Main busbar: piav qhia, hom thiab khoom siv, daim ntawv thov

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Cov xaim hluav taws xob hauv cov chaw tsim khoom thiab cov chaw tsim kho xav tau kev tiv thaiv ntxiv. Kev rwb thaiv tsev tsis yog ib txwm tiv nrog cov haujlwm no, yog li siv cov khoom siv tshwj xeeb uas tseem ua haujlwm ntawm kev faib khoom thiab kev sib txuas zoo. Ib qho kev ua tiav ntawm cov xaim zoo li no yog lub tsheb thauj neeg lub cev uas muaj ib lossis ntau cov kab hluav taws xob.

Device overview

Tus tsim ntawm lub busbar yog ib tug nruj channel rau nteg cables ua hauj lwm nyob rau hauv voltage mus txog 1 kV. Qhov zaus ntawm kev hloov pauv tam sim no hauv lub network tuaj yeem yog 50-60 Hz, thiab lub zog tuaj yeem ncav cuag 250 A. Cov yam ntxwv tseem ceeb yog qhov tsis kam ntawm busbar trunking rooj plaub, vim nws yog tsim los tiv thaiv kab los ntawm txhua yam, thermal, noo noo thiab tshuaj muaj zog. Txhawm rau qhia cov khoom tiv thaiv, kev faib tawm los ntawm cov lej yog siv. IP. Tshwj xeeb, IP68 cim lub cev lub cev tuaj yeem siv tau ob qho tib si hauv cov tsev nyob thiab hauv cov chaw ua haujlwm thiab cov chaw ua haujlwm uas muaj qhov kub thiab txias heev. Lub rwb thaiv tsev cam khwb cia tseem tiv thaiv lub voj voog ntawm lub siab, dej, plua plav thiab electromechanical cuam tshuam. Tab sis dhau li ntawm kev tiv thaiv kev ua haujlwm, lub tsheb npav tseem muaj txoj haujlwm ergonomic, uas yog txhawm rau ua kom yooj yim rau cov txheej txheem ntawm kev sib txuas cov khoom siv rau hauv daim phiaj hluav taws xob.

Kev faib tawm ntawm Busbars

Raws li qhov sib txawv ntawm cov xwm txheej rau kev siv cov ntaub thaiv npog tuaj yeem ua tau, hom busbars yog ntau yam. Feem ntau suav nrog cov yam ntxwv hauv qab no ntawm kev faib tawm:

• Qhov kev kaw qhov kaw. Muaj ob qho tag nrho kaw thiab qhib cov qauv. Nws ncaj qha nyob ntawm kev sib txuas lus ntawm cov cuab yeej thiab qhov chaw ua haujlwm.
• Txoj kev. Faib cov chaw nyob ruaj ruaj thiab portable circuits. Kev xaiv ntawm lub tsheb npav loj raws li qhov kev ntsuas no kuj nyob ntawm qhov xwm txheej ntawm daim ntawv thov cable hauv cov xwm txheej tshwj xeeb. Cov tsev nyob ruaj khov yog siv ntau dua hauv kev lag luam nrog cov ntsiab lus ruaj khov thiab cov khoom siv hluav taws xob. Nyob rau hauv lem, portable tsheb npav ducts yog siv nyob rau hauv cov chaw uas muaj aggression ib puag ncig yam tsis muaj ib tug mus tas li hluav taws xob infrastructure.
• Cov khoom tsim tawm. Yeej, hlau yog siv uas tau kho kom tau txais cov khoom tiv thaiv corrosion. Nws tuaj yeem yog anodized aluminium alloys (lawv yog lub teeb yuag thiabcompactness), thiab stainless hlau (hnyav tab sis ruaj siv nrog qib siab ntawm kev tiv thaiv).

