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国内最大规模5G智能电网建成

2020-08-13

近(jin)日,山(shan)东(dong)青(qing)岛(dao)供(gong)电(dian)(dian)公司与中国电(dian)(dian)信青(qing)岛(dao)分公司、华(hua)为(wei)技(ji)术有限(xian)公司联合打造的5G智(zhi)能(neng)电(dian)(dian)网项目(mu)建设完工。这是当(dang)前(qian)(qian)国内(nei)规模最大的5G智(zhi)能(neng)电(dian)(dian)网。截至目(mu)前(qian)(qian),合作(zuo)三方在青(qing)岛(dao)西海(hai)岸古镇口、崂山(shan)金家岭、奥帆(fan)中心等(deng)地已(yi)部署30余个(ge)5G基站,有效提升了供(gong)电(dian)(dian)服务质(zhi)量、电(dian)(dian)网运(yun)检效率及共建共享水平。

7月10日,青(qing)岛(dao)古镇口35千伏顾家变电站(zhan),最新(xin)式的5G削峰填(tian)谷基站(zhan)投(tou)入运行,开始为本地5G设备提供(gong)廉价稳(wen)定的电力(li)供(gong)应(ying),这是国网(wang)青(qing)岛(dao)供(gong)电公(gong)司与(yu)中国电信青(qing)岛(dao)分公(gong)司共建双赢(ying)的又一个里程碑。

  近年来,国网(wang)(wang)山(shan)东省电(dian)(dian)(dian)(dian)力(li)公司在(zai)5G智慧电(dian)(dian)(dian)(dian)网(wang)(wang)方面积极开展研究探(tan)索,重点打造了青岛(dao)5G智能(neng)(neng)电(dian)(dian)(dian)(dian)网(wang)(wang)示范区。截至目前(qian),国网(wang)(wang)青岛(dao)供(gong)电(dian)(dian)(dian)(dian)公司与(yu)中国电(dian)(dian)(dian)(dian)信青岛(dao)公司、华为公司三方在(zai)青岛(dao)西海(hai)岸(an)古镇口、崂(lao)山(shan)金家岭、奥帆中心等地已部署30余个5G基站(zhan),借助5G技术赋能(neng)(neng)传统电(dian)(dian)(dian)(dian)网(wang)(wang)转型升(sheng)级,有(you)效(xiao)支撑5G智慧电(dian)(dian)(dian)(dian)网(wang)(wang)应(ying)用。在(zai)提升(sheng)供(gong)电(dian)(dian)(dian)(dian)服(fu)务质(zhi)量,提升(sheng)电(dian)(dian)(dian)(dian)网(wang)(wang)运检效(xiao)率以及共(gong)(gong)建(jian)共(gong)(gong)享(xiang)方面已经取(qu)得了良(liang)好的效(xiao)果(guo)。

  5G基(ji)(ji)站(zhan)(zhan)功(gong)耗比4G高,而且覆盖范围只有(you)4G基(ji)(ji)站(zhan)(zhan)的(de)(de)三(san)分之一。如果要让信号(hao)覆盖同(tong)样区(qu)域(yu),不仅(jin)5G的(de)(de)基(ji)(ji)站(zhan)(zhan)密度(du)要高于4G,网(wang)络耗电量也(ye)是4G的(de)(de)好(hao)几倍。所以,如何为5G基(ji)(ji)站(zhan)(zhan)省电也(ye)是5G智能电网(wang)的(de)(de)一个重要研究专题。

  削(xue)峰填谷(gu)电源(yuan)(yuan)通过在用(yong)电低谷(gu)时段储存(cun)(cun)能(neng)源(yuan)(yuan),在高(gao)峰时段使(shi)用(yong)储存(cun)(cun)的能(neng)源(yuan)(yuan)为(wei)5G基站(zhan)供电,据测算单(dan)基站(zhan)将节省用(yong)电费用(yong)20%,这种5G基站(zhan)电力供应智能(neng)削(xue)峰填谷(gu)方案每年仅一个(ge)基站(zhan)就(jiu)可(ke)(ke)以节省电费1.38万元(yuan)。青岛地(di)区三大电信运营商(shang)预计将建设1.4万个(ge)5G基站(zhan),如果(guo)将来可(ke)(ke)以大规(gui)模推广,将产生(sheng)巨大的经(jing)济效益和(he)社(she)会(hui)效益。

5G助力线路故障“零感知”

  7月13日(ri),在青岛(dao)市西(xi)海岸古镇口(kou)三沙路上,2座崭新的(de)(de)10千(qian)伏配(pei)电(dian)(dian)柜刚刚投入运行(xing)。青岛(dao)供(gong)(gong)电(dian)(dian)公司(si)运检部(bu)专责张陶在核对设备(bei)信号:“这些设备(bei)都配(pei)置了(le)5G配(pei)网线路差动保护,可以实现电(dian)(dian)网对配(pei)电(dian)(dian)线路上发生的(de)(de)故障(zhang)(zhang)在几十(shi)毫秒内自(zi)动切除。不在故障(zhang)(zhang)区域的(de)(de)用(yong)户(hu)甚至感受不到(dao)故障(zhang)(zhang)的(de)(de)存(cun)在。相比于以往(wang)一有故障(zhang)(zhang)就全线停电(dian)(dian)的(de)(de)情(qing)况,供(gong)(gong)电(dian)(dian)服(fu)务水(shui)平有了(le)巨大提升。”

没有(you)合(he)适的(de)通(tong)信手段一直是阻碍实(shi)现配网(wang)差动(dong)保(bao)护(hu)的(de)难(nan)题,国网(wang)青岛供电公(gong)司近年来大(da)(da)力发(fa)(fa)展5G通(tong)信技术应用(yong)创新,联(lian)合(he)电信、华为以及(ji)山东大(da)(da)学共同研发(fa)(fa)了(le)适用(yong)于5G的(de)配网(wang)线路差动(dong)保(bao)护(hu)装置(zhi)、部署5G切片网(wang)络及(ji)边缘计算设(she)备,经(jing)过实(shi)验室验证(zheng)、外场(chang)实(shi)验、现网(wang)实(shi)测等(deng)阶段不断(duan)完善,保(bao)护(hu)设(she)备间单向通(tong)信时(shi)延降低至(zhi)8毫秒,保(bao)护(hu)动(dong)作时(shi)间达到50毫秒以内,实(shi)现了(le)配网(wang)保(bao)护(hu)领域的(de)重大(da)(da)突破。

  作为新一(yi)代移动通信技术,5G不仅在带宽(kuan)上实现(xian)大提升,同时(shi)具备“超低时(shi)延(yan)”和(he)“海(hai)量连接(jie)”等(deng)(deng)特性,能够满(man)足(zu)视频巡检、配网(wang)(wang)(wang)自(zi)(zi)动化(hua)、自(zi)(zi)动抄表等(deng)(deng)智能电(dian)网(wang)(wang)(wang)各种业务场景下对于大带宽(kuan)、低时(shi)延(yan)和(he)广连接(jie)的(de)要(yao)求。而5G与边缘计(ji)算、网(wang)(wang)(wang)络切片等(deng)(deng)技术的(de)结合,更为有(you)高度(du)数据安全要(yao)求的(de)电(dian)网(wang)(wang)(wang)提供了一(yi)张安全隔离的(de)专用网(wang)(wang)(wang)络,必(bi)将成为能源互(hu)联网(wang)(wang)(wang)建(jian)设过程中的(de)重要(yao)动力。


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