Variable Frequency Drives (VFDs) yog cov cuab yeej tseem ceeb hauv kev lag luam niaj hnub no, pab tswj lub cev muaj zog, txuag hluav taws xob, thiab txhim kho cov cuab yeej ua haujlwm. Ntawm tag nrho cov VFD hom, Siemens VFD sawv tawm rau nws txoj kev ntseeg siab, kev ua tau zoo, thiab cov yam ntxwv zoo sib xws. Harmonics yog qhov tsis xav tau hluav taws xob cuam tshuam uas tuaj yeem ua rau cov khoom puas tsuaj, khib nyiab, thiab ua txhaum cov qauv kev lag luam. Qhov blog no yuav piav qhia txog yam kev sib haum xeeb yog dab tsi, Siemens VFD yuav pab txo lawv siv cov lim dej thiab cov kab reactors, thiab cov kev daws teeb meem ua kom koj cov haujlwm muaj kev nyab xeeb thiab ua haujlwm tau zoo. Peb kuj tseem yuav hais txog cov lus qhia siv tau los ua kom zoo tshaj plaws ntawm koj Siemens VFD rau kev sib haum xeeb.
Dab tsi yog Harmonics thiab Vim Li Cas Lawv Tseem Ceeb?
Harmonics yog cov cim hluav taws xob ntxiv uas khiav nrog lub ntsiab hluav taws xob tam sim no. Lawv tshwm sim los ntawm cov khoom tsis yog -linear loads- cov khoom siv uas tsis siv hluav taws xob tsis tu ncua, txoj kev du. VFDs, suav nrog txawm tias Siemens VFD siab tshaj plaws, tuaj yeem tsim kev sib haum xeeb vim lawv hloov AC lub zog rau DC lub zog thiab rov qab mus rau AC lub zog los tswj lub cev muaj zog. Cov kev sib raug zoo no tuaj yeem ua rau muaj teeb meem loj: lawv ua rau cov motors overheat, txo lub zog ua haujlwm, ua rau cov khoom siv hluav taws xob puas tsuaj, thiab tseem ua rau hluav taws xob poob. Rau cov lag luam, qhov no txhais tau hais tias cov nqi hluav taws xob ntau dua, kev kho khoom siv ntau zaus, thiab kev ua txhaum cai ntawm cov qauv hluav taws xob. Tias yog vim li cas kev sib haum xeeb nrog Siemens VFD yog qhov tseem ceeb heev rau txhua qhov chaw siv VFDs.
Siemens VFD Harmonic Mitigation Tools: Lim thiab Kab Reactors
Siemens VFD yog tsim los nrog ua -hauv thiab xaiv cov cuab yeej los tawm tsam kev sib raug zoo. Ob lub cuab yeej siv tau zoo tshaj plaws yog cov lim dej thiab cov kab reactors. Cov Cheebtsam no ua haujlwm nrog koj Siemens VFD kom txo qis kev sib haum xeeb, tiv thaiv koj cov khoom siv, thiab ua kom koj lub zog hluav taws xob ua haujlwm zoo. Cia peb ua tib zoo saib txhua tus.
1. Lim rau Siemens VFD: Thaiv Harmonics ntawm qhov chaw
Cov lim dej yog cov khoom siv uas txuas rau koj Siemens VFD los thaiv lossis txo cov kev sib haum xeeb ua ntej lawv nkag mus rau hauv daim phiaj hluav taws xob. Siemens muaj ob hom kev lim dej tseem ceeb rau nws cov VFDs: cov lim dej tsis zoo thiab cov lim dej ua haujlwm, txhua qhov haum rau cov kev xav tau sib txawv. Cov lim dej tsis zoo yog qhov yooj yim, tus nqi - zoo, thiab ua haujlwm zoo rau feem ntau cov ntawv thov. Lawv siv inductors, capacitor, thiab resistors los tsom rau cov zaus sib haum xeeb tshwj xeeb thiab txwv tsis pub lawv sib kis. Cov ntxaij lim dej ua haujlwm tau zoo dua -lawv tuaj yeem ntes cov kev sib raug zoo ntawm lub sijhawm thiab tsim cov teeb liab tawm tsam kom tshem tawm lawv. Qhov no ua rau lawv zoo meej rau cov chaw nrog cov khoom sib txawv lossis cov kev txwv nruj nruj. Yog tias koj tab tom nrhiav Siemens VFD cov ntxaij lim dej sib haum xeeb, ob hom yog ib qho yooj yim rau nruab thiab sib txuas nrog koj cov Siemens VFD uas twb muaj lawm.