Type of busbar sections

Ib qho kev sib txuas ntawm cov khoom no tsis muaj nyob rau hauv cov kab sib txuas ntawm tib hom, uas hloov pauv tsuas yog nyob rau hauv qhov ntsuas ntawm ntu thiab qhov ntev. Lub tsheb npav tag nrho muaj lub pob tw, tig thiab lwm cov ntsiab lus nyuaj, sawv cev los ntawm ntu ntawm ib hom lossis lwm qhov. Cov txheej txheem ntau yam ntawm busbar trunking ntu muaj xws li cov hauv qab no:

• Kev sib txuas. Nws yog siv los hloov nrog cov tswj vaj huam sib luag thiab txuas cov channel mus rau lub busbars ntawm lub vaj huam sib luag hluav taws xob.
• End feed section. Taw qhia rau hauv lub network los tswj lub zog hauv lub busbar los ntawm kev siv nws los ntawm kev hloov pauv cable.
• Txoj kev txuas lub kaum sab xis. Nws tuaj yeem siv los qhia lub tsheb npav mus rau hauv lub network ntawm qhov nyuaj tig, qhov uas nws tsis tuaj yeem siv ntu kev tsim kho.
• Passable ntu. Ib pab pawg neeg coob ntawm cov log tsheb prefabricated uas siv nyob rau hauv kev hloov pauv thiab nodal thev naus laus zis nrog cov kev cai tshwj xeeb. Piv txwv li, nws tuaj yeem hla hauv pem teb thiab phab ntsa, thaj chaw uas muaj hluav taws kub txaus ntshai, thiab lwm yam.

Busbar Trunk Structures

Ib qho tshwj xeeb ntawm cov khoom siv no yog qhov muaj peev xwm tiv taus cov dej ntws siab hauv thaj tsam ntawm 1600 txog 4000 A. Cov qauv kev teeb tsa ntawm cov ncej tso cai rau koj los nruab ob lub zog siv rau txhua 6 m ntawm lub ntsiab.sib txuas. Cov qauv tsim nrov tshaj plaws yog hom ShMA. Cov cuab yeej no muaj peb lub log tsheb, ib qho yog sawv cev los ntawm xoom contour muab tso rau sab nraum lub cev nyob rau hauv daim ntawv ntawm ob lub txhuas fab. Lub hauv paus ntawm lub ntsiab busbar SHMA yog tsim los ntawm cov ntu ncaj nrog qhov ntev ntawm 75 mus rau 350 cm. Tee, lub kaum sab xis, ceg thiab ib pawg dav ntawm cov khoom sib txuas tuaj yeem ua raws li kev ua haujlwm ntxiv. Cov seem yooj yim yog siv kom tsis txhob muaj kev cuam tshuam, uas tseem tso cai rau koj hloov cov theem ua ntu zus.

Busbar Distribution Structures

Qhov tseem ceeb ntawm cov khoom siv no yog ua raws li ShRA system nrog lub zog tam sim no txog li 630 A. Lub luag haujlwm tseem ceeb ntawm kev xa tawm yog qhov chaw ua haujlwm network tso ntawm circuits thiab ceg ntawm cov kab cable. Yog li ntawd, lub zog tam sim no tsis tshua muaj, tab sis muaj kev xaiv dav dav ntawm kev teeb tsa. Ob qhov kev faib tawm thiab cov kav dej loj loj muab rau kev sib koom ua ke ntawm ob peb lub ntsiab lus rau cov tswv yim ntawm cov khoom siv hluav taws xob. Tab sis yog tias tus lej siab tshaj plaws ntawm cov kwj dej tseem ceeb tsis tshua muaj ntau tshaj peb, ces SRA system tso cai rau koj mus txuas mus txog rau rau lub zog txais hluav taws xob ntawm peb-meter seem. Plaub-bar faib cov qauv kuj tau siv, uas ib qho xoom thiab peb theem circuits tau muab.

Lub teeb busbars

Tshwj xeeb channel los tsim kom muaj zog thiab ua haujlwm teeb pom kev zoo. Hauv nws txoj kev npaj, cov log tsheb ntawm 25 A yog siv, thiab cov theem yuav txawv - thiab ntawm 380,thiab 220 V. Ib-theem tshuab kuj tseem siv rau hauv kev lag luam, thaum tsis tas yuav muaj kev thauj khoom siab rau cov neeg siv khoom qis. Nws yog ib qho ua tau los ua ib ceg los ntawm lub ntsiab busbar ntawm 0.4 kV raws SCO kab, thiab tom qab ntawd pab pawg taw tes decouplings ntawm ib-theem ntsaws txuas rau txhua lub teeb pom kev zoo tom qab 5-10 m. Cov khoom siv raug tshem tawm los ntawm kev clamps nrog hooks. thiab txuas nrog lub ntsaws. Cov kauj ruam ntawm fastening tus qauv ntawm qhov nruab nrab nws txawv ntawm 2 mus rau 3 m.

