Te Whai Hua o ngā Teihana Utu Pūngao Rā BESS Katoa-i-te-Kotahi

Whakautu Tere

Ka whakauruhia e te teihana utu BESS pūngao-rā katoa-i-te-kotahi te whakaputanga photovoltaic, te rokiroki pākahiko, me te utu EV ki roto i tētahi pūnaha hanga kotahi, ā, ko tōna pai te mārama mai i te tīmatanga ki te mutunga: te hihi o te rā ki ngā wira. Ka tutuki i ngā hoahoa whakauru hou te pai o te pūngao-rā-ki-pūngao DC o te 95–98%, te pai o te haere-hoki-pūngao o te 93–96% me ngā pūtau LFP whakamatao-wai, me te pai o te tuku utu o te 96–98% i runga i te pahi DC — he pai whānui o te pūngao-rā-ki-waka tata ki te 75–85% i runga i te hoahoa hononga. Ko te painga matua o te hōputu whakauru ehara i te rekoata wāhanga kotahi engari ko te whakakorenga o ngā ngaronga tahuritanga, ngā āputa tārite, me ngā mana whakahaere kore hototahi e whakararuraru ana i te PV, te rokiroki, me ngā utu motuhake. Mō ngā kaipupuri whenua e whakataurite ana i ngā hangarau, ko te inenga nui ko te kWh o te pūngao whakahou e tukuna ana ki ngā waka mō ia kW kua tāutahia — ā, ka toa ngā pūnaha whakauru i runga i taua inenga.

Ngā Whakaaro Matua

• Ka hurihia e ngā teihana utu BESS pūngao rā katoa-i-te-kotahi te hihi o te rā ki te pūngao waka i te 75–85% te pai o te whakamahinga, ko te nuinga o ēnei ko ngā mate pākahiko haere-hoki me te inverter.
• Mā te whakakore i te tahuritanga takirua, ka taea e ngā hoahoa hononga-DC te whakaora i te 3–7 ōrau o te pai o te mahi, ki te whakataurite ki ngā hoahoa hononga-AC.
• Mā te whakahaere wera whakauru (te whakamatao wai mō te pākahiko me te hikohiko mana) ka piki ake te whai huatanga pumau me te roa ake o te ora o te waahanga.
• Kotahi te kaiwhakarato, kotahi te pūnaha whakahaere, kotahi te mōkihi tiwhikete: mā te whakaurunga ka whakaitihia te utu hangarau, te tāutanga, me te utu whakatūnga mā te 15–30% e ai ki te whakatau tata ki ngā pūnaha maha-kaihoko.
• Ko te whakahaere pūngao atamai he mea nui ki te whakamahi-ake i te pūngao rā, te tapahi i ngā hoko whatunga hiko, me te whakarite ki ngā ture kore-pūngao o te EU, o Amerika, me Āhia.

He aha te Teihana Utu Pūngao Rā BESS Katoa-i-te-Kotahi?

Whakaarohia he wāhi okiokinga i te huarahi tere i te tonga o Parani. E waru ngā wāhi utu kei raro i te tuanui o te rā. Kei muri i ngā wāhi utu he āputa iti - he rite te rahi ki ngā ipu kaipuke e rua - kei roto ngā kete pākahiko, ngā taputapu huri hiko, me ngā porowhita whakamatao wai. Kotahi te kaihanga i whakarato i te pūnaha katoa, kotahi te kaiwhakahaere e whakarite ana i ia rere hiko, ā, kotahi te tīma tono i tīmata i roto i te wiki kotahi.

Koinei te ariā katoa-i-te-kotahi: te whakaputanga PV, te rokiroki pākahiko, me te utu tere DC e tukuna ana hei hua whaimana kotahi, kaua ki ngā pūnaha iti e toru e honoa ana ki te papaanga. Kua neke haere te mākete ki tēnei huarahi. Kei te piki haere te whakawhāiti a ngā kaiwhakahaere whatunga tohatoha i ngā kaha hononga mō ngā papaanga utu hou, ā, kua kitea e ngā rangatira papaanga ka taea e ngā hoahoa rokiroki-rā-whakauru whakauru te mahi i ngā waka maha atu mō ia kirowati o te hononga whatunga. I taua wā anō, he iti ake te hiranga o ngā rekoata whai hua taumata-wāhanga i ngā ōhanga pūngao taumata-pūnaha - koinei tonu te wāhi e toa ai te whakaurunga.

