Feem ntau ntawm cov kab hluav taws xob ntawm cov hluav taws xob hluav taws xob ntau tshaj 10, 000 volts, qee cov kab hluav taws xob mus txog 100, 000 volts, 500, 000 volts, yog tias koj xav tau Txhawm rau muab cov kab hluav taws xob zoo li no, cov rwb thaiv tsev tuab ntawm cov xov hlau zoo tib yam nyob deb ntawm qhov txaus, peb feem ntau cov xaim hluav taws xob hauv tsev, qhov hluav taws xob tsuas yog 220V, tsuav yog ib txheej ntawm cov rwb thaiv tsev nyias nyias qhwv los tiv thaiv kev sib cuag nrog cov hluav taws xob tiv thaiv hluav taws xob, tab sis cov cuab yeej siv hluav taws xob tsis zoo ib yam, cov neeg sawv ntawm ib sab ntawm qhov deb, txawm tias tsis nyob hauv kev sib cuag tseem yuav ua rau hluav taws xob. Ib yam li ntawd, cov neeg sawv ntawm ib sab ntawm cov khoom siv hluav taws xob high-voltage ntawm qhov deb, txawm tias tsis nyob hauv kev sib cuag tseem yuav ua rau hluav taws xob.
Electrocution tshwm sim los ntawm high voltage yuav muab faib ua kauj ruam voltage electrocution thiab high voltage arc electrocution ob hom:
Kauj ruam voltage electrocution yog hais txog cov high-voltage kis kab mob yog hais tias lub caij nplooj zeeg nyob rau hauv lub ntiaj teb no, muaj ib tug tam sim no ntws mus rau hauv lub ntiaj teb, cov av nyob ze lub peev xwm yuav maj mam txo mus rau qhov deb, ces ob txhais taw ntawm tib neeg txoj hauj lwm muaj. qhov sib txawv ntawm qhov voltage, qhov tam sim no ntws los ntawm tib neeg lub cev los ntawm electrocution, uas yog cov kauj ruam voltage electrocution.
High-voltage arc hluav taws xob poob siab yog thaum ib tug neeg nyob ze rau lub high-voltage them lub cev mus rau ib tug tej yam kev ncua deb, high-voltage them lub cev thiab tib neeg lub cev ntawm lub paug tshwm sim yuav tshwm sim, tam sim no ntws los ntawm tib neeg lub cev tshwm sim los ntawm high-voltage. voltage arc hluav taws xob shock.
Cov kev cai tshiab tshaj plaws ntawm qib voltage ntawm 1kV lossis ntau dua txhais tau tias yog qhov hluav taws xob siab, tam sim no nyob rau hauv lub nroog ntawm cov kab hluav taws xob (txoj kev ncej ntawm hom) yog qhov pib ntawm 10kV kab, tsis muaj qhov xav tsis thoob tau hloov nrog cov kab insulated, uas yog, cov ntsiab lus hais. "pob nrog rwb thaiv tsev", lub thickness ntawm cov rwb thaiv tsev txheej tsis siab, yog li tus nqi ntawm qhov tsis tshua muaj kev cuam tshuam, vim hais tias 10kV kab nrog rau cov pej xeem kev sib cuag ntau lub sij hawm, yog li ntawd cov insulated kab tuaj yeem txhim kho kev nyab xeeb ntawm kev ua haujlwm, uas yog heev. tsim nyog.
Txawm li cas los xij, yog tias 110kV thiab cov kab saum toj no tau ua rau hauv cov kab hluav taws xob, lub thickness ntawm nws cov txheej rwb thaiv tsev yog qhov loj heev, uas ua rau cov txiaj ntsig tau txais txiaj ntsig ntau ntxiv, thiab nws coj qee qhov teeb meem kev ua haujlwm, ua ntej, cov cua sov dissipation tsis zoo. , thiaj li yuav txo tau cov cua kub dissipation, nws tsuas yog ua tau kom txo tau tus nqi ntawm nws tam sim no-nqa peev xwm, uas nyob rau hauv qhov tseeb kuj nce nqi, thiab qhov thib ob, lub zog ntawm xws li ib tug hnyav kab yuav txo tau heev, thiab cov kab. Kev ncua yuav raug txo qis, Kev Xav tau los tsim ntau cov yees, peb, kev teeb tsa thiab kev tsim kho tsis zoo heev, nyob rau qee qhov chaw uas txoj kev siv tsis tau, tej zaum yuav tsis tuaj yeem nqa kev tsim kho.
