Thoob plaws hauv tag nrho cov txheej txheem ntawm switchgear project tsim thiab kev siv, qhov ua tau zoo ntawm kev sib txuas lus ntawm hluav taws xob engineers thiab structural / system designers ncaj qha txiav txim qhov project ncua sij hawm, nqi, thiab kev ntseeg tau. Raws li kev lag luam txheeb cais los ntawm txawv teb chaws, 42% ntawm switchgear project qeeb stems los ntawm tsis meej interface yuav tsum tau. Ntawm cov no, cov teeb meem tshwm sim muaj xws li qhov tsis sib xws hauvswitchgear meteringinterface compatibility, ambiguous interlocking logic nyob rau hauv lubswitchgear system, thiab kev tsis sib haum xeeb hauv qhov loj me rau cov hlau - kaw switchgear. Tsab ntawv xov xwm no nthuav tawm cov qauv kev sib txuas lus uas yuav tsum tau ua daim ntawv lees paub los pab cov engineers hluav taws xob kom raug xa mus rau qhov tseem ceeb thiab ua kom muaj kev sib koom tes zoo nrog cov neeg tsim qauv.
Ib, Core Interface Requirements Confirmation Sheet
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hom interface |
Cov khoom pov thawj |
Cov ntaub ntawv tseem ceeb yuav tsum tau qhia meej |
Cov ntsiab lus tseem ceeb rau cov neeg tsim qauv teb |
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1. hluav taws xob interface |
Kev ntsuas interface (switchgear metering) |
① Kev ntsuas ntsuas hom (tam sim no / voltage / fais fab tuag); ② Hom tso zis (4-20 mA analog / RS-485 digital); ③ Kev sib txuas lus raws tu qauv nrog lub ntsuas hluav taws xob (DL / T 645 / IEC 61850) |
Txheeb xyuas tus pin interface cov ntsiab lus thiab qhov chaw khaws cia kom ntseeg tau tias kev sib koom ua ke tsis sib haum xeeb ntawm kev ntsuas qhov ntsuas thiab qhov ntsuas qhov backend |
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2. system interface |
Interlocking logic (switchgear system) |
1.Interlocking tej yam kev mob nrog upstream thiab downstream switchgear (xws li, kaw kev tso cai, txhaum kev cais logic); 2.Interlocking signals nrog kev tiv thaiv hluav taws thiab kev ruaj ntseg systems (xws li, hom kev mus ncig thaum muaj xwm txheej tshwm sim); 3. Cov lus teb ncua sij hawm rau cov chaw taws teeb tswj interfaces (tsawg dua lossis sib npaug li 50 ms) |
Qhia meej txog cov txheej txheem kev sib cuam tshuam ntawm lub switchgear system, kos lub logic thaiv daim duab rau kev sib cuam tshuam, thiab zam kom tsis txhob muaj kev tsis sib haum xeeb. |
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3. Mechanical installation interface |
hlaumuab kawswitchgear |
① Txawb qhov ntev (L × W × H, kam rau ua Tsawg dua lossis sib npaug ± 2 cm); ② Mounting qhov layout (qhov sib nrug, qhov taub, thiab thauj khoom-cov kabmob muaj peev xwm Ntau dua lossis sib npaug li 500 kg); ③ Lub qhov rooj qhib lub kaum sab xis (Ntau dua lossis sib npaug ntawm 120 degree) thiab tshem tawm kev ua haujlwm (Ntau dua lossis sib npaug li 60 cm) |
Txheeb xyuas cov xwm txheej hauv kev tsim vaj tsev nyob hauv qhov chaw teeb tsa, ua kom zoo dua cov txheej txheem txheej txheem ntawm cov hlau- kaw qhov hloov pauv, thiab xyuas kom muaj kev tsim kho |
