Thaum lub sijhawm ua haujlwm ntawm cov khoom siv hluav taws xob siab -voltage xws li transformers, roj Circuit Court breakers, roj- cov cables, lub hwj chim capacitors thiab roj bushings, kev ua haujlwm ntawm cov roj insulating yuav maj mam deteriorate vim qhov kev ua ntawm oxygen. , kub kub, siab humidity, tshav ntuj, muaj zog hluav taws xob teb thiab impurities. , yog li ntawd nws tsis tuaj yeem ua tiav nws cov txiaj ntsig insulating, yog li cov roj insulating yuav tsum tau kuaj tsis tu ncua txhawm rau txheeb xyuas seb nws qhov kev ua tau zoo puas lawm. Qhov zoo ntawm cov roj insulating yog ze ze rau kev tawg voltage.
Lub zog tawg yog qhov ntsuas ntawm lub peev xwm ntawm qhov nruab nrab kom tiv taus qhov hluav taws xob yam tsis muaj kev puas tsuaj. Nws yog ib qho ntawm cov cim tseem ceeb los ntsuas kev ua haujlwm ntawm cov roj transformer. Cov roj qhuav thiab huv si muaj qhov cuam tshuam loj heev. Lub ntsiab yam tseem ceeb cuam tshuam rau qhov tawg voltage ntawm transformer roj yog ya raws, impurities, kub, thiab lwm yam. Qhov kev sib raug zoo ntawm kub thiab tawg voltage yog ntau nyuaj. Rau qhuav, impurity - roj dawb, lub zog tawg yog khaws cia los ntawm qhov tsis yog - dissociation ntawm nruab nrab hais ntawm cov roj. ntawm.
Tab sis thaum cov roj muaj cov dej dawb, dej yaj lossis cov khoom muaj kuab paug, vim tias cov impurities no muaj cov khoom siv hluav taws xob ntau dua thiab cov dielectric tsis tu ncua tshaj li cov roj nws tus kheej, lawv yuav tsim ib tus choj conductive nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb thiab txo qhov tawg ntawm cov roj. Cov roj insulating dielectric zog tester tuaj yeem txiav txim seb puas muaj cov dej noo, impurities thiab cov khoom siv hluav taws xob hauv cov roj, tab sis nws tsis tuaj yeem txiav txim seb puas muaj cov kua qaub lossis cov sludge hauv cov roj.
Feem ntau, qhov tawg ntawm cov roj transformer tuaj yeem ncav cuag 70KV ua ntej degassed los ntawm lub tshuab nqus tsev pom thiab ntxiv rau lub transformer. Insulating roj yog ib qho tseem ceeb dielectric khoom nyob rau hauv hluav taws xob thiab industrial ntau lawm. Nws yog dav siv nyob rau hauv transformers thiab lwm yam khoom siv hluav taws xob thiab hluav taws xob rau cua txias thiab rwb thaiv tsev.