Kev nkag siab txog cov khoom siv hluav taws xob no yog qhov tseem ceeb rau kev ua tau zoo ntawm cov khoom siv hluav taws xob thiab kev tsim hluav taws xob

Cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob yog nyob rau ntawm qhov kawg ntawm tag nrho lub zog hluav taws xob, ua haujlwm ncaj qha rau cov tsev, kev lag luam, kev tsim vaj tsev, thiab qhov kawg -loads. Lawv cov qauv tsim tau ncaj qha txiav txim siab txog kev nyab xeeb, kev txuas ntxiv, kev ruaj ntseg, thiab kev ua kom muaj zog ntawm cov khoom siv hluav taws xob. Txhawm rau tsim cov khoom siv hluav taws xob zoo thiab kev xa tawm, ib qho yuav tsum ua ntej nkag siab txog cov khoom siv hluav taws xob thiab cov khoom siv tseem ceeb, suav nrog cov qauv hauv txee, cov cuab yeej tseem ceeb, thiab cov khoom siv tiv thaiv thiab kev tswj hwm theem nrab. Cov khoom siv no feem ntau yog sib xyaw ua ke rau hauv ntau hom kev hloov cov txee lossis cov khoom siv hluav taws xob tswj thiab teeb tsa raws li daim ntawv thov ib puag ncig thiab qib voltage.

 

 

Switchgear yog ib qho khoom siv hluav taws xob ua tiav uas sib txuas cov cuab yeej tseem ceeb nrog kev tswj hwm theem nrab, kev tiv thaiv, thiab ntsuas cov khoom raws li qhov kev txiav txim siab ua ntej. Nws yog tsuas yog siv rau kev tswj, tiv thaiv, thiab saib xyuas kab thiab khoom siv. Structurely, switchgear yuav muab faib ua taag thiab rho tawm hom; nyob rau hauv cov nqe lus ntawm voltage theem, nws yuav muab faib ua high-voltage thiab low-voltage systems. Txawm hais tias siv nyob rau hauv cov chav tsev hluav taws xob hauv tsev lossis cov khoom siv hluav taws xob sab nraum zoov, cov qauv tseem ceeb feem ntau suav nrog lub tsheb npav, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov khoom noj khoom haus. Cov chaw ua haujlwm no tau sib cais los ntawm cov khoom siv hlau los txhim kho kev nyab xeeb ntawm kev ua haujlwm.

 

Hauv kev tsim kho vaj tse, vaj tse thiab kev lag luam feem ntau siv lub nplhaib sib txuas siab -voltage switchgear thiab tub rau khoom- hom qis-voltage switchgear, thaum lub tshuab hluav taws xob thiab cov hluav taws xob nyob deb nroog tseem dav siv cov khoom ruaj khov uas yooj yim hauv cov qauv thiab yooj yim los tswj. Cov khoom siv no feem ntau yog categorized raws li kev siv cov khoom siv hluav taws xob lossis cov khoom siv hluav taws xob sab nrauv hauv cov haujlwm thoob ntiaj teb.

 

 

Los ntawm kev pom kev ua haujlwm ntawm lub cev, lub tshuab hloov pauv tuaj yeem muab faib ua cov khoom xa tuaj, cov khoom xa tawm, cov tsheb thauj mus los khi, cov khoom sib cais, PT cov khoom, cov khoom siv hluav taws xob, cov khoom siv ntsuas, thiab GIS cov khoom sib xyaw ua ke, thiab lwm yam. Cov khoom xa tuaj yog siv los txais lub zog los ntawm cov kab hluav taws xob sab saud lossis lub zog hluav taws xob tag nrho rau kev faib khoom; Cov kab hluav taws xob sab nraud yog lub luag haujlwm rau kev faib hluav taws xob hluav taws xob rau txhua qhov chaw thauj khoom. Busbar khi txee yog siv los paub txog ntu lossis tsheb npav - txuas kev ua haujlwm ntawm lub tsheb npav txhawm rau txhim kho kev ntseeg tau ntawm lub zog.

