Lub hom phiaj ntawm lub load break switch yog dab tsi?

Lub qhov hloov hluav taws xob ua haujlwm yog txiav thiab cais cov kab hluav taws xob uas nqa cov hluav taws xob tam sim no kom muaj kev nyab xeeb. Nws yog ib qho tseem ceeb rau kev nyab xeeb hauv cov kab ke faib hluav taws xob nruab nrab thiab siab. Cov qhov hloov hluav taws xob txheem tsuas yog ua haujlwm thaum lub zog raug kaw. A kev sib txuas ntawm lub load break, ntawm qhov tod tes, tuaj yeem qhib cov voj voog kom muaj kev nyab xeeb thaum lub zog qhib yam tsis muaj kev pheej hmoo ntawm kev kub hnyiab lossis ua rau cov khoom siv puas tsuaj. Vim li no, nws yog qhov tsim nyog rau kev kho kho, kev kho dua tshiab ntawm lub kaw lus, thiab kev cais tawm thaum muaj xwm txheej ceev hauv cov tes hauj lwm xa hluav taws xob uas pabcuam cov chaw khaws ntaub ntawv, cov chaw tsim khoom hlau, thiab lwm yam lag luam. Lub cuab yeej no faib cov khoom siv hluav taws xob thiab siv cov thev naus laus zis arc extinction, xws li pneumatic cua blasts lossis cov ntaub ntawv insulating, kom sai sai tso tawm cov hluav taws xob arc uas ua thaum lub sijhawm hloov pauv. Qhov no tiv thaiv tib neeg thiab kev ruaj khov ntawm lub kaw lus.

Nkag Siab Txog Qhov Load Break Switch: Kev Txhais Lus thiab Cov Haujlwm Tseem Ceeb

Dab Tsi Ua Rau Load Break Switches Txawv Ntawm Cov Standard Disconnectors

Hauv cov txheej txheem faib hluav taws xob, cov khawm hloov pauv load ua lub luag haujlwm tshwj xeeb. Cov thev naus laus zis hloov pauv load cuam tshuam cov circuits energized ncaj qha thaum lawv tseem nqa cov hluav taws xob ua haujlwm ib txwm muaj. Cov khawm txiav tawm ib txwm muaj tsuas yog muab kev sib cais pom tseeb tom qab cov circuits raug de-energized los ntawm upstream breakers. Qhov sib txawv no hloov txoj kev saib xyuas thiab qhov yooj ywm ntawm lub kaw lus. Lub cuab yeej muaj cov chav arc extinction lossis cov txheej txheem uas txias thiab de-ionize lub plasma arc uas tsim thaum ob lub contacts raug muab sib nrug los ntawm voltage. Yog tias qhov feature no tsis muaj nyob ntawd, pib lub circuit uas twb qhib lawm yuav ua rau muaj arc tuag taus uas tuaj yeem ua rau tib neeg raug mob thiab ua rau cov khoom siv puas tsuaj.

Arc Extinction Mechanisms thiab Cov Ntsiab Cai Ua Haujlwm

Muaj ntau hom thev naus laus zis siv rau hauv cov hloov pauv hloov pauv niaj hnub los tswj kev ploj ntawm arc. Qee lub tshuab pneumatic, zoo li 24kV Pneumatic Type Load Break Switch LBS, siv cov piston-cylinder uas nias cua thaum lub sijhawm tso tawm. Lub zog ceev ntawm cov cua compressed hla qhov sib txawv ua rau lub txim taws txias thiab nthuav tawm cov khoom me me ionized uas nqa hluav taws xob. Txawm tias nyob rau hauv cov xwm txheej nyuaj, qhov kev sib txuas ua kom ntseeg tau tias lub zog ntawm lub zog ntawm huab cua nce mus rau hauv kab ncaj nraim nrog qhov qhib ceev. Qhov no tiv thaiv lub voj voog los ntawm kev ntaus dua. Lwm cov qauv tsim siv roj SF6 lossis lub raj mis siab, tab sis cov tshuab pneumatic zoo dua rau ib puag ncig thiab muaj qhov sib txawv meej ntawm cov khoom uas cov pab pawg saib xyuas nyiam thaum lub sijhawm ua haujlwm pabcuam.

Cov Kev Zoo Tseem Ceeb hauv Kev Siv Hauv Kev Lag Luam

Cov txiaj ntsig zoo tshaj qhov tsuas yog txiav lub voj voog xwb. Cov qhov hloov pauv load breaker txo cov khoom siv downtime los ntawm kev tshem tawm qhov xav tau los npaj ntau yam haujlwm hloov pauv los ntawm cov chaw taws teeb tswj hwm. Cov pab pawg saib xyuas tuaj yeem tua qee qhov ntawm cov tes hauj lwm faib khoom thaum tso cov circuits nyob ze kom them tag nrho. Qhov no ua rau cov chaw tsim khoom ua haujlwm, txawm tias thaum muaj hluav taws xob tsis xav txog uas raug nqi ntau heev ib feeb. Kev nyab xeeb rau cov neeg ua haujlwm tau txhim kho los ntawm kev tswj hwm kev hloov pauv thiab qhov sib cais meej, uas ua rau nws pom tseeb tias cov circuits tsis nyob lawm. Kev ruaj khov ntawm lub kaw lus nce siab vim tias cov khoom siv tiv thaiv sab saud tsis tas yuav ua haujlwm hloov pauv ntau npaum li cas, uas tsis yog lawv txoj haujlwm tseem ceeb thaum muaj qhov txhaum.