Yog li ntawd, yog tias 110kV thiab saum toj no yuav raug hloov mus rau cov kab insulated, tus nqi yuav tsawg kawg yog 3 mus rau 5 npaug ntau dua, txhua xyoo kev nqis peev hauv hluav taws xob raug txwv, yog tias siv cov kab hluav taws xob insulated yuav tsawg dua kev tsim kho ntawm 3 mus rau 5 npaug. kab, uas yog heev unfavorable rau lub teb chaws kev lag luam kev tsim kho, lub thiaj li hu ua rwb thaiv tsev rwb thaiv tsev, muab tso rau nws meej yog ua si ib tug insulating, kev nyab xeeb lub luag hauj lwm, no insulator rau high-voltage kab, yog ib tug teeb, vim hais tias nyob rau hauv pem hauv ntej ntawm Kev kub siab, huab cua tuaj yeem tawg los ntawm cov khoom siv hluav taws xob, cov rwb thaiv tsev tsis muaj txiaj ntsig, nyob rau hauv ib txwm muaj, 10 kV ntawm kev kub siab tuaj yeem tawg los ntawm ntau tshaj 1 cm ntawm huab cua conductive, raws li lub teb chaws kev specifications, high-voltage kis kab yuav tsum tau teem. nce kom cov hlau nyob deb ntawm hauv av los yog vaj tse, qhov kev ncua deb yog tsawg kawg yog ob peb meters los yog kaum ntawm meters deb, yog li ntawd, nyob rau hauv lub kis kab mob thiab hauv av los yog vaj tse, raws li zoo raws li muaj peev xwm ntawm cov neeg tshwm nyob rau hauv nruab nrab. ntawm qhov chaw nruab nrab ntawm qhov kev ncua deb uas muaj huab cua, qhov kev ncua deb tsis txaus, tab sis nws yog ib qho tseem ceeb heev ntawm cov kab hluav taws xob siab. Yog li ntawd, qhov kev ncua deb ntawm txoj kab sib kis thiab hauv av lossis lub tsev, nrog rau qhov chaw uas cov neeg tuaj yeem tshwm sim, yog sib cais los ntawm qhov chaw uas muaj huab cua.
Thiab cov huab cua nws tus kheej yog ib tug zoo insulator, nws breakdown voltage feem ntau yog ntau tshaj 3 kV / mm, thiab cov nyhuv ntawm zoo tib yam resin-raws li insulating plastics yog muab piv, uas yog hais tias, piv txwv li, ntawm 110 kV high-voltage hwj chim. kab, theoretically, ntev npaum li qhov kev ncua deb ntawm tus neeg ntau dua 40 millimeters, tus neeg muaj kev nyab xeeb, tab sis qhov sib nrug ntawm qhov tseeb yog feem ntau nyob rau hauv 5 meters, uas yog, 5, 000 millimeters lossis ntau dua, qhov tsawg tshaj plaws kuj nyob rau hauv 2 meters los yog ntau tshaj, feem ntau nyob rau hauv ib txwm muaj xwm txheej, tsis tas yuav qhwv lwm yam insulator, tsuav yog koj tuav ib tug tej yam spatial nyob deb, huab cua yuav ua si ib tug zoo insulating nyhuv, tus kheej kev nyab xeeb yog tag nrho guaranteed, yog hais tias lub siab. -voltage kab qhwv nyob rau hauv yas insulators xws li resin, ib tug zoo heev nce tus nqi ntawm kev tsim cov hlau, thiab qhov thib ob yog ua rau kom qhov hnyav ntawm cov xov hlau thiab qhov nyuaj ntawm kev teeb tsa, vim hais tias cov insulating yas rwb thaiv tsev nrog cov huab cua yog yuav luag. tib yam, thiab thaum kawg cov high-voltage kab ntawm kev nyab xeeb tab sis tsis tau txais kev txhim kho, yog li nws yog ntau tshaj qhov tsim nyog.
