis tas yuav teem rau lub cev muaj zog.
  4. High-speed motors, high-slip motors los yog lwm yam tshwj xeeb motors tsis tuaj yeem pib-tuned. Rau cov motors no, ua phau ntawv tuning siv Kev Xaiv 3 tau piav qhia hauv qab no.
  5. Muab cranes thiab hoists nrog kev tiv thaiv hluav taws xob txaus xws li kev sib tsoo tshuab. Yog tias tsis muaj kev tiv thaiv hluav taws xob txaus, qhov ua rau lub cev muaj zog tsis txaus thaum lub sij hawm tig tuaj yeem tsim kev pheej hmoo ntawm lub tshuab nres / poob.
  6. Yog hais tias nws pib-tuning tsis yooj yim sua los yog ib qho teeb meem pib-tuning tshwm sim, ua phau ntawv tuning nrog Xaiv 3.
  7. Yog hais tias lub inverter yog tripped thaum nws pib-tuning vim hais tias ntawm cov zis theem tsis ua hauj lwm (echo), xyuas seb lub inverter txuas nrog qhov tseeb. Kev kuaj xyuas cov zis theem tsis ua haujlwm yog ua thaum lub sijhawm pib kho, tsis hais qhov teeb tsa ntawm cov zis theem tsis ua haujlwm nrhiav pom hom xaiv qhov ntsuas.
[Kev Xaiv 3: Kev teeb tsa vector tswj thiab phau ntawv tuning ntawm nws tus kheej] Yog tias qhov "EFN" qhov yuam kev tau tshwm sim thaum nws pib-tuning lossis thaum tus cwj pwm tswj vector yuav tsum tau txhim kho, kev ywj pheej lub cev muaj zog tuaj yeem raug teeb tsa. TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-10

Kev teeb tsa lub cev muaj zog tsis tu ncua 2 (Cov ntsiab lus)

f480 ua : Txaus siab tam sim no coefficient 

f485 ua:. Stall tiv thaiv coefficient 

f492 ua  : Stall tiv thaiv coefficient 2

f494 ua  : Lub cev muaj zog hloov coefficient 

f495 ua  : Maximam voltage hloov coefficien

f496 ua  : Waveform switching adjustment coefficien

* Cov kev txwv hauv qab no tso cai rau koj los hloov kho kom zoo dua.

TOSHIBA-TOSVERT-VF-S11-VF-Control-Functions-Inverter-Controller-FIG-11

f480: Siv los ua kom zoo-kho qhov sib nqus qhov nce hauv qhov qis-ceev ntau. Txhawm rau kom cov torque nyob rau hauv qhov qis-ceev ntau, qhia tus nqi loj dua. Nco ntsoov tias qhov kev ntsuas no yuav tsum tau hloov kho tsuas yog thaum muaj lub zog txaus tsis tuaj yeem tau txais, txawm tias nws pib-tuning tau ua tom qab qhov teeb tsa ntawm qhov tsis. Nco ntsoov tias kev kho qhov ntsuas no yuav ua rau muaj kev nce hauv qhov tsis muaj kev thauj khoom tam sim no hauv qhov qis qis. Yog hais tias tsis muaj-load tam sim no tshaj qhov ntsuas tam sim no, tsis txhob kho qhov ntsuas no. Siv cov kev ntsuas no nrog rau f492 kho cov yam ntxwv hauv cheeb tsam uas qhov zaus yog siab dua lub hauv paus zaus (tej chaw uas lub teb tsis muaj zog). Siv cov kev ntsuas no nrog rau f485 kho cov yam ntxwv hauv cheeb tsam uas qhov zaus yog siab dua lub hauv paus zaus (lub cheeb tsam uas lub teb tsis muaj zog). * Yuav ua li cas hloov kho nyob rau hauv ib cheeb tsam ( cheeb tsam uas lub magnetic teb tsis muaj zog) saum lub hauv paus zaus Yog hais tias ib tug hnyav load yog thov instantaneously (los yog transiently), lub cev muaj zog yuav nyob twj ywm ua ntej lub load tam sim no mus txog rau tam sim no lub teeb nrog kev tiv thaiv lub rooj zaum. qib 1 parameter (f601). Feem ntau, cov khw muag khoom zoo li no tuaj yeem zam tau los ntawm maj mam txo qhov chaw ntawm f485. Kev poob hauv cov khoom voltage tuaj yeem ua rau muaj kev hloov pauv ntawm cov khoom thauj tam sim no lossis kev vibration ntawm lub cev muaj zog. Qee zaum, cov xwm txheej zoo li no tuaj yeem raug tshem tawm los ntawm kev hloov qhov chaw ntawm f492 mus rau nruab nrab ntawm 80 thiab 90. Txawm li cas los xij, qhov no yuav ua rau muaj qhov nce ntawm cov khoom thauj tam sim no, yog li nws tseem yuav tsum tau kho qhov chaw ntawm hluav taws xob thermal tiv thaiv qib 1 parameter ( thr) kom raug raws li lub cev muaj zog. Tsis tas yuav kho qhov ntsuas no raws li ib txwm muaj. (Tsis txhob hloov qhov chaw, tshwj tsis yog lwm yam qhia los ntawm Toshiba cov neeg ua haujlwm) Qhia tus nqi loj dua rau f495 kom ruaj ntseg raws li qhov tso zis ntautage raws li ua tau nyob rau hauv ib cheeb tsam ( cheeb tsam uas lub magnetic teb tsis muaj zog) saum lub hauv paus zaus. Kev teeb tsa f495 rau tus nqi loj dua tuaj yeem ua rau lub cev muaj zog vibrate lossis lub zog squeak. Yog tias muaj qhov tshwm sim tshwm sim, tsis txhob kho qhov ntsuas no. Qhia txog tus nqi loj dua rau f496 yog tias hloov los ntawm ib qho waveform mus rau lwm qhov tshwm sim hauv kev vibration thiab suab nrov nyob rau hauv nruab nrab-ceev ntau yam (ib cheeb tsam ntawm qhov pib zaus thiab lub hauv paus zaus). Yog tias tsis muaj kev txhim kho tuaj yeem ua tau los ntawm kev qhia tus nqi loj dua, tsis txhob kho qhov ntsuas no.

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TOSHIBA TOSVERT VF-S11 VF Control Functions Inverter Controller [ua pdf] Cov lus qhia
TOSVERT VF-S11 VF Control Functions Inverter Controller, TOSVERT VF-S11 VF Tswj Kev Ua Haujlwm Inverter

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