Daim Ntawv Qhia Qhov Kawg rau Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob: Hom, Kev Ua Haujlwm, thiab Cheebtsam

Hauv cov tshuab hluav taws xob niaj hnub no, siab - thiab nruab nrab -voltage switchgear sib dhos yog cov pob txha ntawm daim phiaj kev nyab xeeb thiab kev tswj xyuas. Cov rooj sib txoos no muaj ntau yam khoom tshwj xeeb, txhua tus tsim los rau lub luag haujlwm tshwj xeeb- los ntawm kev txais lub zog los tiv thaiv cov kab hauv qab.

Hauv qab no yog qhov ua tiav ntawm 10 yam tseem ceeb ntawm cov khoom siv hluav taws xob siv hauv cov hluav taws xob faib hluav taws xob niaj hnub no.

1. Cov Txiaj Ntsig Nkag (Tebchaws Tau Txais)

Cov Txiaj Ntsig Tuaj Ua Haujlwm yog lub hauv paus nkag rau lub zog hluav taws xob nkag mus rau hauv qhov chaw lossis lub chaw nres tsheb los ntawm daim phiaj loj. Nws pub lub zog ncaj qha los ntawm cov khoom siv hluav taws xob nkag mus rau hauv qhov system busbar.

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Core Components:Nqus Circuit Court Breaker (VCB), Tam sim no Transformers (CT), Muaj Peev Xwm / Voltage Transformers (PT), thiab Disconnector Hloov.

Lub luag haujlwm tseem ceeb: 

•  Fais fab faib:Directs lub zog hluav taws xob nkag mus rau lub ntsiab busbar.
• Kev tiv thaiv Circuit Court:Siv lub tshuab nqus tsev Circuit Court breaker kom tshem tawm luv luv Circuit Court thiab tswj overcurrent faults.
• Kev rho tawm & Kev Nyab Xeeb:Xws li ib tug phau ntawv disconnectorto xyuas kom meej lub cev huab cua sib txawv rau cov neeg ua haujlwm tu.
• Saib xyuas:Tsev CTs thiab PTs kom raug taug qab cov kev ntsuas tam sim no thiab voltage.

2.Outgoing Txee (Feeder / Distribution Cabinet)

Cov Txiaj Ntsig Tawm yog lub luag haujlwm rau kev faib hluav taws xob los ntawm lub tsheb npav tseem ceeb tawm mus rau ib tus neeg qis qis hauv Circuit Court, transformers, lossis cov tshuab hnyav.

Core Components:Circuit Breakers, Tam sim no Transformers (CT), Muaj Peev Xwm Transformers (PT), thiab Disconnector Hloov.

Lub luag haujlwm tseem ceeb:

• Load Balancing:Muaj kev nyab xeeb raws lub zog rau ntau thaj chaw.
• Ceg Tiv Thaiv:Muab kev tiv thaiv overcurrent thiab overload tiv thaiv, kom ntseeg tau tias qhov ua txhaum ntawm ib ceg tsis cuam tshuam rau tag nrho cov kab ke.
• Kev Tswj Xyuas Kev Ua Haujlwm:Tso cai rau cov neeg ua haujlwm txuas lossis txiav cov khoom thauj tshwj xeeb yam tsis muaj kev cuam tshuam tag nrho cov chaw.

3. Bus Coupler Cabinet (Bus Sectioning Txee)

Cov Bus Coupler Txee yog siv los txuas thiab txuas ob ntu ntawm cov busbars. Nws yog ib qho tseem ceeb hauv ib qho -busbar sectionalized los yog ob npaug -busbar configurations, muab kev ua haujlwm loj heev.

Lub luag haujlwm tseem ceeb:

• Redundancy & Reliability:Yog hais tias ib qho khoom siv hluav taws xob tuaj tsis tau, lub ntsiab kev tawm mus, thiab lub tsheb npav txuas nrog kev nyab xeeb kaw rau txoj kev siv hluav taws xob los ntawm lub chaw nres tsheb mus rau qhov de- lub zog, tiv thaiv cov chaw nres tsheb.
• Automatic Restore:Thaum lub faulty fais fab seem rov qab zoo, lub txee cia li qhib thiab rov qab mus rau nws lub xeev standby.