Hom thiab Kev Ntsuas ntawm Load Break Disconnect Switches

Kev faib tawm los ntawm Kev Tsim thiab Kev Pom Kev Cais

Kev paub txog ntau hom kev hloov pauv thauj khoom ua rau nws yooj yim dua los phim cov cuab yeej rau cov kev xav tau ua haujlwm tshwj xeeb. Cov qauv tsim kev tawg pom tseeb muaj qhov sib txawv ntawm cov neeg sib cuag uas tuaj yeem pom. Qhov no cia cov neeg kho khoom xyuas kom meej tias lub voj voog raug txiav tawm tag ua ntej lawv kov cov khoom siv ntxiv mus. Hauv cov teb uas muaj cov cai lockout-tagout nruj, qhov kev ua haujlwm no muaj txiaj ntsig zoo heev. Rau cov ntawv thov uas xav tau a kev sib txuas ntawm lub load break Nrog rau kev sib cais pom tseeb, cov qauv no feem ntau yog qhov kev xaiv zoo tshaj plaws. Hauv cov chaw ua haujlwm hnyav xws li cov chaw ua hlau thiab cov chaw ua cement, qhov twg cov hmoov av thiab cov huab cua corrosive ua rau cov khoom siv tsis ntev, cov hloov pauv tsis pom kev khaws cov neeg sib cuag hauv cov chav uas muaj hau. Cov hloov pauv no muaj qhov me me thiab kev tiv thaiv zoo dua los ntawm cov pa phem ib puag ncig.

Cov Kev Ntsuas Tseem Ceeb thiab Cov Qauv Xaiv

Yuav kom xaiv tau cov qhov hloov pauv kom raug, koj yuav tsum nkag siab tias ntau qib hluav taws xob cuam tshuam li cas rau ib leeg. Qhov ntsuas hluav taws xob qhia koj qhov siab tshaj plaws ntawm lub zog hluav taws xob uas lub cuab yeej tuaj yeem txiav thiab txiav tawm tau zoo. Feem ntau cov khoom siv muaj tus nqi rau 12kV, 24kV, lossis 36kV. Qhov ntsuas tam sim no qhia koj tias nws tuaj yeem siv tam sim no ruaj khov npaum li cas hauv ib puag ncig. Nws tuaj yeem nyob qhov twg los ntawm 200A rau kev siv faib me me mus rau 3,150A rau cov kab hloov pauv tseem ceeb. Lub peev xwm cuam tshuam qhia koj tias lub zog ntsuas ntau npaum li cas uas qhov hloov pauv tuaj yeem tawg tau zoo. Qhov no feem ntau yog muab ua tus lej, zoo li 100% rau cov khoom siv lub cev muaj zog thiab cov voj voog tiv taus.

Qib Kev Rwb Thaiv Hluav Taws Xob Qhia Tau Tias Lub Circuit Court Muaj Peev Xwm Ua Tau Ntau Npaum Li Cas Thaum Muaj Xwm Ceev. Lub qhov hloov hluav taws xob 24kV uas tsim los rau BIL 125kV tuaj yeem ua tau hluav taws xob ntawm 125 kilovolts yam tsis muaj flashover, uas ua rau cov khoom siv nyob deb ntawm txoj kab kom tsis txhob raug puas tsuaj los ntawm kev nce siab. Cov thawj coj yuav khoom yuav tsum xyuas kom meej tias cov nqi no siab dua li qhov uas lub kaw lus xav tau tiag tiag nrog qhov sib txawv txaus ntawm kev nyab xeeb, tshwj xeeb tshaj yog nyob rau hauv qhov chaw uas muaj ntau yam kev ua ub no lossis qhov chaw ib puag ncig hnyav.

Kev Sib Txawv ntawm Qib Kev Lag Luam thiab Qib Nyob

Cov qhov hloov pauv thauj khoom uas ua rau kev siv hauv kev lag luam yog tsim los kom kav ntev thiab tuaj yeem ua haujlwm ntau lub voj voog thiab ib puag ncig hnyav. Cov ntaub ntawv sib cuag hnyav tsis hnav los ntawm kev rov ua dua arc, thiab kev raug tshuaj lom neeg hauv cov nroj tsuag roj av tsis ua rau puas tsuaj rau cov chaw tiv thaiv xeb. Raws li IEC cov qauv, cov nqi ua haujlwm ntev ncav cuag M1 lossis M2 kev faib tawm, uas txhais tau tias lub tshuab yuav ua haujlwm 1,000 txog 2,000 zaug ua ntej nws xav tau kev kho loj. Cov qhov hloov pauv no ua haujlwm zoo nrog cov chaw tswj lub cev muaj zog, cov tsav tsheb hloov pauv zaus, thiab cov phiaj xwm kev nyab xeeb rau cov transformers.

