ʻO nā helu hoʻolālā inverter inverter
E kōkua kēiaʻatikala e pili ana iāʻoe e helu i ka nui o nā modules ma nā modula no kēlā me kēia pahu pahu e hoʻolālā ana i kāu'ōnaehana PV. A me nā mea i hoʻohālikelikeʻia i nā'āpanaʻeluaʻelua mau'āpana, a me nā manawa, a me ka holoʻana o kēia manawa. I ka wā e hana ai i ka hana inverter e pono ai e noʻonoʻo i nā palena hoʻololi'ē aʻe, e noʻonoʻoʻia i ka wā e kū ana i kaʻike o ka iverter. A i ka wā o ka hanaʻana, heʻano nui keʻano o ka mahana.
1
ʻO ka Voltage / i kēia manawa e hana ana i nā mea hana o Solar e hilinaʻi nei ma keʻano o ka mahana, ke kiʻekiʻe o ka maltala ma lalo a iʻole ke kūʻai akuʻana i keʻano o ka bolat Pono nā mea i kēia manawa Me Mono a me Mono a me Poy Crystalline Soler Roar Borelal Hiki keʻikeʻia kēiaʻike ma luna o ka pahu data solal. Eʻoluʻolu e kiʻi i ke kiʻi 2.
2.ʻAʻole.
Ke hele nei nā'ōkuhi solar i nā'āpana subs (ʻo ia ka maikaʻi o ka papa hana i pili i ka mea maikaʻiʻole e hāʻawi i kēlā me kēia papa. No laila, pono mākou eʻike i ka nui o nā palī he nui āu i manaʻo ai e makemake ai e kelepona i nāʻano.
I ka wā e loaʻa ai iāʻoe nāʻike a pau āu e mākaukau ai e komo i loko o nā papa inoa o ka lā ma hope eʻike ai i ka hoʻolālāʻana i kēia manawa.
Nā helu uila:
1.ʻO ka voltage panoel = voc * (1+ (min.temp-25)
2. Max helu helu o nā pālani o nā lā. Hoʻopili i ka Voltage / Max Paltage
ʻO ka nui o kēia manawa:
1.ʻO ka Min Pantel i kēia manawa = isc * (1+ (max.temp-25)
2. Ma max helu o nā kaula = max. ʻO ka hoʻokomoʻana i kēia manawa / Min Pander i kēia manawa
3.
ʻO Curtiba, ke kūlanakauhaleʻo Brazil, ua mākaukau ka mea kūʻai aku e hoʻokomo i kahiʻano o keʻano he 35.8V, VMPT Hiki i ka voltage ke hiki i 1000v.
Inverter a me datasheet:
Nā kikowaena PALLAL.
A) i ka helu leo
Ma keʻano haʻahaʻa haʻahaʻa loa
1) Ke heluʻana o ke kikowaena ākea ma -3 ℃:
VOC (-3 ℃) = 45.5 * (1 + 3-25) * (- 0.03%)
2) helu helu o n ka helu nui o nā modules ma kēlā me kēia kaula:
N = Vex Input Voltage (1000 v) /49.7 Volt = 20.12 (E pili mau ana)
ʻAʻole pono ka nui o nā helu pv i kēlā me kēia kaula i kēlā me kēia o 20 mau modules, ma kahi o keʻano o ka mort
3) helu helu o ka mana o ka mana nui loa vmpp o 35 ℃:
Vmpp (35 ℃) = 45.5 * (1+ (35-25) * ((0.03%) (44 volt
4) Ke heluʻana o ka helu liʻiliʻi o nā modules m i kēlā me kēia kaula:
M = min mint boltage (160 v) / 44 volt = 3.64 (mau loa)
ʻO ka helu o nā pn pv pv pnoll i kēlā me kēia kaula e pono ai ma kahi o 4 mau modules.
B) ka luhi
ʻO ka pōkole pōkole i kēia manawa i keʻano o ka array scrayʻaʻole pono eʻoi aku ka nui o ka helu iʻaeʻia i kēia manawa:
1) helu helu o ka nui o kēia manawa 35 ℃:
Isc (35 ℃) = ((1+ (10 * (TCSC / 8)) (35-2% (356
2) Ke heluʻana o P ka nui loa o nā kaula:
P = 12 i ka helu nui o kēia manawa (12.5a) /9.16 A = 1.36 Rings (puni i lalo)
ʻAʻole pono ka artray i kahi kaula hoʻokahi.
Hōʻike:
ʻAʻole pono kēia hana no ka mppt i loko o ka mppt me nā kaula hoʻokahi wale nō.
C) hopena:
1.ʻO ka mea hana PV (PV Array) i loko ohoʻokahi kaula, ka mea e pili ana i ka mea e ae ai i ka mea ideke 5kw.
2. I kēlā me kēia kaula e pili ana i nā pākuʻi pili i piliʻiaI loko o 4-20 modules.
Hōʻike:
ʻOiaiʻo ka VPPt maikaʻi loaʻo MPPT maikaʻi loa oʻekolu mau mea hoʻohana ma kahi o 630v e like me ka maikaʻi o ka mea hoʻohana i kēia manawa. No laila ua'ōleloʻia e helu i ka helu o nā modula o nā keiki e like me ka boltage mppt maikaʻi loa:
N = maikaʻi mppt vopt voc / voc (-3 ° C) = 756V / 49.7v = 15.21
Laki StringStal Pal Mppt VPPT VOC = maikaʻi mppt Voltage X 1.2 = 630 × 1.56v
Panel Panoel maikaʻi loa mppt mpp = maikaʻi mppt vippt voltage x 1.2 = 630 × 1.319
No laila no RENACʻekolu mau papa hana o R3-5K-DT i ka helu helu helu helu Solar i hōʻikeʻia he 16 modules, a pono e hoʻopiliʻia e pili ana i hoʻokahi string 16x3ww = 5280w.
4. Hopena
Inverter Input Not of solar poshel form e hilinaʻi ana i ka mahana o ke aniani a me ka mahana. ʻO ka hana maikaʻi loa e hoʻokumuʻia ma ka VPPt maikaʻi loa o ka inverter.