 

Cov khoom sib cais muab hluav taws xob cais tawm los ntawm kev pom kev tawg, ua kom muaj kev nyab xeeb thaum tu; PT cov khoom siv yog siv rau cov qauv ntsuas hluav taws xob thiab kev tiv thaiv teeb liab; capacitor txee muab reactive fais fab nyiaj them, txhim kho qhov system fais fab tuag; metering txee yog siv rau kev ntsuas hluav taws xob thiab kev ua haujlwm cov ntaub ntawv tau txais. Nyob rau hauv siab -voltage, siab - muaj peev xwm scenarios, cov haujlwm no tuaj yeem ua ke rau hauv GIS qauv, ua tiav cov txheej txheem compact los ntawm kev rwb thaiv tsev roj. Cov cuab yeej ua tiav no feem ntau ua haujlwm ua ke nrog PLC panels lossis automation systems rau kev saib xyuas hauv nruab nrab.

 

 

Circuit Court breakers yog cov tseem ceeb tiv thaiv cov cuab yeej hauv cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, muaj peev xwm sib txuas thiab txiav cov khoom siv hluav taws xob ib txwm muaj thiab cuam tshuam luv luv -circuit tam sim no. Nyob rau hauv qhov kev tshwm sim ntawm ib tug txhaum, Circuit Court breakers yuav sai sai ua hauj lwm nyob rau hauv kev tswj ntawm relay tiv thaiv pab kiag li lawm, cais cov faulty seem. Nyob ntawm qhov arc- tua nruab nrab, cov hluav taws xob hluav taws xob tuaj yeem raug faib ua lub tshuab nqus tsev, SF₆, cua, lossis roj hluav taws xob hluav taws xob, dav siv hauv ntau yam khoom siv hloov pauv.

 

Load switches muaj qee yam load tam sim no tab sis tsis tuaj yeem cuam tshuam luv luv -circuit tam sim no. Lawv feem ntau yog siv ua ke nrog fuses kom ua tiav txoj kev tiv thaiv yooj yim. Disconnect keyboards tsuas yog siv rau kev sib cais hluav taws xob thiab tsis tuaj yeem ua haujlwm raws li kev thauj khoom; lawv lub luag haujlwm feem ntau cuam tshuam txog kev nyab xeeb ntawm kev ua haujlwm. Lub peev xwm sib raug zoo ntawm peb yog: Circuit Court breaker > load switch > disconnect switch.

 

 

Lub fuse yog ib qho kev tiv thaiv yooj yim uas ua haujlwm raws li cov teebmeem thermal. Thaum qhov tam sim no tshaj qhov teeb tsa tus nqi thiab txuas ntxiv mus rau ib lub sijhawm, cov khoom fusible melts, txiav tawm ntawm lub voj voog. Nws cov yam ntxwv ua haujlwm tsis tuaj yeem kho tau, thiab tag nrho cov fuse yuav tsum tau hloov tom qab tripping. Nws yog feem ntau siv nyob rau hauv pab tiv thaiv scenarios. Fuses tau dav siv hauv cov khoom xa khoom thiab cov khoom siv hluav taws xob sab nraum zoov kom txo cov nqi khoom siv thiab txhim kho qhov kev xaiv.

 

Tam sim no transformers (CTs) thiab voltage transformers (PTs) yog siv los hloov siab tam sim no thiab high voltage nyob rau hauv thawj sab mus rau hauv tus qauv teeb liab nyob rau hauv lub thib ob sab, muab ib tug zoo interface rau kev ntsuas, kev tiv thaiv, thiab automation systems. CTs yuav tsum tsis txhob ua haujlwm nrog qhib lub voj voog thib ob, thiab PTs yuav tsum tsis txhob luv luv -circuited ntawm ob sab; ob lub ntsiab lus no yog cov ntsiab lus tseem ceeb hauv kev tsim hluav taws xob faib hluav taws xob thiab kev ua haujlwm. Instrument transformer signals feem ntau txuas nrog kev tiv thaiv relays los yog saib xyuas modules hauv lub txee hluav taws xob.