Rau cov tsev thiab cov lag luam me, cov qauv yooj yim ua haujlwm zoo tshaj plaws vim tias cov transformers faib khoom thiab cov qhov rooj pabcuam tsuas yog yuav tsum tau qhib thiab kaw qee zaum. Cov nqi poob qis thaum cov kev nyab xeeb tseem zoo ib yam rau cov kev siv uas tsis tas siv ntau no vim tias qhov yuav tsum tau ua kom muaj zog ntawm cov tshuab thiab cov nqi tiv taus luv luv tau txo qis.

Kev Sib Piv thiab Kev Txiav Txim Siab: Cov Hloov Pauv Hloov Pauv vs. Lwm Txoj Kev daws teeb meem

Cov Hloov Pauv Hloov Pauv piv rau Cov Hluav Taws Xob Hluav Taws Xob

Kev xaiv ntawm cov qhov hloov pauv load break thiab circuit breakers yog nyob ntawm seb koj xav tau kev nyab xeeb npaum li cas thiab nws raug nqi ntau npaum li cas. Cov circuit breakers yuav nres qhov ua yuam kev los ntawm kev qhib cov circuits thaum muaj short-circuits lossis overloads tshwm sim ua tsaug rau kev saib xyuas overcurrent uas ua tiav. Muaj hom kev nyab xeeb no kim dua thiab nyuaj rau ua kom tau raws li vim nws xav tau cov khoom siv hluav taws xob lossis cov qhov hloov electromechanical. Cov qhov hloov pauv load break tsuas yog tuaj yeem tswj tau los ntawm tes lossis los ntawm qhov deb vim tias lawv tsis muaj kev saib xyuas teeb meem uas ua tiav. Tab sis thaum siv nrog cov fuses txwv tam sim no, lawv ua cov txheej txheem kev nyab xeeb pheej yig uas ua haujlwm rau cov transformer primaries, capacitor banks, thiab cov kab faib khoom uas tsis xav tau kev kaw tsis siv neeg.

Muaj qhov sib txawv loj ntawm cov yam ntxwv ua haujlwm. Cov cuab yeej hluav taws xob tiv thaiv cov teeb meem nrog cov tam sim no ntau zaus lawv lub peev xwm kwv yees. Hauv qhov chaw nruab nrab-voltage, qhov no feem ntau yog ntawm 25kA thiab 63kA. Cov hloov pauv load break tsis tuaj yeem siv ua cov khoom siv tiv thaiv qhov txhaum loj vim tias lawv tsuas tuaj yeem tiv thaiv cov tam sim no thauj khoom ib txwm muaj. Hauv cov xwm txheej uas cov cuab yeej hluav taws xob upstream tiv thaiv cov teeb meem thiab cov hloov pauv load break ua kev sib cais thiab hloov pauv ib txwm muaj, qhov kev txwv no tsis muaj teeb meem. Qhov sib txawv ntawm tus nqi tuaj yeem yog ntau txog 40 txog 60 feem pua, uas ua rau cov kev xaiv hloov pauv load break nyiam rau cov haujlwm uas xav tau nyob hauv lawv cov peev nyiaj yam tsis muaj kev txi kev nyab xeeb.

Cov Khoom Siv Thauj Khoom thiab Cov Kev Sib Xyaws Hloov Fuse

Ua ib lub cuab yeej nruab nrab, cov khoom siv cuam tshuam kev thauj khoom sib xyaw ua ke lub peev xwm hloov cov khoom thauj nrog lub peev xwm txwv los cuam tshuam qhov tsis zoo los ntawm cov fuses txwv tam sim no uas ua rau hauv. Thaum chav tsawg, cov chav no ua haujlwm zoo tshwj xeeb hauv cov transformers mounted thiab cov kab ke faib khoom hauv av uas xav tau cov qauv me me. Lub fuse element tswj cov teeb meem tam sim no, thiab lub cuab yeej tawg thauj khoom nres cov khoom thauj tsis tu ncua kom nyab xeeb. Qhov no ua rau lub kaw lus kev nyab xeeb pheej yig. Txhawm rau soj ntsuam cov kev xaiv no, koj yuav tsum saib seb lawv yuav ua tsis tiav li cas thiab nws yuav raug nqi ntau npaum li cas los kho lawv.

Tom qab ua haujlwm txhaum, cov khoom fuse yuav tsum tau hloov, uas ntxiv rau tus nqi ntawm cov khoom siv thiab lub sijhawm tsis ua haujlwm. Cov khoom siv hluav taws xob tuaj yeem rov pib dua tom qab muaj qhov txhaum yam tsis tas yuav kho ib qho khoom, tab sis lawv cov nqi pib siab dua txhais tau tias lawv siv sijhawm ntev dua los them rau lawv tus kheej. Thaum koj txuas cov hloov hluav taws xob nrog cov fuse cutouts sib cais, koj tau txais modularity. Piv txwv li, kev hloov cov fuses tawg raug nqi tsawg dua li kev hloov tag nrho cov chav interrupter, tab sis koj tseem muaj kev ywj pheej ua haujlwm.

