環(huán)球新動態(tài):山西首個“光儲微網(wǎng)”建成投運(yùn)
【資料圖】
近日,山西首個光儲一體公用型微電網(wǎng)在晉城陵川縣馬圪當(dāng)鄉(xiāng)嶺西村建成投運(yùn)。相較于常規(guī)農(nóng)村配電網(wǎng)工程,微電網(wǎng)具有建設(shè)投資小、運(yùn)維壓力低、生態(tài)效益高等優(yōu)勢,可有效破解大電網(wǎng)難以延伸的偏遠(yuǎn)山村用電難題。
據(jù)介紹,獨(dú)立的光儲一體微網(wǎng)供電單元建成后,村民平時優(yōu)先使用光伏供電,多余電能為儲能電池充電。當(dāng)光伏出力小于用戶負(fù)荷時,電池自動投入,實(shí)現(xiàn)運(yùn)行方式無縫切換,確保微電網(wǎng)穩(wěn)定運(yùn)行。作為“微電網(wǎng)”試點(diǎn)村,嶺西村每戶居民每日用電量在2度左右,光儲系統(tǒng)完全可以滿足日常負(fù)荷。
按照規(guī)劃,到2024年6月,晉城供電公司將建成覆蓋126個自然村392戶居民的光儲一體公用型微電網(wǎng),屆時陵川東部地區(qū)供電可靠能力將大幅提升,有望實(shí)現(xiàn)“不停電村”目標(biāo)。據(jù)初步測算,相較于常規(guī)供電工程,采用微電網(wǎng)供電可節(jié)省投資4000余萬元。
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