Te Wāhi e Whiwhi ai te Whai Hua, e Ngaro ai hoki

Ka ngaro te wera i ia huringa pūngao i roto i te mekameka. Mā te mārama ki ngā ngaronga ka mōhio koe ki hea e hiahiatia ai he hangarau pai ake:

E rua ngā māramatanga e puta mai ana i tēnei ripanga. Tuatahi, ko te panera PV tonu te mea nui rawa atu mō te tahua mate - engari he mate ā-tinana, ā, he kore e taea te karo i taua mate i te taumata kōwae. Tuarua, i roto i ngā mate ka taea te whakahaere, ko te hoahoa haere-hoki me te hurihanga o te pākahiko te wāhi e tino hira ai ngā whakataunga hangarau. Ko te pūnaha hono-DC e utu tika ana i te pākahiko mai i te rarangi PV ka tukuna tika ki runga i te pahi DC o te rihi ka karo i ngā hurihanga katoa e rua e mahia ana e te hoahoa hono-AC. Ko aua hurihanga i karohia he 3–7 ōrau o te pai o te mutunga-ki-te-mutunga - mano o te kWh ia tau i runga i te papa pukumahi.

Te Whai Hua o te Haerenga Hoki-Hoki me te Hanganga Hononga

Ko te whakatakotoranga tino hira mō te teihana utu BESS pūngao rā ko te pai o te haere-hoki (RTE) o te pākahiko: ko te wāhanga o te pūngao e tukuna ana ki te pākahiko ka hoki mai. Ko te matū LFP i roto i ngā pūnaha whakamatao-wai hou ka tukuna he 93–96% RTE i te 0.5C ngā tere utu me te tukunga. He rite te hiranga o te pūnaha whakamatao ki te matū: ko ia 10 °C o te pāmahana pūtau e piki ake ana i te taumata tino pai ka whakatere i te tipu ātete ā-roto, ā, ka kai i te RTE.

Hononga-AC vs Hononga-DC vs Hononga-Ranu

Mō ngā hanganga hou me te hoahoa tahi o te pūngao rā me te rokiroki, ko te hononga DC te whiringa tuatahi mō te whai huatanga. Ka whakaitihia hoki te maha o ngā inverter — he iti ake ngā hikohiko mana, he iti ake te wera, he iti ake ngā kawenga āwhina, he nui ake te pono. Ka mau tonu te tūranga o te hononga AC i roto i ngā whakahoutanga ina me whakamahi anō ngā rihi AC o nāianei, engari he tūturu te whiu whai huatanga, ā, me tatau i roto i te take pakihi.

Te Whakapau-ā-Iho: Te Whai Hua e Puta Ana i te Pire

Ko te inenga whai hua tino whai hua mō te teihana utu hiko BESS o te rā ehara i te RTE taiwhanga engari ko te reiti whakapau-ake: ko te wāhanga o te whakaputanga hiko o te rā e whakamahia ana i te papaanga, kaua ki te kaweake. Ko te teihana e 85% te whakapau-ake ka iti ake te hiko whatunga e hokona ana e ia i tētahi e kaweake ana i te poutumarotanga, e kawemai ana i te pō.

Ka tutuki i ngā pūnaha whakahaere pūngao hou (EMS) te whakapaunga-ake teitei me ngā mahi e whā kua whakaritea:

1. Te kaupapa matua tika o te PV-ki-te-waka— ka whakakahangia ngā rihi e te rā i te tuatahi, i te wā tūturu. 2.Pūhiko hei parepare— ka whakakīia te pākahiko e te kaha o te rā, kaua e kaweake. 3Te whakangawari i te kawemai o te whatunga— ka taupokina e te pākahiko te āputa ina heke te hiko o te rā ki raro iho i te tono utu, ka pupuri i te kukume whatunga ki te taumata iti, pumau. 4.Te mōhiotanga ki te wā whakamahi— ka tukuna te kaha pākahiko nui rawa i te wā e piki ana te utu, ehara i te mea hei tukunga.

