magnetizing 中文意思是什麼

magnetizing 解釋
磁化的
  1. Longitudinal magnetizing ampere turn

    縱向磁化安匝數
  2. Maximum rated circumferential magnetizing current

    額定周向磁化電流最大周向磁化電流
  3. The fast discrimination between magnetizing in - rush current and fault current is a difficulty in transformer protection presently. to solve this problem, second harmonies restraint and dead angle are used widely in practical application

    勵磁涌流的快速鑒別仍然是當前變壓器保護面臨的一個難點,在實際應用中廣泛採用二次諧波制動原理和間斷角原理來鑒別勵磁涌流。
  4. Theft - proof apparatus series magnetic strip magnetizing demagnetizing apparatus

    當前位置防盜儀系列磁條充消敏儀
  5. Has two openings, one for magnetizing and one for demagnetizing an object. simply pass an item through either side. very useful for magnetizing screwdriver bits

    上下兩個開口,上為消磁,下為充磁,只要輕輕穿過即可完成,特別適合起子頭的充/消磁。
  6. Compound magnetic strip : capable of magnetizing and demagnetizing, alarm doesn t function anymore after demagnetization so that buyers and commodities can get across channel exit at the same time

    復合磁條:可以充消磁,消磁后不再報警,顧客和商品可同時過通道出口
  7. The magnetizing field is then removed while the body is thermally isolated.

    在該物體熱絕緣時把磁場撤去。
  8. Method of improving way of magnetizing for dc motor stator

    直流電機定子充磁方式的改進方法
  9. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    ( 3 )利用牽引變壓器磁鏈平衡方程,建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott (斯科特)接線牽引變壓器的「灰箱」模型,該模型考慮了牽引變壓器鐵芯非線性和磁滯效應,但又不直接反映在模型中,並且無需鐵芯的b - h曲線數據。
  10. 2 ) an efficient model based on physical similarity was made to simulate the current transformers " nonlinear magnetizing characteristics and to compensate error from outside. a similar magnetizing current extracting method based on bang - bang control was advanced to maximally extract the similar magnetizing current

    ( 2 )針對電流系統中大量運行的0 . 5級電流互感器,利用物理相似原理在互感器二次構造相似電流互感器,提出基於bang - bang控制的相似激磁電流提取方法,能夠最大程度的提取相似激磁電流。
  11. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前,牽引變壓器通常採用差動保護作為主保護,但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障,如故障電流與變壓器處于勵磁涌流、過勵磁, ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分,可能造成保護誤動或拒動,從而危及整個鐵道電氣化系統的安全運行。
  12. The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain

    交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式,該技術對工件表面及近表面缺陷具有較高的檢測靈敏度,是無損檢測領域未來主要發展方向之一。
  13. How to discriminate between internal fault and magnetizing inrush current is the difficulty of transformer protection when apply differential relay

    變壓器主保護選擇差動在原理上存在不足,帶來的問題就是如何準確鑒別勵磁涌流與內部故障,這也是目前變壓器保護的難點。
  14. In order to meet needs of reliability and speediness of power transformer protection, and to have protection blocking reliably in the presence of magnetizing inrush current, the wavelet transform is applied to the discrimination between inrush current and fault current

    本文把小波變換應用於勵磁涌流的鑒別,詳細探討了用小波變換來區分勵磁涌流和故障電流的具體方法,提出了兩種比較適用於工程實際的方法。
  15. Permanent magnet synchronous motors ( pmsm ) have the advantage of not requiring any magnetizing current and easy to control. they are widely used in high performance servo systems

    永磁同步電動機轉子勵磁由永久磁鐵產生,因其電路結構簡單,控制方便,而廣泛應用於高性能的伺服系統中。
  16. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題,論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上,提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據,並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  17. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌流和內部故障電流進行小波分析,並設計微機型變壓器保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  18. The coordination control between the angle error and the ratio error was realized through analyzing the common characteristics between the similar magnetizing current compensation and the anti - turn compensation

    通過分析相似電流補償和反匝數補償的特點,對電流互感器的比差和角差進行了協調控制,補償效果明顯。
  19. In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis

    本文分析了交錯並聯雙管正激變換器的工作原理,研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形,建立了模擬模型,模擬結果證明理論分析的正確性。
  20. Align timing gear so that it points to timing scale, then put sensors magnetizing iron core and rotor casing 1 cam gear, while in parallel, into engine. fasten distributor bolt

    調整正時輪與正時點對,再將傳感器導磁鐵芯與轉子1缸凸輪對插入發動機中,緊固分電器固定螺栓
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