Hauv kev siv cov tswv yim, cov zaus hloov pauv feem ntau yuav tsum tau nruab nrog cov reactors, lim, nres resistors thiab nres nres kom ruaj ntseg ntawm lawv cov kev ua tau zoo, txuas lub neej ntawm cov cuab yeej, thiab kom tsis txhob muaj kev cuam tshuam tsis zoo ntawm daim phiaj hluav taws xob thiab khoom siv. Cov hauv qab no yog cov haujlwm ntawm txhua qhov khoom thiab lawv cov laj thawj:

1. Reactors
Reactors feem ntau yog ntxiv rau cov tswv yim lossis cov zis ntawm lub tshuab hloov zaus. Lawv lub luag haujlwm tseem ceeb yog:

Txo kev sib haum xeeb thiab kev hloov pauv tam sim no: zaus hloov pauv yuav tsim kom muaj kev sib haum xeeb, tshwj xeeb tshaj yog tsawg zaus harmonics (xws li 5th thiab 7th harmonics). Cov kev sib haum xeeb no yuav ua rau muaj kev hloov pauv tam sim no, cuam tshuam rau kev ua haujlwm ntawm lub cev muaj zog thiab ua rau lub nra hnyav ntawm daim phiaj hluav taws xob. Reactors tuaj yeem tiv thaiv cov kev sib raug zoo no thiab txo qhov cuam tshuam ntawm daim phiaj hluav taws xob thiab lwm yam khoom siv.

Smooth tam sim no fluctuations: reactors tuaj yeem txo qhov cuam tshuam ntawm zaus hloov pauv hloov zaus ntawm qhov tam sim no, ua kom cov waveform tam sim no smoother, thiab pab txo cov kev sib raug zoo tam sim no ntawm daim phiaj hluav taws xob.

Txwv overvoltage thiab overcurrent: reactors tuaj yeem txwv qhov tshwm sim ntawm overvoltage lossis overcurrent nyob rau hauv qee kis, tiv thaiv zaus converters thiab motors los ntawm kev puas tsuaj.

Cov laj thawj rau kev teeb tsa: tiv thaiv cov cuab yeej, txo qhov cuam tshuam ntawm kev sib haum xeeb ntawm daim phiaj hluav taws xob thiab cov khoom siv hluav taws xob, thiab tsis txhob muaj kev hloov pauv ntau zaus thiab teeb meem overcurrent.

2. Cov lim
Cov ntxaij lim dej feem ntau yog siv rau ntawm qhov kawg tso zis ntawm lub inverter. Lawv lub luag haujlwm yog:

Tshem tawm cov kev sib raug zoo ntawm kev sib raug zoo: Lub suab nrov ntawm kev hloov pauv siab uas tsim los ntawm lub inverter tuaj yeem cuam tshuam nrog lub cev muaj zog thiab lwm yam khoom siv hluav taws xob. Lub lim tuaj yeem txhim kho kev ruaj ntseg ntawm lub kaw lus los ntawm kev lim tawm cov suab nrov nrov.

Txhim kho qhov chaw ua haujlwm ntawm lub cev muaj zog: Lub lim tuaj yeem tshem tawm qhov cuam tshuam ntawm kev sib raug zoo ntawm lub cev muaj zog, zam cov teeb meem xws li overheating, vibration, thiab suab nrov ntawm lub cev muaj zog, thiab txhim kho kev ruaj ntseg ntawm lub cev muaj zog.

Txo kev cuam tshuam ntawm electromagnetic cuam tshuam (EMI): Cov lim tuaj yeem txo qhov cuam tshuam ntawm electromagnetic cuam tshuam, xyuas kom cov khoom ua tau raws li cov qauv siv hluav taws xob sib xws (EMC), thiab tsis txhob cuam tshuam rau kev ua haujlwm ntawm lwm yam khoom siv hluav taws xob.

Cov laj thawj rau kev teeb tsa: Txo cov kev cuam tshuam ntau zaus thiab kev sib haum xeeb, txhim kho qhov hluav taws xob ib puag ncig ntawm lub cev, thiab tiv thaiv lub cev muaj zog thiab lwm yam khoom los ntawm kev cuam tshuam.

