負勵磁 的英文怎麼說

中文拼音 [fùlìcí]
負勵磁 英文
negative excitation
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 勵 : Ⅰ動 （勸勉） encourage; exert oneself Ⅱ名詞（姓氏） a surname
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 勵磁 : [電工] excitation; field; exciting; energizing勵磁波 field wave; 勵磁場 exciting field; 勵磁電動...
  1. My research paper can be divided into five parts : i. practical mathematical models have been derived and equations are also derived ( includes field excitation system, governing system ), which are used in generator three phases short circuit and by adding large loading. ii. simulation of the generator ' s shunt - wound run

    發電機組實用數學模型的推導（包括勵磁系統和調速系統） ，並由此推出了用於發電機三相突然短路和突加異步電機大負載模擬的差分方程；並進行了突卸負載、突加負載時調速系統的模擬過程； 2
  2. Through the deep study of f. d. demello dynamic model of electromechanical transition and synchronous generator theory, we proposed a new control strategy of excitation device that can eliminate the negative - damping phenomenon, which is directly against the cause of producing negative - damping represented as low frequency oscillation in the system

    通過深入研究f . d . demello機電暫態的動力學模型以及同步發電機理論，針對系統產生負阻尼即低頻振蕩的原因，我們提出了一種新的可消除負阻尼現象的勵磁控制策略。
  3. Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations

    根據實驗要求，通過對鋼板達到飽和磁化的必要性進行的分析，設計了符合試驗條件的勵磁磁路，並設計了一套實驗驗證系統；根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點，採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數，給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程，並通過實驗驗證系統驗證了擬合方程的正確性，利用這兩個簡單實用的擬合方程，提出了一種工程定量檢測圓形缺陷的應用方案。
  4. The model of fujian power grid and models of generators, excitation systems, governor systems and loads are established, the tested excitation system models of large hydro and thermal units, the model of wind turbine are established as well in this paper with pss / e, a new software imported from pti of u. s. a. recently. some key points are proposed on data convertion from psasp and bpa to pss / e. the transient and dynamic characteristics between separate excitation system and transformer - fed excitation ( self excitation ) system are compared with pss / e

    本文完成了pss e的福建省電力系統的基本框架以及發電機、勵磁系統、調速系統、負荷的數學模型和參數，實現了大型水、火電廠發電機組勵磁系統實測模型和風電機組的pss e建模，提出了pss e與bpa 、 psasp數據互轉的部分要點，比較了福建電力系統現有大型水、火電廠發電機組它勵與自並勵勵磁方式的動態和暫態性能的差別。
  5. To sustain the voltage of dynaxno stable, we must regulate the excitation all the times, according to the capacty and the quality of load

    要維持同步發電機端電壓為一定水平，就必須根據負載的大小及負載的性質隨時調節同步發電機的勵磁。
  6. In order to sustain the stable output voltage of generator, we must regulate the excitation at any moment according to the capacity and the quality of load

    要維持同步發電機端電壓為一定水平，就必須根據負載的大小及負載的性質隨時調節同步發電機的勵磁。
  7. Some fundamentally influential factors such as systemic structure, the distribution of power flow, effects of excitation system and pss, as well as characteristics of load models, etc, are discussed in detail to study the systemic damping

    隨后從系統結構、潮流分配方式、勵磁系統和電力系統穩定器的作用以及負荷特性等角度，詳細討論了影響互聯系統振蕩模式阻尼的因素，並研究了這些因素的相互作用。
  8. The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too

    而不同容量的負載，以及負載的不同功率因數，對同步發電機勵磁磁場的作用是不同的，對同步發電機的內部阻抗壓降的作用也是不一樣的。
  9. The load is changing when the dynamo is normal. the effect to the dynamo excitation magnetic field is different when the capacity and power factor is different. the intemal anpedance voltage drop is different

