Dab tsi yog cov qauv kev ua yeeb yaj kiab ua haujlwm rau cov yas cua sov li cas?

Cov rwb thaiv tsev kev ua haujlwm ntawm cov yas ua cua sov yog qhov tseem ceeb heev, uas yog muaj feem xyuam nrog kev nyab xeeb thiab kev ruaj khov ntawm cov khoom siv.

I. Rwb thaiv tsev tsis kam ua qauv

Nyob rau hauv chav tsev kub, cov rwb thaiv tsev tsis kam ntawm cov yas ua cua sov lub hau feem ntau yuav tsum tsis pub tsawg tshaj 100mω (megaohms). Rwb thaiv tsev tsis kam yog qhov ntsuas tau yooj yim rau kev ntsuas cov rwb thaiv tsev rwb thaiv tsev ntawm dielaph. Qhov kev tiv thaiv zoo no tuaj yeem tiv thaiv cov to tam sim no thiab ua kom cov raj cua kub uas tsis muaj kev sib koom ua ke ntawm cov txheej txheem cua sov uas tsis muaj kev sib tw los ntawm cov khoom siv hluav taws xob lossis cov pwm. Thaum cov rwb thaiv tawm tsis kam yog tsawg dhau, xau yuav tshwm sim, ua rau muaj kev pheej hmoo ntawm kev ua haujlwm hluav taws xob, thiab tseem yuav cuam tshuam cov khoom siv hluav taws xob ua haujlwm.

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Ii. Withstand tetage

Withstand voltage tseem yog qhov taw qhia tseem ceeb rau kev ntsuam xyuas cov kev ua haujlwm rwb thaiv tsev ntawm cov pwm cua sov. Feem ntau, cov raj cua kub pwm lub raj yuav tsum muaj peev xwm tiv taus ib qho kev tiv thaiv siab uas tsis tau tawg. Piv txwv li, rau lub raj mis ua cua sov nrog lub tshuab hluav taws xob ntawm 220v, nws withstand voltage ntsuas feem ntau mus txog {}} v. Qhov no yog ua kom ntseeg tau tias hauv kev siv tiag tiag, txawm tias muaj txheej txheem hluav taws xob hloov pauv, cov rwb thaiv tsev txheej tuaj yeem tiv thaiv kev puas tsuaj rawv nti kom tiv thaiv kev puas tsuaj rwb thaiv tsev puas tsuaj. Yog tias tiv thaiv hluav taws xob tsis txaus, thaum ntsib cov hluav taws xob hluav taws xob nce ntxiv, cov txheej txheem hluav taws xob yuav tawg, ua rau muaj kab ke luv luv.

III. Rwb thaiv tsev cov khoom kev ua tau zoo

Cov ntaub ntawv rwb thaiv tsev ntawm cov yas ua kom sov kuj muaj cov qauv qauv nruj. Cov ntaub ntawv insulating xws li cov hmoov hlau zom, thiab lwm yam cov ntaub ntawv siab no. Dielectric siab tas li tuaj yeem ua kom muaj kev sib cais ua tau zoo ntawm qhov kev txiav txim ntawm hluav taws xob teb; Qes cov khoom poob qis tuaj yeem txo cov hluav taws xob poob ntawm lub zog hluav taws xob hauv cov khoom siv rwb thaiv tsev thiab hloov nws mus rau hauv tshav kub kom tsis txhob muaj cua sov. Zoo thermal stability muab cov khoom rwb thaiv tsev kom tswj hwm nws cov kev ua haujlwm rwb thaiv tsev thaum lub raj kub ua haujlwm, thiab yuav tsis tshwm sim vim qhov kub thiab kub. Rwb thaiv tsev kev ua tau qis dua lossis decompose.

IV. Cov Qauv Txheej Txheem Kev Hloov Kho

Cov rwb thaiv tsev kev ua haujlwm ntawm cov pwm cua sov kuj tseem yuav tsum txiav txim siab nws txoj kev ruaj ntseg hauv cov chaw sib txawv. Piv txwv li, hauv cov av noo noo, noo noo yuav nkag mus rau txheej txheej thiab txo cov rwb thaiv tsev tsis kam. Yog li ntawd, cov rwb thaiv tsev txheej ntawm lub raj cua kub raj yog qhov yuav tsum muaj qee qhov kev ua pov thawj noo noo. Nyob rau tib lub sijhawm, hauv ib puag ncig nrog tshuaj corrosive lossis tshuaj, lub insulating cov khoom siv, yog li ua kom nws txoj kev ua haujlwm rwb thaiv tsev tsis corroded.

Txhawm rau kom ntseeg tau tias lub raj cua kub ua kom pom cov qauv rwb thaiv tsev, nrog kev kuaj mob rwb thaiv tsev kuj yuav tsum tau kuaj xyuas kom meej kom muaj kev nyab xeeb thiab txhim khu kev qha ntawm cov cuab yeej.