3. Braking Resistor
Braking resistors feem ntau yog siv ua ke nrog cov nres nres. Lawv lub luag haujlwm tseem ceeb yog:

Absorb regenerative zog: Thaum lub cev muaj zog tsav los ntawm lub inverter nres, lub rotational inertia ntawm lub cev muaj zog yuav hloov kinetic zog rau hauv hluav taws xob zog thiab pub nws rov qab mus rau lub inverter. Yog tias tsis muaj kev ntsuas, kev siv zog ntau dhau tuaj yeem ua rau DC lub tsheb npav voltage siab dhau thiab ua rau lub inverter puas. Lub braking resistor tuaj yeem nqus tau lub zog ntau dhau thiab hloov mus rau hauv lub zog hluav taws xob, yog li tiv thaiv lub tsheb npav DC los ntawm siab dhau.
Txhim kho cov nyhuv braking: Nyob rau hauv high-speed lub cev muaj zog tsav daim ntaub ntawv, lub braking resistor yuav pab tau lub cev muaj zog decelerate sai sai thiab tiv thaiv lub cev muaj zog los ntawm generating siab heev rov qab tam sim no vim inertia thaum nws nres.
Yog vim li cas rau installation: nqus lub zog regenerative ntawm lub cev muaj zog los xyuas kom meej kev nyab xeeb ntawm lub inverter thiab lub cev muaj zog, tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov nrog nquag pib / nres.

4. Chav nres tsheb
Lub braking unit yog siv ua ke nrog lub braking resistor. Nws yog lub luag haujlwm tseem ceeb rau kev tswj thiab kho qhov ua haujlwm ntawm lub braking resistor:

Tswj lub DC tsheb npav voltage: Thaum lub inverter ua haujlwm, lub inertia ntawm lub cev muaj zog yuav pub ntau zog rov qab rau hauv lub tsheb npav DC, ua rau lub tsheb npav voltage nce. Lub luag haujlwm ntawm lub braking unit yog saib xyuas lub tsheb npav voltage. Thaum qhov hluav taws xob siab dhau lawm, nws cia li ua rau lub braking resistor nqus lub zog ntau dhau los tiv thaiv lub tsheb npav tsis dhau tus qauv.
Muab ceev braking: Lub braking unit thiab cov resistor ua hauj lwm ua ke los pab kom lub inverter kom sai sai siv zog ntau tshaj thaum lub cev muaj zog nres los yog thim rov qab tus nres, txo lub sij hawm nres lub cev muaj zog, thiab txhim kho cov efficiency ntawm kev tswj system.
Yog vim li cas rau installation: Tswj lub backflow ntawm regenerative zog, tiv thaiv lub inverter los ntawm ntau tshaj voltage, thiab xyuas kom meej ceev thiab ruaj ntseg lub cev muaj zog braking.

Cov ntsiab lus
Nyob rau hauv qhov tseeb daim ntawv thov ntawm lub inverter, lub installation ntawm reactors, lim, nres resistors thiab nres units yuav:
Ua kom muaj kev sib haum xeeb zoo, txo cov kev cuam tshuam ntawm electromagnetic, thiab xyuas kom muaj kev ruaj ntseg ntawm cov khoom siv thiab cov phiajcim hluav taws xob.
Txhim kho qhov ua tau zoo thiab lub neej ntawm lub cev muaj zog ua haujlwm, thiab txo cov teeb meem xws li lub cev muaj zog overheating, suab nrov, thiab kev vibration los ntawm lub suab nrov nrov.
Txheej txheem lub zog regenerative ntawm lub cev muaj zog, tiv thaiv lub inverter DC tsheb npav voltage los ntawm siab dhau lawm, thiab xyuas kom meej tias muaj kev nyab xeeb thiab ruaj khov kev ua haujlwm ntawm lub cev.
Yog li, kev teeb tsa tsim nyog ntawm cov khoom siv no tuaj yeem txhim kho kev ua tau zoo ntawm lub inverter, txhim kho kev nyab xeeb ntawm lub cev, thiab txuas ntxiv lub neej kev pab cuam ntawm cov khoom siv.
Thaum siv cov tsav tsheb sib txawv (VFD), tsis yog txhua daim ntawv thov xav tau kev teeb tsa ntawm cov reactors, lim, nres nres, thiab nres nres. Txawm hais tias cov khoom siv no yuav tsum tau nruab yog nyob ntawm qhov kev thov tshwj xeeb ib puag ncig, cov kev xav tau ntawm lub cev, thiab cov khoom siv ua haujlwm. Nov yog qee qhov laj thawj thiab xwm txheej rau kev ntxiv cov khoom no:

