磁電電流 的英文怎麼說

中文拼音 [cídiàndiànliú]
磁電電流 英文
magnetoelectric current
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Eiectromagnetic ammeter for tractors and internal combustion engines

    拖拉機內燃機用電磁式電流表
  2. Maximum rated circumferential magnetizing current

    額定周向磁化電流最大周向磁化電流
  3. Magnetic detector for lightning currents

    閃電電流磁檢示器
  4. The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation

    二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。
  5. Yueqing zhengda soft magnetic alloy co., ltd is a high - tech company that mainly produces ultra - crystallite ( nanometer cryst - allite ) material, ultra - crystallite magnetic core, current transformer, zero sequence current transformer, toroidal transformer

    樂清市正大軟磁合金有限公司，是一家專業生產超微晶（納米晶）帶材，超微晶磁芯，電流互感器，零序互感器，環型電感的高科技、軟磁公司。
  6. From the model, we can solve and gain the values and change orders of charging current, charging voltage, discharging current, discharging voltage and inductive current. after that, the electromagnetic fields can be created from two circuits " currents, and their magnetic rector and flux can be simulated from ansys solver

    用ansys multiphysics模塊求解出充電電流、充電電壓、放電電流、放電電壓和感應電流以及這些參數隨時間變化的規律：然後利用兩個迴路的電流耦合出電磁場，並模擬出磁矢量、磁通密度。
  7. The advantages of simple structure, good linearity, no magnetic saturation, widely measure band make it fit sample in optical - electric current transformer nicely. while, there also have many new problems in applying rogowski coils

    Rogowski線圈不僅具有結構簡單、線性度良好、無磁飽和、測量頻帶寬、動態范圍大等優點，而且體積小、重量輕，非常適合混合式光電電流互感器的取信號采樣繞組用。
  8. There is electromagnetic saturation in traditional cts, so the traditional ct ca n ' t meet relay protection in some situation

    傳統電磁式電流互感器由於有磁飽和現象，很多時候滿足不了保護裝置的需求。
  9. To get a tiny - current high - precision current transformer avoiding electromagnetic susceptible 、 performance instability 、 short life of electronic ones, studies high - precision passive current sensor with single - turn cored structure by reducing its secondary turns. based on the zero - flux current transformer principle, propose a passive zero - flux compensation method and deduced it. designs a current transformer with 500 turns based on this method

    本文研究了零磁通電流互感器原理，提出了一種無源零磁通電流互感器的方法，推導了它的工作原理，設計了基於該原理的500匝電流互感器，通過校驗發現它的比差和角差特性都比普通電流互感器有了很大的改善，並達到了比較高的精度。
  10. The shahe pumped - storage power station with two 50mw reversible units has been in good conditions on general since it was put into operation, but there still were some defects, such as the failure of unit ' s contemporaneous device, the insufficient cooling water discharge and pressure, and the failure of static frequency converter and excitation overcurrent

    摘要沙河抽水蓄能電站兩臺50mw可逆式機組自投運以來，總體情況良好，但是也出現了一些缺陷，如機組同期裝置故障，機組冷卻水流量或壓力不足，靜止變頻器故障，勵磁過電流故障等。
  11. Optimum design of current lead on the cryocooler - cooled hts magnet

    製冷機直接冷卻高溫超導磁體電流引線優化設計
  12. By analyzing some main factors which affecting the observation of tem, it discusses the way of reducing geological noise, it affirms the relationship between the side length of loop and depth of prospecting, current of supply electricity and the radio of signal and noise

    第三章方法技術，從影響瞬變電磁法幾種主要因素入手，探討了壓制地質噪聲的途徑，明確了回線邊長與探測深度、供電電流與信噪比的關系。
  13. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  14. Development on the current transducer with zero flux

    零磁通電流傳感器的研製
  15. Furthermore, the development of electromagnetic flowmeter with low frequency rectangular wave excitation is finally selected as the emphasis of research through analyzing the advantages and disadvantages of the different kinds of electromagnetic flowmeters

    電磁流量計的設計分析了不同種類的電磁流量計的優缺點，最終選擇低頻矩形波勵磁電磁流量計為研究重點。
  16. In addition, protection and display function units are added into this system. on the basis of study about working principle of previous indirect rotor - position detecting techniques, the fuzzy rules with the relation knowledge of - i - is studied in this paper as an approach for sensorless position angle estimation, and the simulation research for control performance and rotor position estimation are carried out. some experimental research on structure of srd controller is well made, and a fuzzy + pid speed controller with tms320f240 as core control unit is designed

    研究了srd系統結構，對已有的主電路和驅動電路進行改進，完善了系統的各種保護和顯示等功能；在對已有的無位置傳感器轉子位置檢測原理進行研究的基礎之上，根據sr電機的磁鏈?電流?角度之間的關系，研究了採用模糊規則無位置傳感器檢測方案；對srd系統的控制器結構進行研究，設計採用tms320f240高速信號處理器的fuzzy + pid控制器，研究了fuzzy + pid控制器以及系統運行中的各種保護、顯示、報警等功能的設計思想和實現方法。
  17. The realization of traditional rapid action relay function needs the combination of electromagnetic current relay, time relay and signal relay

    傳統的限時速切繼電器需要電磁式電流繼電器、時間繼電器和信號繼電器組合在一起才能夠實現單點的保護功能。
  18. Polarized electromagnetic ammeter

    極化電磁式電流表
  19. Because the electromagnetic current transformers have such shortcomings as magnetic saturation, ferromagnetic resonance and flammable and explosive traits, it is difficult for them to keep up with the development of power system

    而傳統的電磁式電流互感器具有磁飽和、鐵磁諧振及易燃易爆的固有缺點，已很難適應電力系統的發展。
  20. A scenario of the magneto - optical current sensor for large dynamic range measurement

    一種大動態范圍的磁光電流傳感器方案
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