Cov Kev Hloov Pauv Cua thiab Cov Ntawv Thov Kev Rho Tawm

Hauv cov kab ke uas cov khoom siv upstream nres cov hluav taws xob tam sim no, cov hloov cua sov ib txwm uas tsis tuaj yeem rhuav cov khoom tsuas yog ua cov khoom cais tawm xwb. Rau kev siv pheej yig uas xav tau kev cais tawm kom pom tseeb rau kev nyab xeeb txij nkawm tab sis tsis tas yuav hloov cov haujlwm ntau zaus, cov khoom txiav tawm no yog qhov kev xaiv zoo. Lawv qhov tsis muaj zog ua rau pom tseeb hauv cov xwm txheej uas lawv xav tau siv rau hauv txoj hauv kev uas xav tau kev hloov kho dua tshiab lossis kev faib ua ntu. Kev hloov cov khoom siv cua sov tam sim no rau kev sib txuas ntawm lub load break thev naus laus zis ua rau muaj kev ywj pheej ntawm kev ua haujlwm yam tsis tas yuav yuav cov khoom siv tshiab. Qhov no yog ib txoj hauv kev pheej yig los ua kom tau raws li qhov xav tau ntawm lub kaw lus.

Kev Teeb Tsa, Kev Txij Nkawm, thiab Kev Ceev Faj rau Cov Kev Hloov Pauv Tsis Txuas Load Break

Cov Txheej Txheem Kev Teeb tsa Ua Raws Li Cov Qauv

Kev soj ntsuam qhov chaw thiab kev txheeb xyuas cov khoom siv yog thawj kauj ruam rau kev teeb tsa kom zoo. Thaum muaj qhov txhaum, qhov siab tshaj plaws ntawm qhov txhaum tam sim no ntawm cov qauv mounting yuav tsum tuaj yeem khaws lawv cov duab. Qhov no suav nrog lub zog electromagnetic uas tuaj yeem ncav cuag ntau tons hauv cov teeb tsa tam sim no siab. Cov lus qhia txog qhov kawg torque yuav tsum tau ua raws li nruj me ntsis. Cov kev sib txuas nrog tsawg dhau nruj tsim kev tiv thaiv siab, uas ua rau lawv npau, thaum cov kev sib txuas nrog ntau dhau torque ua rau cov xov hlau thiab cov chaw sib cuag puas tsuaj. Txhawm rau kom paub tseeb tias lub zog dielectric zoo txawm tias thaum ib puag ncig qias neeg, qhov deb ntawm cov tsev hauv av thiab qhov sib nrug ntawm theem mus rau theem yuav tsum ua tau raws li lossis dhau qhov nqi hauv IEC 60694 thiab txhua txoj cai hluav taws xob hauv zos uas siv tau.

Cov yam ntxwv kev nyab xeeb ib puag ncig cuam tshuam rau kev xaiv ntawm kev npog thiab kev ruaj khov ntawm lub foob. Rau qhov chaw nyob sab nraud, koj xav tau cov ntaub thaiv uas muaj daim ntawv lo NEMA 3R lossis IP54 thiab tuaj yeem tiv thaiv hmoov av thiab nag. Cov iav stainless hlau thiab cov tsho tiv no ntawm cov khoom sab hauv yog qhov xav tau hauv cov chaw ntug dej hiav txwv lossis kev lag luam nrog cov ntsev tsuag lossis cua corrosive. Qhov kub thiab txias heev tuaj yeem hloov pauv kev ua haujlwm ntawm cov txheej txheem ua haujlwm thiab kev tiv thaiv kev sib cuag. Hauv cov chaw txias, xav tau cov cua sov, thiab cov chaw hloov pauv uas raug kaw yuav tsum muaj cua ntws.

Kev Txij Nkawm Tiv Thaiv thiab Kev Tshawb Fawb Txog Qhov Ua Tsis Zoo

Lub sijhawm txij nkawm sib phim qhov xav tau kev ua haujlwm zoo nrog cov kev txwv ntawm yam uas tuaj yeem ua tau. Hauv cov chaw lag luam, kev kuaj xyuas feem ntau ua ib xyoos ib zaug, tab sis nyob rau hauv cov chaw xws li tshav dav hlau thiab cov chaw khaws ntaub ntawv, kev kuaj xyuas yuav tshwm sim txhua rau lub hlis. Kev puas tsuaj ntawm kev sib cuag raug saib hauv cov txheej txheem tshuaj xyuas los ntawm kev sib piv qhov tuab ntawm cov khoom seem rau qhov yuav tsum tau ua tsawg kawg nkaus ntawm cov chaw tsim khoom. Micro-ohmmeters yog siv los sim qhov tsis kam ntawm cov neeg sib cuag kom pom qhov poob qis ua ntej lawv ua tsis tiav. Yog tias qhov tsis kam nce siab tshaj 20% ntawm tus nqi ib txwm, cov neeg sib cuag yuav tsum tau hloov lossis kho dua tshiab. Kev lubricating lub tshuab ua haujlwm tiv thaiv nws los ntawm kev xauv thiab ua kom ntseeg tau tias lub arc xaus rau lub sijhawm zoo.