Ib qho txiaj ntsig tseem ceeb ntawm kev siv Siemens VFD cov lim dej sib haum xeeb yog tias lawv tau tsim tshwj xeeb rau Siemens VFD qauv, ua kom muaj kev sib raug zoo thiab kev ua haujlwm zoo. Tsis zoo li cov ntxaij lim dej dav dav, lawv ua haujlwm zoo sib xws nrog koj Siemens VFD kom txo qis kev sib haum xeeb cuam tshuam thaum tswj lub zog ua haujlwm. Qhov no yog ib feem tseem ceeb ntawm kev txo qis kev sib raug zoo nrog Siemens VFD.
2. Kab Reactors rau Siemens VFD: Ua kom ruaj khov tam sim no thiab txo qis kev cuam tshuam
Kab reactors (tseem hu ua chokes) yog lwm yam cuab yeej tseem ceeb rau kev sib haum xeeb nrog Siemens VFD. Lawv raug ntsia nruab nrab ntawm lub hwj huam mov thiab koj Siemens VFD kom ruaj khov ntawm cov hluav taws xob tam sim no. Kab reactors ua haujlwm los ntawm kev ua kom qeeb ntawm qhov hloov pauv tam sim no, uas txo qhov kev sib haum xeeb cuam tshuam los ntawm VFD. Lawv kuj tiv thaiv koj Siemens VFD los ntawm qhov hluav taws xob thiab hluav taws xob nrov, ncua nws txoj sia. Siemens VFD kab reactors muaj nyob rau hauv ntau qhov sib txawv kom phim lub zog ntsuas ntawm koj VFD, ua rau lawv hloov tau yooj yim rau txhua qhov chaw.
Thaum koj siv cov kab reactors nrog koj Siemens VFD, koj yuav pom cov txiaj ntsig tam sim: txo qis kev sib haum xeeb, txhim kho lub zog, thiab tsis tshua muaj kev ntxhov siab ntawm koj lub cev muaj zog thiab hluav taws xob. Piv txwv li, yog tias koj lub chaw muaj lub tshuab hloov pauv loj pub me me Siemens VFD, ib kab reactor tuaj yeem "soften" cov tswv yim tam sim no thiab tiv thaiv qhov cuam tshuam ntawm qhov hluav taws xob. Qhov no yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau cov chaw lag luam uas vam khom Siemens VFD rau kev ua haujlwm tseem ceeb, xws li twj, kiv cua, thiab conveyors. Kawm yuav ua li cas txo cov kev sib raug zoo nrog Siemens VFD feem ntau pib nrog kev ntxiv cov kab reactor txoj cai.
Siemens VFD Ua Raws Li Txoj Cai rau Harmonic Standards
Ntau qhov kev lag luam muaj cov qauv nruj rau kev sib haum xeeb kom muaj kev nyab xeeb thiab ua haujlwm zoo. Cov qauv siv ntau tshaj plaws yog IEEE 519 thiab IEC 61000-3-12. Cov qauv no tau txwv tsis pub muaj kev sib haum xeeb ntau npaum li cas rau hauv cov tshuab hluav taws xob. Siemens VFD yog tsim los pab koj ua tau raws li cov qauv no nrog rau kev siv zog tsawg, ua tsaug rau nws cov kev ua kom muaj kev sib haum xeeb thiab cov khoom sib xws. Qhov no yog qhov uas Siemens VFD harmonic ua raws li kev daws teeb meem tuaj rau hauv kev ua si.
Siemens VFD cov qauv zoo li SINAMICS series muaj cov thev naus laus zis tsis sib haum xeeb uas txo cov kev sib haum xeeb yam tsis tas yuav muaj cov khoom ntxiv hauv qee kis. Piv txwv li, Siemens G120P VFD siv cov thev naus laus zis tsis sib haum los txo cov kev sib haum xeeb tam sim no ncaj qha rau ntawm AC kab, ua tiav lub zog hluav taws xob ze rau 1 thiab ua tau raws li cov qauv nruj. Thaum ua ke nrog Siemens VFD harmonic lim los yog kab reactors, koj tuaj yeem yooj yim ua tau raws li IEEE 519 thiab IEC cov cai. Qhov no tsis tsuas yog ua rau koj ua raws li kev cai xwb tab sis kuj tiv thaiv koj cov khoom siv thiab txo cov nqi hluav taws xob.