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4. Kub dab dej interface |
Cov txheej txheem txias thiab lub zog |
① Cov kev xav tau ntawm tshav kub dissipation nyob rau hauv cov kev ua haujlwm ntsuas (Ntau dua lossis sib npaug rau XX kW); ② Txoj kev nyiam txias txias (passive txias / yuam cua txias / kua txias); ③ Qhov chaw ntawm qhov cua txias thiab kev tiv thaiv plua plav |
Xam cov cua sov uas tau tsim thaum lub sijhawm ua haujlwm hloov pauv, xaiv cov kev ua kom txias kom tsim nyog, thiab tiv thaiv cov khoom siv los ntawm qhov kub thiab txias. |
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5. Kev sib txuas lus interface |
Data Transfer Interface |
① Kev sib txuas lus raws tu qauv (IEC 61850-8-1 / MODBUS TCP); ② Tus naj npawb ntawm cov interfaces (Ntau dua lossis sib npaug rau 2 qhov chaw nres nkoj rov qab); ③ Cabling txoj kev (shielded twisted khub / fiber optic) |
Khaws qhov chaw teeb tsa rau kev sib txuas lus sib txuas kom ntseeg tau tias muaj kev cuam tshuam - tiv thaiv cov teeb liab kis tau tus mob thiab kev sib raug zoo nrog kev sib txuas lus tag nrho ntawm covswitchgear system |
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6. Kev tu vaj huam sib luag |
Maintenance Access and Spare Parts Storage |
① Kev saib xyuas tshem tawm rau cov khoom tseem ceeb (circuit breakers, tam sim no transformers) (Ntau dua los yog sib npaug li 30 cm); ② Dimensions thiab load peev xwm ntawm spare qhov chaw cia drawers (Ntau tshaj los yog sib npaug zos rau 100 kg); ③ Qhov chaw thiab qhov tshwj xeeb ntawm kev sib txuas hauv av (M16 bolts + tooj liab busbar hla-section Ntau dua lossis sib npaug li 50 mm²) |
Txhim kho lub txee tsim qauv kom ntseeg tau tias muaj kev nyab xeeb ntawm cov neeg ua haujlwm tu, tsis muaj kev cuam tshuam nrog kev tiv thaiv kev tiv thaiv rau cov hlau- kaw hloov pauv |
II. Cov ntsiab lus tseem ceeb rau kev txheeb xyuas qhov cuam tshuam cuam tshuam txog 3 Siab -Cov Lus Tseem Ceeb
1. Switchgear metering: Lub hauv paus ntsiab lus tseem ceeb ntawm kev ua kom qhov tseeb hauv kev ntsuas kev sib tshuam
Switchgear metering yog ib qho tseem ceeb rau kev saib xyuas kev siv hluav taws xob thiab kev siv nyiaj txiag. Kev txheeb xyuas qhov cuam tshuam yuav tsum zam "cov lus piav qhia tsis meej." Cov kws tsim hluav taws xob yuav tsum tau qhia meej: ① Qhov chaw teeb tsa ntawm cov ntsiab lus ntsuas (sab nkag / tawm sab nraud) thiab qhov yuav tsum tau muaj tseeb (Class 0.2S / Chav Kawm 0.5S); ② Kev tiv thaiv kev tiv thaiv rau cov teeb liab cables (shielded twisted-pair cable, shield grounding resistance Tsawg dua lossis sib npaug li 4 Ω); ③ Fais fab mov rau metering li (AC 220 V / DC 110 V, redundant fais fab mov). Cov neeg tsim qauv yuav tsum ua tib zoo muab cov duab txuas txuas txuas, qhia txog kev sib txuas ntawm cable thiab mounting txoj kev, kom ntseeg tau tias cov ntaub ntawv raug sau thiab ruaj khov kis tau tus mob rau switchgear metering.
