Tirohanga whānui mō te inverter PV Ka taea te whakamahi i te inverter, e mōhiotia ana ko te kaiwhakahaere hiko, i roto i ngā pūnaha whakaputa hiko o te rā hei pūtake hiko motuhake, hei hononga whatunga rānei. E ai ki te whakarerekētanga āhua ngaru, ka taea e ngā inverter te whai i te ngaru tapawhā, te ngaru taahiraa, te ngaru sine, te whakauru rānei i te toru-wāhanga. I roto i ngā pūnaha hono whatunga, ka taea e ngā inverter te whai i te momo-transformer, te kore-transformer rānei. Hanganga o te inverter PV Ko ngā taputapu semiconductor te hanga i te ara iahiko whakanui me te ara iahiko piriti inverter o te inverter, e whakatika ana i te mana tahuri AC tika. Ko ngā taputapu semiconductor matua e whai ake nei:
(1) Pūoko au: e hiahiatia ana te tika teitei, te tere o te tauhohenga, te ātete iti i te pāmahana, te ātete teitei i te pāmahana, me ētahi atu, he rerekē te kaha e pau ana i ngā pūoko au rerekē, ko te nuinga o te wā he pūoko au Hall hei tauira au;
(2) Whakawhiti iahiko: whānuitanga iahiko whānui, he maha ngā raupapa BRS;
(3) Pūtauhohenga. Te kaupapa mahi o ngā kaitahuri PV He ara iahiko whakanui me te ara iahiko piriti kaitahuri ngā kaitahuri PV. Ka whakanuia e te ara iahiko whakanui te ngaohiko DC ki te ngaohiko putanga, ko te ara iahiko piriti ka huri ki te ngaohiko AC auau pumau. Nō reira, ka huri ngā ara iahiko whakanui me te piriti kaitahuri i te mana DC ki ngā pūwāhi AC. Tekau ngā take noa me ngā tikanga tukatuka o ngā kaitahuri photovoltaic.
1. Ngā raruraru ratonga He rerekētanga te iti rawa, te teitei rawa o te ngaohiko me te auau o ngā ratonga (ngā waehere hapa F00-F03).① Whakatauhia mēnā e tutuki ana i te paerewa haumaru o te mīhini ngā paearu whatunga hiko ā-rohe.② Manatokohia ngā hononga pito putanga AC me te ine i te ngaohiko mā te whakamahi i te mita maha.③ Momotuhia te tāuru PV, tīmata anō te mīhini, ka tirohia mēnā he mahi noa.④ Mēnā ka mau tonu te raruraru, whakapā atu ki te kaituku hiko.
2. Hapa iti o te ārai whakamahana F07. ① Momotuhia te tāuru PV, tīmata anō te mīhini, tirohia mēnā kei te mahi tonu.② Manatokohia kei te neke atu i te 500KΩ te ātete PV+ me te PV-whenua. Mō ngā take kei raro iho i te 500KΩ, whakapā atu ki te kaituku inverter ā-rohe, ki te kaiwhakarato papa pākahiko rānei mō te āwhina.
3. He nui rawa te rerenga o te auHapa F20 Momotuhia te tāuru PV, tīmata anō te mīhini, ka tirohia mēnā kei te mahi tonu.② Ki te kore e angitu, whakapā atu ki te kaituku.
4. He tino teitei rawa ngā pāmahana o te pāreti hiko me te taiao. Ngā hapa F12, F13. ① Momotuhia te tāuru PV, tīmata anō te mīhini, tirohia mēnā kei te mahi tonu i muri i ētahi meneti o te whakamatao. ② Manatokohia mēnā he nui ake te pāmahana taiao i te awhe noa o te mīhini. Mēnā ka mau tonu te raruraru, whakapā atu ki te kaituku hiko.
5. Aroturuki me te kore raraungaAroturuki WiFi: Honoa te WiFi inverter, tirohia te whārangi aroturuki mō ngā mōhiohio inverter, mono anō i te kōwae WiFi kua hangaia, tirohia rānei te hononga WiFi RS485 o waho mēnā kāore he mōhiohio inverter, ā, ki te kore e taea e koe te rapu i te WiFi inverter, tirohia te kōwae WiFi kua hangaia mō te whakapā ngoikore, te mana WiFi o waho rānei. Hei aroturuki i te GPRS, whakamātauria te kaha tohu Ipurangi o te kaiwhakarato ratonga kotahi i te wāhi tāutanga inverter. Tirohia mēnā he whakapā ngoikore, he kōwae GPRS o waho kāore i te hiko.
