| 1. | Hitherto , fault locating and clearance was always costly and time consuming 至今,故障定位以及清除还是相当昂贵而且耗费时间的。 |
| 2. | To put forward a new scheme of fault locating with high accuracy and high reliability 提出了准确、可靠的输电线路故障测距技术实现方案。 |
| 3. | The research results show that the schemes of new type fault locating equipment is very important for safety and economical operation of power system 研究结果表明:论文所提出的新型故障测距装置方案对于电力系统的安全经济运行是十分重要的 |
| 4. | The paper studied the following aspects : recording fault waveforms and other fault information entirely ; performing reliable and accurate fault locating . 1 论文围绕新型故障测距装置的研制和开发,系统地展开了全面录取故障信息,精确、可靠的故障测距技术研究工作。 |
| 5. | Zijingguan fault zone is the main structure in taihang mountains that are located in the central part of 20 ~ 30 ne - striking daxing ' anling - taihan - wuling tectonic belt . it is composed of two diagonalized faults that are wulonggou - shanghuangqi fault located in the west and zijingguan - lishan fault in the east 紫荆关断裂带是大兴安岭?太行山?武陵山构造带中段太行山地区的主体构造,总体走向20 30 ,由西侧的乌龙沟?上黄旗断裂和东侧的紫荆关?灵山断裂左阶斜列组成。 |
| 6. | Fourth , the experiment of cantilevering beam and the digital calculation reveal that frequency is easy to get and can reflect the state of the cantilevering beam . under certain conditions , the feature parameter can be used to determine whether the cantilevering beam has fault , where the fault locates and the extent of impairment ( 4 )悬臂梁试验及数值计算表明,频率易于提取,且反映了悬臂梁的状态,以其为特征参数,结合bp人工神经网络,在特定条件下,可以诊断悬臂梁是否有故障,故障的位置和损伤程度。 |
| 7. | The feeder net model for distribution automation is built based on the nod information matrix and the line information matrix , and the nods represent the switches and the fault indicator in the distribution net . the method of fault locating offered by this paper called line fault probability method , which locates fault by calculating the fault probability of line in the net . this paper also provides a method called volts d . c . for restoration and offers the regulation of restoration 采用节点、支路信息矩阵来描述配电网络,形成面向故障自动化处理的网络数据结构;提出了基于支路故障概率的故障定位算法,并结合短路电流特性判据法来定位故障支路;在定义直流等值网的基础上,提出了优化供电恢复的直流电压降法;开发了配电网故障自动处理软件系统,并用于实际配电自动化工程中。 |
| 8. | The contents are using fault locating algorithm based on measurement impedance to determine a fault zone of transmission line , then use wavelet transform fault locating algorithm based on current traveling wave to fix the fault position . in order to ensure both results are valid , gps is used to synchronize their hardware . 2 其主要内容是:利用所记录的工频故障信息和阻抗法粗略计算故障位置,再利用所记录的暂态行波电流精确定位故障点,二者通过gps时间同步单元进行时间同步,从根本上解决输电线路故障测距问题。 |