IEC 61643-31: 2018 Zipangizo zamagetsi zotsika kwambiri - Gawo 31: Zofunikira ndi njira zoyeserera za SPD pazoyika za photovoltaic

IEC 61643-31: 2018 imagwira ntchito ku Surge Protective Devices (SPDs), yomwe cholinga chake ndi kutchinjiriza kuwopsa kwa mphezi kapena kuwonongeka kwakanthawi. Zidazi zidapangidwa kuti zilumikizidwe ku mbali ya DC ya makhazikitsidwe a photovoltaic ovotera mpaka 1 500 V DC. Zidazi zili ndi gawo limodzi losagwirizana ndi mzere ndipo cholinga chake ndi kuchepetsa ma voltages othamanga komanso kusokoneza mafunde. Makhalidwe amachitidwe, zofunikira zachitetezo, njira zoyezetsa ndi kuwunika zimakhazikitsidwa. Ma SPD omwe amatsatira mulingo uwu adadzipereka yekha kuti ayikidwe kumbali ya DC ya majenereta a photovoltaic ndi mbali ya DC ya ma inverters. Ma SPD a makina a PV okhala ndi mphamvu zosungirako mphamvu (monga mabatire, mabanki a capacitor) samaphimbidwa. Ma SPD okhala ndi malo osiyana omwe amalowetsera komanso kutulutsa omwe amakhala ndi kutayika kwamitundu yosiyanasiyana pakati pa ma terminal awa (otchedwa ma SPD awiri-doko malinga ndi IEC 61643-11: 2011) sanaphimbidwe. Ma SPD ogwirizana ndi muyezo uwu adapangidwa kuti azilumikizidwa kwamuyaya pomwe kulumikizana ndi kuchotsedwa kwa ma SPD okhazikika kumatha kuchitidwa pogwiritsa ntchito chida. Izi sizikugwira ntchito ku ma SPD onyamula.