1 Kev tiv thaiv hluav taws xob kev nyab xeeb: lub cev muaj kev cuam tshuam los thaiv kev pheej hmoo
1. High voltage cais thiab rwb thaiv tsev tiv thaiv
Lub hybrid inverter txais ntau qhov siab -voltage rho tawm tsim nyob rau hauv, thiab ib txheej rwb thaiv tsev ntxiv yog teem nruab nrab ntawm cov tub ntxhais Circuit Court thiab lub plhaub. Cov nqi hluav taws xob tiv thaiv tsis pub tsawg tshaj 100M Ω, uas tuaj yeem tiv taus siab -voltage impacts saum 2000V thiab tiv thaiv hluav taws xob los ntawm kev xau. Nyob rau tib lub sijhawm, nws tau nruab nrog lub ntsuas hluav taws xob ntsuas hluav taws xob txhawm rau txheeb xyuas cov xwm txheej rwb thaiv tsev ntawm lub voj voog hauv lub sijhawm. Thaum lub rwb thaiv tsev kev ua tau zoo poob mus rau qhov chaw nyab xeeb, nws tam sim ntawd ua rau lub suab nrov thiab pom kev ceeb toom thiab txiav tawm qhov siab -voltage circuit, thaiv qhov kev phom sij los ntawm qhov chaw. Lub davhlau ya nyob twg thaiv tau txais cov qauv kev ua haujlwm tsis zoo, npog nrog lub rwb thaiv tsev tiv thaiv npog, thiab tau sau meej meej nrog cov cim zoo thiab qhov tsis zoo kom tsis txhob muaj luv luv los ntawm kev xaim yuam kev thaum lub sijhawm teeb tsa.
2. Overcurrent thiab luv Circuit Court tiv thaiv mechanism
Hauv kev teb rau qhov kev pheej hmoo ntawm qhov txawv txav tam sim no, lub kaw lus tau nruab nrog ntau- qib kev tiv thaiv overcurrent: thaum cov zis tam sim no tshaj 1.2 npaug ntawm tus nqi ntsuas, thawj theem kev tiv thaiv overload yog qhib kom txo cov zis hluav taws xob; Yog tias qhov tam sim no tseem nce mus txog 1.5 npaug ntawm tus nqi ntsuas, qib thib ob luv luv - tiv thaiv Circuit Court yuav teb sai sai thiab txiav tawm lub ntsiab Circuit Court nyob rau hauv 2 milliseconds kom tsis txhob muaj kev tiv thaiv burnout vim overcurrent. Qhov kev tshawb pom tam sim no tau txais siab - qhov tseeb Hall sensors nrog qhov piv txwv zaus ntawm 10kHz, uas tuaj yeem ntes cov kev hloov pauv tam sim no. Txawm hais tias muaj qhov cuam tshuam ntawm millisecond theem luv luv Circuit Court, nws tuaj yeem ua rau muaj kev tiv thaiv raws sijhawm los xyuas kom muaj kev nyab xeeb ntawm Circuit Court.
3. Overvoltage thiab undervoltage tiv thaiv tsim
Cov ntsiab lus ntsuas hluav taws xob tau teeb tsa nyias ntawm kab sib chaws thiab lub zog cia sab: thaum daim phiaj hluav taws xob siab dhau (dhau 1.15 npaug ntawm tus nqi ntsuas) lossis qis dhau (qis qis dua 0.85 npaug ntawm tus nqi ntsuas), daim phiaj sab tiv thaiv module txiav tawm cov kab sib txuas kom tsis txhob muaj qhov txawv txav ntawm lub inverter; Thaum lub roj teeb hluav taws xob ntau tshaj qhov kev nyab xeeb (xws li cov roj teeb lithium hlau phosphate saum 3.65V / cell lossis qis dua 2.5V / cell), lub zog cia sab tiv thaiv yuav qhib, nres them thiab tawm haujlwm, thiab tiv thaiv roj teeb overcharging, bulging, lossis overdischarging attenuation. Qee cov qauv kuj txhawb kev cai voltage pib, uas tuaj yeem hloov kho qhov kev tiv thaiv raws li cov yam ntxwv ntawm cov kab hluav taws xob sib txawv hauv cheeb tsam thiab hom roj teeb.
