Kev siv lub ntsuas hluav taws xob tsawg
Lub tshuab hluav taws xob qis hluav taws xob feem ntau yog siv los ntsuas seb cov khoom puas raug them, ntxiv rau kev sim:
1. Txheeb xyuas cov kab theem thiab kab nruab nrab.
Hauv AC Circuit Court, cov xaim uas tuaj yeem ua rau lub raj neon ci ntsa iab tom qab tau kov los ntawm electroscope yog cov xaim theem, thiab cov xaim uas tsis ci yog xoom xaim. Tsuas yog thaum lub xoom kab yog txawv txav (xws li xoom kab tawg thiab lub load yog asymmetrical).
2. Txiav txim siab qhov voltage los yog seb puas muaj qhov to thiab induced voltage.
Qhov voltage tuaj yeem kwv yees raws li lub zog ntawm neon raj. Qhov ci ntsa iab ntawm lub raj neon, qhov hluav taws xob ntau dua; qhov tsaus nti ntawm lub raj neon, qhov qis dua qhov hluav taws xob (ceeb toom: nws yog qhov nyuaj rau kev paub qhov txawv ntawm lub teeb ci ntawm neon raj hauv lub teeb ci).
Rau 380/220V fais fab mov system, yog hais tias lub neon raj yog tsaus, nws yuav yog cov to los yog induction ntawm cov khoom.
Hom kev ntxub ntxaug no tsuas yog muab piv nrog tib lub tshuab electroscope. Cov raj neon ntawm cov khoom siv hluav taws xob sib txawv muaj qhov sib txawv ntawm qhov pib voltage, uas yuav tsum muaj cov neeg ntsuas kom muaj qee yam kev paub hauv kev siv.
Lub raj neon ci ntsa iab, thiab nws xav tias cov khoom yog tiag tiag them los yog xau thiab induced hluav taws xob. Feem ntau, koj yuav tsum tsis txhob kov cov khoom nrog koj txhais tes (txawm tias koj kov nws, koj yuav tsum siv lub nraub qaum ntawm koj txhais tes, vim yog tias muaj hluav taws xob, cov leeg ntawm tes yuav cog lus thiab tsis txhob kov nws. tus neeg xyuas pib), tab sis yuav tsum tau sim nrog lub tshuab hluav taws xob lossis lub teeb pom kev zoo (lub teeb hluav taws xob yuav tsum zoo ib yam li lub zog hluav taws xob hluav taws xob).
3. Paub qhov txawv ntawm qhov sib hloov tam sim no thiab ncaj qha tam sim no.
Thaum ntsuas alternating tam sim no, nruab nrab ntawm lub raj neon teeb; Thaum ntsuas qhov hluav taws xob ncaj qha, tsuas yog ib qho ntawm ob tus ncej ntawm lub raj neon teeb.
4. Txheeb xyuas qhov zoo thiab qhov tsis zoo hauv av ntawm DC system.
Feem ntau, DC systems ntawm cov chaw nres tsheb fais fab thiab cov chaw nres tsheb yog insulated los ntawm hauv av. Yog tias lub raj neon teeb pom kev thaum kuaj nrog lub tshuab hluav taws xob, nws txhais tau tias lub kaw lus muaj qhov tshwm sim hauv av (qhov tshwm sim hauv av tsis tuaj yeem tshawb pom thaum qhov tshwm sim hauv av tsis muaj zog). Yog tias qhov chaw ci ntsa iab nyob ze ntawm qhov kawg ntawm tus cwj mem, nws txhais tau hais tias tus ncej zoo muaj qhov txhaum hauv av; yog tias qhov chaw ci ntsa iab ze rau qhov kawg ntawm tus ntiv tes, nws txhais tau hais tias tus ncej tsis zoo muaj qhov ua txhaum hauv av.
Ntau yam xwm txheej rau lub raj neon kom tawm lub teeb: ① ntsuas qhov hluav taws xob siab tshaj qhov hluav taws xob hluav taws xob ntawm lub raj neon, AC yog li 50V, thiab DC yog li 90V; ② qhov tam sim no dhau los ntawm lub raj neon yuav tsum ntau dua li ib qho nqi, feem ntau ntau dua 2μA (thaum qhov hluav taws xob tsis tu ncua, Nws raug txiav txim siab los ntawm qhov tsis kam ntawm 1 ~ 3MΩ tam sim no limiting resistor hauv electroscope).