1. Cov xwm txheej uas xav tau lub tshuab hluav taws xob
High grid harmonic pollution: Thaum lub inverter siv nyob rau hauv ib puag ncig uas cov kab sib chaws fais fab mov tej yam kev mob tsis ruaj tsis khov los yog daim phiaj muaj zog harmonic pa phem, lub reactor yuav pab txo tau cov harmonics generated los ntawm lub inverter switching zaus kom tsis txhob ua kom muaj kuab paug nyob rau hauv daim phiaj.
Lub zog inverter siab: Nyob rau hauv daim ntawv thov ntawm high-power inverters, tshwj xeeb tshaj yog inverters saum 50kW, reactors tuaj yeem txo qhov kev hloov pauv tam sim no thiab txo qhov cuam tshuam ntawm daim phiaj thiab cov khoom siv.
Cov kab hluav taws xob loj loj: Cov reactors tuaj yeem cuam tshuam cov kab hluav taws xob hloov pauv kom ntseeg tau tias kev ua haujlwm ib txwm muaj ntawm inverter, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas cov kab hluav taws xob tsis ruaj khov lossis tsis muaj zog.
Daim ntawv thov: inverters nrog lub zog siab loads xws li fais fab nroj tsuag, tshuab hnyav, thiab mines; nruj kev lag luam daim phiaj ib puag ncig yuav tsum tau.

2. Cov xwm txheej uas xav tau kev lim dej
Cov teeb meem suab nrov nrov hauv lub cev muaj zog: Lub suab nrov hloov pauv ntau zaus tsim los ntawm inverter yuav ua rau muaj kev cuam tshuam hluav taws xob (EMI) rau lub cev muaj zog thiab cov khoom siv hluav taws xob ib puag ncig. Yog tias koj daim ntawv thov yuav tsum tau txo cov electromagnetic cuam tshuam, lossis yog tias cov khoom siv hluav taws xob nkag siab (xws li PLCs, sensors, thiab lwm yam) ua haujlwm nyob ze, cov ntxaij lim dej yog qhov tsim nyog heev.
Ua raws li cov kev cai ntawm electromagnetic compatibility (EMC): Yog tias cov cuab yeej xav tau kom ua tau raws li EMC cov qauv nruj, lub lim tuaj yeem txo qhov cuam tshuam ntawm electromagnetic radiation thiab conduction los xyuas kom meej tias cov cuab yeej ua tau raws li lub teb chaws lossis thoob ntiaj teb cov qauv siv hluav taws xob electromagnetic compatibility.
Txhim kho lub cev muaj zog: Yog tias lub inverter tsav lub cev muaj zog thiab muaj teeb meem xws li lub cev muaj zog overheating, muaj suab nrov lossis kev vibration, lub lim tuaj yeem txo qhov cuam tshuam los ntawm kev sib raug zoo ntawm high-frequency harmonics.
Cov ntawv thov: Cov ntawv thov uas yuav tsum tau nruj me ntsis ntawm kev cuam tshuam electromagnetic, xws li kev tsim cov khoom siv high-precision, cov cuab yeej kuaj, khoom siv sib txuas lus, khoom siv kho mob, thiab lwm yam.

