穩定的故障 的英文怎麼說
中文拼音 [wěndìngdegùzhàng]
穩定的故障
英文
stable failure- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 的 : 4次方是 The fourth power of 2 is direction
- 故 : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
- 障 : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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If dispatchers make misjudgment or leaky judgment for this kind of faults, maybe it will bring out serious aftereffects such as accident spread, etc. thus, it is necessary to develop a fault diagnosis method with strong robustness to suit all kinds of disadvantaged instances, and assist dispatchers to identify faults quickly for guarantying power system ' s safe and stable running
當電力系統發生復雜故障或開關?保護存在較多誤動?拒動以及因信息干擾發生信息丟失等諸多不確定因素時,會使得故障后的系統響應復雜化,給故障診斷工作造成很多困難,如果調度員對故障發生誤判,漏判,可能會導致事故擴大等嚴重後果。因此,有必要發展一種魯棒性強,適應各種不利情況的故障診斷方法,協助調度人員迅速識別故障,保證電力系統的安全穩定運行。Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements
批準電力潮流和故障類型使用瞬時電壓角度.通過縮減利潤需求,使用系統狀態測量以增加穩定的系統負荷Considering a more general continuous fault model of sensors, the sufficient condition of regional stabilizability is obtained for linear systems with uncertainty by using modified lyapunov inequality
摘要針對具有不確定性的線性系統,考慮具有更廣泛意義的傳感器連續故障模型,應用修正的李亞普諾夫不等式,給出了系統區域穩定的充分條件。Additionally, the optimum structure and parameters of the support vector machine can easily be determined by the learning process, however the neural networks can not. an information gain of signature signals is introduced to assess the contribution of the signature signals to diagnosing faults in rotating machines
同時發現,存在一個最佳訓練樣本比例值,在該比例值上,不同核函數支持向量機的故障診斷錯誤率均趨于穩定,也就是說這個比例值確定了在保證故障診斷準確率的條件下,所需要的最少訓練樣本數。In high voltage power transmission line, in order to ensure power system juxtaposition operation ' stability and bump feeding power up against, at a great many instance, without delay from line ' s terminal excision by the protected line interior fault
在高壓輸電線路上,為了保證電力系統並列運行的穩定性和提高輸送功率,在很多情況下都要求無延時地從線路兩端切除被保護線路內部的故障。Reasons for the malfunctions due to the unstable switch of inverters are analyzed and corresponding approaches to cope with them are presented
針對逆變器切換不穩定的故障情況,分析原因並提出解決問題的思路和方法。The paper propose the complex value u - d factorization based least square method to improve the numerical stability and the fault feature are obtained. 7
為了提高數值計算穩定性,進一步提出了基於復u - d分解的最小二乘參數估計方法,獲得了變頻調速系統的故障特徵。For the convenience of test, varied circuit chip defects caused by the production process are abstracted as all kinds of models. at present the commonly used fault models mainly consist of stuck - at fault, stuck - open fault, bridge fault, store fault, delay fault, etc. testing methods based on voltage testing mainly aim at stuck - at fault model and have also obtained satisfactory result in research for many years. bridge fault is tested easily by quiescent power supply current ( iddq ) testing method. in regard to stuck - open fault that is difficult to testd by quiescent power supply current ( iddq ) and voltage testing, it can is tested by the dynamic current ( iddt ) testing
為了便於測試,我們將生產過程中集成電路出現的多種多樣的缺陷抽象為各種模型。目前常用的故障模型主要有:固定故障,開路故障,橋接故障,存儲故障,時滯故障等。電壓測試主要針對固定型故障模型,多年的研究也取得了令人滿意的結果; cmos電路中的橋接故障則宜用穩態電流測試方法( iddq )測試;對于電壓和穩態電流難以測試的開路故障,可以使用瞬態電流測試( iddt )的方法進行測試。At present the special protective devices for busbars in middle and low voltage distribution networks are still not common. only appended to original busbar protections, so the faults occurred in middle and low voltage busbars have to be cleared by back - up relaying with long time delay. thus, some kind of faults may spread which originally could be cleared and tremendous economy loss may appear
在電力系統中35kv及以下電壓等級的母線由於沒有穩定問題,一般未裝設專門母線保護,母線故障要由較長延時的后備保護來切除,使不少本可以得到控制的故障被發展和擴大,造成了巨大的經濟損失。It is troublesome when it comes to a single phase fault happened on a non - direct - ground system, a host of scholars have dwelt on it. actually, most of these works are based on steady conditions