6. Te aukati iti o te ārai hiko. Tangohia ngā taura hiko katoa i te taha whakauru o te inverter, kātahi ka honoa takitahi, whakamahia te taputapu tirotiro hiko-whakakā inverter hei kimi i ngā aho raruraru, tirohia te hononga DC mō te whāriki poto waipuke-wai, te whāriki poto whakakotahi kua wera rānei, ā, tirohia te wāhanga mō te ira pango kua wera i te taha e puta ai te turuturu o te wāhanga.
7. He hapa o te ia turuturu. Ka nui ake te raruraru o ngā taputapu kounga iti, te tāutanga kino, me te tūnga kāore i te tika. He maha ngā wāhi pakaru: ngā hononga DC kounga iti, ngā wāhanga, te teitei o te tāutanga wāhanga kāore i te tika, ngā taputapu hono whatunga kounga iti, te turuturu wai rānei, me ngā raruraru rite ka kitea mā te pūwāhi pupuhi wai, ā, ka whakatauhia mā te whakamarumaru pai. Mena ko te raruraru kei te wāhanga rauemi, whakakapia te rauemi.
8. Kāore te inverter e aro ki ngā waea tāuru DC, kaua e hurihia ngā waea tāuru DC, he pānga ārai-whakakorekore tō te hononga DC noa, engari kāore ngā pito kume. Pānuihia te pukapuka ā-ringa inverter hei manatoko he mea nui ngā pito pai me ngā pito kino me te kume. Mā te tiaki ara iahiko poto whakamuri o te inverter ka taea e ia te tīmata noa i muri i te waea noa.
9. Hapa whatungaTe nui rawa o te hiko whatunga: Ka whakaatahia te kawenga taumaha o te mahi (te whakapaunga hiko o ngā hāora mahi nui) me te kawenga māmā (te whakapaunga hiko o te wā okiokinga iti iho), i mua i te arotake i te ngaohiko whatunga, me te whakawhitiwhiti kōrero a ngā kaihanga inverter ki te whatunga ki te mahi i te whakakotahitanga o te hangarau hei whakarite kia noho te hoahoa kaupapa i roto i te whānuitanga whaitake, kaua e "whakaaro noa", inā koa i roto i ngā whatunga hiko taiwhenua, he mea tino nui te inverter ki te whatunga. He tino kaha ngā rohe ngaohiko, ngaru me te tawhiti o ngā whatunga me ngā inverter taiwhenua. Ko te nuinga o ngā raruraru ngaohiko nui ka puta mai i ngā ngaohiko kawenga mārama whatunga mata e nui ake ana, e tata ana rānei ki ngā uara tiaki haumaru. Mena he roa rawa te raina whatunga, he kino rānei te piko, kāore e taea e te tipu hiko te mahi noa me te pumau. Ko te whakautu ko te whakatau i te mana tuku hiko ki te whakarite i te ngaohiko, ki te momotu rānei i te whatunga me te aroturuki i te kounga o te hanganga teihana hiko." Ngaohiko iti o te whatunga": He rite tēnei raruraru ki te ngaohiko nui o te whatunga, engari ka taea hoki te hua he ngaohiko teka mena he iti rawa ngā ngaohiko ā-wāhanga motuhake, kāore i oti te tohatoha kawenga i runga i te whatunga, ā, ka taka, ka momotu rānei ngā ā-wāhanga o te whatunga. Auautanga o te whatunga ki runga/ki raro: Auautanga o te whatunga ki runga/ki raro: Ko te kitea o tēnei uauatanga i roto i tētahi whatunga noa e tohu ana i te hauora ngoikore o te whatunga. Kāore he ngaohiko whatunga? Tirohia ngā raina here whatunga. Tirohia mēnā he hapa ā-wāhanga whatunga, kāore rānei he raina ngaohiko.
10. Te tiaki i te ngaohiko nui DC I te whai i ngā wāhanga ki te whakapai ake i te tukanga tino whai hua, ka whakahoutia tonutia te taumata mana kia piki ake, me te ngaohiko tuwhera-ara iahiko wāhanga me te ngaohiko whakahaere. Me whai whakaaro ki ngā tauwehenga pāmahana i te wāhanga hoahoa hei karo i te ngaohiko nui me te kino kino ki ngā taputapu i ngā pāmahana iti.
E ONO NGĀ AUAHA HANGARAU I TE WHAKAWHAKAHAERE I NGĀ KAITAHU PV
Auaha 1: Kei te tere haere te whanaketanga o ngā taputapu inverter, tae atu ki te SiC, CAN, DSP me ngā momo āhua hou, ā, kua pai ake te whai huatanga. Kua eke te whai huatanga o Haina ki te A+, me te whāinga o te A+++.
