TIPPS ZUR Messung der Zoo Lawm Zoo Tshaj
Nws yuav tsum raug sau tseg tias rau kev nyab xeeb ntawm tus kheej, lub tshuab yuav tsum tau tsav tawm thiab cov kab hluav taws xob cov hluav taws xob yuav tsum tau muab tshem tawm ua ntej ua haujlwm! Ua ntej, teeb tsa ntau ntau rau "txoj haujlwm thib ob" txoj haujlwm, thiab tom qab ntawd siv cov nuj nqis liab thiab dub ntawm cov kauj ruam hauv qab no:
Qhov kev sojntsuam dub sib cuag tus ncej tsis zoo P (+) ntawm DC npav, thiab T Hauv cov kab, sau cov qauv pom ntawm tus nqi ntawm multimeter ntawm multimeter. Tom qab ntawd kov cov kev sojntsuam liab rau n (-), thiab kov cov kev sojntsuam dub rau R, S, sau cov ntaub ntawv pom ntawm tus nqi ntawm multimeter. Yog hais tias muaj rau kis muaj nuj nqis yog qhov tseeb sib npaug, nws qhia tau tias tsis muaj teeb meem nrog Rectifier lossis muag pib tiv taus cov inverter diode. Txwv tsis pub, yog tias lub rectifier module lossis mos pib resistort ntawm qhov chaw sib xws yog puas ntsoog, qhov tshwm sim yog: tsis muaj zaub.
Qhov kev sojntsuam Red tus ncej tsis zoo P (+) ntawm DC npav, thiab cov kev sojntsuam dub, sau cov qauv pom ntawm tus nqi ntawm multimeter ntawm multimeter. Tom qab ntawd kov cov kev sojntsuam dub rau N (-) thiab daim duab liab mus rau U, V, thiab W nyob rau hauv kev, thiab sau cov nqi tso saib ntawm tus nqi multimeter. Yog hais tias muaj 6 qhov tseem ceeb muaj nuj nqis yog qhov tseeb sib npaug, nws qhia tau tias tsis muaj teeb meem nrog IGBT inverter module ntawm zaus hloov pauv. Txwv tsis pub, yog tias lub IGBT inverter module ntawm txoj haujlwm sib haum yog puas, qhov tshwm sim yog: tsis muaj qhov tsim tawm lossis ua txhaum.
Siv kev hloov pauv zaus kom tsav lub cev muaj zog asynchronous nrog txuam hluav taws xob rau ntawm qhov chaw ua haujlwm tsis muaj cov haujlwm f los ntawm 50Hz mus rau qhov qis qis.
Thaum lub sijhawm tus txheej txheem no, siv cov ammeter txhawm rau txhawm rau txhawm rau ntes tsis-thauj khoom tam sim no ntawm lub cev muaj zog. Yog tias tsis muaj-thauj tau tam sim no tseem nyob ruaj khov thaum lub zaus tsawg dua thiab tuaj yeem nyob twj ywm tsis hloov pauv, ces nws yog qhov hloov pauv zoo.
Qhov tsawg kawg nkaus zaus tuaj yeem suav raws li hauv qab no: (synchronous ceev - rated ceev) x ncej,} × 2} {hz.
Kev ntxub ntxaug ntawm AC thiab DC Cov Lus Qhia Relium Txawm li cas los xij, kev sib txuas lus ruaj khov-state relays tsuas yog muaj cim nrog "+" thiab tsis muaj qhov sib txawv ntawm qhov zoo thiab tsis zoo rau kev tawm mus.
Kev cais tawm ntawm cov lus qhia thiab cov zis tso zis: Lub sijhawm tsis muaj txiaj ntsig zoo los ntawm kev ntsuas qhov ntsuas ntawm txhua tus pin cais. Thaum ua ntej tsis kam ntawm ob lub pins yog me me thiab rov qab tiv taus, ob pins no yog cov tswv yim ntawm cov khoom lag luam, thiab ob lub pins yog cov zis tawm tswv yim. Hauv kev ntsuas nrog ib qho kev tawm tsam me me, qhov kev sojntsuam dub txuas nrog lub tswv yim zoo thiab kev sojntsuam liab tau txuas nrog cov lus qhia tsis zoo.
Yog tias rau pem hauv ntej thiab thim rov qab los ntawm ob lub pins yog ob qho tib si, nws qhia tau tias lub-lub luag haujlwm relay tau tawg thiab puas. Yog tias rau pem hauv ntej thiab thim rov qab muaj nuj nqis ntawm txhua tus pin ntawm lub luag haujlwm-lub xeev relay yog ntsuas kom muaj qhov tsis kawg, nws qhia tau tias lub-state relay tau qhib thiab puas.