3. Tej xwm txheej uas yuav tsum tau nres resistors
Nquag pib / nres lossis braking yuav tsum: Nyob rau hauv cov xwm txheej uas nquag pib thiab nres yuav tsum tau, lub zog regenerative generated los ntawm lub cev muaj zog vim inertia yuav ua rau lub DC tsheb npav voltage nce sharply. Nyob rau lub sijhawm no, yuav tsum muaj tus nres nres kom nqus tau ib feem ntawm lub zog los tiv thaiv qhov hluav taws xob ntau dhau ntawm tus qauv thiab xyuas kom muaj kev ua haujlwm zoo ntawm lub inverter.
High-load applications nrog lub sijhawm ua haujlwm ntev: Yog tias lub cev muaj zog loj thiab khiav mus ntev, tshwj xeeb tshaj yog thaum lub cev muaj zog los yog nres, nws yuav ua rau lub zog rov qab loj. Tus nres resistor tuaj yeem tiv thaiv lub cev muaj zog los ntawm kev tsim hluav taws xob ntau dhau vim muaj inertia.
Cov ntawv thov uas yuav tsum tau kaw nrawm lossis thauj khoom qeeb: Piv txwv li, hauv cov ntawv thov xws li siv conveyors thiab elevator uas yuav tsum tau kaw nrawm, nres nres tuaj yeem ua kom lub cev muaj zog qeeb thiab ua kom lub sijhawm nres.
Cov ntawv thov: cranes, conveyor siv, textile machinery, elevator, kiv cua thiab twj tso kua mis uas pib thiab nres sai, thiab lwm yam.
4. Cov xwm txheej uas yuav tsum tau nres tsheb
Lub sijhawm uas yuav tsum tau tswj lub zog rov qab los: Thaum lub cev muaj zog yuav tsum tau siv thaum nres ceev lossis thim rov qab, DC lub tsheb npav voltage yuav siab dhau. Chav nres tsheb tuaj yeem saib xyuas thiab tswj qhov hluav taws xob no kom ntseeg tau tias nws tsis ua rau muaj kev puas tsuaj rau lub inverter.
Lub zog regenerative pub rov qab los ntawm lub cev muaj zog yog qhov loj: Rau lub zog loj inverters, tshwj xeeb tshaj yog nyob rau hauv inertia loj loads xws li kiv cua, twj, hnyav machinery, thiab lwm yam., lub zog regenerative generated los ntawm lub cev muaj zog inertia yog loj. Lub nres nres yog siv ua ke nrog tus nres resistor los xyuas kom meej tias lub zog regenerative yog absorbed zoo thiab tsis txhob poob los ntawm ntau dhau voltage.
Kev khiav hauj lwm nyob rau hauv siab load thiab siab dynamic tej yam kev mob: Piv txwv li, nyob rau hauv lub sij hawm uas nquag hloov ceev yuav tsum tau (xws li elevators thiab cranes), lub nres nres yuav pab tau sai sai noj lub zog tawm tswv yim thiab tiv thaiv lub inverter thiab lub cev muaj zog.
Cov ntawv thov: siab dynamic teb lub cev muaj zog tsav tshuab, xws li elevators, cranes, siv conveyors, automated ntau lawm kab, thiab lwm yam.

Cov ntsiab lus:
Cov khoom no feem ntau yuav tsum muaj nyob rau hauv cov xwm txheej hauv qab no:

Thaum cov kab sib chaws tsis zoo, cov kev sib haum xeeb loj, lossis qhov kev hloov pauv ntawm qhov hluav taws xob loj, nruab ib lub reactor los tiv thaiv lub inverter thiab kab sib chaws.

Thaum muaj cov kev cai nruj rau electromagnetic cuam tshuam (EMI) lossis qhov kev ua haujlwm ntawm lub cev muaj zog yuav tsum tau txhim kho, txhim kho lub lim.
Rau cov ntawv thov uas nquag pib / nres lossis qeeb qeeb, nws yog ib qho tsim nyog yuav tsum tau nruab ib lub nres nres thiab lub nres nres los pab tswj cov kev tawm tswv yim regenerative zog thiab ua kom muaj kev nyab xeeb ntawm inverter thiab lub cev muaj zog.
Txawm hais tias cov khoom siv no yuav tsum tau nruab yog nyob ntawm qhov xav tau tshwj xeeb ntawm lub kaw lus, hom kev thauj khoom, thiab qhov chaw ua haujlwm. Rau cov ntawv thov uas muaj lub zog siab, nquag pib / nres, lossis nruj hluav taws xob ib puag ncig, cov khoom siv ntxiv no feem ntau yog txiav txim siab.