振蕩電阻 的英文怎麼說

中文拼音 [zhèndàngdiàn]
振蕩電阻 英文
timing resistor
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
  1. Torsional interaction exists between hvdc converters and turbine - generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine - generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency

    高壓直流輸( high - voltage - direct - current - - - - hvdc )系統與臨近同步發機組之間存在著扭相互作用, hvdc的氣負尼作用有可能引起機組在次同步頻率范圍的扭轉
  2. Bai shi new development over the years, the company ' s products are mainly trade sales world - renowned brands ; has formed a production and supply of quartz crystal and ceramic capacitors, thick film resistors based serial production lines. main products include : plug posted quartz crystal surface, the surface of quartz crystals and crystal oscillators, posted plug surface, quartz oscillator vco, stickers and vco plug - round version of ceramic capacitors and vertical and horizontal layer ceramic capacitors, chip resistors and resistor ranked / exclusion order and capacitance / second polar body / mixed network

    新佰仕經過多年的發展,公司貿易的產品主要銷售世界知名品牌子元器件;現已形成了以生產及供應石英晶體?陶瓷容器?厚膜器為主的系列化產品生產線,主要產品包括:表面貼石英晶體?插件石英晶體?表面貼石英器?插件石英器?表面貼壓控器?插件壓控器?圓版型陶瓷容?立式與臥式積層陶瓷容?排列器?晶元/排?排列容/二極體/混合網路。
  3. The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper

    在理論計算的基礎上還進行了實驗研究,在不停機的條件下,通過被動式尼器成功地在線消除了系統的油膜
  4. Modelling method research of rlc damping - oscillatory ircuits based on matlab7

    路建模方法研究
  5. The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology

    本文還對差分延遲結構環形壓控路進行了深入的分析與研究,並提出了一種基於高質量路的主從差分延遲結構環形壓控器,其採用了一種新型的主從差分延遲結構,並用一個更有效、更穩定的負載路結構來替代vco設計常使用的單個mos管結構,使其系統穩定性有了相應提高。
  6. It follows that with the voltage on, the losses are high, so oscillation is prevented.

    由此可見,加上壓后,損耗增大,因此受到止。
  7. According to these theories we know the reason of the emergence of low frequency oscillation is lacking positive damping even appearing negative damping. this problem can be classified as dynamic stability

    從而得出,力系統低頻是由於系統正尼不足甚至產生負尼而引起的,可以將其歸類為動態穩定問題。
  8. 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機暫態的動力學模型以及同步發機理論,針對系統產生負尼即低頻的原因,我們提出了一種新的可消除負尼現象的勵磁控制策略。
  9. On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk. based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel

    研究表明,系統整流站附近的同步發機組要承受氣負尼作用,因此有可能引起機組低頻扭轉模式失穩;而hvdc的逆變站向其臨近同步發機組提供正尼,因而機組不存在次同步危險。
  10. The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different

    其中,並列運行的無串補交流輸線路可以緩解hvdc與其臨近機組之間的機耦合程度,改善hvdc的氣負尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步的危險性,此時系統的整體尼特性由hvdc的性質決定;但若交流線路中存在串聯補償容,則系統幅值較大的氣負尼不僅可能使整流站機組發生次同步,逆變站附近機組同樣存在發生次同步的可能性,此時系統的整體尼特性由串聯補償容的性質決定。
  11. Electromagnetic compatibility - testing and measurement techniques - damped oscillatory magnetic field immunity test

    磁兼容試驗和測量技術磁場抗擾度試驗
  12. Electromagnetic compatibility - part 4 - 10 : testing and measurement techniques - damped oscillatory magnetic field immunity test

    磁兼容性.第4 - 10部分:試驗和測量技術.磁場抗擾性試驗
  13. Emc electromagnetic compatibility - testing and measurement techniques - damped oscillatory magnetic field immunity test - basic emc publication

    磁兼容性.第4部分:試驗和測量方法.第10節:磁場抗擾試驗.基本磁兼容性
  14. Emc electromagnetic compatibility ; part 4 : testing and measurement techniques ; section 10 : damped oscillatory magnetic field immunity test ; basic emc publication

    磁兼容性.第4部分:試驗和測量方法.第10節:磁場抗擾試驗.基本磁兼容性
  15. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸系統( facts )控制器之一,如果在常規條件下,用upfc實現輸線路的壓調節、移相、潮流控制、等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序流,用upfc的串補來提高輸線的傳輸功率,以實現兩相長期運行,那麼輸系統的穩定性、可靠性將大大提高。
  16. Design of supplemental sub - synchronous oscillation damping control based on h robust control theory of hvdc system

    魯棒控制理論的高壓直流輸系統附加次同步尼控制設計
  17. Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system

    文摘:研製了一臺高凸極比的兩極ala轉子磁同步動機,實驗研究了機的開環運行特性,研究結果表明機開環運行時存在一個比較嚴重的低頻,這個發生在源頻率略大於機的自然頻率后的某一頻段,且會導致機失去同步
  18. When this fault is cutted off and the breaker is reclosed, this scheme ca n ' t start by mistake. the availability of this scheme is proved with matlab test. the single phase high - impedance grounding fault is settled properly

    Matlab模擬分析證明了該方案耐受過渡的能力強,在故障切除和重合閘時不會因出現的暫態信號而誤啟動,不受系統、頻率偏差的影響,克服了常規保護靈敏度不足的缺點,較好地解決了單相高接地故障的難題。
  19. In order to deal with oscillation and fault resistance, the paper presents a new method of adaptive distance relay protection based the above relay protection

    同時對系統和過渡對保護的影響進行了研究,提出了一種自適應距離保護模型。
  20. By means of eigen - analysis, this paper presented the careful research for the damping characteristic of low frequency oscillation in power system

    本文基於特徵值分析法,對力系統低頻尼特性問題進行了深入的研究。
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