1) single-phase-line-open fault
单相断线故障
1.
After analysis,there is great change of positive-current component when the small current grounding power systems happen single-phase-line-open fault.
随着配电网自动化水平的提高,单相断线故障选线和定位日渐成为人们关注和研究的焦点,对其故障特征的研究也日益紧迫。
2) open-phase failure
断相故障
1.
A novel remedial approach of switching function for the fault-tolerant control is presented to reduce open-phase failures occurring in AC-AC matrix converters and to improve the reliability of AC-AC converter.
通过较详细的数学分析断相故障发生后,用合适的输入电压序列的对称与非对称模式矩阵的构建合成新的开关函数矩阵,进一步合成故障情况下所需的输出波形,使矩阵变换器在缺相时依然能继续运行。
3) Break line fault
断线故障
1.
The protective relays and metering instruments shall not operate in normal and effect the operation of substation in surety as the break line fault in the secondary side of TV and TA has happened frequently.
牵引变电所电压、电流互感器时常发生断线故障 ,直接影响继电保护的正确动作和测量表计的正常指示 ,危及牵引供电系统的安全运行。
4) single phase earth fault
单相故障
1.
The zero-sequence model of single phase earth fault is made on the basis of distributed parameter lines.
建立了基于线路分布参数的单相故障零序等效模型,通过分析故障/非故障线路的暂态零序电流,得到了它们的内在特性:在低频段内,故障线路零序暂态电流幅值大于非故障线路的,并且随着故障距离的增加而幅值呈一定规律减小。
补充资料：单相
在交流电力线路中具有的单一交流电动势。对外供电时一般有两个接头。在日常生活中广泛使用单相供电方式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条