Cov tshuab pneumatic yuav tsum tau kuaj xyuas lawv cov piston seals thiab cov raj cua tsis tu ncua kom paub tseeb tias cov cua compressed tau ua thaum lub sijhawm qhib strokes. Cov seals uas hnav tawm txo qhov zog tawg, uas ua rau arc extinction tsis txhim khu kev qha. Kev sim tiv thaiv rwb thaiv tsev ntawm theem thiab rau hauv av qhia tau hais tias dielectric tseem nyob ruaj khov. Rau cov khoom siv nruab nrab-voltage, cov lej hauv qab 1,000 megohms feem ntau tsis lees txais. Los ntawm kev npaj cov kev ntsuas no tawm tsam lub sijhawm, koj tuaj yeem pom tias cov rwb thaiv tsev tawg li cas dhau sijhawm, uas cia koj npaj koj txoj kev txij nkawm ua ntej lub sijhawm.

Cov Txheej Txheem Kev Nyab Xeeb Tseem Ceeb Thaum Lub Sijhawm Ua Haujlwm thiab Kev Pabcuam

Thaum tsim cov cai kev nyab xeeb, lawv yuav tsum xav txog qhov kev pheej hmoo ntawm kev raug hluav taws xob thiab lub zog txuag. Ntau zaus, cov khoom siv ua haujlwm muaj cov caij nplooj ntoos hlav muaj zog uas khaws lub zog thaum lub sijhawm them thiab sai sai tso nws tawm thaum lub sijhawm hloov pauv. Cov kws kho tshuab yuav tsum ua raws li cov txheej txheem lockout-tagout kom paub tseeb tias lub caij nplooj ntoos hlav raug tso tawm tag nrho ua ntej ua kev kho sab hauv. Ua ntej xav tias cov circuits raug de-energized, kev kuaj xyuas voltage yuav tsum tau ua rau ob sab ntawm qhov chaw thiab sab load rau qhov laj thawj kev nyab xeeb. Induction los ntawm cov circuits sib luag lossis backfeeds los ntawm transformers tuaj yeem ua rau muaj kev phom sij tsis tau xav txog. Cov khoom siv kev nyab xeeb tus kheej xav tau hloov pauv raws li chav kawm fais fab thiab qhov deb ntawm txoj haujlwm.

Cov khaub ncaws uas muaj arc tiv thaiv kev phom sij ntawm cua sov los ntawm cov xwm txheej arc flash sai sai. Raws li IEEE 1584 cov lus qhia, qhov ntsuas tsawg kawg nkaus yog pom los ntawm kev xam lub zog ntawm qhov xwm txheej. Cov hnab looj tes rwb thaiv tsev thiab cov cuab yeej uas tau pom zoo rau lub zog hluav taws xob ntawm lub kaw lus tiv thaiv koj thaum koj tab tom kuaj xyuas thiab txav mus los. A kev sib txuas ntawm lub load break feem ntau siv ua qhov chaw cais tawm uas pom tseeb, thiab kev cob qhia txog cov kws tshaj lij uas suav nrog cov txheej txheem ua haujlwm thiab cov phiaj xwm teb rau xwm txheej ceev uas tshwj xeeb rau txhua daim khoom siv pab ua kom qhov chaw ua haujlwm muaj kev nyab xeeb thaum tseem ua tau raws li OSHA thiab NFPA 70E cov qauv.

Phau Ntawv Qhia Txog Kev Yuav Khoom: Yuav Ua Li Cas Yuav Cov Hloov Kho Load Break Disconnect thiab Xaiv Cov Neeg Muag Khoom Uas Ntseeg Tau

Kev Tsim Cov Lus Qhia Tshwj Xeeb thiab Cov Kev Cai rau Daim Ntawv Pov Thawj

Rau kev yuav khoom kom ua haujlwm tau zoo, nws pib nrog cov lus qhia meej uas sawv cev rau qhov xav tau tiag tiag ntawm lub kaw lus thiab nws yuav siv li cas. Cov qib voltage thiab tam sim no yuav tsum muaj peev xwm tswj hwm kev loj hlob ntawm kev thauj khoom yav tom ntej. 125 txog 150% ntawm qhov xav tau tam sim no feem ntau txaus kom tsis txhob muaj peev xwm txwv sai dhau. Cov qauv ib puag ncig tham txog tej yam xws li qhov siab, kub siab, qib pa phem, thiab, yog tias xav tau, cov kev xav tau av qeeg. Cov yam no muaj kev cuam tshuam ncaj qha rau tus nqi ntawm cov khoom siv - cov lus qhia thoob ntiaj teb uas npog cov xwm txheej phem tshaj plaws tsav cov nqi tsis tsim nyog thaum cov xwm txheej ntawm qhov chaw tso cai rau cov qauv tsim qauv. Cov hom ntawv pov thawj xav tau nyob ntawm kev ua lag luam thiab txoj haujlwm.