4. PT Txee (Qhov Muaj Peev Xwm / Voltage Transformer Txee)

Lub PT txee yog ntsia ncaj qha mus rau lub busbar system kom tsis tu ncua saib xyuas cov qib busbar voltage thiab ua rau lub cev -wide tiv thaiv relays.

Core Components:Muaj peev xwm Transformers (PT), Disconnector Switches, High-Voltage Fuses, thiab Surge Arresters.

Lub luag haujlwm tseem ceeb:

• Kev ntsuas hluav taws xob:Cov kauj ruam cia siab qhov system voltages kom nyab xeeb, ntsuas qib rau meters thiab tiv thaiv relays.
• Kev tiv thaiv overvoltage:Nta surge arresters los tiv thaiv rhiab lwm yam khoom siv los ntawm xob laim ntaus thiab hloov surges.

5. Isolator txee (Disconnector txee)

CovIsolator txeeyog tsim los tsim kom pom, lub cev tawg hauv lub voj voog, nyob nruab nrab ntawm ob ntu ntawm lub npav lossis nruab nrab ntawm lub zog - txais thiab lub zog - khoom siv.

⚠️ Critical Safety Interlock:Lub txee caisua tsis tautawg los yog ua rau load tam sim no. Kev khiav hauj lwm lub tsheb ciav hlau cais tawm thaum lub Circuit Court breaker kaw yuav ua rau muaj kev puas tsuaj loj. Yuav tsum muaj kev sib txuas ntawm cov tshuab lossis hluav taws xob cuam tshuam los xyuas kom meej tias lub Circuit Court breaker yog qhib kiag li ua ntej lub trolley cais tawm tuaj yeem txav mus los.

6. Capacitor Txee (Reactive Power Compensation Txee)

Lub Capacitor Txee muaj nplooj siab rau cov nyiaj them rov qab zog. Los ntawm kev txhim kho lub zog ntawm cov khoom siv hluav taws xob, nws ua kom cov kab sib txuas ua kom zoo dua qub, txo lub zog poob, thiab tshem tawm cov nqi hluav taws xob hluav taws xob.

Core Components:Parallel Capacitor Banks, Switching Control Circuits (Contactors lossis Thyristors), thiab tiv thaiv Fuses.

Txoj Cai Kev Nyab Xeeb Tseem Ceeb:

Lub Sijhawm Tso Tawm:Thaum txiav tawm, cov tsev txhab nyiaj capacitor tuav lub zog txaus ntshai. Cov neeg ua haujlwm yuav tsum tsis txhob kov cov khoom siv sab hauv kom txog thaum lub sijhawm tso tawm txaus tau dhau mus.

Rov qab txwv:Kev rov qab nrawm nrawm yog txwv nruj heev (feem ntau yuav tsum tau ncua tsawg kawg 1 feeb) txhawm rau tiv thaiv kev puas tsuaj overvoltage spikes.

Hnav Equalization:Cov tswj tsis siv neeg yuav tsum tig qhov kev hloov pauv ntawm ib pawg neeg capacitor kom ntseeg tau tias hnav thiab tsim kua muag thoob plaws hauv chav tsev.

7. Metering txee

CovMetering Txeeyog ib lub koom haum, muaj kev ruaj ntseg heev uas siv tshwj xeeb rau hluav taws xob hluav taws xob tariff metering ($ kWh$). Nws txhawb nqa ob qho tib si siab -voltage thiab low-voltage configurations nyob ntawm qhov kev pom zoo siv hluav taws xob.

Core Components:Disconnector Switches, Fuses, High -Precision CTs/PTs, Active & Reactive Energy Meters (Conventional or Digital), Kev Tiv Thaiv Relays, thiab Load Monitors.

