Nyob rau hauv txawv teb chaws switchgear procurement tej yaam num, cov kev bid document yog cov ntaub ntawv tseem ceeb uas txhais lub luag hauj lwm ntawm ob tog thiab xyuas kom meej qhov project zoo. Txawm li cas los xij, qee tus neeg muag khoom, hauv kev sib zog los txo cov nqi thiab txo cov kev pheej hmoo, suav nrog cov ntsiab lus tsis meej hauv lawv qhov kev sib tw rau "cov chaw cog qoob loo," ua rau muaj kev tsis sib haum xeeb, kev siv nyiaj ntau dhau, lossis kev ncua sij hawm thaum lub sijhawm ua tiav. Raws li kev tshawb fawb kev lag luam, 63% ntawm cov khoom siv hluav taws xob hloov pauv txawv teb chaws tau ntsib kev tsis sib haum xeeb vim cov ntsiab lus tsis meej, nrog rau cov teeb meem feem ntau yog cov nqi hloov pauv hloov pauv, tsis ua rawsswitchgear systemcompatibility qauv, thiab txoswitchgear unitkev ua tau zoo. Tsab ntawv xov xwm no qhia txog xya cov lus tsis meej uas tau ntsib ntau zaus uas ua raws li "cuav" rau cov neeg muag khoom, nrog rau cov ntsiab lus tshuaj xyuas thiab cov tswv yim teb -kos duab ntawm kev nkag siab los ntawm cov kws tshaj lij manufacturers xws li Zhejiang Lvma Electric Co., Ltd. (LVMA), ISO 9001 cov ntawv pov thawj kev lag luam nrog 17 xyoo ntawm kev paub txog {6} cov khoom siv hluav taws xob.
I. Vague Core Performance Parameters: Zam kev "Theoretical Values" Trap
Cov yam ntxwv ntawm Vague Cov Cai:
Cov ntaub ntawv twv tsuas yog teev cov "cov ntsuas ntsuas" ntawm lub tshuab hloov pauv yam tsis tau qhia meej txog qhov sib txawv ntawm qhov ua tau zoo raws li kev ua haujlwm tiag tiag. Piv txwv li: "Qhov ntsuas luv luv-circuit breaking tam sim no ntawmswitchgear unitNws yog ntau dua los yog sib npaug rau 31.5 kA, tab sis nws tsis qhia meej txog qhov pib ntawm kev rhuav tshem lub peev xwm ntawm qhov ntsuas kub ntawm 40℃thiab 110% ntawm qhov ntsuas hluav taws xob.
Cov ntsiab lus tseem ceeb txheeb xyuas thiab teb cov tswv yim:
Xav kom cov neeg muab khoom siv los muab "tag nrho- qhov kev cog lus ua haujlwm," qhia tias lub tshuab hluav taws xob tswj tau ntau dua lossis sib npaug li 95% ntawm nws qhov kev ua tau zoo nyob rau hauv qhov kub thiab txias (-25℃rau +55} degree) thiab voltage fluctuations (85% mus rau 115% Un); Raws li kev siv, LVMA- paub txog nws txoj kev tswj xyuas zoo hauv kev pabcuam thoob ntiaj teb kev lag luam suav nrog Europe, Middle East, thiab Southeast Asia-ib txwm muab cov ntaub ntawv xeem thib peb uas suav nrog kev ua haujlwm tag nrho rau nws cov lus pom zoo.
Teb: "Thov muab ib daim ntawv qhia tag nrho -cov ntaub ntawv kuaj mob uas tau muab los ntawm ib qho kev tso cai thib peb-chaw kuaj xyuas tog, lees paub tias qhov ntsuas kub ntawm lub tshuab hloov pauv yog tsawg dua lossis sib npaug rau 65K tom qab 24 teev ntawm kev ua haujlwm tas li ntawm 110% ntawm qhov ntsuas load. Ua tsis tau raws li qhov yuav tsum tau ua nrog- com.
II. Vague Breakdown ntawm Switchgear Tus Nqi: Tiv Thaiv Tiv Thaiv "Ntawm Tus Nqi"
Cov yam ntxwv ntawm Vague Clauses:
Daim ntawv cog lus tsuas sau tag nrho cov "switchgear cost" yam tsis tau rhuav tshem cov nqi mus rau hauv cov khoom siv, kev teeb tsa thiab kev xa khoom, cov khoom seem, tom qab- muag muag, thiab lwm yam khoom; los yog nws hais tias "cov kev pabcuam ntxiv yuav raug them ntawm tus nqi lag luam," tawm hauv chav rau tus nqi nce tom qab.
Cov ntsiab lus tseem ceeb txheeb xyuas thiab teb cov tswv yim:
Xav kom tus neeg muag khoom muab "tus nqi nthuav dav" qhia txog qhov sib faib ntawm txhua yam khoom hauv tus nqi hloov pauv, thiab qhia tias qhov kev pab cuam tom qab nce nqi yuav tsum tsis pub tshaj 5% ntawm tus nqi lag luam thaum lub sij hawm kos npe rau daim ntawv cog lus; Cov tuam txhab muaj koob npe zoo li LVMA feem ntau suav nrog cov pob tshab tus nqi tawg hauv lawv qhov kev sib tw, ua raws li lawv txoj kev cog lus rau kev pabcuam tshaj lij thoob ntiaj teb kev lag luam.
III. Cov lus hais tsis meej ntawm Switchgear System Compatibility: Zam "Compatibility Failures"
Cov yam ntxwv ntawm Vague Clauses:
Tsuas yog thov tias "switchgear system yog sib xws nrog cov khoom siv hluav taws xob hauv hluav taws xob," yam tsis tau qhia meej lub hauv paus rau kev txheeb xyuas kev sib raug zoo nrog cov npe tshwj xeeb lossis cov qauv, lossis tsis qhia txog cov phiaj xwm kev koom ua ke nrog cov tshuab uas twb muaj lawm.