2. Switchgear System: "Quantitative Specifications" rau System Interlocking Logic
Lub hauv paus ntawm kev txheeb xyuas qhov sib cuam tshuam rau lub tshuab hluav taws xob hloov pauv yog "cov logic meej thiab zoo- lub luag haujlwm tau hais tseg." Cov kws tsim hluav taws xob yuav tsum muab cov ntaub ntawv sau qhia meej: ① Kev ntsuas ntau rau kev cuam tshuam cuam tshuam rau cov xwm txheej (xws li, overcurrent mus txawv tebchaws tam sim no, undervoltage tso qhov pib); ② Interface tawm tswv yim mechanisms nyob rau hauv qhov teeb meem txhaum cai (piv txwv li, lub sij hawm ntawm qhov teeb meem txhaum cai, rov pib txoj kev); ③ Redundancy tsim yuav tsum tau (xws li, Ntau tshaj los yog sib npaug rau 2 thaub qab raws rau qhov tseem ceeb tswj interfaces). Cov neeg tsim qauv yuav tsum tsim cov duab sib txuas sib txuas ua ke rau cov kab ke hloov pauv raws li cov kev xav tau no, qhia meej txog thaj tsam ntawm txoj cai thiab lub luag haujlwm rau txhua qhov module txhawm rau tiv thaiv kev cuam tshuam tsis ua haujlwm tom qab.
3. Hlau -kab switchgear: "Dimensional constraints" rau installation interfaces
Vim yog qhov xwm txheej zoo ntawm cov hlau -kab switchgear, txawm tias me me sib txawv hauv kev sib cuam tshuam tuaj yeem tiv thaiv kev teeb tsa. Cov kws tsim hluav taws xob yuav tsum muab: ① Cov ncauj lus kom ntxaws ntawm qhov ntawm - qhov chaw teeb tsa ib puag ncig (xws li, cov khoom siv chav tsev qab nthab qhov siab, hauv pem teb load-cov kabmob muaj peev xwm, qhov rooj thiab qhov rai qhov ntev); ② Kev nyab xeeb yam tsawg kawg nkaus ntawm cov khoom nyob ib sab (piv txwv li, transformers, cable trench) (Ntau dua lossis sib npaug li 80 cm); ③ Cable routing txoj kev (sab saum toj nkag / hauv qab nkag) thiab aperture yuav tsum (Ntau tshaj los yog sib npaug rau XX mm). Cov neeg tsim qauv yuav tsum ua kom zoo dua qub txeeg qub teg ntawm cov hlau- kaw qhov hloov pauv raws li cov kev txwv no, ua kom muaj chaw txaus rau kev khoov cable thiab kev saib xyuas kev nkag mus tau los lav qhov kev txhim kho du.
III. Peb Cov Txheej Txheem Txhawb Kev Sib Txuas Lus Zoo
1. Kev sib txuas lus pom kev: Rau cov kev xav tau ntawm kev sib tshuam (xws li kev sib cuam tshuam ntawm lub tshuab hluav taws xob), cov kws tsim hluav taws xob tuaj yeem kos cov duab kos duab lossis cov kab kos, sau cov ntsiab lus tseem ceeb thiab cov kev txwv kom txo qhov tsis meej pem hauv cov lus piav qhia;
2. Ua raws li Cov Qauv Ua Ntej Thaum Ntxov: Kom meej meej cov qauv thoob ntiaj teb tswj hwm kev sib txuas tsim qauv (xws li IEC 62271-200, ANSI C37.20.1) kom ntseeg tau tias ob tog sib koom ua ke kev nkag siab ntawm cov kev cai;
3. Phased Reviews: Ua raws li cov kev xav tau ntawm kev sib tham nyob rau hauv ob qho tib si theem ua ntej thiab zaum kawg tsim, tsom mus rau kev txheeb xyuas qhov tsis sib xws rauswitchgear meteringthiab qhov tseeb qhov tseeb rau hlau -muab kawswitchgear, thiab tam sim ntawd kho txhua qhov tsis sib xws.