Qhov tsuas yog txaus ntshai ntawm liab qab high-voltage xov hlau yog hais tias thaum lawv tawg thiab poob rau hauv av los yog vaj tse, lawv ua rau muaj kev pheej hmoo ntawm hluav taws xob, yog li muaj kev xav tau siab ntawm lub zog ntawm cov xov hlau, erection cov tswv yim thiab kev soj ntsuam txhua hnub, uas yog. txaus los tiv thaiv kev phom sij ntawm kev tawg thiab tawg ntawm hluav taws xob, thiab tsuas yog thaum muaj qee yam kev puas tsuaj uas tsis tuaj yeem tiv taus, xws li av qeeg, hluav taws kub thiab dej nyab, nws yog ib qho tsim nyog yuav tsum tau txiav cov xov hlau hauv lub sijhawm kom tiv thaiv kev phom sij. ntawm qhov muaj peev xwm to, thiab yog tias koj pom tias cov kab hluav taws xob high-voltage tawg thiab poob rau hauv av, kev nyab xeeb yog tswj kom nyob deb li ntawm 20 meters los ntawm nws kom tsis txhob muaj kev sib tsoo hluav taws xob, thaum cov kab hluav taws xob sab nraum zoov, ntev li ntev tau. raws li lawv tau tsa rau ib qho siab thiab tsis muaj vaj tse nyob rau hauv thiab nyob ze ntawm cov nyiaj siv ua haujlwm, txawm tias nws yog high-voltage los yog tsawg-voltage, yog ua los ntawm liab qab conductors, uas txo cov nqi ntawm kev tsim kho, thiab muaj kev ruaj ntseg txaus. nyob deb, qhov tshwm sim ntawm kev sib tsoo hluav taws xob yog qhov tsawg heev, thiab nyob rau hauv cov ntaub ntawv ntawm sab nraum zoov overhead kab nyob rau hauv cov cheeb tsam nyob deb nroog yuav tsis xav tau cov xov hlau nrog rwb thaiv tsev.
High-voltage thiab low-voltage yog feem ntau liab qab nyob ntawm tej, nyob rau hauv lub qub nroog cheeb tsam ntawm lub nroog nyob ze ntawm lub low-voltage overhead kab, cov vaj tse muaj ntau ntom, feem ntau yog siv cov insulated xov hlau; vim yog cov kab hluav taws xob siab ntawm cov txheej txheem rwb thaiv tsev ntawm cov txheej txheem rwb thaiv tsev yog siab heev, cov txheej txheem kev tsim kho yog qhov nyuaj, tus nqi siab, feem ntau tseem siv cov xov hlau liab qab, siv qhov nce hauv qhov siab ntawm cov nyiaj siv ua haujlwm los tiv thaiv electrocution, nyob rau hauv kev txiav txim. kom zoo thiab muaj kev nyab xeeb, lub nroog tshiab tam sim no tsis tuaj yeem pom nyob rau hauv cov kab hluav taws xob overhead, high-voltage thiab low-voltage Lines raug faus rau hauv av, qhov tseeb, kuj tseem muaj cov kab hluav taws xob uas muaj hluav taws xob ntau qhwv hauv rwb thaiv tsev, uas yog , high-voltage cables, tshwj tsis yog tias tsim nyog kiag li, tsis siv, nws yog 10 npaug ntawm tus nqi ntawm cov kab hluav taws xob zoo tib yam, tib ntu ntu ntawm tus neeg xyuas pib, lub peev xwm nqa cable tam sim no tseem tsawg dua cov kab hluav taws xob, uas yog tseem nyob rau hauv cov ntaub ntawv ntawm lub cable siv tooj liab (overhead kab nrog txhuas)
Vim muaj ntau tshaj li ob xyoo caum ntawm lub zog system, cov kev cai thiab kev siv tshuab txuas ntxiv txhim kho, kev sib tsoo hluav taws xob tau txo qis, kev sib cuag nrog ntau tshaj 10kV voltage theem tsis muaj ntau lub sijhawm, yuav tsis tshua tshwm sim ntau dua 10kV voltage theem hluav taws xob sib tsoo. , yog li no cov kab hluav taws xob siab no tsis tas yuav tsum siv cov xov hlau insulated.