 

 

Handcart- hom qauv feem ntau yog siv nyob rau hauv siab -voltage systems, thaum lub tub rau khoom - hom qauv feem ntau yog siv nyob rau hauv qis -voltage systems. Ob leeg tso cai rau kev sib cais ntawm cov cuab yeej ua haujlwm, kev sim, thiab kev saib xyuas, txhim kho kev tswj xyuas kom zoo. Cov qauv no tau siv dav hauv cov khoom siv niaj hnub tswj thiab cov khoom siv hluav taws xob modular.

 

Lub luag haujlwm tseem ceeb ntawm kev hloov hauv av yog: ua ntej, muab kev txhim khu kev qha hauv av rau kev saib xyuas; thiab thib ob, txhawm rau ua kom nrawm nrawm ntawm kev tiv thaiv kev tiv thaiv los ntawm cov khoom siv hauv av luv luv hauv cov xwm txheej tshwj xeeb, yog li txhim kho kev nyab xeeb. Cov cuab yeej no feem ntau yog siv ua ke nrog lub tshuab hluav taws xob lossis hluav taws xob cuam tshuam ntawm lub txee tswj qhov tseem ceeb.

 

 

Contactors feem ntau yog siv rau kev hloov pauv ntawm lub ntsiab Circuit Court, feem ntau pom muaj nyob rau hauv lub cev muaj zog, teeb pom kev zoo, thiab kev tswj hwm lub txhab nyiaj capacitor. Lawv qhov kev khiav hauj lwm zaus yog ntau dua li ntawm Circuit Court breakers, tab sis lawv daim ntawv thov voltage theem kuj tsawg. Relays feem ntau yog siv nyob rau hauv kev tswj thiab kev tiv thaiv circuits kom ua tiav cov teeb liab hloov dua siab tshiab, logic tswj, thiab kev tiv thaiv ua. Ob qho tib si feem ntau yog ntsia ua ke hauv PLC vaj huam sib luag lossis lub txee tswj tsheb, ua kom tiav kev tswj hwm thiab kev tiv thaiv.
 

 

Los ntawm cov kev xav hauv lub cev, kev tsim khoom siv hluav taws xob thiab kev faib khoom tsis yog ib qho teeb meem ntawm cov khoom siv stacking, tab sis yog ib txoj haujlwm engineering uas nyob ib puag ncig cov yam ntxwv ntawm kev thauj khoom, hom kev ua haujlwm, kev tiv thaiv kev xaiv, thiab cov tswv yim kho. Qhov kev xaiv zoo ntawm Circuit Court breakers, transformers, txee cov qauv, thiab kev tswj cov txheej txheem yog qhov tseem ceeb kom ua tiav kev nyab xeeb thiab ua haujlwm tau zoo. Txawm hais tias rau cov tshuab sab hauv lossis sab nraum zoov xws li kev nyab xeeb-cov txee tswj, cov khoom siv sib txuam thiab cov qauv tsim yuav tsum tau txiav txim siab ua ke nrog ntev - lub sijhawm ua haujlwm.

 

 

Raws li cov kev xav tau saum toj no rau kev nyab xeeb, kev cia siab, thiab kev sib koom ua ke hauv cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, peb tau tsom mus ntev rau kev tsim thiab tsim cov khoom tiav ntawm cov khoom siv hluav taws xob thiab kev tswj xyuas. Peb cov khoom npogcov khoom siv hluav taws xob, sab nraum zoov hluav taws xob txee, tswj thiab tiv thaiv txee, thiab lawv cov khoom txhawb nqa. Cov khoom no tau siv dav hauv kev lag luam hluav taws xob, hluav taws xob tshiab, hluav taws xob infrastructure, thiab kev thauj mus los. Peb kuj tseem tuaj yeem muab cov qauv tsim kho, ntsuas kev daws teeb meem (xws li universal txee cov yuam sij, cov yuam sij rau lub thawv hluav taws xob), thiab cov qauv tsim ib puag ncig raws li qhov xav tau, muab cov khoom siv ruaj khov thiab txhim khu kev qha rau kev ua tiav cov khoom siv hluav taws xob thiab kev faib khoom.