Cov ntsiab lus tseem ceeb txheeb xyuas thiab teb cov lus pom zoo:
Xav kom tus neeg muag khoom muab "Cov Ntawv Qhia Txog Kev Pom Zoo" uas qhia meej txog qhovswitchgear system's compatibility nrog tus neeg yuav khoom uas twb muaj lawm PLC tswj systems thiab lub hwj chim saib xyuas platforms (xws li, Modbus TCP, IEC 61850) thiab xyuas kom meej seamless kev koom ua ke; txhawb nqa los ntawm ntau tshaj 40 patents thiab kev coj noj coj ua los ntawm cov kws tshaj lij nrog GB txheej txheem kev paub dhau los (xws li LVMA tus kws tshaj lij tus thawj coj Mr. Ye Jinfei), cov neeg muag khoom tsim nyog tuaj yeem muab cov kev daws teeb meem kev sib koom ua ke rau hla - cheeb tsam thiab hla - cov ntawv thov.
Teb: "Thov muab cov ntaub ntawv sib tw debugging rau covswitchgear systemthiab peb cov XX-cov khoom lag luam soj ntsuam tam sim no, ua kom cov ntaub ntawv xa tawm latency Tsawg dua lossis sib npaug li 100 ms thiab kev sib txuas lus tau zoo dua los yog sib npaug li 99.9%, thiab cog lus tias yuav muab kev pabcuam dawb hloov kho thiab kev daws teeb meem kom txog thaum lub kaw lus ua haujlwm ib txwm. "
IV. Vague Materials and Manufacturing Standards: Rejecting "Substandard Products Passed Off as High-Quality"
Cov yam ntxwv ntawm Vague Clauses:
Cov nqe lus uas tsuas yog hais tias "switchgear yuav tsum yog ua los ntawm siab- cov hlau zoo" lossis "cov khoom tseem ceeb yuav tsum yog los ntawm cov khoom zoo-cov npe paub" yam tsis tau qhia cov qib khoom, cov qauv tsim khoom, lossis cov qauv tshwj xeeb. Piv txwv li: "Lub txee lub cev yog ua los ntawm txias- dov steel phaj," yam tsis tau qhia tias steel phaj thickness yog siab dua los yog sib npaug rau 2.5 hli, qhov saum npoo yog kho nrog electrostatic hmoov txheej (cov tshuaj tsuag ntsev ntau dua lossis sib npaug li 1,000 teev).
Cov Ntsiab Lus Txheeb Xyuas Cov Ntsiab Lus thiab Cov Lus Teb Lus Teb:
Xav kom cov neeg muab khoom siv los qhia cov qib khoom, kev tsim khoom, thiab cov khoom lag luam qauv. Piv txwv li: "Lub switchgear unit enclosure siv Q235B txias-rolled steel phaj, nrog ib tug tuab ntawm ntau tshaj los yog sib npaug zos rau 2.5mm, thiab cov nto undergoes phosphating + electrostatic hmoov txheej; nqus Circuit Court breakers yog xaiv los ntawm ABB VD4 series"; zoo ib yam li LVMA kev coj ua hauv kev tsim cov roj-immersed thiab qhuav- hom transformers, cov neeg muag khoom yuav tsum muab cov ntaub ntawv pov thawj thiab cov ntaub ntawv tso cai rau cov khoom lag luam kom paub meej txog kev taug qab.
Teb: "Thov muab cov ntaub ntawv pov thawj zoo thiab cov ntawv pov thawj kev tso cai rau cov khoom. Thaum xa khoom, peb yuav xaiv 3switchgear units rau txee thickness kuaj thiab tivthaiv qauv kuaj xyuas. Yog tias tsis yog - ua raws, qhov kev puas tsuaj ntawm 20% ntawm daim ntawv cog lus yuav raug them. "
Xaus: "Quantitative Metrics + Clear Accountability"
Los ntawm cov kev ua tau zoo ntawm ib tug neeg switchgear units mus rau lub compatibility ntawm lub switchgear system, thiab los ntawm cov ncauj lus kom ntxaws breakdown ntawm switchgear tus nqi mus rau tus txheej txheem txheej txheem rau warranty txais, txhua clause yuav tsum tau hais meej meej. Los ntawm cov phiaj xwm tshuaj xyuas thiab kev sib tham ua haujlwm, tus neeg yuav khoom tuaj yeem yuam cov neeg muag khoom kom ua qauv lawv cov ntsiab lus sib tw, yog li txo qhov kev pheej hmoo ntawm kev ua haujlwm ntawm qhov chaw. Raws li tau pom los ntawm cov tuam txhab xws li LVMA- uas tau hloov zuj zus los ntawm cov tuam txhab lag luam ib txwm siv rau cov chaw muab kev daws teeb meem ntsuab ntsuab ntse ntse - ua raws li cov qauv kev paub meej thiab kev sib txuas lus pob tshab yog qhov tseem ceeb kom tau txais kev lees paub thoob ntiaj teb. Nyob rau hauv lub neej yav tom ntej, raws li txawv teb chaws switchgear procurement tej yaam num nthuav dav nyob rau hauv scale, theem ntawm nthuav dav nyob rau hauv kev ntsuam xyuas yuav ua ib qho tseem ceeb rau txoj kev vam meej. Tsuas yog ua raws li qhov yuav tsum tau ua tsawg kawg nkaus ntawm cov ntsiab lus tuaj yeem ua kom tau zoo thiab ntev - cov txiaj ntsig tau lees paub.