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- Shunt fault with high resistance at the fault location. 高抵抗事故
- Second, we also present a new PMU-based fault location algorithm for multi-terminal transmission lines. 另外,因為電力輸電線路路權難以取得的緣故,因此存在很多的多端分枝輸電線路。
- Responsible for receiving the raw materials, sample preparation for QA and arrange the storage bin, stamp the relevant label and ensure the fill out the location card. 負責原材料的接收,取樣準備及相應狀態標籤的標貼;庫位的整理及庫位卡的填寫,確保帳,物,卡的一致性。
- The process for predicting fault location by using accoustic abnomality in standard layer includes two stages. 在用標準層聲波時差異常法確定斷層的位置時,首先對標準層聲波時差進行趨勢面分析,然後再分析殘差等值線圖。
- In power system, fault location that influences voltage sags is randomly distributed determined by many factors. 實際電力系統中,線路故障點受諸多因素影響,具有隨機不確定性。
- It is proved that the test system can fulfil the functions of function test and fault location. 實踐證明,該測試系統能夠較好的滿足功能測試和故障定位的要求。
- Finally, two-terminal fault location has been constructed based on dynamic phasor model. 最後,本文在同桿雙回線分佈參數時變動態相量模型的基礎上,構造了雙端故障測距演算法。
- Fault locating is the prereguisite of fault clea-ring. 故障定位是電力系統事故處理的前提。
- Abstract: The basic structure of a new integrative fault location system for UHV transmission lines is presented. 摘 要: 介紹了新型超高壓輸電線路故障定位系統的基本結構,闡述了該系統的數據信息處理主要功能和實現技術。
- Finally,this thesis presents the initial design scheme of fault location system hardware to implement algorithm. 最後,本文給出了實現該演算法的故障測距系統硬體的初步設計方案。
- The signal processing can be conveniently linked with the fault location by this method. 該方法還能將測量信號的分析處理和故障的定位很好地結合起來。
- Based on data fusion,a new method for singlephase grounding fault location of distribution feeders in networks with ungrounded neutral is proposed. 提出了基於模糊信息融合的中性點不接地系統單相接地故障定位的新方法及其實現。
- This paper presents the principle of optic time domain reflectometer (OTDR) and the fault location of optic fiber cable line by OTDR. 介紹了光時域反射儀(OTDR)的測試原理及其對光纜線路中經常出現的光纖故障點進行了分析,並簡述了用OTDR測量時應注意的問題。
- A new adaptive fault location technique based on Phasor Measurement Unit(PMU) for parallel transmission lines is presented. 提出一種新的基於相量測量單元(PMU)在線計算輸電線路參數的同桿雙回線故障測距的自適應演算法。
- XU Gui-zhi.The development of a device for single-phase-ground fault location in neutral ungrounded power system[D].Jinan:Shandong University,2001. [1]徐桂芝.;小電流接地系統單相接地故障測距裝置的研製[D]
- Keywords: wavalet analysis, BP nervous network, small electric current ground systems, fault location,single phase to earth. 關鍵詞:小波變換;BP神經網路;小電流接地系統;故障定位;單相接地
- The effects correcting fault location due to components tolerance are reduced because of extensiveness of neural netwo rks. 同時,利用神經網路的泛化性,有效地克服了容差因素對故障定位的影響。
- Using multi-resolution and maximum value of the wavelet transform, a method of transmission line fault location is devised. 運用小波變換的多解析度和模極大值特性,提出了一種電纜故障點自動定位方法。
- GE Yao-zhong.New types of protective relaying and fault location theory and techniques [ M ].Xi' an: Xi' an Jiaotong University Press, 1996. [1]葛耀中.;新型繼電保護與故障測距原理與技術[M]
- GE Yao-zhong.New Types of Protective Relaying and Fault Location: Their Theory and Technigues.Xi'an: Xi'an Jiaotong University Press, 1996. [1]葛耀中.;新型繼電保護與故障測距原理與技術