Taw qhia: Vim li cas Siab -Voltage Circuit Breaker Parameters Matter
Hauv cov tshuab hluav taws xob hluav taws xob, siab -voltage circuit breakers yog qhov tseem ceeb rau kev nyab xeeb thiab ruaj khov-tshwj xeeb tshaj yog thaum siv nrog cov khoom tseem ceeb xws lilub zog load hloov, hluav taws xob load hloov, thiabac load hloov. Cov keyboards no ua haujlwm ua ke nrog siab -voltage circuit breakers los tiv thaiv cov teeb meem hluav taws xob. Rau ib tus neeg hauv kev lag luam, kev paub txog cov ntsiab lus tseem ceeb ntawm high -voltage circuit breakers yog qhov tseem ceeb. Txawm hais tias koj tab tom xaiv cov cuab yeej siv rau lub zog hluav taws xob lossis tswj cov tshuab uas twb muaj lawm, kev nkag siab cov ntsiab lus no pab koj ua haujlwm tau zoo dua thiab tsis txhob poob sijhawm. Hauv qab no yog ib qho yooj yim tawg ntawm cov ntsiab lus tseem ceeb ntawm high -voltage circuit breakers, nrog rau lawv ua haujlwm li cas nrog cov khoom siv xws li ac load switch thiab fais fab mov hloov.
1. Rated Voltage
Rated voltage yog cov kab hluav taws xob ib txwm muaj uas lub siab -voltage circuit breaker tuaj yeem ua haujlwm ntev. Nws unit yog kilovolts (kV). Qhov no parameter yog ze ze rau li cas pab kiag li lawm zoo li lubhluav taws xob load hloovua haujlwm. Ob lub Circuit Court breaker thiab hluav taws xob hloov hluav taws xob xav tau tib qhov ntsuas hluav taws xob kom ua haujlwm zoo ua ke. Piv txwv li, 220 kV siab- qhov hluav taws xob hluav taws xob hluav taws xob yuav tsum tau ua ke nrog 220 kV hluav taws xob hloov hluav taws xob txhawm rau tiv thaiv overloads thiab ua kom lub zog ntws zoo.
2. Rated Tam sim no
Rated tam sim no yog qhov siab tshaj plaws tam sim no lub Circuit Court breaker tuaj yeem nqa tsis tau - nres nyob rau hauv nws qhov ntsuas voltage. Nws ntsuas hauv amperes (A). Thaum teeb tsa lub tshuab hluav taws xob, nws yog ib qho tseem ceeb kom phim lub Circuit Court breaker qhov ntsuas tam sim no nrog rauac load hloovlub peev xwm nqa tam sim no. Yog tias cov nuj nqis no tsis sib xws, cov cuab yeej yuav overheat lossis tawg. Tias yog vim li cas cov kws tshaj lij feem ntau xaiv qhov hloov pauv ac load thiab siab -voltage Circuit Court breaker raws li kev teeb tsa. Qhov ntsuas tam sim no tseem cuam tshuam qhov twglub zog load hloovsiv - ob lub cuab yeej yuav tsum tau ua haujlwm ntawm lub cev tam sim no yam tsis muaj teeb meem.
3. Kev ua haujlwm siab tshaj plaws
Hauv kev siv tiag tiag, qhov hluav taws xob ntawm qhov hluav taws xob kawg yog feem ntau siab dua qhov ntsuas hluav taws xob. Txhawm rau kom paub tseeb tias lub tshuab hluav taws xob ua haujlwm hauv cov xwm txheej no, muaj qhov ua haujlwm siab tshaj plaws. Rau cov khoom siv txog li 220 kV, qhov no yog 1.15 npaug ntawm qhov ntsuas hluav taws xob. Rau cov khoom siv 330 kV, nws yog 1.1 npaug ntawm qhov ntsuas hluav taws xob. Qhov kev ntsuas no yog qhov tseem ceeb thaum lub tshuab hluav taws xob siv hluav taws xob hloov hluav taws xob, vim tias qhov hloov pauv tseem xav tau los tswj qhov hluav taws xob me me dhia saum tus nqi ntsuas. Ib yam li ntawd, covhluav taws xob load hloovsiv lub Circuit Court breaker qhov siab tshaj plaws kev khiav hauj lwm voltage los teem nws tus kheej tiv thaiv, ua kom tag nrho cov system ruaj khov thaum voltage nce.
