Kev piav qhia luv luv ntawm kev ua haujlwm ntawm ntau hom High Voltage Switchgear

Nyob rau hauv siab -voltage fais fab faib tshuab, ntau yam switchgear thiab cov cuab yeej txhawb nqa ua ib qho kev ua tiav rau kev txais, faib, ntsuas, thiab tiv thaiv hluav taws xob hluav taws xob. Lawv feem ntau tau nruab rau hauv cov khoom siv hluav taws xob ua tiav thiab cov ntaub thaiv npog kom ntseeg tau tias kev ua haujlwm nyab xeeb thiab kev sib cais ib puag ncig.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Fais fab Incoming Cabinet (Main Incoming Cabinet) Lub hwj chim nkag hauv txee yog lub zog nkag rau tag nrho cov kab ke, siv los txais lub zog los ntawm cov hluav taws xob sab saud lossis cov khoom siv hluav taws xob. Nws feem ntau yog lub hauv paus tseem ceeb ntawm lub tshuab hluav taws xob, kev hloov pauv, thiab cov cuab yeej tiv thaiv rau kev tswj hwm thiab kev tiv thaiv tag nrho. Thaum ntsia sab nraum zoov, nws feem ntau yog ntiav cov khoom siv hluav taws xob sab nraum zoov nrog kev tiv thaiv kev ntsuas kom ua tau raws li cov plua plav, tsis muaj dej, thiab cov khoom siv dag zog.

 

2. Outgoing Cabinet Lub txee sab nrauv faib hluav taws xob hluav taws xob rau cov khoom thauj hauv qab thiab yog lub ntsiab lus tso tawm ntawm lub zog faib hluav taws xob. Nws muaj cov hluav taws xob tawm hluav taws xob, cov khoom siv tiv thaiv hluav taws xob, thiab cov hluav taws xob txuas hluav taws xob rau kev tswj thiab tiv thaiv cov khoom ntawm txhua ceg. Nws cov qauv yog feem ntau yog tus qauv hloov txee hom, hais txog kev tawg lub peev xwm thiab kev ntseeg tau ntawm kev ua haujlwm.

 

3. Metering Cabinet: Metering txee yog siv los ntsuas qhov tseeb thiab sau cov hluav taws xob hluav taws xob. Lawv nyob hauv tsev voltage transformers (PTs), tam sim no transformers (CTs), thiab hluav taws xob ntsuas. Hauv loj -cov tshuab muaj peev xwm, cov qauv tsim tshwj xeeb, xws li 400 amp CT txee lossis 600 amp CT txee, feem ntau yog siv los ua kom tau raws li qhov yuav tsum tau ntsuas ntawm qib sib txawv tam sim no.

 

4. Bus Tie Txee: Thaum lub kaw lus muaj ob txoj kab hluav taws xob, lub tsheb npav khi yuav tsum ua kom muaj kev hloov pauv thiab thaub qab ua haujlwm ntawm ob ntu tsheb npav. Lub tsheb npav khi lub txee txuas ob lub tsheb npav tseem ceeb, txuas ntxiv txuas ntxiv thaum lub sijhawm ua haujlwm ib txwm ua thiab ua kom lub zog hloov pauv thaum muaj teeb meem lossis kev saib xyuas. Nws cov qauv yog feem ntau nyob rau hauv lub tsheb npav loj thiab kev koom ua ke rau hauv tag nrho cov hluav taws xob enclosure system.

 

5. PT txee: PT txee feem ntau hauv tsev voltage transformers thiab lwm yam ntsuas, muab cov qauv ntsuas hluav taws xob rau kev tiv thaiv relay thiab ntsuas tshuab. Cov txee no muaj nyob rau hauv siab -voltage systems, thiab lawv cov qauv feem ntau siv cov hlau-cov khoom siv hluav taws xob hauv lub txee tsim, hais txog kev rwb thaiv tsev thiab kev nyab xeeb.

 

6. Capacitor txee
Capacitor txee yog siv rau reactive fais fab nyiaj them, txhim kho qhov system fais fab tuag thiab txo cov kab poob. Lawv feem ntau ntsia nyob rau hauv parallel ntawm lub ntsiab busbar sab. Lawv tau dav siv nyob rau hauv qis-voltage systems, tab sis tsawg dua nyob rau hauv high-voltage systems. Centralized them nyiaj pab kiag li lawm feem ntau yog nyob rau hauv cov khoom siv hluav taws xob tshwj xeeb los yog cov chaw them nyiaj ywj pheej.

 

7. Kev sib txuas lus txee
Cov khoom sib txuas sib txuas yog siv rau kev sib txuas thiab cov khoom siv hluav taws xob rov qab ntawm qhov qis -voltage systems txuas nrog ntau lub transformers. Thaum ib qho kev hloov pauv tsis ua haujlwm, kev hloov pauv hloov pauv tau ua tiav los ntawm kev khiav haujlwm ntawm cov txee sib txuas. Nyob rau hauv ib txwm ua hauj lwm tej yam kev mob, lub interconnection hloov yog qhib, ua kom muaj kev ywj pheej ntawm txhua qhov system. Cov txee no feem ntau txais yuav cov khoom siv hluav taws xob sab nraud ntxiv kom muaj kev nyab xeeb ntawm kev ua haujlwm.

 

8. Nplhaib Main Unit (RNU)
Keeb kwm, RNU tau xa mus rau lub thawv hloov pauv siv rau hauv lub nplhaib network fais fab mov qauv los txhim kho cov khoom siv hluav taws xob kev ntseeg tau thiab txuas ntxiv. Hauv cov ntawv thov niaj hnub no, lub npe feem ntau hais txog kev hloov pauv hloov pauv dav dav. Cov ntawv thov sab nraum zoov feem ntau siv sab nraum zoov huab cua tsis muaj qhov thaiv txee lub thawv qauv kom hloov mus rau qhov chaw nyuaj.

