The statistics of electric power company show that more than 80% letting off customer is leaded by distribution network fault.
电力部门的统计资料表明,约80%以上的用户停电是由于配电网的故障造成的。
The statistics of electric power company show that more than 80% letting off of customer is leaded by distribution network fault.
电力部门的统计资料表明,约80%以上的用户停电是由于配电网故障造成的。
The distribution network fault location method based on over-heated arc is analyzed in various aspects, and its deficiencies are reviewed.
对基于过热弧搜索的配电网故障定位方法进行了多方面分析,讨论了其不足之处。
This paper does research in distribution network fault section location based on the characteristics of distribution automatic technologies of our country.
本论文根据我国配电网自动化技术的特点,对如何确定配电网馈线故障区域进行了研究。
For traditional distribution network fault restoration algorithm, it is difficult to consider both the quickness of restoration process and optimization of restoration strategy simultaneously.
传统的配电网故障恢复算法难于同时兼顾恢复过程的快速性和恢复策略的最优化。
A novel fault identification algorithm based on smooth pseudo Wigner-Ville distribution (WVD) is proposed, which focused on the time-frequency analysis of network traffic.
通过研究网络流量的时频分析,提出了一种新的基于平滑魏格纳分布(WVD)的故障识别算法。
A directional tree model based on switches is proposed for fault section locating in distribution network by using system Structure and operation status.
针对配电网故障区间定位的问题,利用配电网的结构和运行状态,提出一种基于开关有向树型网络描述模型。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
This article presents a searching tree based algorithm of fault location, isolation and restoration of distribution system on the basis of distribution network characteristics.
针对配电网络结构特点,提出了一种基于树形搜索的配电网故障区域检测、隔离及恢复算法。
Based on algebraic graph theory, an intergrated project of distribution network to identify the distribution network structure, fault locating and reconfigure it.
根据电工图论原理,提出了整套配电网结构辨识,故障定位隔离以及故障后重构的方案。
By the RS485 network, the host can realize many characters, such as the remote control of intelligent units of LV distribution and the modification of parameters and the display of fault.
通过RS485通讯网络,主机可以对多个低压配电智能单元进行远程控制、参数修改,有故障显示等功能。
This article realizes the short circuit current calculation, power flow calculation, fault isolation's simulation and reconfiguration of the distribution network based on the VDNAP.
本文以VDNAP为基础实现了配网潮流及短路电流计算、配网故障隔离模拟及配网重构。
A quite equivalent decoupling method based on branch node for fault location in distribution network is presented.
提出了一种按分支节点完全等效解耦的配电网故障定位新方法。
A new method for fault location in distribution network is presented by using the fault complain call information from different positions and the rough set theory.
运用粗糙集理论研究并提出了利用故障投诉电话信息实现配电网故障定位的新方法。
Based on probability analysis, a new method of fault detection and location in distribution network grounding with high resistance is proposed in this paper.
针对配电网系统的单相高阻接地故障,提出了一种基于概率分析的故障检测与定位方法。
On this basis, an over-heated region searching based new fault location method for complex multi-source distribution network is proposed.
在此基础上提出基于过热区域搜索的多电源复杂配电网故障定位新方法。
The fault section judgement matrix of power distribution network in fault is presented.
论述了一种馈线网络故障时的故障区段判断矩阵。
The paper investigates applications of neural network and wavelet transform in power system, which provides necessary and reliable base of applications of fault location in distribution system.
本文对神经网络和小波分析在电力系统中的应用进行了研究。为其在配电故障测距中的应用提供了必要的和可靠的研究基础。
Line grounding fault is the most frequency failure for distribution network, and is also the major problem that distribution network operation is faced with.
线路接地故障是配电网最频发的故障,也是配网运行面临的主要问题。
An optimized algorithm for fault location at the terminal of a feeder line is proposed, which is also suitable for fault location in the complex multi-source distribution network.
提出了一种能解决配电网馈线末端故障定位、并适用于多电源复杂网络故障定位的优化算法。
By studying the characteristic of fault judgement matrix elements an algorithm with XOR logic operation for fault section judgement in power distribution network is obtained.
分析故障判断矩阵中元素的性质,得出采用异或算法可以判断出故障区段。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型,用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
By building an appropriate model, the fault location in power distribution network based on the fault overcurrents is transformed into a nonlinear global optimization problem.
通过建立适当的数学模型,基于故障过电流的配电网故障定位变为一种非线性全局寻优问题。
By analyzing the zero-sequence full current for single-phase grounding fault in isolated neutral distribution network, a new approach to determine the faulty transmission line is obtained.
通过对中性点不接地配电网单相接地故障时零序全电流的分析,得出了利用零序全电流的大小和方向进行故障选线的新方法。
In the distribution network which has no communication, a scheme which USES the user line subsection switch to deal with the fault of the embranchment is put forward.
在不具备通信条件的配电网中,提出采用用户进线侧分段器来对分支线路的故障进行处理的方案。
According to the feature of distribution network structure, a practical short circuit calculation method based on fault current compensation and actual phase sequence presentation is put forward.
根据配电网的结构特点,提出了一种基于故障补偿方法与实际相序表示方法相结合的配电网短路电流实用计算方法。
In line with characteristics of the distribution network, targeting the difficulties in the fault location, this paper analyzed and summarizes the traditional fault location methods.
针对配电网的特点和故障定位的难题,对传统的故障定位方法进行了分析。
The system can isolate fault accuracy and timely in actual operation. It also can supply effective restoration scheme and improve Longyao Country distribution network.
该系统在试运行中已经过多次故障考验,故障点判断准确,隔离及时,并提供有效恢复方案,提高了隆尧配电网自动化运行水平。
The system can isolate fault accuracy and timely in actual operation. It also can supply effective restoration scheme and improve Longyao Country distribution network.
该系统在试运行中已经过多次故障考验,故障点判断准确,隔离及时,并提供有效恢复方案,提高了隆尧配电网自动化运行水平。
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