4. Rated Arc-Txoj tam sim no
Rated arc-tawg tam sim no yog qhov siab tshaj plaws luv luv-circuit tam sim no lub Circuit Court breaker tuaj yeem txiav tawm hauv qab nws qhov ntsuas voltage. Nws chav tsev yog kiloamperes (kA). Qhov no yog ib qho tseem ceeb tshaj plaws rau kev nyab xeeb, raws li nws qhia koj tias qhov hluav taws xob hluav taws xob tuaj yeem tso tawm arcs thaum lub sijhawm luv luv. Thaum siv cov hluav taws xob hloov hluav taws xob, lub Circuit Court breaker qhov ntsuas arc -tawg tam sim no yuav tsum muaj zog txaus los tuav luv luv - Circuit Court tam sim no uas lub hloov pauv tsis tuaj yeem nres ib leeg. Piv txwv li, yog tias cov hluav taws xob hloov hluav taws xob pom muaj teeb meem tab sis tsis tuaj yeem tso tawm tag nrho cov arc, qhov siab -voltage Circuit Court breaker kauj ruam hauv kev ua kom muaj kev nyab xeeb.
5. Dynamic Stability Tam sim no
Dynamic stability tam sim no yog qhov siab tshaj plaws tam sim no luv luv -circuit tam sim no lub Circuit Court breaker tuaj yeem ua haujlwm yam tsis muaj dabtsi yog khoov lossis tawg. Nws ntsuas hauv kA. Qhov kev ntsuas no yuav pab lub Circuit Court breaker sawv ntsug ntawm lub cev muaj zog ntawm tam sim ntawd luv luv -circuit, thiab nws ua haujlwm nrog ac load hloov mus ua kom lub cev tsis zoo. Lub ac load hloov feem ntau ua ntej, tab sis thaum lub sij hawm muaj zog tam sim ntawd tam sim no, lub Circuit Court breaker dynamic stability tam sim no tiv thaiv nws los ntawm kev puas tsuaj - nres ntau teeb meem nyob rau hauv lub hwj chim system.
6. Thermal Stability Tam sim no
Thermal stability tam sim no yog qhov siab tshaj plaws luv luv -circuit tam sim no lub Circuit Court breaker tuaj yeem nqa tau rau lub sijhawm teem (feem ntau 4 vib nas this) yam tsis muaj kev sib cuag overheating. Nws unit yog kA. Qhov kev ntsuas no muaj feem cuam tshuam txog qhov zoo ntawm qhov hluav taws xob hluav taws xob thiab lub zog hluav taws xob hloov pauv tuaj yeem tshem tawm cov cua sov. Thaum ib tug luv luv Circuit Court tshwm sim, lublub zog load hloovtuaj yeem nqa qee qhov tam sim no thaum xub thawj. Tab sis lub Circuit Court breaker lub thermal stability tam sim no cia nws tswj cov cua sov los ntawm luv luv -circuit tam sim no kom txog rau thaum qhov teeb meem kho, tiv thaiv ob qho tib si los ntawm tshav kub puas.
7. Lub Sijhawm Kaw
Kaw lub sij hawm yog lub sij hawm txij li thaum lub Circuit Court breaker lub kaw coil tau txais lub hwj chim mus rau thaum tag nrho nws cov theem tiv tauj. Nws tseem hu ua lub sij hawm kaw qhov pib. Rau kev ceev ceev - ua haujlwm Circuit Court breakers, lub sij hawm no feem ntau tsis ntau tshaj 0.2 vib nas this. Lub sijhawm kaw nrawm yog qhov tseem ceeb rau kev ua haujlwm nrog lub ac load hloov, vim tias nws cia lub Circuit Court breaker sai sai rov qab zog tom qab muaj teeb meem ib ntus. Lub Circuit Court breaker qhov kaw nrawm thiab lub ac load hloov lub sij hawm teb ua haujlwm ua ke kom tau txais lub zog rov qab sai hauv kev siv tseem ceeb.
8. Lub Sijhawm qhib
Lub sij hawm qhib yog lub sij hawm txij li thaum lub Circuit Court breaker lub qhib coil tau txais lub hwj chim mus rau thaum nws cov neeg sib cais tag nrho thiab tso tawm lub arc. Nws yog hu ua lub sij hawm qhib. Rau kev ceev ceev - ua haujlwm Circuit Court breakers, qhov no feem ntau tsis ntau tshaj 0.06 vib nas this. Lub sij hawm qhib ceev tiv thaiv hluav taws xob hloov hluav taws xob thiab lwm yam khoom siv los ntawm kev cais cov ntu tsis raug sai. Thaum lub tshuab hluav taws xob hloov hluav taws xob pom tias muaj kev cuam tshuam ntau dhau lossis luv luv, lub sijhawm qhib hluav taws xob hauv Circuit Court nres qhov teeb meem tsis txhob kis mus rau lwm qhov ntawm lub cev.