Siemens tseem muab cov kws tshaj lij kev txhawb nqa los pab koj xaiv txoj kev ua raws cai rau koj cov kev xav tau. Txawm hais tias koj yuav tsum ua kom tau raws li cov cai hluav taws xob hauv zos lossis kev lag luam- cov qauv tshwj xeeb, Siemens tuaj yeem pab koj teeb tsa koj lub Siemens VFD kom ua raws li. Qhov no yog ib feem tseem ceeb ntawm EEAT lub hauv paus ntsiab lus-Siemens muab kev tso cai, tso siab rau cov kev daws teeb meem uas ua tau raws li cov qauv kev lag luam.
Cov lus qhia rau kev siv tau zoo Harmonic Mitigation nrog Siemens VFDs
Txhawm rau kom tau txais txiaj ntsig zoo tshaj plaws los ntawm koj Siemens VFD thiab nws cov cuab yeej kev sib haum xeeb, ua raws cov lus qhia yooj yim no:
- Xaiv cov khoom tsim nyog: Sib phim koj Siemens VFD harmonic lim thiab kab reactors rau qhov loj thiab lub zog ntawm koj VFD. Siemens muab cov lus qhia meej los pab koj xaiv cov khoom raug rau koj lub cev.
- Txhim kho cov khoom kom zoo: Cov lim thiab cov kab hluav taws xob yuav tsum tau teeb tsa los ntawm tus kws tshaj lij hluav taws xob kom ntseeg tau tias lawv ua haujlwm raug nrog koj Siemens VFD. Kev teeb tsa tsis raug tuaj yeem txo lawv cov txiaj ntsig thiab ua rau koj cov khoom puas.
- Kev saib xyuas tsis tu ncua: Tshawb xyuas koj Siemens VFD, cov ntxaij lim dej, thiab cov kab reactors tsis tu ncua rau cov cim ntawm hnav lossis puas. Kev saib xyuas tsis tu ncua ua kom koj qhov kev sib haum xeeb txo qis ua haujlwm zoo rau xyoo tom ntej.
- Siv Siemens's built-nyob rau hauv cov yam ntxwv: Ntau Siemens VFD qauv tau tsim-nyob rau hauv kev sib haum xeeb txo qhov chaw. Ua kom zoo dua ntawm cov yam ntxwv no txhawm rau txhim kho koj cov kev sib raug zoo mitigation tsis tas yuav ntxiv cov khoom ntxiv.
Los ntawm kev ua raws li cov lus qhia no, koj tuaj yeem ua kom muaj txiaj ntsig zoo ntawm koj Siemens VFD kev sib haum xeeb mitigation txoj kev thiab ua kom koj lub zog hluav taws xob khiav zoo thiab ua haujlwm zoo.
Xaus
Kev txo qis kev sib haum xeeb yog qhov tseem ceeb rau txhua qhov chaw siv VFDs, thiab Siemens VFD ua kom yooj yim nrog nws cov ntxaij lim dej txhim khu kev qha, kab reactors, thiab cov kev daws teeb meem. Txawm hais tias koj tab tom nrhiav kom txo cov nqi hluav taws xob, tiv thaiv koj cov khoom siv, lossis ua tau raws li cov qauv kev lag luam, Siemens VFD muaj cov cuab yeej koj xav tau. Tus yuam sij rau kev vam meej yog xaiv cov khoom tsim nyog (xws li Siemens VFD cov lim dej sib haum xeeb thiab cov kab reactors), ua raws li kev teeb tsa thiab kev saib xyuas kom zoo, thiab siv Siemens cov kws tshaj lij kev txhawb nqa.
Siemens VFD sawv tawm raws li kev ntseeg siab rau kev txo qis kev sib haum xeeb vim nws qhov zoo, kev sib raug zoo, thiab kev cog lus rau kev ua raws cai. Los ntawm kev siv Siemens VFD thiab nws cov cuab yeej cuam tshuam, koj tuaj yeem ua kom koj lub tshuab hluav taws xob muaj txiaj ntsig zoo, nyab xeeb, thiab ua raws li -txhua yam thaum txo kev sib raug zoo thiab txuag nyiaj. Yog tias koj npaj txhij los txhim kho koj qhov kev sib raug zoo ntawm kev sib haum xeeb, pib nrog Siemens VFD thiab cov lim dej zoo thiab cov kab reactors.