2 Kev Tswj Xyuas Kev Ruaj Ntseg: Kev Ceeb Toom Kev Txawj Ntse thiab Kev Pabcuam Dynamic
1. Kev soj ntsuam xyuas lub sijhawm tiag tiag thiab ceeb toom txog kev pheej hmoo
Lub chaw tswj xyuas ntse sau cov ntaub ntawv tseem ceeb ntawm qhov zaus ntawm 1 thib ob ib zaug, suav nrog ntau dua 20 qhov tsis xws li cov tswv yim thiab cov zis hluav taws xob, tam sim no, lub zog, qhov kub thiab txias, roj teeb SOC (tseem tshuav), thiab lwm yam., thiab tshuaj xyuas thiab txiav txim siab txog kev ua haujlwm ntawm cov txheej txheem los ntawm algorithms. Thaum kuaj pom qhov ntsuas kub tsis zoo (xws li lub zog hluav taws xob kub siab tshaj 85 degree), ntau lub roj teeb siab sib txawv (dhau 50mV), lossis kab sib chaws zaus hloov pauv (ntau tshaj 50 ± 0.5Hz), cov ntaub ntawv ceeb toom tau raug thawb tam sim ntawd mus rau tus neeg siv lub davhlau ya nyob twg (APP lossis saib xyuas platform), thiab tseem ceeb ntawm lub cuab yeej tso saib ua ntej rau cov neeg siv kev pheej hmoo.
2. Thermal runaway tiv thaiv thiab tswj kub
Txhawm rau hais txog qhov teeb meem cua sov ntawm lub zog hluav taws xob, ob txoj kev daws teeb meem ntawm "active heat dissipation + passive heat dissipation" yog tau txais: passive heat dissipation yog tiav los ntawm lub siab thermal conductivity aluminium alloy plhaub thiab cov cua kub dissipation fins, uas sai hloov module tshav kub; Lub tshuab ua kom txias yog nruab nrog cov kiv cua ntse tswj qhov kub thiab txias, thiab kiv cua ceev yog hloov kho nrog qhov kub thiab txias - khiav ntawm qis qis qis dua 40℃thiab ntawm kev kub ceev siab tshaj 60 degree, kom ntseeg tau tias kub dissipation efficiency thaum txo suab nrov thiab lub zog noj. Qee cov qauv siab - kawg kuj tau nruab nrog cov tshuab ua kua txias, uas muaj cov cua sov ua kom zoo dua peb zaug ntau dua li cua txias. Lawv tuaj yeem ua haujlwm ntawm lub zog tag nrho hauv qhov chaw kub siab ntawm 45 degree, zam kev ua haujlwm tsis zoo lossis tsis ua haujlwm los ntawm kev kub dhau. Ib txhij teem kub fuse tiv thaiv. Thaum qhov kub ntawm cov khoom tseem ceeb tshaj 120 degree, lub fuse yuav txiav tawm, txiav tawm tag nrho cov Circuit Court.
3. Daim phiaj kev ruaj ntseg thiab kev tiv thaiv Island
Raws li kev tiv thaiv tseem ceeb rau kev sib txuas ntawm kab sib chaws, kev tiv thaiv kev tiv thaiv kev tiv thaiv ua haujlwm nruj me ntsis raws li cov qauv thoob ntiaj teb. Thaum daim phiaj hluav taws xob raug txiav tawm, lub kaw lus tuaj yeem kuaj xyuas qhov poob qis hauv 200 milliseconds thiab tshem tawm cov kab hluav taws xob sai sai kom tsis txhob muaj lub zog xa hluav taws xob mus rau daim phiaj, kom tsis txhob muaj kev pheej hmoo ntawm hluav taws xob poob rau daim phiaj saib xyuas cov neeg ua haujlwm. Ua ntej daim phiaj kev sib txuas, nws yog ib qho tsim nyog yuav tsum ua kom tiav daim phiaj sib koom ua ke kom ntseeg tau tias cov zis hluav taws xob, zaus, thiab theem ntawm lub inverter yog tag nrho nrog cov kab sib chaws, thiab qhov kev ua yuam kev synchronization raug tswj tsis pub dhau ± 1% kom tsis txhob muaj kev kub ntxhov tam sim no thaum lub sij hawm daim phiaj sib txuas thiab tiv thaiv kev ruaj ntseg ntawm daim phiaj thiab inverter. Qee cov qauv kuj txhawb nqa kev tiv thaiv kev tiv thaiv kev ua haujlwm, uas tuaj yeem ua haujlwm ntawm daim phiaj hluav taws xob hluav taws xob los xyuas seb cov txheej txheem tiv thaiv kev ua haujlwm tau zoo thiab ua kom ntseeg tau tias muaj kev cuam tshuam thaum lub sijhawm ua haujlwm.