Xaus: Clear Interface txhais yog qhov tseem ceeb rau txoj haujlwm ua tiav
Kev siv tau zoo ntawm cov phiaj xwm switchgear pib nrog kev sib txuas lus meej ntawm kev xav tau ntawm kev sib tshuam. Los ntawm kev siv cov qauv kev lees paub, cov kws tsim hluav taws xob tuaj yeem teeb tsa cov kev xav tau cuam tshuam nrog cov ntsiab lus tseem ceeb xws li kev ntsuas hluav taws xob hloov pauv, lub tshuab hluav taws xob hloov hluav taws xob, thiab hlau- kaw qhov hloov pauv, yog li zam qhov kev pheej hmoo cuam tshuam nrog "hais lus cog lus." Nyob rau hauv lub neej yav tom ntej, raws li txawv teb chaws switchgear tej yaam num evolve mus rau ntse thiab modular designs, interface yuav tsum tau ua complex. Standardized, cov cuab yeej kev sib txuas lus pom yuav dhau los ua tus yuam sij rau kev txhim kho qhov kev sib koom tes ua haujlwm, pab ob tog ua tiav "kev sib txuas lus meej ntawm thawj qhov kev sim thiab kev tsim qauv ntawm thawj zaug."
Hais txog peb
Founded hauv 2018, Zhejiang Lvma Electric Co., Ltd. (LVMA) tsim rau 17 xyoo ntawm kev txawj ntse hauv cov khoom siv hluav taws xob tsim khoom- nrog rau kev tsom mus rauswitchgear thiab faib transformersuas powers thoob ntiaj teb infrastructure. Raws li ISO 9001-cov kws tshaj lij tau lees paub, peb tshwj xeeb hauv R&D, kev tsim khoom, thiab muab cov khoom siv siab- cov roj ua tau zoo-immersed/dry- hom faib transformers thiab ntau yam ntawm switchgear (xws li cov neeg siv hluav taws xob qis / nruab nrab-voltage switchgear), lub tshuab nqus tsev Circuit Court breaker nyob rau hauv Teb chaws Europe, nruab nrab cov khoom siv hluav taws xob, East, South America, Southeast Asia, thiab Africa.
Peb lub zog kev siv zog yog anched los ntawm ib pab neeg R & D tuav ntau tshaj 40 patents -ntau lub hom phiaj hloov pauv hloov tshiab: los ntawm cov kev soj ntsuam ntse uas ua kom muaj tseeb - lub sijhawm ua haujlwm taug qab ntawm cov tshuab hloov pauv mus rau cov txheej txheem tsim tawm digital uas ua kom muaj tseeb hauv cov khoom siv thiab cov khoom sib dhos. Peb seamlessly integrate switchgear nrog transformers kom xa ib qho - nres fais fab kev daws teeb meem, ua raws li cov qauv thoob ntiaj teb xws li IEC 61850 (rau switchgear system compatibility) thiab IEC 60298 (rau nruab nrab -voltage switchgear kev ua tau zoo).
Tsav los ntawm kev cog lus rau kev tsim kho tshiab, kev nyab xeeb, thiab kev ntseeg siab, LVMA tau hloov kho los ntawm cov chaw tsim khoom ib txwm muaj rau hauvntse, ntsuab hluav taws xob daws teeb meem. Peb cov khoom siv hloov pauv sawv tawm rau lawv cov kev tswj xyuas zoo (piv txwv li, ntsev tsuag tshuaj tiv thaiv ntau dua lossis sib npaug li 1000 teev rau lub txee lub cev, tag nrho -qhov kev ua tau zoo ntawm -25℃rau +55℃) thiab seamless compatibility nrog mainstream zog saib xyuas platforms. Los ntawm leveraging digital twin technology nyob rau hauv ntau lawm thiab ntse kuaj nyob rau hauv cov kev pab cuam tom qab muag, peb xyuas kom meej tias peb switchgear muab ruaj khov, npaum ua hauj lwm rau industrial nroj tsuag, coj mus muag complexes, thiab tauj dua tshiab zog tej yaam num thoob ntiaj teb.