rotating rectifier造句
例句與造句
- And we can diagnose the condition of the rotating rectifier with harmonics amplitude
并以此為判據(jù)對旋轉(zhuǎn)整流器運行狀態(tài)進行判別。 - Rotating rectifier brushless generators are one of the important solutions to modern isolated electrical power generating system
采用旋轉(zhuǎn)整流器式無刷交流發(fā)電機是現(xiàn)代獨立電源系統(tǒng)的重要方案之一。 - Because of canceling slip rings and carbon brushes , it is impossible to measure directly the rotating rectifier ' s current and voltage . so , it is very difficult to monitor and protect the rotating rectifier
但是,取消了滑環(huán)和炭刷,旋轉(zhuǎn)整流器的電壓和電流不可能直接測量,使其監(jiān)視與保護十分困難。 - As compared with the simple bp network , this diagnosis result is avoiding getting in local - minimum , more accurately and reliably . it also avoids the omitting and mistakes diagnosis of the rotating rectifier faults
與純bp神經(jīng)網(wǎng)絡(luò)相k腿免bp網(wǎng)絡(luò)漲陷入的局部極小,診斷結(jié)果更力dwh和可靠,有效防止了旋轉(zhuǎn)整流器故障的誤判和u 。 - In brushless excitation system , rotating rectifier is likely to occur several faults . but there is not clear linearity relation between the cause of fault and corresponding symptom . and it is difficult to describe their relation with mathematics model
在無刷勵磁系統(tǒng)中旋轉(zhuǎn)整流器可能出現(xiàn)各種故障,但故障原因和相應(yīng)的癥狀之間往往沒有明確的線性關(guān)系,也就很難距歷g洲精確的數(shù)學(xué)模型來描述。 - It's difficult to find rotating rectifier in a sentence. 用rotating rectifier造句挺難的
- Firstly , the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function . secondly , the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction
先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波,再通過小波包分解和重構(gòu)進行特征頻率提取,建立了表征旋轉(zhuǎn)整流器故障的特征向量。 - Wavelet theory has the special ability to express the signal local characters in the time and frequency region . in this paper , the signals of rotating rectifier normal or fault conditions have been analyzed by wavelet transform , and the eigenvector , which includes useful information , has been obtained
小波理論在時域和頻域同時具有良好的表征信號局部特征的能力,本文采用小波變換來對各種故障情況下的信號進行分析,提取含有豐富的故障信息作為特征向量。 - This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier . under the normal or fault conditions of rotating rectifier , the mathematical expressions of the armature current , the m . m . f and induced electromotive force are approached
本文通過對旋轉(zhuǎn)整流器在正常與故障狀態(tài)下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析,推導(dǎo)出旋轉(zhuǎn)整流器在正常與故障狀態(tài)下電樞電流、空間諧波合成磁勢及其感應(yīng)電勢的數(shù)學(xué)表達式。