文章來(lai)源:中(zhong)國南(nan)方電(dian)網有限責任公司 發布時(shi)間:2016-06-25
6月20日(ri),國內首個(ge)建于灘涂的500千伏電網(wang)工(gong)(gong)程——南方電網(wang)東海(hai)島輸變電工(gong)(gong)程順利投產送電,將滿足寶鋼湛(zhan)(zhan)江鋼鐵基(ji)地、中科煉化等湛(zhan)(zhan)江兩個(ge)超千億重大項目及配套下游產業(ye)用電需求,并為(wei)廣東省粵東西北(bei)產業(ye)集群發展提供(gong)有力保(bao)障。
該輸變電(dian)工程(cheng)(cheng)位于中(zhong)國第(di)五大島——湛江東(dong)海(hai)島,是國內途經最長(chang)灘(tan)涂段、廣東(dong)省首個(ge)海(hai)島上(shang)的(de)500千(qian)(qian)伏(fu)輸變電(dian)工程(cheng)(cheng)。其中(zhong)500千(qian)(qian)伏(fu)東(dong)海(hai)島變電(dian)站主變容量達150萬(wan)千(qian)(qian)伏(fu)安,為提高(gao)抵御(yu)臺風(feng)的(de)能力,變電(dian)站采用全聯(lian)合鋼架(jia)構,最大設(she)計風(feng)速39米/秒,防風(feng)標準(zhun)為廣東(dong)最高(gao),可抵御(yu)13級強臺風(feng)。
該工(gong)(gong)程(cheng)輸(shu)電(dian)線路(lu)全長38公(gong)(gong)里(li),其中(zhong)9公(gong)(gong)里(li)途經灘涂地段(duan),為避免破(po)壞中(zhong)國(guo)現(xian)存面(mian)積最大的一片紅樹林(lin),公(gong)(gong)司在工(gong)(gong)程(cheng)建(jian)設中(zhong)引入海洋評估,工(gong)(gong)程(cheng)選擇架線跨越(yue)1200多(duo)米寬的大門涵水(shui)道,避開了紅樹林(lin)核心保護區。在變(bian)電(dian)站施工(gong)(gong)建(jian)設及運行落實了生態恢(hui)復和(he)水(shui)土保持措施,盡可(ke)能減少對環境的影響。工(gong)(gong)程(cheng)建(jian)設歷時(shi)19個月(yue),近700名(ming)工(gong)(gong)程(cheng)人員克服(fu)了高(gao)溫曝曬、灘涂地質松軟、材料運輸(shu)和(he)潮(chao)汐影響等(deng)多(duo)重困難,搶在今年“臺風季”來臨之前,實現(xian)工(gong)(gong)程(cheng)投產送(song)電(dian)。