3 Ib puag ncig thiab kev nyab xeeb ntawm cov qauv: kev tiv thaiv tsim kom haum rau kev ua haujlwm nyuaj
1. Kev tiv thaiv qib thiab ib puag ncig adaptability
Lub plhaub tau txais kev tsim qauv kev tiv thaiv IP65, nrog cov plua plav- pov thawj qib uas tiv thaiv plua plav nkag. Cov qib dej tsis muaj zog tuaj yeem tiv taus qis - cov tshuaj tsuag dej los ntawm txhua qhov kev taw qhia (xws li kev teeb tsa sab nraum zoov rau hnub los nag). Txawm hais tias nyob rau hauv qhov chaw muaj av noo thiab plua plav lossis chaw nres tsheb photovoltaic sab nraum zoov, nws tuaj yeem cais cov dej tawm sab nraud thiab cov impurities, kom tsis txhob muaj cov dej hauv Circuit Court thiab luv luv Circuit Court. Qee cov qauv tau dhau qhov ntsuas kub ntau ntawm -30℃mus rau 60 degree, nruab nrog preheating muaj nuj nqi nyob rau hauv qhov kub thiab txias ib puag ncig thiab txhim kho cov cua kub dissipation nyob rau hauv qhov kub thiab txias. Lawv tuaj yeem ua haujlwm ruaj khov hauv thaj chaw huab cua huab cua thiab hloov mus rau ib puag ncig kev xav tau ntawm cov cheeb tsam sib txawv thoob ntiaj teb.
2. Anti cuam tshuam thiab electromagnetic compatibility tsim
Qhov kev teeb tsa hauv Circuit Court tau txais cov ntsiab lus ntawm "kev sib cais ntawm analog thiab digital signals" thiab "kev cais tawm ntawm cov hluav taws xob muaj zog thiab tsis muaj zog" los txo cov electromagnetic cuam tshuam ntawm cov circuits sib txawv; Ntxiv electromagnetic shielding npog rau cov khoom tseem ceeb xws li chips thiab sensors los tiv thaiv lawv los ntawm cov hluav taws xob hluav taws xob sab nraud. Cov khoom siv tau dhau EMC (Electromagnetic Compatibility) ntawv pov thawj thiab ua tau raws li EN 61000-6-2 (Industrial Environment Immunity) thiab EN 61000-6-3 (Residential Environment Emission Limits) cov qauv. Nws yuav tsis ua rau electromagnetic cuam tshuam rau ib puag ncig cov khoom siv thiab cov khoom siv sib txuas lus, tab sis kuj tuaj yeem tiv thaiv kev cuam tshuam sab nraud xws li kev hloov hluav taws xob hluav taws xob thiab hluav taws xob tawm tsam, kom ntseeg tau tias kev ua haujlwm ruaj khov ntawm qhov system nyob rau hauv complex electromagnetic ib puag ncig.
3. Lub zog muaj zog thiab kev tiv thaiv thaum muaj xwm ceev
Lub plhaub yog ua los ntawm siab -lub zog txias- dov steel phaj thiab yog tsim ua ke, nrog rau kev cuam tshuam ntawm IK10 qib. Nws tuaj yeem tiv taus qhov cuam tshuam sab nraud ntawm 10 joules (xws li kev sib tsoo thaum lub sij hawm sab nraum zoov), tsis txhob deformation thiab kev puas tsuaj rau cov khoom sab hauv ntawm lub plhaub. Lub hwj chim thaum muaj xwm ceev- khawm kaw yog ntsia rau hauv qab ntawm cov khoom siv, uas tuaj yeem txiav tawm txhua lub zog hluav taws xob thaum nias, ua kom yooj yim kaw thaum muaj xwm txheej ceev. Ib txhij nruab nrog kev ua txhaum tus kheej rov qab ua haujlwm, qee qhov kev ua txhaum me me (xws li kev hloov pauv ntawm daim phiaj hluav taws xob tam sim) tuaj yeem sim rov pib dua thiab rov zoo yam tsis muaj kev cuam tshuam; Yog tias muaj kev ua haujlwm tsis zoo, cov cuab yeej yuav raug kaw thiab qhov txhaum cai yuav raug cawm, ua kom yooj yim rau cov neeg ua haujlwm saib xyuas kom sai nrhiav qhov teeb meem thiab txo qis sijhawm.