長久以來,小電流接地系統單相接地的故障選線和故障定位問題一直沒能很好的解決;很多學者做了大量的工作,但是,這些工作很多都是基於單相接地時穩態電容電流的分析的結果。This paper introduces the types of hvdc faults and the causes of hvdc pole blocking and analyzes the effects of hvdc pole blocking on power system stability, taking some hvdc projects for example and highlighting gaopo - zhaoqing hvdc project
介紹了直流故障的類型和直流閉鎖的原因,重點以高肇直流輸電系統為例分析了直流閉鎖對電力系統穩定的影響。Hence, they that flow field calculation and dynamical computation of fluid - solid coupling dynamic characteristics are carried out to search flow law in the hydraulic turbine, optimize the design of scroll casing, guide vane, blade and draft tube, and they can apply useful to the monitoring and fault diagnosis system of hydroelectric set as well
因此,為探求水輪機內部的流動規律,優化水輪機設計,為水輪機的安全穩定性運行和機組的故障診斷提供幫助。對導葉內部的流動進行流場計算和流固耦合振動特性的動力計算就顯得十分必要。The operation results show that the new bump orbit injection system has better stability and lower fault rates
運行結果表明,建造的新凸軌注入系統有較好的穩定性,較低的故障率。Provides stable string identifiers for usb devices, appropriate for use in operations and troubleshooting
為usb設備提供穩定的字元串標識符,以便在操作和故障診斷時使用Compared to the traditional dynamic balancing instruments, this instruments has the more friendly soft panel, and can be used more conveniently ; has two mode to get digital signal, one is by acquisition clip and the other by series communication ; use crosscorrelation analysis to improve the accuracy of the measure results ; use software method to eliminate the bad influence caused by missing signals ; have multiple methods of dynamic balance ; have some functions of fault - diagnosis ; and combined lab view program with database using dll. it has been proved that the balancing instrument can be used more conveniently, has complete functions and can obtain satisfying result
與傳統動平衡儀相比,木儀器面板更加友好,使用更加方便;可通過採集卡,串口通信兩種方式進行數據採集;利用相關原理對採集到的數字信號進行分析處理,提高了測試結果精確度和穩定性,並用軟體方法解決了因漏採信號,引起的對信號處理的不良影響;包含多種平衡方法;具有一定的故障診斷能力,可擴展性好;並利用dll技術實現了labview應用程序與c + + builder數據庫功能的相結合。This paper also have a research on bp and hopfield network, by using the nn, it provide a mechanism to deal with the diagnosis equations. the stability, astringency and the feasibility of this method can be strictly proved. the simulation results shows that the proposed methods can perform correct diagnosis in a very short time
隨后著重研究了bp神經網路與hopfield神經網路模型,並利用其故障診斷機理及特性提出了兩種解故障診斷方程組的神經網路方法,其穩定性、收斂性和可行性都能夠得到嚴格的證明,最後給出了模擬演算法步驟及診斷實例,實驗結果表明該方法對容差模擬電路的故障診斷有很好的改進。Fault feature in stator current is extracted by singularity detection of signals with half - complex wavelet transform and it can be helpful to the real - time detection of motor fault. harmonics caused by the fault of motor is detected accurately with real - time harmonics cancellation method. steady state current and starting current in stator are analyzed with real - time harmonics cancellation method and the improved harmonic wavelet separately, after that the feature component of rotor fault can be detected successfully
採用半復小波變換對電機定子電流進行奇異性檢測,提取故障突變信號,有助於電機故障的實時診斷;通過實時諧波消去法檢測定子故障引起的高次諧波電流;採用改進的實時諧波消去法精確提取電機穩態電流中的轉子斷條故障特徵分量;為了進一步提高轉子斷條故障診斷精度,利用改進的諧波小波對電機起動電流進行時頻分析,提取轉子斷條故障特徵。A relating mechanism based on induction - motor has been introduced. based on two model system, a series of simulation has been carried out. from simulation result, the characteristic of transient voltage stability with the application of fcl may be concluded
基於感應電動機的動態模型,對系統暫態電壓失去穩定的機理進行了分析,提出了應用故障限流器可能有助於維持系統暫態電壓穩定的論點,進而通過對兩個模型系統所做的模擬實驗印證了相關機理,並得出限流器對于維持系統暫態電壓穩定的意義和作用特點。This is especially a requirement for considering systematic real - time character. according to examines the result judges each function module in turn whether appears the breakdown, or will lead to the whole system appear unstable state. software notes the fault ; system monitor read the notes
根據檢測結果依次判斷各個功能模塊是否出現故障,甚至導致整個系統出現不穩定的狀態,並隨時將檢測故障的數據告訴監控人員,由其決定系統是否需要繼續工作。As an important executive device, the hydraulic valve ' s safe and stable operation is of momentous significance. so real - time monitoring of the valve ' s running status and dynamically setting of its running parameters are needed. also the valve should alarm and handle failure when error occurs
各種電液閥作為一類重要的執行器件,保證其安全穩定的運行意義重大,因此需要對閥的運行狀態信息進行有效提取和實時監控,以及在出現故障時報警並做出相應的應急處理。分享友人