正弦交流電流 的英文怎麼說

中文拼音 [zhēngxiánjiāoliúdiànliú]
正弦交流電流 英文
simple sinusoidal alternating current
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • : 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...
  • : 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...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Standard test method for ac magnetic permeability of materials using sinusoidal current

    用材料的磁導率的標準試驗方法
  2. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道機的設計進行了系統研究。首先對變頻器和變頻輥道機的運行特性進行詳細分析,變頻器輸出的壓波形諧波大,沖擊大,壓上升率高達6600v / s ,是普通壓的20倍;軋機輔傳輥道對機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  3. Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    採用單片機控制雙向可控硅作為子開關所組成的壓分節網路,組成新穎快速的子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整波;再用單片機組成反饋控制系統,從而找到了的新方法,研製出一個大功率
  4. Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    文摘:採用單片機控制雙向可控硅作為子開關所組成的壓分節網路,組成新穎快速的子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整波;再用單片機組成反饋控制系統,從而找到了的新方法,研製出一個大功率
  5. The ideal power system needs to be supplied with sine voltage whose frequency and amplitude are both stable. to three - phase ac power system, the currents and voltages must be equal of amplitude and the phase - shift between each other should be 120 of positive order

    理想的力系統要求以頻率和幅值穩定的壓進行供;對於三相力系統,各相壓和應處于幅值大小相等、相位互差120的序對稱狀態。
  6. The conventional converter has two power transfer levels. the first one is to obtain high frequency, and the second one is to obtain low frequency ac voltage

    傳統的路結構中一般使用兩次逆變器,一次是為了獲得高頻,以便利用高頻變壓器進行變壓和隔離,第二次是為了獲得工頻壓。
  7. Also the solutions for dc voltage harmonics are achieved resulting in controlling a smooth ( constant ) power flow from ac to dc side in spite of the unbalanced voltage conditions

    兩種控制策略分別實現了的對稱控制和直壓非特徵諧波消除控制。
  8. By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit

    摘要利用路模擬軟體pspice8 . 0中直分析及穩態路的數值輸出功能模擬二埠網路參數的測量與研究,解決了傳統實驗中只能測量簡單、單一的純阻網路問題,實現了對任一復雜二埠網路、直的分析及y 、 z 、 t 、 h等參數的測量與研究,為更多的不易完成的傳統實驗以及復雜路的分析研究開辟了一條新路。
  9. With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment

    利用晶閘管的觸發導通特性,用單片機對觸發信號進行智能數字降頻,可在中切分出部分完整的波形供負載使用,可以單獨做成一臺控制儀器或者作為一個控制路板用於需要功率和轉速調節的空調、機床以及各類儀器設備中。
  10. The unsteady input commercial frequency sinusoidal voltage with high harmonic is modulated into bi - polarity three - state high frequency ac volage by the input cycloconverter, bi - polarity three - state high frequency ac volage is demodulated into uni - polarity three - state spwm wave by the output cycloconverter, and the uni - polarity three - state spwm wave is filter into steady commercial frequency sinusoidal voltage with low harmonic

    輸入周波變換器將輸入不穩定劣質的工頻壓調製成雙極性三態的高頻壓波,輸出周波變換器將此高頻壓波解調成單極性三態spwm波,經輸出濾波后得到穩定優質的工頻壓。
  11. Matrix converter ( mc ) is a power converter based on ac - ac direct conversion. more and more attention is paid to mc depending on its adventages, such as omitting the dc part, obtaining unit power factor, getting sinusoidal input currents and output voltages and easy to realize bidirectional flow of energy

    矩陣變換器作為直接變換的功率變換器,以其無中間直環節、具有單位輸入功率因數和良好的輸入、易於實現能量雙向動等優點受到了國內外學者的廣泛關注。
  12. The circuits in which both the excited sources and the responses are all sinusoidal shapes are called sinusoidal alternating circuits

    激勵和響應均為量的路稱為路。
  13. Abstract : a method to estimate error of measureing electrical power for nonsinusoidal ac with intelligent instrument is presented in this paper. it is useful to ac circuit controlled by scr. using this method and calculating by computer, the errors of power and voltage and current can be estimated accurately

    文摘:介紹了估算智能瓦特表測量非功率誤差的方法,它適用於各類晶閘管控制的非路.採用這一方法並用計算機計算,可較準確的算出功率、壓和的誤差
  14. 3 in the sinusoidal alternating circuit that only contains an inductor, the voltage across the inductor leads the current through it by 90, and they have the same frequency

    在只含有感的路中,壓超前90 ,且它們具有相同的頻率。
  15. 4 in the sinusoidal alternating circuit that only contains a capacitor, the voltage across the capacitor lags the current through it by 90, and they have the same frequency

    在只含有容的路中,壓滯后90 ,且它們具有相同的頻率。
  16. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明,這類變換器具有高頻氣隔離、路拓撲簡潔、兩級功率變換( lfac hfac lfac ) 、功率密度高、雙向功率、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代穩壓器、子變壓器、調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  17. Tal series high exchange filter installation, 6 - 35kv exchange mainly for electricity grid, as scheduled filter out the high harmonics currents, reducing grid voltage sinusoidal wave distortions rate, while providing compatibility for mouttalos no credit, improve the power factor lines, lowering the depletion, save energy, clean grid

    網中,作為濾除預定的高次諧波,降低波畸變率,同時為基波提供容性無功提高線路的功率因數達到降低損耗節約能凈化網的目的。
  18. Tal series high exchange filter installation, 6 - 35kv exchange mainly for electricity grid, as scheduled filter out the high harmonics currents, reducing grid voltage sinus - oidal wave distortions rate, while providing compatibility for mouttalos no credit, improve the power factor lines, lowering the depletion, save energy, clean grid

    網中,作為濾除預定的高次諧波,降低波畸變率,同時為基波提供容性無功提高線路的功率因數達到降低損耗節約能凈化網的目的。
  19. In this paper, the study method is adopted for employing matlab to simulate the transition feature of track circuit, the steady - state response of track circuit is simulated when the alternative sine wave signal is inputted, and the corresponding results are interpreted

    城市軌道通的迅速發展要求對軌道路的特性有深入的了解。本文採用matlab軟體模擬軌道路的傳輸特性,對軌道路在輸入下的穩態響應進行了模擬,得到了相應的的模擬結果和曲線圖。
  20. The circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filter

    路結構由輸入周波變換器、高頻儲能式變壓器、輸出周波變換器以及輸入、輸出濾波器構成能夠將一種不穩定劣質的變換成另一種同頻率穩定的優質壓。
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