電流有效值 的英文怎麼說

中文拼音 [diànliúyǒuxiàozhí]
電流有效值 英文
current effective value
  • 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...
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 有效 : effective; valid; efficacious
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  2. Rated short - circuit breaking current value of the current in amperes 20 25

    額定短路開斷電流有效值ka 20 25
  3. Rated short - circuit breaking current value of the current in amperes 20 ; 25

    額定短路開斷電流有效值ka 20 25
  4. The way of fast calculating the virtual value of voltage by pc, the way of calculating the power frequency and power factor

    數據處理技術包括：交流電壓有效值快速計算的原理與方法；電網電壓頻率、功率因數的計算原理與方法。
  5. It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly

    本課題研製一套電器試驗參數高速採集系統，能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號，並根據這些電信號的數值利用計算機進行在線計算，並給出用戶需要的各種電參數值和用戶需要的波形圖，通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。
  6. Sb2014 precise dc low resistance box has its own features such as high working voltage, good abstraction of heat efficiency, stable performance and novel configuration

    該電阻箱具有工作電流大、散熱效果好、性能可靠、結構新穎等優點，適用於工廠、學校和科研單位作精密大電流低阻值電阻標準。
  7. Under some conditions, short - circuit test on balanced transformers can be performed by means of 1. 5 phase supply. it is proved to be equivalent to the short - circuit fault during their operation. the test results comply with gb1094. 5 - 1985

    建立一定的試驗條件，在1 . 5相電源雙臂預先短路情況下進行短路試驗，使短路試驗能夠同時滿足實際運行中發生短路時的短路電流有效值和短路電流峰值的要求，並進行試驗驗證。
  8. In order to satisfy the real - time measurement, we studied the fast arithmetic of virtual value of voltage and current, power factor

    為了滿足實時檢測要求，研究了計算電壓、電流有效值和功率因數的快速演算法。
  9. A new intelligent power - meter ic - cs5640a is used to sample data in designing, including voltage, current, active - power, power - factor, reactive - power

    在設計中使用新型的智能電表晶元cs5460a作為數據採集晶元，實現了對于電網中電壓、電流有效值等多種電參數的測量和監視。
  10. Two schemes to realize the new detection approach and according apf are accomplished and verified. ( 1 ) the lcc detection method using a feed - forward multilayer ann to realize the adjustment of lcc

    提出並完成了兩種不同的實現方案： （ 1 ）前饋多層ann實現補償電流有效值最小的調節方案和相應的apf電路。
  11. The relation among all short - circuit current in each winding is described, and the rms value and peak value equation of short circuit current are concluded in this paper

    本文從平衡變壓器的工作原理入手，建立平衡變壓器各繞組中電流之間的電流映射關系矩陣和矢量關系，推導平衡變壓器短路電流有效值和峰值的計算公式。
  12. Fuzzy control prevent a large amount of calculation, increase systematic stability, reduce the movements. design use 80c196kc realized the measurement to electric parameters. engineer of host computer get parameters through serial communication

    設計中使用16位單片機80c196kc作為模擬量採集單元的控制器，實現了對電網中的電壓、電流有效值等電參數的測量，並通過串列通信將以上參數傳至控制主機工控機。
  13. The paper introduces the development status and background of epmi overall and expounds the measuring principle of voltage, current and other electrical parameters in detail. the whole design schemes of the system ’ s hardware and software are also presented in the paper

    論文綜述了電參數測試儀的發展狀況及背景，對電壓、電流有效值及其他電參數測量原理進行了詳細的理論闡述，提出了系統軟硬體總體設計方案。
  14. Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software

    文章的最後，針對變壓器試驗微機測試系統對電流、電壓、功率等變量數據採集的特殊要求，分析了同步誤差的產生原因，給出了同步軟體采樣的無差條件；建立了電壓電流有效值和平均功率測量誤差的數學模型，提供了減小測量誤差的措施；應用「同步軟體采樣技術」 ，不需要增加采樣周期數，不需要硬體同步環節，較好地解決了同步誤差對測量精度的影響。
  15. In this paper, some theories about intelligent instrument, dsp ( digital signal processing ) technology and the method of measure the electric power under the influences of harmonics is first of all described. and then it focuses on discussing the design and development of hardware and software

    論文首先對本次設計所依據的智能儀器、 dsp技術以及高次諧波影響下的電壓、電流有效值及其他電參數測量原理進行了理論闡述，然後著重從硬體、軟體兩個部分論述了整個儀表系統的設計與實現。
  16. The outer - loop adopting the voltage effective value feedback regulates voltage output and reduces the steady error of output voltage. the inner - loop control is inductance current feedback, which implements the stabilization of system, and limits the inductor current

    外環採用電壓有效值反饋，調節輸出電壓，內環採用電感電流瞬時值反饋，提高系統動靜態特性，並對採用該方案的級聯逆變器進行了全面分析。
  17. This dual - loop strategy is analysed completly and simulated. the implementation strategy is using digital and analogous hybrid control. the voltage loop is realized by dsp, and the inner - loop is realized by analogous circuit the design of cpld which simplified signal - phase cascade inverter circuit is also introduced in this paper

    根據控制方案設計了採用數模混合方案的控制電路，電壓外環採用dsp控制，實現輸出電壓有效值計算、 pi調解、輸出限幅等操作，電流內環採用模擬電路實現，並基於復雜可編程邏輯器件cpld設計了載波移相電路和死區產生電路，簡化控制電路。
  18. This paper expounds some difficult points in learning the alternating current of electrical engineering such as the effective value of ac, the functions of electrical inductance and capacitance on ac, the working principle of induction - motor and the transmit electricity

    對電工學中有關交變電路學習的一些難點，如交流電的有效值，電感、電容對交變電流的作用，感應電動機的工作原理及輸電等進行了闡述。
  19. I have researched one of the key technologies for the protection and control device : the real - time sampling technology for the valid value of the quantity of alternating current

    研究了保護與控制裝置的關鍵技術之一：交流電量有效值的實時采樣技術。
  20. Whereas if the contacts are in series with the alternating circuit, due to the passing zero property of voltage, we must evaluate the condition of contacts according to voltage value

    但當觸頭接入交流電路中時，由於電壓有過零的特徵，所以要根據電壓有效值來判斷觸頭是打開還是閉合。
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