Hauv North America, feem ntau cov kev teeb tsa yuav tsum ua tau raws li IEEE thiab ANSI cov qauv thiab muaj UL lossis CSA cov cim pom zoo. Raws li ib feem ntawm cov haujlwm thoob ntiaj teb, cov hloov pauv load break yuav tsum ua tau raws li IEC cov qauv, xws li 62271-103, thiab yuav tsum tau kuaj thiab pom zoo los ntawm ib tus neeg thib peb, xws li KEMA lossis CESI. Ntau lub sijhawm, cov haujlwm tsoomfwv thiab cov kev cai siv hluav taws xob xav tau cov ntaub ntawv kuaj hom uas qhia tias cov khoom ua tau raws li cov kev txwv rau kev ua haujlwm ntev, kev tiv taus hluav taws xob, thiab kev nce kub. Tsis txhob coj cov ntawv qhia kev xeem qub, cov thawj coj yuav khoom yuav tsum xyuas kom meej tias cov neeg muag khoom khaws lawv cov ntawv pov thawj kom tshiab.

Kev Soj Ntsuam Cov Peev Xwm ntawm Cov Neeg Muab Khoom thiab Lub Sijhawm Ua Haujlwm

Kev ntsuam xyuas tus neeg muag khoom suav nrog ntau tshaj li tus nqi qub xwb. Nws kuj tseem saib xyuas kev pabcuam tshaj lij, kev ntseeg siab ntawm kev xa khoom, thiab kev muaj khoom siv mus sij hawm ntev. Cov tuam txhab paub zoo xws li ABB, Siemens, Eaton, thiab Schneider Electric muaj ntau cov peev txheej kev siv tshuab thiab cov kev pabcuam thoob plaws ntiaj teb. Txawm li cas los xij, kev xa khoom ib txwm tuaj yeem siv sijhawm txog 24 lub lis piam rau kev teeb tsa nyuaj. Cov neeg muab kev pabcuam hauv cheeb tsam feem ntau muaj lub sijhawm tos luv dua thiab tus nqi qis dua, thiab lawv khaws qhov zoo los ntawm kev ua raws li cov qauv thoob ntiaj teb.

Lub peev xwm hloov kho tau zoo yog qhov muaj txiaj ntsig zoo rau cov haujlwm uas xav tau kev npaj tsheb npav tsis yog tus qauv, qib tshwj xeeb ib puag ncig, lossis kev sib txuas nrog qee lub kaw lus tswj hwm. Cov kev xav tau no tuaj yeem ua tau los ntawm cov neeg muab khoom nrog cov pab pawg tsim kho hauv tsev thiab cov txheej txheem tsim khoom yooj ywm uas tsis them nqi ntau dhau. Shaanxi Yuguang Electric yog ib qho piv txwv zoo ntawm txoj kev no. Lawv siv lawv 39 daim ntawv pov thawj thiab kev tshawb fawb thiab kev txhim kho (R&D) ntau yam los ua cov kev daws teeb meem rau cov teeb meem nyuaj hauv kev lag luam hnyav, cov haujlwm tsim kho, thiab kev tsim hluav taws xob.

Tag Nrho Tus Nqi ntawm Kev Muaj Tswv thiab Kev Tshuaj Xyuas Tus Nqi

Tus nqi ntawm kev yuav khoom tsuas yog ib feem ntawm kev lag luam tas mus li. Cov nqi teeb tsa nyob ntawm ntau hom khoom siv uas siv. Piv txwv li, cov khoom sib dhos modular nrog cov cuab yeej twb tau teeb tsa ntawm lub Hoobkas xav tau kev ua haujlwm hauv thaj chaw tsawg dua li cov khoom siv uas yuav tsum tau muab tso ua ke thiab txuas hluav taws xob ntawm qhov chaw. Cov nqi txij nkawm nyob ntawm seb nws yooj yim npaum li cas kom tau txais cov khoom seem, muaj pes tsawg qhov khoom tshiab muaj, thiab lawv yuav tsum tau kho ntau zaus npaum li cas. Cov nqi tas mus li raug khaws cia qis los ntawm cov keyboards nrog lub sijhawm kho ntev dua thiab cov khoom seem hloov tau hauv thaj chaw, txawm tias qhov kev nqis peev thawj zaug yuav siab dua. Cov theem kev pheej hmoo thiab cov nqi zais cia raug cuam tshuam los ntawm cov lus cog tseg lav thiab kev pab tom qab muag. Cov lus cog tseg tag nrho uas npog cov qhov tsis zoo ntawm kev tsim khoom rau 24 txog 36 lub hlis ua rau cov khoom tsis tawg sai dhau, thiab kev pab cuam sai sai txo lub sijhawm tsis ua haujlwm thaum cov teeb meem raug kho.