 

9. Roj teeb txee
Cov khoom siv roj teeb yog siv los khaws DC lub zog ua haujlwm, kom ntseeg tau tias kev ua haujlwm ruaj khov ntawm kev hloov pauv qhib thiab kaw thiab tiv thaiv kab ke. Nws cov haujlwm tseem ceeb suav nrog: ua ntej, muab kev ua haujlwm thaub qab; thiab thib ob, muab kev txhawb siab tam sim no thaum lub sijhawm kaw. Cov khoom siv roj teeb feem ntau yog ua ke nrog DC system thiab muab tso rau hauv lub txee hluav taws xob tshwj xeeb.

 

10. DC Power Supply Vaj Huam Sib Luag (Charging Vaj Huam Sib Luag) Lub vaj huam sib luag DC fais fab mov hloov AC lub zog rau hauv lub zog DC ruaj khov thiab feem ntau muaj cov khoom siv them nqi, saib xyuas cov qauv, thiab cov roj teeb pob. Nws cov qauv feem ntau yog muab tso rau hauv lub siab - lub zog GRP hluav taws xob txee lossis lub txee tiv thaiv zoo ib yam kom ntseeg tau ntev - lub sijhawm ua haujlwm ruaj khov.

 

11. Variable Frequency Drive (VFD) Txee Lub txee VFD tswj lub cev muaj zog los ntawm lub tshuab hloov zaus, ua tiav lub zog- txuag kev ua haujlwm thiab kev tswj xyuas meej. Nws yog dav siv hauv cov tshuab fais fab xws li cov twj tso dej thiab cov kiv cua. Cov khoom siv no feem ntau yog ntsia rau hauv ib lub txee hluav taws xob sab nraum zoov lossis lub txee tswj fais fab hauv tsev.

 

12. High-Voltage Switchgear High-voltage switchgear yog siv rau kev txais, tswj, thiab tiv thaiv hluav taws xob hluav taws xob thiab yog cov cuab yeej tseem ceeb ntawm lub siab -voltage fais fab faib system. Nws cov qauv qhia txog kev sib cais hluav taws xob, arc - tua muaj peev xwm, thiab lub zog siv tshuab. Nws feem ntau yog siv cov hlau-cov qauv uas nyob ib puag ncig thiab tuaj yeem nruab nrog lub txee hluav taws xob ntxuam rau kev tswj cov cua sov.

 

13. Centralized Switchgear (CSG) Lub hauv paus hloov pauv, tseem hu ua armored tshem tau hlau- kaw qhov hloov pauv, siv peb txheej txheej txheej: ib qho chaw nres tsheb sab saud, qhov nruab nrab ntawm qhov hluav taws xob hluav taws xob, thiab cov kab hluav taws xob qis dua. Lub Circuit Court breaker yog nyob rau hauv nruab nrab txheej thiab tuaj yeem thim rov qab rau kev txij nkawm, txhim kho kev ua haujlwm ruaj ntseg. Nws cov qauv feem ntau siv siab -lub zog GRP hluav taws xob enclosures lossis steel txee tsim.

 

14. Lub hwj chim txee Lub hwj chim txee feem ntau muab kev tswj fais fab thiab kev tiv thaiv rau cov twj, tshuab hluav taws xob, thiab lwm yam tshuab tig. Nyob ntawm seb hom kev thauj khoom, cov kev tiv thaiv tsim nyog thiab cov khoom sib dhos fuse tuaj yeem teeb tsa, xws li cov qauv fuse txee rau siab. Lub txee feem ntau muaj cov khoom siv hluav taws xob sab nrauv tsim kom muaj kev nyab xeeb ntawm - chaw ua haujlwm.
 

 

 

Hauv ob qho tib si siab -voltage thiab low-voltage fais fab faib tshuab, kev nyab xeeb ntawm cov qauv txee yog qhov tseem ceeb sib npaug. Cov khoom siv feem ntau suav nrog kev mob siab rauhluav taws xob txeeyuam sij lossis tus yuam sij-rau- hluav taws xob- lub thawv rau kev tswj hwm hierarchical thiab kev ua haujlwm nyab xeeb. Kev xaiv cov txee tsim nyog (xws li GRP cov khoom siv hluav taws xob lossis hlau-cov txheej txheem kaw) cuam tshuam ncaj qha rau cov cuab yeej tiv thaiv qib thiab kev pabcuam lub neej.
 

 

Kev ua haujlwm txhim khu kev qha ntawm siab -voltage fais fab faib tshuab yog nyob ntawm tsis tsuas yog ntawm switchgear nws tus kheej, tab sis kuj nyob rau ntawm ib qho kev nyab xeeb, ruaj khov, thiab tus qauv- ua raws li tus qauv txee. Peb lub tuam txhab tshwj xeeb hauv kev tshawb fawb, kev tsim kho, thiab kev tsim khoom ntawm ntau yam kev lag luam - qib hluav taws xob faib khoom thiab cov qauv kev tiv thaiv, suav nrog ntau yam kev qhia tshwj xeeb thiab cov kev daws teeb meem ib puag ncig. Peb tuaj yeem muab cov qauv tsim kho raws li kev xav tau ntawm cov phiaj xwm sib txawv, pab cov tshuab hluav taws xob ua kom muaj kev nyab xeeb thiab ua haujlwm tau ntev dua - lub sijhawm ua haujlwm.