E ai ki ngā kaiwhakahaere, mā te whakahaere EMS whakauru ka piki ake te whakapaunga-ā-koe mā te 15–25 ōrau ki te whakataurite ki ngā pūnaha wāhanga-motuhake, nā te mea ka kite te kaiwhakahaere i te putanga PV, te SOC pākahiko, me te tono rihi i te wā kotahi.

Capex me Opex: Ngā Mea e Tiakina ana e te Whakaurunga

He maha ngā wā ka iti haere te aro ki ngā penapena whakaurunga nā te mea kua horapa puta noa i te hoko, te tāutanga, me ngā mahi - koia te take me whakatauira ngā kaiwhakahaere e aromatawai ana i [ngā hoahoa teihana utu BESS pūngao rā whakauru](https://www.midapower.com/) i te utu tāutanga katoa, kaua i ngā utu wāhanga:

He rite tonu te tauira: ka whakakorea e te whakaurunga te hangarau tāruarua, ngā taputapu whakawhiti koretake, me ngā atanga e utu ana ki te hoahoa, ki te tāuta, me te tiaki. I runga i te papa 1 MW, ko ngā penapena utu tuatahi kua tuhia o te 15–30% he mea noa, ā, he penapena ā-tau mō te O&M puta noa i te 15–20 tau o te oranga o te pūnaha.

He Kōtaha Whakahaere o te Ao Tūturu

Whakaarohia tētahi teihana utu BESS pūngao rā e whakamahi ana i ngā utu DC 6 × 180 kW i tētahi plaza ratonga huarahi i Pāniora:

• Ārai rā400 kWp, e whakaputa ana i te ~600 MWh/tau.
• BESS600 kWh LFP whakamatao-wai, te roanga hoahoa 10,000-huringa.
• Hononga whatunga250 kVA — tata ki te 40% o te mea e hiahiatia ana e ngā rihi 180 kW e ono me te kore he wāhi rokiroki.
• Kōtaha o ia rā: ngā tihi o te kaha o te rā i te 300 kW i te 2:00 pm; ngā tihi o te hiahia utu i te 500 kW i te 19:00 pm. Ka utu te pākahiko mai i te toenga o te kaha o te rā i te ahiahi, ā, ka tautoko i te tihi o te ahiahi, engari kāore te kaha kume whatunga e neke ake i te 180 kW.

Mō te tau kotahi, ka tukuna e tēnei kōtaha te 1,100 MWh o te pūngao utu, ā, tata ki te 45% o ēnei e ahu mai ana i te pūnaha rokiroki-rā, ā, ko te toenga mai i te whatunga hiko i ngā tere kore-pīki. Ko te utu pūngao whai hua a te kaiwhakahaere mō ia kWh e tukuna ana he 30–50% i raro iho i te pae tohutoro whatunga-anake, i mua i te tatau i ngā penapena utu tono.

Ngā Paerewa, te Haumaru, me te Roa o te Ora

E toru ngā hangarau whakahaere e whakakotahihia ana e tētahi pūnaha katoa-i-te-kotahi ki roto i te kotahi āputa, nō reira he mea nui te whānuitanga o te tiwhikete:

• Haumaru rokirokiUL 9540A / IEC 62933 whakamātautau ahi me te wera, me te whakamatao wai hei arai wera matua.
• Atanga utuIEC 61851, ISO 15118 (Mono me te Utu), me te OCPP 2.0.1 mō te whakaurunga whatunga.
• Te pūngao rā me te hikoIEC 61215 mō ngā kōwae, IEC 62109 mō te haumaru o te inverter.
• Waehere whatunga: ngā whakaritenga hononga ā-rohe mō ngā aratau whakahaere kaweake-here me te kore-kaweake.

Ka mau tonu te pāmahana ōrite o ngā pūtau-ki-pūtau i roto i te ±2 °C e ngā kete pākahiko wai-whakamatao, koinei te mea nui ki te roanga o te hoahoa 10,000-huringa me te RTE ōrite i ia tau. He rerekē, ko ngā kete hau-whakamatao, ka kite i ngā pikinga 5–8 °C puta noa i te kete, ka tere ake te koroheketanga o ngā pūtau tino wera, ka heke iho hoki te pai o te pūnaha i roto i te wā.

