Based on principles of radar , there brings up a general scheme of fault diagnosis system and detailed description to fault module division , fault location and setup of fault tree 在介绍雷达原理的基础上,提出了故障诊断系统的总体方案,对故障块的划分,检测点的确定,故障树的建立等进行了详细说明。
Secondly the present fault location on hv transmission network has been commented on . tree fault location methods based on the power frequency fault data of two - terminal are proposed 本文其次对现有高压输电线路故障定位方法进行了综合评述,在此基础上提出了三种基于双端数据的工频故障测距算法。
Tmn implements the management and control functions by using a workstation , include fault analysis , fault location and the performance analysis of the whole network 电信网络管理系统是通过一个网管工作站实现对互连的电信网络实施各种管理和控制,包括全网故障分析和故障定位、全网性能综合分析等功能。
But owing to the short development history of faults location techniques and the limits of related techniques , fault location devices with high precision are not widely used in practice 但由于故障测距技术本身发展的历史并不长和相关技术条件的限制,具有较高精度的故障测距装置在实际中的应用并不多。
Considering effect of robustness of algorithms , two new algorithms for two - terminal fault location with a form of fraction are brought forward , which avoid the data synchronization between the two terminals 在对其鲁棒性分析的启示下,提出了2种不需要双端(或多端)数据同步的分式型工频双端测距新算法。
Considering the characteristics of shunt reactors , this paper proposes an accurate fault location algorithm based on differential sequence component network , which only uses the currents at two terminals of a transmission line 采用基于反序网的双端量算法进行故障测距,并根据并联电抗器的特点消除其影响。
Some protective algorithms are discussed in this paper . most of device for fault location use single algorithm in both record star - up and the extraction of fundamental frequency component in location 分析了现有的一些保护滤波算法,改进了现有故障录波和测距装置的故障录波启动和测距基波提取采用单一算法的方法。
Aiming at the effects of distributed capacitance on accurate fault location , a new method based on the distributed parameter model , where the two - terminal data of the transmission lines are utilized , is proposed 摘要基于线路的分布参数模型,并且利用线路两端工频电气量和相模变换,提出了在模域中进行故障测距的算法。