無功功率 的英文怎麼說

中文拼音 [wúgōnggōnglǜ]
無功功率 英文
magner
  • 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 無功 : [電學] idle; idle work
  1. The paper propounded that used the svc to control voltage flash of the network

    本文提出用靜止無功功率補償器（ svc ）對配電網的電壓閃變進行抑制的控制策略。
  2. 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。
  3. In the same way, we should consider the problem that reactive power surplus and over - voltage during the period of low - water and low load

    同樣在枯水期輕負荷時，我們也要考慮到無功功率過剩，系統電壓偏高的問題。
  4. On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads

    本文在充分調研的基礎上，認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。
  5. Direct acting indicating analogue electrical measuring instruments and their accessories part 3 : special requirements for wattmeters and varmeters

    直接動作指示模擬電氣測量儀器及其附件.第3部分:瓦特計和無功功率計的特殊要求
  6. During the traditional measurements of the reactive power, the asymmetry of the voltage and current arises the asymmetry error

    傳統的三相無功功率測量中的由電壓、電流不對稱引起的「不對稱誤差」 ，長期以來一直是個難以解決的問題。
  7. So large quantities of power energy has to be transferred from the north to the south

    這就要求從北部往南部輸送大量的電能。在電網輸送過程中造成了較大的無功功率缺額。
  8. Is there any reactive power error control in avr

    自動調壓器有無功功率誤差控制嗎？
  9. Intelligent single phase ac active reactive power instrument

    智能單相交流有功無功功率儀表型譜表
  10. Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant

    負序電流的問題已經因系統容量的增大、牽引變電所採用輪換接線方式而基本解決，電力部門實行的「反轉正計」 ，使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象，難以達到滿意效果。
  11. Three phase ac reactive power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode, high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a, display reactive power 0114. 0k var

    三相交流無功功率顯示控制儀:單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式，上限報警下限報警開關電源供電輸入電壓0 380v ，輸入電流0 5a ，顯示無功功率0 114 . 0kvar ，
  12. A new method of reactive power pricing is proposed based on marginal cost method and embedded cost method. the method can make both ends meet and provide reasonable economic signals to the participating agents, and it is suitable for electricity pool

    該方法把邊際成本法和綜合成本法結合起來，既克服了無功功率實時電價導致收支不平衡的缺點，又能夠為電力市場的參與者提供一定的經濟信息，較適用於聯營模式的電力市場。
  13. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    從輸電損耗最小的角度出發，提出了任意相無中性線或有中性線系統的瞬時無功功率理論，在新的理論下，每個量都有清晰的物理意義，且能分解出零序電流的有功分量和無功分量，並給出了通用的零序電流補償方法，揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別，從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  14. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network

    無源支路在補償無功功率的同時還可以濾除因非線性負載產生的特徵諧波電流，為了抑制無源支路跟電網等效電感產生的諧振現象以及改善無源濾波器的濾波性能，系統中採用諧振注入式有源濾波拓撲。
  15. Tri - phase active, reactive power simultaneous display instrument

    三相有功無功功率同時顯示儀
  16. Single phase active reactive power simultaneous display instrument

    單相有功無功功率同時顯示儀
  17. On the analysis of the theory of instantaneous reactive power, the paper brings forward a new harmonic detection method based on multiple frequency transform. the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail. the correlative concepts are defined and the simulation validates the feasibility of this method

    本文在分析瞬時無功功率理論的基礎上，提出了一種基於倍頻旋轉變換的諧波測量方法，分別針對正序和負序分量，從理論上證明了該方法能分離出單個的諧波，給出了相關量的定義，最後通過模擬驗證了該方法的有效性。
  18. 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。
  19. The main product instant no power but automatic compensating controlling device is especially applicable to the places, where the instant charge changes acutely and continually, and this product has got state patent and the quality and technical indexes are one - up level of our country in the same products, and it has been recognized as energy - economizing product by china energy - economizing association and it has won the award of excellent technological product of international technology management association and it has been added to 1 net of china petroleum energy

    主要產品瞬時無功功率自動補償控制裝置，特別適用於瞬時負荷變化大而頻繁的用電場所，該產品已獲國家專利，在同類產品中質量及技術指標處于國內領先水平，被中國節能協會認證為「節能適用產品」 ，榮獲國際科技管理協會「優秀科技產品」獎，已加入中國石油能源一號網。
  20. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置，無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現，有源部分採用高頻pwm控制技術實現，成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流，降低線路損耗。
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