line fault 中文意思是什麼
line fault
解釋
線路故障-
On - line fault diagnosis for high - power power electronics equipments is a significative subject. it is an intersectional subject that has been come into being in order to adapt to the engineering demand
電力電子裝置在線故障診斷是一個具有重要意義的課題，它是適應工程實際需要而形成的一門交叉性的綜合學科。 -
This article angle has analyzed the higher professional technical education from cbe / dacum " the electrical control technology " the curriculum ability localization, according to the higher professional technical education " the electrical control technology " the curriculum ability localization, point out the insufficiency and flaw existed in commonly used control electric appliance choice, electrical pilot wire road map, electricity control system installment, wiring craft, electrical control line fault diagnosis system approach, new starting velocity modulation equipment and control circuit, control circuit and main circuit aspect and so on
摘要本文從cbe / dacum角度分析了高職「電氣控制技術」課程的能力定位，根據高職「電氣控制技術」課程的能力定位，指出了現行高職「電氣控制技術」教材在常用控制電器選擇、電氣控制線路圖、電氣控制系統安裝、接線工藝、電氣控制線路故障診斷的系統方法、新型起動調速設備及控制電路、控制電路與主電路的連接等方面存在的不足和缺陷。 -
So they can not be used in on - line fault detection and condition monitoring. and the explanation of the time - frequency analysis is not easily accepted by the engineers. the experimental factors, such as rotational speed and measured position and fault distribution a
文中還針對轉速、測點位置、故障分佈（位置） 、負載等因素對頻譜分析、包絡分析、時延相關解調等方法的診斷效果進行了大量的實驗研究。 -
The precise location of high - voltage transmission line fault is of great significance and practical engineering value
高壓輸電線路故障的準確定位具有非常重要的意義和工程實用價值。 -
A new method for non - interposed testing to the flux and pressure parameters is proposed with ultrasonic. based on the new method, on - line fault diagnosis for weapons and equipments is achieved
本文提出的用超聲波非介入式管外測量方案，無需預留檢測介面，實現了流量、壓力的實時在線檢測，為武器裝備現場診斷搶修奠定了可靠基礎。 -
Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters
本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后，針對輸電線路故障定位因線路參數變化對定位準確度的影響，提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正（ cie ）的新演算法，並利用修正後的參數來求解兩端的不同步相角差。 -
With the aid of phase - mode transformation, one line fault and cross line fault positions are determined in mode - domain accurately
該演算法不受系統阻抗和過渡電阻的影響，並且消除了雙回線間耦合的影響，可用於單回線故障和跨線故障的測距。 -
Hardware design of equipment of on - line fault diagnosis for power transformer based on comprehensive parameters
基於綜合參數的電力變壓器故障在線診斷裝置的硬體設計 -
By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點，提出了新的單端行波故障測距方法，它不僅能夠有效地識別出測距所用的反射波，而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響，在近區仍可以準確地進行測距；同時模擬阻波器的特徵，設計了低通數字濾波器，對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析，並利用本文提出的單端行波故障測距方法進行故障定位，結論是所提出的測距方法在實際應用中仍是有效的。 -
Comprehensive research on transmission line fault information for 10 kv railway power system
鐵路輸電線路故障信息綜合處理系統研究 -
It has great advantages such as man - machine talking in operation, technological parameter being inputted by means of menu, pay - off tension being displayed on - line, fault self - diagnose, and the function for on - the - spot management of production
操作採用人機對話，工藝參數菜單式輸入，放線張力隨機顯示，故障自診斷，並具備生產現場管理功能。 -
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
採用節點、支路信息矩陣來描述配電網路，形成面向故障自動化處理的網路數據結構；提出了基於支路故障概率的故障定位演算法，並結合短路電流特性判據法來定位故障支路；在定義直流等值網的基礎上，提出了優化供電恢復的直流電壓降法；開發了配電網故障自動處理軟體系統，並用於實際配電自動化工程中。 -
This paper analyses the transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet packet analysis theory is introduced to selecting fault, in which the fault character is not the steady signal but the transient signal
本文在中性點不同接地方式下，研究和分析了線路故障特徵量的暫態特點，主要從信號處理的角度，提出將小波包分析理論運用到故障選線。 -
This paper analyses the steady and transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet analysis theory and the artificial neural networks are introduced to fault location, in which the fault character is not the steady signal but the transient signal
本文在中性點不同接地方式下，研究和分析了線路零序故障特徵量的穩態和暫態特點，主要從信號處理的角度，提出將小波分析理論和人工神經網路原理運用到故障定位，將基於穩態信號的定位原理轉移到基於故障特徵量暫態信號的定位原理。 -
On - line fault diagnosis system of automated mechanical transmission
機械式自動變速器在線故障診斷系統 -
The design of the power supply on - line fault diagnosis system based on can bus for armored vehicles
總線的裝甲車輛電源系統在線檢測設計 -
Finally, experiments are carried out with the developed dsp on - line fault diagnosis system
最後，研製出了實時診斷系統樣機並在實際裝置上進行了診斷實驗。 -
So high voltage transmission line fault diagnosis and performance analysis are very important for security and stability of power systems
因此，對輸電線路的故障診斷和性能分析是極為重要和必要的。 -
In case of complicated dc circuit, any type of symmetrical ac system fault. dc line fault and dc line ' s recovery after fault can be more accurately simulated, and the dc line ' s dynamic response can be better represented. all the above is very important when doing the research on dc power support to ac system under emergency conditions, and has laid a solid foundation for the interaction study which will be met in a hybrid ac / dc power systems
該模型能夠在對交流網路進行機電暫態計算的同時，對直流網路進行電磁暫態的計算，因而能較精確地考察暫態過程中直流線路的動態行為，並可對任意對稱的交流系統故障、直流線路故障以及故障后直流輸電系統的恢復等過程進行模擬，且模擬時間較短，為在復雜系統中研究直流輸電系統與交流輸電系統間的相互作用奠定了基礎。 -
The merits of single terminal fault location are its reliability and its accuracy is n ' t affected by the type of line, fault resistance and two sides systems theoretically but this method has problems such as the identification of reflection wave and the unidentifiable area of reflection nearby which are research purpose and core of this paper
單端行波故障測距方法的優點是其可靠性和精度在理論上不受線路類型、故障電阻及兩側系統的影響，但單端行波故障測距方法存在反射波的識別問題，且在近區還存在無法識別反射波區域。這就是本文的研究目的和中心。
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