Cov neeg muag khoom uas muab kev xa khoom sai thiab kev pab nrog kev pabcuam hauv thaj chaw ua haujlwm ntau dua li tus nqi yuav khoom. Qhov no yog qhov tseeb tshwj xeeb rau cov chaw uas qhov kev tsis ua haujlwm ntev ua rau muaj kev poob loj hauv kev tsim khoom lossis kev cuam tshuam kev pabcuam. Thaum ua haujlwm rau cov haujlwm loj uas xav tau ntau yam khoom tib yam, kev yuav khoom ntau tuaj yeem pab tau. Cov nqi ntau feem ntau pib ntawm 10 units, thiab rau kev muag khoom ntawm 50 units lossis ntau dua, koj yuav tuaj yeem sib tham txog kev txuag ntawm 15 txog 25 feem pua. Kev tsim khoom tshwj xeeb rau cov haujlwm loj cia koj kho cov txheej txheem rau koj cov kev xav tau, uas tuaj yeem ua rau muaj txiaj ntsig zoo dua li kev hloov cov khoom lag luam txheem. Thaum cov kev xav tau tseem qhib, cov tswv yim yuav khoom yuav tsum saib cov kev xaiv no thaum ntxov hauv cov txheej txheem tsim kho project.

xaus

Hauv kev faib hluav taws xob niaj hnub no, cov qhov hloov pauv thauj khoom tseem ceeb heev vim tias lawv txiav cov kab hluav taws xob kom zoo thaum lub sijhawm ua haujlwm thiab kho. Lawv lub peev xwm los cais cov voj voog thaum tso cov arcs hluav taws xob ua rau tib neeg thiab cov khoom siv muaj kev nyab xeeb thiab ua rau muaj kev ywj pheej ua haujlwm. Kev paub txog qhov sib txawv ntawm kev sib txuas ntawm lub load break thev naus laus zis thiab lwm yam kev xaiv xws li cov khoom siv hluav taws xob lossis cov khoom siv sib txuas yooj yim pab koj xaiv cov kev xaiv ntse uas haum rau koj cov kev xav tau ntawm daim ntawv thov thiab koj cov peev nyiaj. Thaum koj xaiv, teeb tsa, thiab tswj hwm qee yam kom raug, koj tau txais txiaj ntsig zoo tshaj plaws ntawm nws qhov kev ruaj khov thiab tus nqi mus sij hawm ntev. Cov khoom siv hloov pauv load tseem ceeb heev hauv cov tes hauj lwm faib hluav taws xob nruab nrab thoob ntiaj teb vim tias lawv muab kev nyab xeeb, kev ua tau zoo, thiab kev ua haujlwm pheej yig txawm tias cov kab ke fais fab tau nyuaj dua thiab kev ntseeg siab tau nce siab hauv cov khoom siv thiab kev lag luam.

FAQ

Dab tsi txawv qhov load break switches los ntawm cov circuit breakers txheem?

Cov qhov hloov pauv ntawm qhov hluav taws xob (load break switches) yuav tiv thaiv cov hluav taws xob uas siv tas li thiab muab kev cais tawm uas pom tseeb, tab sis lawv tsis tiv thaiv qhov ua yuam kev tau yam tsis tas siv neeg. Cov khoom siv hluav taws xob rau cov circuits tuaj yeem tiv thaiv cov hluav taws xob uas muaj ntau npaug ntawm lawv lub peev xwm siab tshaj plaws thaum lawv hnov ​​​​​​qhov hluav taws xob ntau dhau. Thaum koj txuas cov qhov hloov pauv ntawm qhov hluav taws xob nrog cov fuses, koj tuaj yeem ua cov txheej txheem tiv thaiv pheej yig uas tsis tas yuav kaw rov qab. Cov khoom siv hluav taws xob, ntawm qhov tod tes, zoo tshaj plaws rau cov xwm txheej uas xav tau kev kho tam sim ntawd.

Yuav tsum tau saib xyuas cov qhov hloov pauv thauj khoom hauv kev lag luam ntau npaum li cas?

Hauv cov chaw ua haujlwm, kev kuaj xyuas txij nkawm yuav tsum tau ua ib xyoos ib zaug los xyuas qhov xwm txheej ntawm cov khoom sib cuag, roj nplua nyeem rau cov khoom txav mus los, thiab sim qhov tsis kam ntawm cov khoom rwb thaiv tsev. Txhawm rau txhim kho kev ntseeg tau, cov chaw tseem ceeb xws li cov chaw khaws ntaub ntawv, cov dav hlau, thiab cov tsev kho mob yuav siv cov sijhawm uas khiav txhua rau lub hlis. Hauv cov chaw kub heev uas muaj qhov kub siab lossis qis, av noo siab lossis qis, lossis muaj kuab paug, kev kuaj xyuas yuav tsum tau ua ntau zaus, zoo li txhua peb lossis rau lub hlis, kom pom kev hnav thiab tsim kua muag ua ntej nws ua rau muaj teeb meem.