Lub luag haujlwm tseem ceeb:

• Revenue Metering:Siv cov kev ntsuas kev ntsuas thawj zaug (siab-voltage mov thiab siab-voltage side ntsuas) kom ntes cov ntaub ntawv siv hluav taws xob muaj tseeb ua ntej transformer poob, kom ntseeg tau tias cov nqi hluav taws xob muaj tseeb.
• Anti-Tampering:Cov khoom siv ntsuas hluav taws xob yuav tsum muaj lub cev tiv thaiv -tamper seals. Nws yog qhov kawg - tus neeg siv lub luag haujlwm raug cai los tswj cov ntsaws ruaj ruaj thiab tiv thaiv kev ncaj ncees ntawm lub txee.

8. GIS txee (Gas-Insulated Switchgear)

GIS Txee ua ke tag nrho cov khoom sib kis tseem ceeb- suav nrog cov hluav taws xob hluav taws xob, cov khoom siv hluav taws xob, cov hluav taws xob hloov hluav taws xob, thiab cov twj paj nruag- mus rau hauv ib lub tank, hermetically kaw hlau.

Insulation Medium:Keeb kwm, Sulfur Hexafluoride tau raug siv vim nws qhov tsis sib xws arc - tua thiab dielectric zog. Cov pa roj no tso cai rau tag nrho cov hneev taw kom compressed txog li 70% piv rau cov pa pa -Insulated Switchgear (AIS).

Niaj hnub nimno Environmental Compliance:Vim lub ntiaj teb kev nyab xeeb cov cai tswj xyuas cov roj fluorinated, cov GIS niaj hnub no tau hloov pauv mus rau Sulfur Hexafluoride lwm txoj hauv kev (xws li huab cua qhuav huv si, nitroge, lossis eco- roj sib tov) kom xa cov kev ntsuas kev nyab xeeb zoo ib yam nrog xoom ntiaj teb ua kom sov.

9. Busbar Elevation Txee (Bus Riser Txee)

Vim hais tias thawj busbars khiav kab rov tav nyob rau sab saum toj ntawm ib tug switchgear lineup, ib tug structural kev sib tw kev sib tw tshwm sim ntawm lub tsheb npav coupler. Lub tsheb npav coupler lub sab hauv breaker ua rau txoj kev hluav taws xob mus rau hauv qab kom ua tiav kev nyab xeeb Circuit Court break. Txij li tam sim no tam sim no nyob rau hauv pem teb theem ntawm chav tsev, nws tsis tuaj yeem seamlessly txuas mus rau sab saum toj tom ntej -mounted kab rov tav busbar seem.

Cov Busbar Elevation Txee daws qhov kev xav tau ntawm txoj kev no. Vim hais tias nruab nrab - thiab siab - lub tshuab hluav taws xob xav tau kev tshem tawm lub cev nruj, cov tooj liab tsis tuaj yeem tsuas yog khoov kom nruj dua. Lub txee no muab lub siab zoo, tag nrho insulated ntsug vault uas muaj hnyav- lub luag haujlwm ntsug tooj liab busbars thiab post insulators kom nyab xeeb cov hluav taws xob rov qab mus rau theem ru tsev.

10. Ring Main Unit (RMU)

Lub nplhaib Main Unit (RMU) yog ib qho compact, lub Hoobkas- sib dhos, hlau- kaw lub tshuab hluav taws xob tsim los rau kev faib hluav taws xob theem nrab hauv qhov kaw - voj (ntiv nplhaib) network topology.

Core ua haujlwm:RMU tso cai rau cov khoom siv hluav taws xob hauv cheeb tsam sib txuas mus rau lub nplhaib network. Yog hais tias muaj ib qho txhaum tshwm sim ntawm ib sab ntawm lub ntsiab khoom siv hluav taws xob lub voj voog, lub load -so switches cais cov seem tawg, thaum lub hwj chim yog seamlessly routed ntawm qhov opposite direction.

Cov txiaj ntsig tseem ceeb:Kev saib xyuas-kev ua haujlwm pub dawb, tshwj xeeb ib puag ncig tiv thaiv, thiab ultra- hneev taw me me ua rau RMUs tus qauv kev xaiv rau hauv av hauv nroog daim phiaj, cua thiab hnub ci ua liaj ua teb, thiab siab - thaj chaw muaj zog faib hluav taws xob.