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6月29日(ri)，世界首個具有網(wang)絡特性的(de)柔性直流(liu)電網(wang)工(gong)(gong)程(cheng)，張(zhang)北柔性直流(liu)電網(wang)試驗示范(fan)工(gong)(gong)程(cheng)投(tou)運，張(zhang)北地區的(de)新能源成功(gong)接(jie)入北京電網(wang)、送至(zhi)2022年北京冬奧場館。

張北(bei)(bei)柔直(zhi)工(gong)(gong)(gong)(gong)(gong)程(cheng)是(shi)(shi)世(shi)界上電(dian)壓(ya)等級最高、輸送容量最大的(de)(de)柔性直(zhi)流(liu)工(gong)(gong)(gong)(gong)(gong)程(cheng)，也是(shi)(shi)國家電(dian)網有(you)限公司(si)深(shen)入貫徹黨中央、國務院(yuan)決策部署、服務能(neng)源清潔(jie)低碳發展的(de)(de)重大工(gong)(gong)(gong)(gong)(gong)程(cheng)。工(gong)(gong)(gong)(gong)(gong)程(cheng)額定電(dian)壓(ya)±500千(qian)伏，線路全(quan)長666千(qian)米，新建(jian)張北(bei)(bei)、康保(bao)、豐寧和北(bei)(bei)京四(si)座換(huan)流(liu)站(zhan)，總換(huan)流(liu)容量900萬千(qian)瓦。此項工(gong)(gong)(gong)(gong)(gong)程(cheng)也是(shi)(shi)國網冀北(bei)(bei)電(dian)力(li)有(you)限公司(si)服務綠色冬奧(ao)的(de)(de)“涉(she)奧(ao)六大工(gong)(gong)(gong)(gong)(gong)程(cheng)”之一(yi)。該工(gong)(gong)(gong)(gong)(gong)程(cheng)于2017年12月獲得核準，2018年2月開工(gong)(gong)(gong)(gong)(gong)建(jian)設。