Cov chaw tsim khoom twg muab cov kev daws teeb meem hloov pauv thauj khoom txhim khu kev qha hauv xyoo 2026?

Cov npe nrov thoob ntiaj teb xws li ABB, Siemens, Eaton, thiab Schneider Electric muaj cov ntaub ntawv zoo rau kev ua haujlwm zoo thiab kev txhawb nqa loj. Cov kev xaiv sib tw yog ua los ntawm cov tuam txhab hauv zos xws li Shaanxi Yuguang Electric, uas muaj kev pom zoo ISO 9001: 2015, cov ntawv ceeb toom kev tshuaj xyuas hauv tebchaws, thiab ntau yam kev paub nrog 6kV txog 40.5kV systems. Yuguang lub pneumatic load break switches ua raws li IEC cov qauv thiab tuaj yeem hloov kho tau. Lawv kuj tuaj nrog kev pab cuam sai rau kev siv hauv kev lag luam nyuaj.

Koom tes nrog Yuguang rau Kev daws teeb meem txhim khu kev qha ntawm kev txiav tawm ntawm cov khoom thauj

Shaanxi Yuguang Electric tsim thiab tsim cov kev daws teeb meem tshwj xeeb rau kev faib hluav taws xob nyuaj hauv cov chaw siv hluav taws xob, kev tsim kho vaj tse, thiab kev lag luam. Peb lub 24kV Pneumatic Type Load Break Switch LBS zoo rau ib puag ncig thiab tau pom tias yuav tiv thaiv arcs. Nws ua qhov no yam tsis muaj teeb meem roj SF6 thiab nrog kev sib cais meej thiab kev ruaj khov kho. Yuguang ua kom ntseeg tau tias txhua yam khoom muaj txiaj ntsig zoo thiab cov tswv yim tshiab nrog 39 daim ntawv pov thawj, ISO 9001: 2015 kev pom zoo, thiab kev lees paub tias yog Lub Tuam Txhab Siv Tshuab Siab thiab Tshiab. Peb cov kev pabcuam tag nrho suav nrog kev tshawb fawb thiab kev txhim kho tus kheej, kev txhawb nqa kev teeb tsa, thiab kev pab tom qab muag sai.

Peb ua tau txhua yam no ua tsaug rau peb cov chaw tsim khoom siab heev hauv Baoji, Suav teb, uas yog lub chaw tsim khoom siv hluav taws xob hauv ntiaj teb. Cov thawj coj kev yuav khoom, cov engineers, thiab cov neeg cog lus EPC muaj kev ywj pheej los saib peb cov ntawv teev npe loj thiab tham nrog peb txog cov kev daws teeb meem tshwj xeeb uas ua tau raws li koj qhov voltage, tam sim no, thiab kev xav tau ib puag ncig. Koj tuaj yeem xa email rau peb pab neeg ntawm yog ygvcb@hotmail.com los yog mus saib ygvcb.com kom tau txais cov lus qhia txog kev siv tshuab, cov nqe lus hais txog tus nqi, lossis cov lus qhia txog kev tsim kho. Ua haujlwm nrog lub tuam txhab tsim khoom siv hluav taws xob uas muaj npe nrov uas mob siab rau kev muab cov kev daws teeb meem zoo, txhim khu kev qha, thiab pheej yig rau koj cov kev xav tau tseem ceeb ntawm lub zog fais fab.

References

1. Pawg Neeg Saib Xyuas Hluav Taws Xob Thoob Ntiaj Teb. "Cov khoom siv hloov pauv hluav taws xob siab thiab cov khoom siv tswj - Ntu 103: Cov khoom siv hloov pauv rau cov hluav taws xob ntsuas siab tshaj 1 kV txog li thiab suav nrog 52 kV." IEC 62271-103: 2021 Tus Qauv.

2. IEEE Lub Koom Haum Fais Fab thiab Zog. "IEEE Phau Ntawv Qhia rau Daim Ntawv Thov ntawm Cov Chaw Hloov Hluav Taws Xob Uas Muaj Roj 1 kV txog 52 kV." IEEE Std C37.122.3-2011.

3. Flurscheim, CH "Lub Tswv Yim thiab Kev Tsim Qauv ntawm Lub Tshuab Hluav Taws Xob Hluav Taws Xob." Lub Koom Haum ntawm Cov Kws Ua Haujlwm Hluav Taws Xob, London, 1982.

4. Garzon, Raul D. "Cov Hluav Taws Xob Hluav Taws Xob Siab: Tsim thiab Daim Ntawv Thov." Marcel Dekker Inc., New York, 2002.

5. Lub Koom Haum Tiv Thaiv Hluav Taws Hauv Tebchaws. "NFPA 70E: Tus Qauv rau Kev Nyab Xeeb Hluav Taws Xob hauv Chaw Ua Haujlwm." Tsab Ntawv Xyoo 2024.

6. Steinmetz, Thilo et al. "Cov Khoom Siv Hloov: Tsim, Sim thiab Siv Cov Khoom Siv Hloov Nruab Nrab Voltage." Siemens Technical Publications, 2019.