Txhim kho lub hwj chim insulators ntawm cov xov hlau ntawm txoj kev xa tawm tuaj yeem tiv thaiv qhov teeb meem ntawm kev sib tsoo induction electrification ntawm cov xov hlau thiab ua kom tiav cov rwb thaiv tsev ntawm cov xov hlau thiab hauv av. Txawm li cas los xij, thaum lub sijhawm kev teeb tsa tshwj xeeb, vim tias txoj kev teeb tsa tsis sib xws, cov insulators tsis tuaj yeem siv tag nrho tom qab kev teeb tsa, uas cuam tshuam rau kev nyab xeeb ntawm txoj kev faib khoom. Yog li ntawd, insulators yuav tsum tau muab ntsia rau hauv nruj raws li cov kev cai. Ua tib zoo mloog cov teeb meem hauv qab no thaum lub sijhawm teeb tsa.
1. Raws li cov lus qhia meej ntawm kev teeb tsa cable insulators nyob rau hauv "Distribution Line Code", pab neeg tsim kho yuav tsum khaws cov zaus hloov hluav taws xob cable insulators tsawg kawg 2.5m saum av thaum lub sijhawm teeb tsa. Nyob rau hauv "Technical Regulations for Rural Low-Voltage Electric Power", kuj tseem muaj cov kev cai kom meej tias cov insulator txuas yuav tsum tau nruab rau ntawm tus neeg xyuas pib qis 3 meters saum toj no hauv av.
2. Thaum tsim cov insulators, cov qauv txheeb ze yuav tsum tau ua raws li nruj me ntsis txhawm rau txhim kho kev ua haujlwm ntawm lub raj lossis xaiv cov khoom siv raw. Tam sim no, ntau cov qauv rau cov khoom siv insulator thiab kev tsim khoom tau raug siv, xws li "Technical Requirements for High-voltage Insulator Porcelain Parts" (GB772-87); "Technical Requirements for Low-voltage Insulator Porcelain Parts" (GB773-93); "Insulator Test Methods" (GB775- 87); "Cov lus qhia insulators rau cov kab hluav taws xob overhead" (GB/TI386.2-1997), thiab lwm yam.
3. Thaum txhim kho cov insulators, pab neeg tsim kho yuav tsum xav txog qhov nruab nrab qhov siab ntawm qhov chaw teeb tsa, xws li kev ua haujlwm kub yog -40 ~ 40 degree; Qhov kub txhua hnub sib txawv: 25 degree; Qhov nruab nrab huab cua txhua hli yog qis dua 90%, thiab qhov nruab nrab cua nruab nrab txhua hnub yog qis dua 95 degree; Nws tuaj yeem tiv taus av qeeg loj heev ntawm qhov loj 8. Qee thaj tsam tuaj yeem hloov kho kom haum raws li cov xwm txheej hauv zos.
4. Cov conductors thiab insulators feem ntau yog ntsia sab nraum zoov.
Thaum txhim kho lub hwj chim insulators, txhawm rau kom cov insulators ua tau zoo dua, yuav tsum tau ua raws li kev ceev faj kom tsis txhob muaj xwm txheej.
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