power system stability 中文意思是什麼

power system stability 解釋
電力系統穩定度
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  • stability : n. 1. 穩定,穩定性,穩度。2. (船等的)復原力。3. 鞏固;堅定,持久不變。
  1. Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit

    電力負荷預測是供電部門的重要工作之一,準確的負荷預測,可以經濟合理地安排電網內部發電機的啟停,保持電網運行的安全穩定性,減少不必要的旋轉儲備容量,合理安排機組檢修計劃,保證社會的正常生產和生活,有效地降低發電成本,提高經濟效益和社會效益。
  2. But with wind power capacity enlarging constantly and stochastic and incontrollable wind energy, wind asynchronous generator " s frequent startup will take inverse impact to wind power system stability, which is one of the most important restricting factor on wind power " s large - scale development

    然而,隨著風電裝機容量的不斷擴大,風能的隨機性和不可控性,使得相對頻繁起動的風力異步發電機,對風電系統穩定性的影響也愈來愈大,成為制約風力發電規模發展的主要因素之一。
  3. The influence of pss on transient power system stability

    對電力系統暫態穩定的影響分析
  4. With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator

    提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. This method incarnates a new ideologies of measurement based and process oriented in power system calculation, and can improve the veracity and adaptability of transient stability analysis

    該方法不僅體現了「基於測量,面向過程」的電力系統計算思想,而且對于提高暫態穩定計算的準確性與適應性具有重要意義。
  7. So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings

    因此,合理地選擇阻尼器的參數以降低儲能是改善cvt瞬變響應特性的有效途徑,這對于提高超高壓輸變電系統的動態穩定性,增大輸送容量,保證電力系統安全可靠運行具有重要的技術經濟意義。
  8. So the cure is right or not that still plays an important role in power system stability control

    因此策略正確與否在電力系統穩定控制中仍將起重要作用。
  9. Power system stability control device

    電力系統穩定控制裝置
  10. Bergen a r, hill d j. a structure preserving model for power system stability analysis. ieee trans. on pas, 1981

    傅書逖,倪以信,薛禹勝.直接法穩定分析[ m ] .北京:中國電力出版社
  11. This paper introduces the types of hvdc faults and the causes of hvdc pole blocking and analyzes the effects of hvdc pole blocking on power system stability, taking some hvdc projects for example and highlighting gaopo - zhaoqing hvdc project

    介紹了直流故障的類型和直流閉鎖的原因,重點以高肇直流輸電系統為例分析了直流閉鎖對電力系統穩定的影響。
  12. Recommended practice for excitation system models for power system stability studies

    動力系統穩定性研究用勵磁系統模型推薦規程
  13. Evaluation rules of protection equipment and power system stability control devices

    電力系統繼電保護及安全自動裝置運行評價規程
  14. So the cure table still plays an important role in power system stability control

    因此策略表在電力系統穩定控制中仍將起重要作用。
  15. So the cure table still plays an important role in the power system stability control

    因此策略表在電力系統穩定控制中仍將起重要作用。
  16. Abstract : generator power angle is very important in the study of power system stability

    文摘:功角在電力系統穩定問題的研究中佔用特別重要的地位。
  17. Guide for synchronous generator modeling practices and applications in power system stability analyses

    電源系統穩定性分析中同步發電機建模規程和應用指南
  18. In the paper we introduced the origination of the problem of power system stability and its principle mathematic analysis method. then the effect to the stability of power system by excitation system is illuminated in detail

    文中介紹了電力系統穩定性問題的由來及其基本數學分析方法,詳細闡述了發電機勵磁調節對電力系統穩定性的影響。
  19. Through the introduction of the gaopo - zhaoqing hvdc stability control system, which is the key of the stability control system for china southern power grid, the importance of the research of hvdc pole blocking criteria and that of power system stability control related with pole blocking are further explained

    通過介紹作為目前南方電網安全穩控系統核心部分的高肇直流安全穩定控制系統,進一步闡述了直流閉鎖判據及直流閉鎖后穩定控制的研究的重要性。
  20. The results show that occurrence of the single or double pole block on the dc lines, or short - circuit faults on the dc or ac lines will not influence seriously on power system stability

    模擬結果表明:當南橋、華新換流站發生直流輸電單雙極閉鎖以及交、直流側短路故障時,不會給系統帶來穩定問題。
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