Hāʻawi nā Surge Protective Devices (SPDs) i ka pale ʻana i nā ʻōuli uila a me nā spike, me nā mea i hoʻokumu pololei ʻia e ka uila. Hiki iā lākou ke hoʻohana ʻia ma ke ʻano he ʻenehana piha a i ʻole he ʻāpana i loko o nā mea uila.
Hoʻololi ka ʻōnaehana Photovoltaic (PV) i ka ikehu o ka lā i uila o kēia manawa. ʻO ka ʻōnaehana PV mai nā ʻōnaehana liʻiliʻi, kau ʻia ma luna a i ʻole nā hale i hoʻohui ʻia me nā mana mai kahi liʻiliʻi a hiki i nā ʻumi kilowatts, a i nā kikowaena uila nui o nā haneli megawatts. Hoʻonui ka hopena o nā hanana uila me ka nui o ka ʻōnaehana PV. Ma nā wahi me ka uila pinepine, e loaʻa pinepine nā ʻōnaehana PV i pale ʻole ʻia. ʻO kēia ka hopena i ka nui o ka hoʻoponopono a me ka hoʻololi ʻana i nā kumukūʻai, ka hoʻopau ʻana o ka ʻōnaehana a me ka nalowale o ka loaʻa kālā. ʻO nā mea pale pale hoʻoulu i hoʻokomo pono ʻia (SPDs) e hōʻemi i ka hopena o nā hanana uila.
Pono e pale ʻia nā lako uila koʻikoʻi o ka ʻōnaehana PV e like me AC/DC Inverter, nā mea nānā a me nā pūʻulu PV e nā mea pale pale (SPD).
No ka hoʻoholo ʻana i ka module SPD kūpono no ka ʻōnaehana PV a me kāna kau ʻana, pono ʻoe e ʻike:
1. ka uwila poepoe opua uila;
2.ka wela hana o ka ʻōnaehana;
3.ka uila o ka ʻōnaehana;
4. the system's short circuit current rating;
5.ka pae o ka nalu e hoomaluia
kū'ē (uila pololei a pololei paha); a me ka nominal discharge current.
ʻO ka SPD i hāʻawi ʻia ma ka hoʻopuka dc pono e loaʻa kahi dc MCOV e like a ʻoi aku paha ma mua o ka ʻōnaehana photovoltaic kiʻekiʻe loa o ka pā.
ʻO THOR TRS3-C40 series type 2 a i ʻole Type 1+2 DC SPDs no PV solar system hiki ke like me Ucpv DC500V,600V,800V,1000V,1200V, a me ka max 1500v.