Busbar installation

Cov channel yog mounted siv hlau profiles thiab ib qho kev kho kho vajtse. Thaum pib, daim duab kab hluav taws xob tau kos los qhia txog qhov contours ntawm lub gasket thiab cov ntsiab lus ntawm lub busbar trunking. Tsis tas li ntawd, qhov chaw uas txoj kev yuav dhau mus tau raug npaj. Hauv particular, kev txiav thiab qhov yog tsim raws cov phab ntsa thiab hauv pem teb, los ntawm kev fastening yuav tsum tau nqa tawm. Cov txheej txheem installation cov lus qhia rau lub cev lub tsheb npav ducts xav kom lub installation yuav tsum tau nqa tawm nyob rau hauv tej yam kev mob ntawm kev npaj ntawm qhov chaw rau kev tsim kho thiab kho cov hauj lwm nrog tag nrho cov kev tiv thaiv ntawm cov channel ntsiab los ntawm kev sib kis thiab mechanical puas tsuaj.

Nyob rau thawj theem, cov ntaub ntawv los ntawm U-zoo li tus hlau profiles raug mounted. Lawv txuas rau hauv pem teb nrog screws, screws los yog dowels. Tsis tas li ntawd, lub cev ntawm cov khoom tau muab tso rau hauv qhov zawj uas twb muaj lawm, tom qab ntawd kaw U-shaped profile raws li, uas tau koom nrog kev txhawb nqa cov ntsiab lus zoo sib xws los ntawm kev thauj tog rau nkoj ntsia liaj qhov rooj thiab cov hlua txuas.

Siv lub cuab yeej

BRaws li kev tiv thaiv thiab kev txhim kho cov khoom siv hluav taws xob, lub busbar tuaj yeem siv tsis tau tsuas yog ntawm kev tsim khoom lag luam hauv cov khw sib dhos nrog cov kab conveyor, tab sis kuj tseem nyob hauv kev tswj hwm, pej xeem thiab cov tsev nyob. Qhov dav ntawm cov khoom siv no yog vim muaj kev ntseeg siab thiab qib ntawm kev tiv thaiv, uas tso cai rau koj los tiv thaiv cov kab hluav taws xob los ntawm ntau yam kev puas tsuaj. Kev teeb tsa hluav taws xob ntawm lub tsheb npav tseem ceeb tuaj yeem ua tau nyob rau hauv yuav luag txhua yam kev npaj, suav nrog los ntawm qhov rais, qhib thiab qab nthab. Qhov nuance no tseem ua rau muaj kev sib kis ntawm fittings, ua tiav los ntawm ntu ntawm ntau qhov sib txawv thiab hom.

Zaj lus

Nyob rau hauv kev xaiv txoj cai busbar trunking, nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account tsis yog tsuas yog kev tiv thaiv cov cai ntawm lub ntsiab tam sim no-nqa kab, tab sis kuj logistical yam ntawm installation. Qhov tseeb yog tias txoj kev siv hluav taws xob ua haujlwm rau cov neeg siv khoom tshwj xeeb, tab sis txoj haujlwm ntawm qhov kawg thaum lub sijhawm ua haujlwm ntawm qhov chaw yuav hloov pauv. Yog li hais tias xws li rearrangements tsis yuam re-cov cuab yeej ntawm cov hluav taws xob infrastructure, configuration ntawm lub tsheb npav loj duct yog xam nyob rau hauv ua ntej los ntawm qhov pom ntawm nws cov kev sib cuam tshuam nrog cov khoom siv. Tau kawg, tsis txhob hnov qab txog kev pheej hmoo ntawm kev kub ntxhov. Lawv tau muab tso rau ntawm theem ntawm kev tsim qhov project - piv txwv li, ib lub tsheb npav raug cai yuav tsum tiv taus ntau tshaj 10% saum toj nominal network kev ua tau zoo rau 2 teev / hnub. Kev cuam tshuam ntawm microclimatic, kev cuam tshuam electromagnetic, thiab lwm yam yog xam cais.