    而不同容量的負載，以及負載的不同功率因數，對同步發電機勵磁磁場的反映作用是不同的，對同步發電機的內部阻抗壓降也是不一樣的。
  10. Hydroelectric generating set has two type governing equipment. one is electro - hydraulic governor of turbine which can adjust frequency ( active power ) the other is excitation governor of generator which can adjust voltage ( reactive power ). they work together for meeting the requirements of the voltage and frequency that the electrical power system brings forward to

    水輪發電機組的調節裝置主要有水輪機調速器和發電機勵磁調節器，這兩套調節裝置分別負責電能有功（頻率）及無功（電壓）的調節，以滿足電力系統對電能的頻率及電壓的質量要求。
  11. The controller takes full advantage of the features of ti tms3201f240xa processor, such as high performance processing capabilities, plenty of peripherals on chip and high real time control. by the vital of these features the fast ac sampling, synchronic pulse, digital shift phase trigger pulse, can bus communication, pid control method and excitation limitations are realized. the pretreatment of the switch signals and the test of the shift phase trigger pulses are realized by using the complex programmable device ( cpld )

    該勵磁控制器充分發揮了tms3201f240xadsp處理器的強大的數據運算能力、豐富的片內外設資源和較強實時控制能力，用單片系統結構實現了快速交流采樣，數字同步脈沖形成， can現場總線網路、以及pid控制演算法和各種勵磁限制等功能；用cpld器件實現了開關量抖動預處理和可控硅觸發脈沖遺漏的檢測，減輕了dsp處理器負擔，提高了勵磁控制器可靠性、抗干擾能力和控制能力；使用vc + + 6 . 0開發的基於windows操作系統的勵磁系統調試軟體，人機界面簡潔友好，使用操作靈活方便。
  12. As an application of the proposed method, the excitation control of a three - node power system with nonlinear load is discussed

    作為該演算法的應用，討論了帶有非線性負荷的三節點電力系統的勵磁控制問題，設計了非線性勵磁控制器。
  13. Second, a doubly salient electro - magnetic generator employs two independent channels consisting of two groups three phase windings. the two channels provid power to the same load and output voltage can reach the demand through adjusting the excitation current

    文中還在一臺電勵磁雙凸極發電機的定子上設置兩套3相電樞繞組，實現雙通道發電，通過調節勵磁電流大小使兩發電通道輸出相應的額定電壓，並聯向負載供電。
  14. On - load tap - changer of transformer can work under load, transfer quickly, change one class voltage about 3 - 6 ms each time ; switch can be operated by hand or electrically - driven and distant place operate while being electronic too, easy to realize automatic management ; transfer and keep relatively heavy range is generally more than 15 % ; switch and voltage transformer structure are more complicate than others, make man - hour and material increase, the cost is relatively high

    變壓器的有載調壓能帶負載調壓，調壓速度快，每調換一級電壓約3 6s ；開關可手動、電動操作，也能遠方電動操作，便於實現自動化管理；調壓范圍較大，一般為15以上；開關和變壓器結構比無勵磁調壓的復雜，製造工時和材料增多，成本較高。
  15. Because the dc voltager - stabilized power supply is made of simulate component, its hardware is very complex, and it has other shortcomings, and so on, base on these reasons, we put forward the research : fuzzy control the de - stabilized power supply by single chip micro - comupter

    電站系統主要由直流電源、直流電動機、同步發電機、主配電盤和負載五部分組成。直流電源供電給直流電動機，同時給電動機的勵磁電路供電，通過手動調節實現調磁調速。
  16. Some key parameters to affect hepmg performance are studied and some design rules are given. the principle of load distribution and estimate calculation of permanent magnet and electrical exciting are given. methods of improving the power density and weakening aberration rate of sine wave are research

    對影響hepmg性能的關鍵參數進行了計算研究，總結了參數設計規律；提出了hepmg中永磁體和電勵磁的負荷分配原則並給出了估算方法；分析了提高hepmg功率密度和降低電動勢波形正弦畸變率的措施。
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