瞬變電抗 的英文怎麼說
中文拼音 [shùnbiàndiànkàng]
瞬變電抗
英文
transient reactance-
Power and i o terminal all through 2kv 5khz grouped pulse anti - reference test, iec ns6100 - 4a electric quick transient pulse group, surge, 2kv 5khz in the quality, anti - reference, and safety standard aspects in accordance with international standard
電源及i o端子均通過2kv 5khz的群脈沖抗干擾實驗iec ns61000 - 4a電快速瞬變脈沖群浪涌， 2kv 5khz在質量抗干擾能力及安全標準方面符合國際標準。Power and i o terminal both pass anti - interference test of 2kv 5khz group pulse. iec ns61000 - 4a electric quick transient pulse group, surg, 2kv 5khz in the quality, anti - interference ability and safety standard aspects it is correspond to international standard
電源及i o端子均通過2kv 5khz的群脈沖抗干擾實驗iec ns61000 - 4a電快速瞬變脈沖群浪涌， 2kv 5khz在質量抗干擾能力及安全標準方面符合國際標準。Electrical relays - part 22 - 4 : electrical disturbance tests for measuring relays and protection equipment - electrical fast transient burst immunity test
繼電器.第22 - 4部分:測量繼電器和保護裝置的電氣干擾試驗.電氣快速瞬變猝發抗擾性試驗The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably
在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。In order to improve the prospecting precision to the earth of transient electromagnetic method ( tem ), the idea of tem imaging is proposed according to the characteristics of both electromagnetic wave propagation and response : the wave - impedance is calculated from observed data in - field by the way of inverse - faltung and linear digital filter ; the sequence of reflection coefficients corresponding to every tiny - lever move time is calculated by the way of linear programming, and the imaging result section is drawn consequently
摘要?提高瞬變電磁法的對地探測精度，從瞬變電磁場的傳播特性和電磁響應特性兩個角度?慮，提出了瞬變電磁成像方法：由野外實測磁場感應數據，經過反褶積和線性數字濾波求出波阻抗；用線性規劃法求出每一微層走時所對應的反射系數序列，並以此?參數繪製成像結果圖。Electromagnetic compatibility - testing and measurement techniques - electrical fast transient burst immunity test
電磁兼容試驗和測量技術電快速瞬變脈沖群抗擾度試驗Electromagnetic compatibility of letter sorting equipment. immunity technical requirements of electrostatic discharge electrical fast transient burst
信函分揀設備電磁兼容性.靜電放電和電快速瞬變脈沖群抗擾度要求Electromagnetic compatibility of small - size post products - lmmunity test requirements of electrostatic discharge, electrical fast transient burst, voltage dips and short interruptions
小型郵政產品族電磁兼容性-靜電放電電快速瞬變脈沖群電壓暫降和短時中斷的抗擾度試驗要求By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component. it is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase
其次通過理論、模擬和實驗分析了本文所採用的電壓電流雙閉環瞬時控制方式逆變器的等效輸出阻抗和兩臺逆變器器件差異對輸出電壓的幅值差和相位差的影響，從而得出選用一定精度的器件，兩臺逆變器輸出電壓的幅值差比相位差大得多的結論。分享友人