無功電流 的英文怎麼說

中文拼音 [wúgōngdiànliú]
無功電流 英文
current wattless
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 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...
  • 無功 : [電學] idle; idle work
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Intelligent tri - phase ac active reactive electric energy instrument

    智能三相交流有功無功電能儀表
  2. Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software

    在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上，對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析；對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。
  3. Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched

    針對本系統的應用對象，確定了本系統中所應用的無功電流實時檢測理論和方式、補償電容器接線和分組方式、補償電容器投入時刻的選擇等關鍵技術；並對can技術應用於功率因素動態補償系統進行了研究。
  4. It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique

    系統在優化控制技術中採用了電容器補償控制的兩段控制模型，不僅解決了分支線路之問穿越無功電流的最優控制問題，實現了功率因數的自動跟蹤，而且使整個系統的可靠性大大提高。
  5. The reactive power compensation is an important engineering in the power system. the active reactive power compensator designed in this text takes the instantaneous reactive power theory of three - phase as foundation, and is formed by the reactive current testing circuit, current tracking control circuit and the main circuit, and among them the current tracking control circuit is formed by instruction current arithmetic circuit, current polarity checkout circuit and current tracking control logic circuit three parts in the circuit form

    無功功率補償是電力系統中的一項重要工程，本文所設計的有源無功功率補償器是以三相瞬時無功功率理論為基礎的，它由無功電流檢測電路、電流跟蹤控制電路和主電路三大部分組成，其中電流跟蹤控制電路由指令電流運算電路、電流極性檢測電路和電流跟蹤控制邏輯電路三部分構成。
  6. By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits

    本文通過對于單相電路瞬時功率理論的分析研究，提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。
  7. Thus the reactive compensator can be located in the center of the distributed load in the area and make the best user of the compensator ' s capacity. the distance flowed by the reactive current is efficiently reduced and the active loss of power net goes down. two - stage control model is adopted in the optimized control technique of the system

    該系統採用了測量點與補償點與分開的方式，實現了區域性無功負荷監視，使無功補償點可以安置在區域性分散負荷的中心部位，最大程度地利用了補償容量，有效地縮短了無功電流傳輸的距離，降低了電網的有功損耗。
  8. Among them, the action of the reactive current testing circuit is testing the reactive current component in the compensated object current

    其中，無功電流檢測電路的作用是檢測出補償對象電流中的無功電流分量。
  9. This approach is called fas. this approach uses characteristics of trigonometric function, respectively computes the amplitude of fundamental component and inactive power current separates them by low pass filter and acquires and inactive power current

    該方法利用三角函數的特性，對畸變電流中的基波成分和無功電流分量的振幅分別進行計算，然後經過低通濾波器把它們分離出來，最後得到基波有功和無功電流分量。
  10. Japanese scholar akagi h. put forward instantaneous reactive power theory in 1980s, 20 century, meeting the demand for real time and instantaneousness

    20世紀80年代由日本學者赤木泰文提出的瞬時無功功率理論滿足了對電流諧波和基波無功電流快速檢測的要求。
  11. An improved harmonic and reactive current detecting method

    一種改進型諧波和無功電流檢測方法
  12. Unified model based harmonics and reactive current detection

    基於統一模型的諧波及無功電流檢測
  13. For this reason, we redefined the instantaneous reactive power so as to make it easier for detecting harmonic current and fundamental reactive current

    為此，重新定義了系統瞬時無功功率，使其更易於諧波和無功電流的實時檢測。
  14. A closed - loop detecting approach of harmonic and reactive current based on instantaneous reactive power theory is proposed, its base design rules are given

    摘要分析了基於瞬時無功功率理論的諧波及無功電流檢測原理，在此基礎上提出一種自適應閉環控制的檢測系統，給出優化設計的基本原則。
  15. By realtime detecting harmonics and reactive current in the power line, then generate the compensate current which is equal to the harmful current in amplitude and opposite in direction, realtime compensation is achieved

    它通過實時檢測電網諧波和無功電流，然後產生與之大小相等、相位相反的補償電流，進行實時補償。
  16. This paper deal with three - loop control system for synchronouns motor, stator current loop, var - current loop, exciter current loop. how to monitoring synchronizing error, and using 80196kc to control exciter

    本文討論了三環控制的同步電動機勵磁系統，即定子電流環，無功電流環和勵磁電流環。以及同步電動機失步檢測及以80196kc進行控制的方法。
  17. The detecting method of dvr is different from harmonic and reactive current detecting methods. it need detect not only total harmonic distortion but also the difference between fundamental wave component and reference value

    Dvr的檢測方法與諧波、無功電流的檢測不同，不但需要檢測出除基波分量之外的總畸變分量，還要檢測出基波分量與基波基準值之差。
  18. Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages, need not calculate the harmonics and reactive current components, as well as the use of any multipliers

    單周控制三相四線制有源電力濾波器不需要檢測三相負載電流和三相電源電壓，不需要檢測諧波和無功電流，也不需要使用任何乘法器。
  19. In chapter 4, a basic controller of hvdc is designed. for the voltage problem at the inverter, this paper adopts the constant reactive current control at the inverter, which is different from the traditional control method. the constant reactive current control can adjust reactive power consume at the inverter and improve the voltage stability

    在第四章hvdc基本控制器的設計中，針對逆變站消耗無功功率與電壓穩定性之間的矛盾，在逆變側採用了有別于傳統方式的定無功電流控制，目的在於調整逆變側吸收的無功功率，從而獲得較好的電壓穩定性。
  20. The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got, 2 ) according to the interrelationship of the instruction current and the real compensating current, yields pwm ' s control signal controlling each units of main circuit ducting, the result of controlling pledges the compensation current following the tracks of his instruction current ' s change

    電流跟蹤控制電路的作用是： 1 ）根據無功電流檢測電路得到的瞬時無功電流得出補償電流的指令電流， 2 ）根據補償電流的指令電流和實際補償電流之間的相互關系，得出控制主電路各個器件通斷的pwm控制信號，控制的結果保證補償電流跟蹤其指令電流的變化。主電路的作用是根據電流跟蹤控制電路輸出的控制指令，產生實際的補償電流。
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