9. Lub voj voog ua haujlwm
Feem ntau luv luv - teeb meem ntawm cov kab hluav taws xob overhead yog ib ntus (xws li xob laim lossis kev puas tsuaj rau noog). Txhawm rau ua kom lub zog siv hluav taws xob txhim khu kev qha, cov kab sib kis feem ntau siv rov qab tsis siv neeg. Qhov no txhais tau hais tias lub Circuit Court breaker yuav tsum qhib thiab kaw luv luv - Circuit Court tam sim no rov ua dua nyob rau lub sijhawm luv luv - qhov no yog hu ua lub voj voog ua haujlwm.
Automatic Recloseing Operating Cycle: Qhib - θ - Kaw Qhib - t - Kaw Qhib. θ (tsis muaj lub sijhawm tam sim no) feem ntau yog 0.3 vib nas this lossis 0.5 vib nas this; t (yuav tsum tau lub sijhawm fais fab) yog 180 vib nas this.
Tsis yog- Tsis Siv Neeg Rov Ua Haujlwm Cycle: Qhib - t - Kaw Qhib - t - Kaw Qhib. t (yuav tsum tau lub sijhawm fais fab) yog 15 vib nas this.
Lub voj voog no yog tsim los ua haujlwm nrog lub hwj chim load hloov thiab hluav taws xob hloov hluav taws xob. Qhov rov qhib thiab kaw yuav tsum phim cov keyboards lub xeev kom tsis txhob ua yuam kev. Piv txwv li, tom qab lub Circuit Court breaker recloses, lub hwj chim load hloov yuav tsum tig rov qab smoothly rov qab mus rau lub qub zog txaus. Qhov no qhia tau hais tias nws tseem ceeb npaum li cas rau cov khoom kom muaj kev sib txuam ua haujlwm.
Xaus
Paub txog qhov tseem ceeb ntawm qhov siab -voltage circuit breakers yog qhov tseem ceeb rau cov kws tshaj lij hluav taws xob-tshwj xeeb tshaj yog thaum siv lawv nrog lub hwj huam hloov pauv, hluav taws xob hloov hluav taws xob, thiab hloov ac load. Cov kev ntsuas no tsis tsuas yog qhia koj li cas lub Circuit Court breaker ua haujlwm tab sis kuj zoo npaum li cas nws haum nrog lwm qhov system. Los ntawm kev nkag siab thiab xaiv qhov tsis zoo, koj tuaj yeem ua rau koj lub zog muaj kev nyab xeeb, txhim khu kev qha, thiab ua haujlwm zoo dua. Qhov no txo cov nqi txij nkawm thiab ua kom lub zog khiav tsis muaj kev cuam tshuam. Txawm hais tias koj tab tom ua haujlwm ntawm lub zog loj lossis kev teeb tsa me me, cov lus piav qhia yooj yim no yuav pab koj xaiv cov kev xaiv ntse thaum xaiv thiab siv siab -voltage circuit breakers thiab lawv cov keyboards txhawb.
Hais txog peb
Zhejiang Lvma Electric Co., Ltd. (LVMA) yog ib tug ua ISO 9001 certified chaw tsim tshuaj paus ntawm tis transformers, nrog rau 17 xyoo kev mob siab rau ntau lawm kev. Peb tshwj xeeb hauv high- roj zoo-immersed thiab qhuav- hom transformers, ua haujlwm thoob ntiaj teb kev lag luam suav nrog Europe, Middle East, South America, Southeast Asia, thiab Africa.
Founded hauv 2018, LVMA tau loj hlob raws li kev coj noj coj ua ntawm Mr. Ye Jinfei- ib tug qub tub rog nrog ntau tshaj 40 xyoo nyob rau hauv R&D uas tau pab txhawb rau Tuam Tshoj tus GB qauv tsim. Peb pab neeg muaj ntau tshaj 40 patents thiab cog lus rau innovation, zoo, thiab kev nyab xeeb nyob rau hauv txhua yam khoom peb xa.
Los ntawm kev txhim kho tas mus li -los ntawm kev soj ntsuam cov tshuab ntse thiab cov kev daws teeb meem ntsuab rau cov khoom siv digital- peb tau hloov zuj zus los ntawm cov chaw tsim khoom ib txwm muaj rau hauv cov chaw tsim khoom ntse, ntsuab hluav taws xob daws teeb meem, lees paub thoob ntiaj teb rau kev ntseeg siab thiab kev pabcuam tshaj lij.