Whakamutunga

Ko te whai huatanga o tētahi teihana utu BESS pūngao-rā katoa-i-te-kotahi he āhuatanga pūnaha, ehara i te whakatakotoranga wāhanga. Ko te hononga DC, te rokiroki LFP matao-wai, me te mana whakahaere EMS kotahi ka honoa hei whakarato i te 75–85% o te whai huatanga o te rā-ki-te-waka, ngā reiti whakapau-ake i runga ake i te 80%, me ngā penapena utu tuatahi o te 15–30% ki te whakataurite ki ngā hanganga maha-kaihoko. Mō ngā kaiwhakahaere huarahi, ngā waka, me ngā rangatira whenua arumoni e arotake ana i te utu pūngao-rā i runga i te papaanga, ko te whakatakotoranga whakauru te whakautu hangarau ka taea te tiaki: he iti ake ngā huringa, he iti ake ngā atanga, he iti ake ngā aratau rahunga, me te take pakihi pai ake. Tirohia ngā [whiringa pūnaha utu BESS pūngao-rā](https://www.midapower.com/) me [ngā mana whakahaere pūngao whakauru](https://www.midapower.com/) mō te whakatauira mahi motuhake ki te papaanga.

Ngā Pātai Auau

1. He aha te whai huatanga o tētahi teihana utu hiko BESS pūngao rā?Ko te whai huatanga o te whitinga o te rā mai i te pito ki te pito o te waka he 75–85%. Ko te ngaronga nui rawa atu e kore e taea te karo ko te huringa kōwae PV; ka whakaitihia ngā ngaronga ka taea te whakahaere mā te hononga DC me te rokiroki LFP whakamatao-wai.

2. He aha te whai huatanga o te haere-hoki i roto i te BESS?Ko te whai huatanga o te haere-hoki ko te ōrau o te pūngao e rongoa ana i roto i te pākahiko ka whakahokia mai i te tukunga. Ka tutuki i ngā pūnaha LFP whakamatao-wai hou te 93–96% RTE i ngā reiti 0.5C noa.

3. Hononga-DC, hononga-AC rānei: ko tēhea te mea whai hua ake?E 3–7 ōrau te pai ake o te hononga hiko DC mai i te pito ki te pito nā te mea ka hurihia te pūngao kotahi te wā, kaua e rua, e toru rānei ngā wā. Ka whai hua tonu te hononga hiko AC mō ngā whakahoutanga o ngā rihi hiko AC o nāianei anake.

4. E hia te kaha o te rā e hiahiatia ana mō tētahi teihana katoa-i-te-kotahi?Ko te ture whānui ko te 0.5–0.8 kWp o te PV mō ia kW o te kaha utu, me te rahi o te pākahiko ki te 1–1.5 kWh mō ia kW o te kaha utu — kua whakatikatikaina mō te hihi ā-rohe, ngā kōtaha wātū, me ngā taupoki whatunga.

5. Me whai hononga whatunga tonu te teihana katoa-i-te-kotahi?Ae, i roto i te nuinga o ngā āhuatanga. Ka taea e te pūngao rā me te rokiroki te kapi i te nuinga o te hiahia, engari ka whakaratohia e te whatunga hiko te tuku taketake, te kapinga hotoke me te pō, me te tutuki i ngā ture (hei tauira, te mahi kaweake kore).

6. Kia pēhea te roa o te ora o ngā panera me ngā pākahiko o te rā i roto i tēnei tono?He 25–30 tau te roa o te whakamana mahi a ngā kōwae PV; kua hangaia ngā pākahiko LFP whakamatao-wai mō ngā huringa 8,000–10,000 (12–20 tau te utu), hei whakataurite ki te 4,000–6,000 huringa mō ngā kete whakamatao-hau noa.

7. He aha ngā tiwhikete e tika ana kia mau i tētahi pūnaha katoa-i-te-kotahi?UL 9540A/IEC 62933 (haumarutanga rokiroki), IEC 61851 me te ISO 15118 (utu), IEC 61215/IEC 62109 (PV me te inverter), me te tutuki i ngā ture waehere whatunga ā-rohe — he pai ake te tuku hei kete tiwhikete kotahi mai i te kaiwhakarato kotahi.