斷路繞組 的英文怎麼說
中文拼音 [duànlùràozǔ]
斷路繞組
英文
open circuit winding-
The two - point to earth short fault may cause short currents whic h can lead to serious accident. so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination. thus the security level of power system will be improved
由於發電機轉子兩點接地故障時會產生較大的短路電流，導致惡性事故的發生，因此對發電機轉子繞組進行狀態監測，判斷短路故障的形式和趨勢是十分必要，有助於提高系統安全運行水平。Two kinds of new on - line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways, are designed
本文提出了兩種在線監測變壓器繞組變形的方法，通過在線監測變壓器繞組原、次邊的電壓和電流量，實時計算變壓器繞組的短路電抗來判斷變壓器繞組變形情況，並對電氣化鐵路主要接線型式的牽引變壓器繞組變形的在線監測方案進行了設計。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路，並直接獲得發電機在額定運行工況下對應的故障樣本，用於故障診斷，不僅對轉子繞組匝間短路故障的存在性，還對故障的嚴重性做出了正確的判斷。Based on the result, the fault diagnostication according to fault record data and locating the fault position of staor wtndings are put forwar for the first time, it is innovative and practical
在此基礎上，首次提出用錄波數據對定子繞組匝間短路和相間短路進行故障診斷，確定故障點在定子繞組上的相別和匝數，有創新、有實用價值。Shorted rotor winding is a usual electric fault of synchronous machines. based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator, the paper studies the diagnose method, which combines the traditional method with the intelligent method, to identify the fault and the severity
轉子繞組匝間短路是一種常見的發電機電氣故障，本文對其故障機理和磁動勢進行了分析，將傳統的方法和智能化方法相結合，對轉子繞組匝間短路的存在性和故障嚴重性進行了診斷。Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation
上述控制策略的引入造成控制器運算量增大、難以在線實時控制，又設計了基於eprom的主開關器件通斷控制電路，實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制，同時避免了換相時可能引起的功率變換器飽和現象。The post research and statistics indicate that measuring the short - circuit reactance of power transformer is an effective method to estimate transformer winding deformation
實踐證明，通過測量變壓器繞組短路電抗來判斷變壓器繞組是否變形是一種有效的方法。Secondly, a series of novel detection schemes are presented creatively. furthermore, this paper proposes the joint detection scheme for rotor bar breaking and stator winding inter - turn short circuit fault in squirrel cage asynchronous motors, for the first time. meanwhile, a parameter identification technique based approach to detect stator / rotor over - heating fault is also presented
在此基礎上，提出了異步電動機轉子斷條與定子繞組匝間短路故障檢測新方法；首次提出了籠型異步電動機轉子斷條與定子繞組匝間短路故障聯合檢測方法；基於參數辨識技術，提出了異步電動機定轉子繞組過熱故障檢測新方法。Prosprosing a tansformer winding model to judge whether the transformer has come into bing interturn short circuit and the degree of interturn short circuit, and providing an availability for condition monitoring of transformer that improves the accuracy of condition monitoring and fault diagnosis. 3. the accuracy and invalidity of diagnosis of fault positions and fault characters of power transformer would be improved greately if reasoning and analyzing the operation records and oringnal datums of transformer
建立變壓器繞組狀態監測和故障診斷的模型，通過對繞組在線監測判斷繞組是否發生了匝簡短路、具體哪一相發生匝間短路以及匝間短路的嚴重程度，為變壓器狀態監測提供了有效的狀態監測量，實現了變壓器故障的局部定位，有效地提高了電力變壓器故障診斷的準確性。Firstly, a method to estimate the rotor speed, which is based on bp neural network, is introduced in this paper. secondly, the park vector approach is used to monitor and diagnose the inter - turn fault of the stator winding. finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the hilbert transform and digital filter
具體工作如下：採用bp神經網路對異步電動機轉子轉速進行無速度傳感器估計；對定子繞組匝間短路故障，採用派克矢量方法進行監測與診斷；對于轉子斷條故障，詳細介紹了一種新的基於希爾伯特變換與數字濾波的在線監測方法。On - line detecting inter - turn short circuit in stator winding of ac electrical machine based on fuzzy neural network
基於模糊神經網路的電機定子繞組匝間短路故障的在線診斷Firstly, the fault features of rotor bar breaking and stator winding inter - turn short circuit are analyzed in this paper, deeply and thoroughly
本文對異步電動機轉子斷條與定子繞組匝間短路故障特徵進行了機理、模擬與實驗分析。Along with the unceasing reformation of power system is unceasing, the government and social put forward the more demand to the market for the power industry, and the tenet of power industry is “ people power for people ”. they continue improve on the style, service quality, and management level of power industry service. a lot of provinces and cities are pressing on with the foundation of client service system through the modern computer and technique of communication web, and building the information system of power distribution, and the call center etc. these systems are the centre of market and customer, and convenience for clients, and optimization the flow of operation, and innovation the way of
隨著電力體制改革的不斷深入，政府和社會對電力市場服務提出了越來越高的要求，電力部門圍繞「人民電業為人民」的宗旨，不斷改進服務作風、提高服務質量和管理水平，國家電力總公司把2001年作「電力服務質量年」 ，各省網公司、地市供電企業也加緊建立和完善客戶服務支持系統，運用現代計算機和通信網路技術，建立電力營銷管理信息系統、電力客戶服務中心系統、配電網管理信息系統等相關系統，以市場和客戶服務為軸心，以方便客戶為宗旨，優化重組業務流程，創新服務方式，強化監管能力，提高企業決策和管理水平。The distinguished contributions of this paper are listed in details as the following. 1. the multi - loop mathematical models under the conditions that the squirrel cage asynchronous motor is healthy, faulty with broken rotor bars or with stator winding inter - turn shorts are deduced thoroughly, and improved necessarily
本文的主要研究成果如下： 1 .詳細推導了yn接、 y接、 d接籠型異步電動機在正常、轉子斷條及定子繞組匝間短路故障情況下的多迴路數學模型。Fault diagnosis of short circuit in stator windings of generator based on chaotic neural network
基於混沌神經網路的發電機定子繞組匝間短路故障診斷分享友人