Ia Au 2: te mana o te inverter pokapū, te pai o te mahi, me te pikinga o te ngaohiko. Ka whakamahia whānuitia ngā inverter taumata mana teitei ake e 2.5MW nā te mea he tata ki te 0.1 yuan/W te utu iti iho i te 1MW pūrua, ka whakaiti i te whakapaunga tuatahi o te 10 miriona mō te tipu hiko 100MW. Mā te taurite taura ka taurite te ngaronga o ngā wāhanga DC. Ka noho te pūnaha 1500V hei whakahaere i te hanganga tipu hiko nui. Haunga ngā wāhanga, ka penapenahia e ia te 0.2 yuan/W, 20 miriona rānei mō te teihana hiko 100MW.
Auaha 3: Kei te piki haere te kaha o ngā kaitahuri aho me te kaha mō ia waeine. Kei te piki haere tonu te kaha o ngā kaitahuri aho ki te 80kW, te pikinga ake o te kaha o te kaha, me te hekenga o te taumaha mō ngā tono uaua e uaua ai te tāutanga me te tiaki. Ko ngā kaitahuri aho 40kW mai i Sunny Power ngā mea māmā rawa atu i roto i te umanga, 39kg noa iho te taumaha. Kua whakamahia tonutia e Sunny Power te whakamatao hau atamai hei ārai i te pikinga o te pāmahana o roto o ngā wāhanga me te whakapai ake i te kaha taumaha o te kaitahuri i roto i ngā āhuatanga pāmahana teitei.
Auaha 4: He maha atu ngā hua taumata-mōwae Kei te piki haere te rongonui o ngā mōwae pēnei i ngā kaitahuri iti Enphase me ngā kaiwhakapai mana SolarEdge. E matapaetia ana e te kamupene rangahau ahumahi GTM ka piki ake ngā tuku hiko mana taumata-mōwae (MLPE) mai i te 1.1GW i te tau 2013 ki te neke atu i te 5GW i te tau 2017.
Ia 5: Te Whakarerekētanga o te Whatunga me te Tiakitanga Haumaru me te Pono Nui Ko te tiakitanga turuturu, te mahi SVG, te LVRT, te tiakitanga kōwae DC, te tiakitanga kite ārai ārai whakamahana, te tiakitanga PID, te tiakitanga uira, te tiakitanga polarity whakamuri PV pai me te kino, me ētahi atu āhuatanga e whakapai tonu ana ka whakanui ake i te urutaunga o te whatunga me te haumaru pūnaha o ngā inverters.
Ia 6: Te whakapai ake i te urutau taiao o te inverter Nā te nui haere o te whakamahinga o ngā teihana hiko photovoltaic i roto i ngā taiao uaua pēnei i te takutai moana, te koraha, te mania, me ētahi atu, kei te whakapai ake te ātete o te inverter ki te waikura, te ātete ki te onepu, me ētahi atu urutau taiao kia tino pono ai.
I kī a Zhao Wei, mā roto i ngā momo hangarau hou, ka haere tonu te whakamahi i ngā hua hou ki te whakatairanga i te hangarau PV, te whakapai ake i te pai o te pūnaha PR, te whakaiti i te utu huringa ora o te pūnaha hiko (LCOE), ā, i te mutunga ka tutuki te ōritetanga Ipurangi, koinei te pakanga whānui a te katoa. Ka whakarerekētia te hoahoa o te teihana hiko, ka whakapaitia te whakaurunga pūnaha, ā, ka taea e te otinga whakawhiti hiko waenga-ngaohiko whakauru te whakahaere i te pūnaha ki te tino, ka whakaitihia ngā utu, te māmā o te whakamahinga, te pai, me te pono. Kei te piki haere te whanaketanga o te umanga whakawhiti hiko PV, he maha ngā hangarau hou, ngā hua hou, he rerekē tonu, he urutau ki ngā āhuatanga o te rohe, he rau ngā whakataetae; i roto i ngā teihana hiko whenua nui, he iti ake ngā otinga pokapū mō te haumi tuatahi, ko ngā utu whakahaere me te tiaki i muri mai he 1/3 noa iho, he maha ngā hua whakahaere teihana hiko e whakaatu ana ko te whakaputa hiko aho me te pokapū te whiringa pai a te kaiwhakamahi; Kei te tipu haere hoki ngā whakawhiti aho 2/2.5M i roto i ngā tono tohatoha, ā, ko te mana teitei, te pai, me te kiato mana ko ngā huarahi ā muri ake nei. Ka noho ko te Ipurangi PV + te mea nui, ā, ka whai heke mai ngā tono rokiroki pūngao PV +.
