Kev txheeb xyuas txoj kev ntawm Hnub Ci Vaj Huam Sib Luag Kev Nyab Xeeb Kev Ua Haujlwm
Kev nyab xeeb kev ua tau zoo ntawm lub hnub ci vaj huam sib luag yog qhov tseem ceeb tshaj plaws los xyuas kom meej tias lawv cov kev ua haujlwm zoo tsis ua rau muaj kev puas tsuaj rau lub cev, tib neeg, lossis ib puag ncig. Hauv tsab xov xwm no, peb tham txog kev nthuav dav cov txheej txheem pov thawj rau kev nyab xeeb kev ua haujlwm ntawm lub hnub ci vaj huam sib luag thiab lawv cov qauv kev ua haujlwm.
Kev txheeb xyuas cov txheej txheem rau kev nyab xeeb kev ua haujlwm:
1. Kev ntsuas hluav taws xob rwb thaiv tsev:
Txhawm rau ua kom muaj kev nyab xeeb, cov hnub ci vaj huam sib luag yuav tsum muaj cov hluav taws xob rwb thaiv tsev zoo ntawm lub vaj huam sib luag thiab nws cov ncej. Kev ntsuas hluav taws xob rwb thaiv tsev yog ua tiav los xyuas cov qib rwb thaiv tsev ntawm lub hnub ci vaj huam sib luag.
Qhov kev ntsuam xyuas yog qhov yooj yim heev, thiab txhua yam koj xav tau yog qhov muaj hluav taws xob siab, cov kab hluav taws xob, thiab multimeter. Lub qhov hluav taws xob siab yog txuas nrog lub hnub ci vaj huam sib luag, thiab tag nrho peb lub terminals ntawm lub vaj huam sib luag yog luv luv siv cables. Lub multimeter txuas nrog rau qhov zoo thiab qhov tsis zoo ntawm lub vaj huam sib luag, thiab nws qhov voltage yog ntsuas.
Yog tias qhov ntsuas hluav taws xob ntau dua 2.5Kv, lub vaj huam sib luag tau dhau qhov kev ntsuas hluav taws xob hluav taws xob.
2. Grounding Resistance Test:
Kev tiv thaiv hauv av yog ib qho tseem ceeb uas yuav tsum tau kuaj xyuas kom paub tseeb qhov kev nyab xeeb ntawm cov hnub ci vaj huam sib luag. Kev ntsuam xyuas hauv av yog ua tiav los xyuas seb lub vaj huam sib luag hluav taws xob puas ua haujlwm zoo.
Hauv qhov kev sim no, lub hnub ci vaj huam sib luag txuas nrog qhov paub txog qhov hluav taws xob, thiab qhov kev tiv thaiv ntawm lub vaj huam sib luag hauv av thiab lub ntiaj teb raug ntsuas. Kev tiv thaiv hauv av tsawg dua 4Ω qhia tau tias lub vaj huam sib luag hauv av ua haujlwm tau zoo, thiab kev nyab xeeb kev ua haujlwm tau ua tiav.
3. Thermal Cycling Test:
Lub hnub ci vaj huam sib luag raug cuam tshuam rau ib puag ncig sib txawv, uas ua rau kev ntsuas thermal tseem ceeb rau kev ua kom lawv txoj kev nyab xeeb. Kev ntsuas thermal cycling suav nrog hloov lub vaj huam sib luag qhov kub thiab txias ntawm qhov qis thiab siab siab thaum ntsuas cov hluav taws xob tso zis.
Qhov kev ntsuam xyuas yog ua los ntawm kev nthuav tawm lub hnub ci vaj huam sib luag rau qhov kub thiab txias (-40 degree) rau ib teev, thiab tom qab ntawd muab tso rau qhov kub siab (+85 degree) rau lwm teev. Cov zis hluav taws xob yog ntsuas tom qab txhua lub voj voog thermal.
Rau lub hnub ci vaj huam sib luag kom dhau qhov kev ntsuas thermal cycling, nws cov hluav taws xob tso zis yuav tsum nyob ruaj khov thoob plaws lub voj voog.
4. Hail Test:
Hailstorms tuaj yeem ua rau muaj kev puas tsuaj loj rau lub hnub ci vaj huam sib luag, uas ua rau kev sim lawg qhov tseem ceeb los xyuas kom meej lub hnub ci kev nyab xeeb kev ua haujlwm. Kev ntsuam xyuas lawg yuav tsum tso lub pob 25 hli steel rau ntawm lub vaj huam sib luag saum npoo ntawm qhov siab ntawm 1m, thiab tom qab ntawd xyuas seb puas muaj kev puas tsuaj.
Lub vaj huam sib luag kev nyab xeeb kev ua tau zoo raug txheeb xyuas yog tias nws tuaj yeem tiv taus qhov kev sim lawj yam tsis muaj kev puas tsuaj loj.
Cov Cai Ua Haujlwm:
Hnub ci vaj huam sib luag hloov lub hnub ci mus rau hauv hluav taws xob hluav taws xob siv cov nyhuv photovoltaic. Lub vaj huam sib luag suav nrog ntau lub cell photovoltaic txuas nrog hauv series. Txhua lub xov tooj muaj cov txheej txheem tsis zoo thiab cov txheej txheem zoo, uas ua rau muaj hluav taws xob thaum raug tshav ntuj.
Thaum tshav ntuj hits ib lub xovtooj, nws excites cov electrons thiab tsim hluav taws xob tam sim no. Cov cell ' generated tam sim no yog sau los ntawm lub vaj huam sib luag cov hlau tiv tauj thiab xa los ntawm cov xov hlau mus rau lub inverter, uas hloov cov tam sim no ncaj qha (DC) mus rau alternating tam sim no (AC) siv nyob rau hauv tsev los yog nyob rau hauv daim phiaj fais fab.
Xaus:
Txhawm rau kom muaj kev nyab xeeb ntawm cov hnub ci vaj huam sib luag, nws yog ib qho tseem ceeb uas yuav tsum tau ua ntau yam kev ntsuam xyuas xws li hluav taws xob rwb thaiv tsev, kev tiv thaiv hauv av, thermal cycling, thiab lawg tests. Cov kev ntsuam xyuas no ua pov thawj tias cov hnub ci vaj huam sib luag muaj kev nyab xeeb thiab txhim khu kev qha rau kev siv. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub hnub ci vaj huam sib luag yog qhov yooj yim thiab cuam tshuam nrog cov nyhuv photovoltaic uas hloov lub hnub ci mus rau hauv hluav taws xob los ntawm cov cell photovoltaic. Nrog rau kev ntsuas kev nyab xeeb kom raug, cov hnub ci vaj huam sib luag tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa peb lub ntiaj teb.