[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhc6CAbYv4kjX1OeIq_tJ4g0bNmyyiaN-ofckCrT0ZoA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-06-25 15:24:11",81894278,[8,9,10,11],"选择性","速动性","灵敏性","可靠性",{"courseId":13,"courseImg":14,"courseName":15},"1890b60e69cb8873de02f136f477bbd6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","继电保护原理","距离Ⅲ段整定方式是:按躲过线路正常运行时的最小负荷阻抗整定,或与下一级线路距离Ⅱ、Ⅲ段配合,在( )满足要求的条件下取其小者",[18,29,34,39,48,53,62,71,80,83],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],81894270,[22,23,24,25],"误动","拒动","速动性受影响","可靠性受影响","继电保护灵敏度过低时,则在最不利于保护动作的运行方式下,保护( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],81894271,[8,9,10,11],"电流继电器返回系数是指返回电流和动作电流的比值.为保证保护较高的动作( ),要求有较高的返回系数",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":27,"type":28},[],81894272,[8,9,10,11],"限时电流速断保护与下一级线路电流速断保护在定值上和时限上均要配合,若( )不满足要求,则要与下一级线路限时电流速断保护配合",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":27,"type":28},[],81894273,[43,44,45,46],"100%","2\u002F3","1\u002F3","0","在中性点非直接接地电网中的并联线路上发生异地两点接地短路时,两相星接线电流保护只切除一个故障点的几率为( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":52,"source":27,"type":28},[],81894274,[43,44,45,46],"在中性点非直接接地电网中的串联线路上发生异地两点接地短路时,三相完全星形接线电流保护只切除远离电源故障点的几率为( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":27,"type":28},[],81894275,[57,58,59,60],"UAC","2UA","UBA","UAB","按900接线的功率方向继电器,若IJ=-IC,则UJ应为( )时才能正确工作",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":27,"type":28},[],81894276,[66,67,68,69],"线路","背侧","相邻变压器","相邻线路","大电流接地系统单相接地短路时保护安装处的零序电流、电压之间的相位差由其( ) 的零序阻抗角决定,与故障点位置无关",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":27,"type":28},[],81894277,[75,76,77,78],"jlm >jd","jlm <jd","jlm =jd","jlm =2jd","为减小过渡电阻对圆特性方向阻抗继电器的影响,应考虑( )<jd为短路阻抗角,jlm为最大灵敏角>",{"answer":81,"createTime":5,"id":6,"options":82,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],81894279,[87,88,89,90],"模拟阻抗的大小","模拟阻抗的阻抗角","DKB的二次负载","DKB二次输出电压的大小","用电抗变换器DKB模拟阻抗时,在电抗变换器的二次绕组接入可调电阻,改变可调电阻的大小主要用于调整( )"]