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- Keywords: wavalet analysis, BP nervous network, small electric current ground systems, fault location,single phase to earth. 关键词：小波变换；BP神经网络；小电流接地系统；故障定位；单相接地
- FU Zhou-xing, WAN Geng.Methods of Fault Line Selection for Single Phase to Earth Fault in Networks with Ungrounded Neutral[J].Low Voltage Apparatus,2002,(3):43-47. [2]傅周兴;万耕.;小电流接地系统单相接地故障选线方法[J]
- single phase to earth 单相接地
- single phase to earth fault 单相接地故障
- A new approach to single phase to ground fault section location based on transient signals in a non-solidly earthed network is presented. 提出一种适用于配电系统架空线路的小电流接地故障区段定位新方法。
- When phase to earth fault occurs on a neutral non-direct grounded power system, it is necessary to select the faulted circuit quickly,but so far this has not been done very well. 中性点非有效接地配电网发生单相接地故障时，尽快选出故障线路对电网运行有重要意义，但选线问题迄今尚未能很好解决。
- The single earth-fault in three phase network earthed neutral is called as single phase short circuit, and that in three phase network insulated to earth is called as leakage fault. 同样是三相电网的“单相接地”，发生于中性点直接接地系统称“单相短路”故障，而发生于中性点绝缘系统叫“接地漏电”故障。
- Exploiting focus peculiarity of wavelet with excellent time frequency zoom character, this paper proposes a new method for identifying the fault line when there occurs a single phase to ground fault in a distribution system. 应用小波变换在时频特性上的良好聚焦性能,提出一种用于小电流接地系统中的接地故障实时选线的新方法。
- That bad failure brought them down to earth with a bump. 那次惨重的失败才使他们猛然知道天高地厚。
- The balloon burst and fell to earth. 气球破裂而落到地上。
- To ensure that a single phase commit is performed. 以确保执行单阶段提交。
- Her mother's voice brought her back to earth. 母亲的声音使她从幻想中清醒过来。
- The police eventually ran him to earth in Paris. 警察穷追不舍，终於在巴黎找到了他。
- The parachutist floated gently down to earth. 跳伞者轻飘飘地降落到地上。
- single phase to ground via resistance 单相经电阻接地
- Mission control ordered the spacecraft to return to earth. 指挥部命令宇宙飞船返回地球。
- The damaged aircraft plummeted down to earth. 损坏的飞机垂直坠落于地上。
- Have you found your compilation phase to be slow? 您是否曾发现您的编译阶段很慢?
- When his money ran out, he came down to earth (with a bump). 他把钱用光时，才(赫然)如梦初醒。
- Omental membrane phase to identify the tumor. 膜大网膜的肿瘤相鉴别。
