Txheej txheem cej luam

Tshem tawm fuse yog ib qho khoom siv tiv thaiv hluav taws xob sab nraum zoov.Nws yog feem ntau siv luv luv tiv thaiv kev hloov pauv rau cov ceg kab ntawm cov kab xa tawm thiab cov hloov pauv hloov pauv.Nws yog tsuas yog siv los tiv thaiv transformers los yog kab los ntawm kev cuam tshuam los ntawm luv luv Circuit Court, overload thiab hloov tam sim no.Nws muaj cov yam ntxwv ntawm kev lag luam, kev ua haujlwm yooj yim thiab muaj zog adaptability rau sab nraum zoov ib puag ncig.Nyob rau hauv qhov xwm txheej ntawm qhov txhaum tam sim no, lub fuse yuav tshuab thiab tsim ib qho arc.Lub arc extinguishing raj yog rhuab thiab tawg, ua rau high voltage.Lub fuse tam sim no nyob rau hauv txoj hauj lwm qhib thiab tus neeg teb xov tooj yuav tsum tau tua tam sim no.Kaw los ntawm insulating kub daim kab xev.Cov kev sib cuag tseem ceeb thiab kev pabcuam pabcuam tau txuas nrog.Nws yog ntsia rau ntawm ceg kab ntawm 10kV faib kab, uas tuaj yeem txo cov hluav taws xob hluav taws xob ntau.Vim tias nws muaj qhov cuam tshuam tsis zoo, nws muaj lub luag haujlwm ntawm kev hloov pauv, tsim kom muaj kev nyab xeeb ua haujlwm rau cov kab thiab cov khoom siv hauv kev saib xyuas, thiab ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm tu.

Kev daws teeb meem

(1) Lub fuse ntawm thawj sab ntawm lub transformer yog siv los ua kev tiv thaiv thaub qab rau lub transformer nws tus kheej thiab lwm yam sab nraud tawm kab txhaum.Nws cuam tshuam nrog lub sijhawm ua haujlwm ntawm substation outgoing kab hloov relay tiv thaiv, thiab yuav tsum tsawg tshaj li lub sijhawm tawg ntawm substation qhov hluav taws xob Circuit Court breaker.Nws yuav tsum tau hais tias lub fuse yog fused thiab lub qhov hluav taws xob Circuit Court breaker tsis ua.Yog hais tias lub peev xwm transformer qis dua 100kV.A, lub fuse ntawm thawj sab tuaj yeem xaiv tau 2-3 zaug ntawm qhov ntsuas tam sim no;Rau kev faib transformer ntawm 100kV.A thiab siab dua, lub fuse ntawm thawj sab tuaj yeem raug xaiv raws li 1.5 ~ 2 zaug ntawm qhov ntsuas tam sim no.

(2) Cov ceg kab lub ntsiab fuse yog siv los tiv thaiv overload.Feem ntau, qhov ntsuas tam sim no ntawm lub fuse raug xaiv raws li qhov siab tshaj plaws load tam sim no ntawm ceg kab.Lub sij hawm fusing yuav tsum tsawg tshaj li lub sij hawm teem ntawm substation outgoing kab hloov tam sim no tiv thaiv ntaus ntawv.

(3) Kev ua haujlwm thiab kev saib xyuas tus as-qhauj thiab kev tso tawm fuses yuav tsum raug tsim.Tshem tawm cov fuses uas tau ua haujlwm rau ntau tshaj 5 xyoos yuav tsum tau hloov pauv hauv cov khoom siv.

(4) Txhim kho cov txheej txheem thev naus laus zis thiab kev saib xyuas ntawm cov neeg siv hluav taws xob.Thaum txhim kho lossis hloov lub fuse, lub zog yuav tsum tsim nyog kom tsis txhob xoob dhau los yog nruj heev.

(5) Rau qhov tsis sib xws ntawm qhov tsis sib xws ntawm ob qhov kawg ntawm lub raj fuse, cov chaw tsim khoom yuav tsum ua "chamfering" kho lossis ua lwm yam kev txhim kho.

Installation ntawm cov fuses tso tawm

(1) Thaum lub sij hawm txhim kho, cov yaj yuav tsum tau nruj (kom cov yaj tuaj yeem tiv taus lub zog tensile ntawm li 24.5N), txwv tsis pub qhov kev sib cuag yuav raug overheated.Lub fuse ntsia rau ntawm tus ntoo khaub lig caj npab (thav duab) yuav tsum ruaj thiab txhim khu kev qha yam tsis muaj kev co lossis co.

(2) Lub raj melting yuav tsum muaj lub downward inclination lub kaum sab xis ntawm 25 ° ± 2 °, kom lub melting tube yuav poob sai sai los ntawm nws tus kheej qhov hnyav thaum tshuab tawm lub yaj.

(3) Lub fuse yuav tsum tau muab ntsia rau ntawm tus ntoo khaub lig caj npab (ncej).Rau kev nyab xeeb, qhov kev ncua deb ntawm cov av yuav tsum tsis pub tsawg tshaj 4m.Yog tias nws tau teeb tsa saum toj ntawm lub tshuab hluav taws xob faib tawm, kab rov tav qhov deb ntawm ntau dua 0.5m yuav tsum tau khaws cia los ntawm sab nrauv contour ciam teb ntawm lub transformer.Lub caij nplooj zeeg ntawm cov yeeb nkab yaj ua rau lwm yam xwm txheej.

(4) Qhov ntev ntawm lub fuse yuav tsum tau kho kom haum.Kev txiav txim siab txog kev nyab xeeb xav tau tias lub duckbill tuaj yeem khaws ntau tshaj li ob feem peb ntawm qhov ntev ntawm qhov kev sib cuag tom qab nws raug kaw kom tsis txhob ua rau nws tus kheej poob qis thaum ua haujlwm.Lub fuse tube yuav tsum tsis txhob kov lub duckbill kom tiv thaiv lub raj melting los ntawm lub sij hawm tom qab lub yaj tau tawg.

(5) Cov yaj siv yuav tsum yog cov khoom lag luam ntawm cov chaw tsim khoom ib txwm muaj thiab muaj qee yam khoom siv zog.Kev xav txog kev nyab xeeb feem ntau xav kom cov yaj tuaj yeem tiv taus lub zog tensile ntau dua 147N.

(6) 10kV tso tawm fuse yog ntsia sab nraum zoov kom muaj kev nyab xeeb thiab qhov kev ncua deb yuav tsum siab tshaj 70cm.

Lus Cim: Feem ntau, nws tsis raug tso cai rau kev khiav lag luam tawm fuse ntawm kev thauj khoom, tab sis tsuas yog tso cai rau kev khiav lag luam tsis muaj cov khoom siv thauj khoom (kab).Txawm li cas los xij, nyob rau hauv cov xwm txheej tshwj xeeb, nws raug tso cai thauj khoom raws li qhov xav tau

Cov ntsiab lus ib nrab