諧變壓力 的英文怎麼說

中文拼音 [xiébiàn]
諧變壓力 英文
harmonically varying pressure
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是,由於電系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在,供電網中的電流(電)發生畸,產生大量波。
  2. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充氣為0 . 9mpa的條件下,該熱聲發動機最大比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和理論分析均表明系統的工作頻率為25hz左右,實驗裝置的波比例非常小,且也沒發現頻率跳等現象。
  3. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特有的「電源波」特性,深入分析了濾波器方案,得到了一種適用於acem系統波抑制的串聯混合型有源電濾波器優化拓撲結構,並採用了pwm調制技術、中頻注入器和磁勢補償原理有效地解決了串聯apf中低頻波功率補償信號傳輸的難題。
  4. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯振分析和並聯振分析,並結合測試數據和有關電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次波電流被放大。針對這些導致湯陰電站補償電容器故障的原因,提出了相應的波治理措施,包括針對湯6c電容器5次波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c波承受能的措施;針對# 2側7次和9次波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  5. Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably

    Ckdk型串聯電抗器,適用於6 63 kv電系統中,與並聯電容器相串聯,用以抑制電網電波形畸,從而改電網質量和保證電系統安全運行抑制流過電容器組的波電流和限制合閘涌流,從而保護電容器的安全可靠運行。
  6. Dry - type air - cored series reactor is applied to ac power sys - tem with rated voltage of 6kv 10kv 35kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation

    乾式空芯串聯電抗器適用於6kv 10kv 35kv電系統中與並聯電容器組串聯,用於抑制電網電波形畸,從而改善電網質量和保證電系統安全運行,抑制流過電容器組的波電流和限制合閘涌流,從而保護電容器使之安全運行。
  7. The device has more advantage than traditional adjustable ac high voltage design. it adopts adjustable method to make adjustable series resonance even easier and the change extend of tested much wider. it is fit to test the majority of electricity system design

    該裝置與傳統的調感式交流高電裝置相比具有更多優點,採用調頻方法使調節振更容易,被試品的化范圍可以更大,適合大多數電系統裝置的試驗。
  8. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用頻輥道電機的設計進行了系統研究。首先對頻器和頻輥道電機的運行特性進行詳細分析,頻器輸出的電波形波大,沖擊大,電上升率高達6600v / s ,是普通正弦交流電的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能要求較高。
  9. This paper deduced the harmonic parameter models of electrical transformers, generators, transmission lines and electrical loads in detail

    本文較為詳細的推導了電器、發電機、輸電線路、電系統負荷等的波參數模型。
  10. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電機車的傳動特點,對其中的牽引器的工作狀態進行了分析,指出交流傳動電機車用牽引器設計時需考慮的牽引繞組的短路阻抗大、電流的高次波、網波動大可能引起的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。
  11. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有:本文根據biot平面動固結方程,運用積分換和矩陣傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡振動荷載時,任意點應(包括孔) 、位移(包括流體流量)的一般積分形式解。
  12. Harmonics, reactive power, voltage flicker and negative - sequence current of power grids can affect the power quality and harm the power equipment badly

    摘要電網中存在波、無功、電及負序電流等問題,嚴重影響電能質量,危害電設備。
  13. This paper discussed the harmonic sources and how they produce harmonic in detailed, such as generator, transformer, power electronics apparatus and others

    本文較為詳細的討論了發電機、器以及電電子器件等一些波源,對其產生波的機理作了一定的描述。
  14. A microstructure resonant pressure sensor measures applied pressure by detecting change of resonant frequency of its mechanical resonator. the sensor is characterized by its very small size, high accuracy, excellent stability and convenient interfacing with digital electronics, showing broad application prospects

    微結構振式傳感器是通過檢測其機械振器振頻率的化來實現測量,特點是尺寸小,精度高,穩定性好,易與數字電路介面,具有廣闊的應用前景。
  15. Based on the analysis of the paper, we can draw the conclusion that this device has several issues to be solved to put into use, such as low filtering capacity, large bulk and area the device occupies, complexity of connection, and the hazard of ferro - resonance existing when switching without disconnecting the circuit of the step - up transformer

    經過分析發現,這種補償方案存在一些問題,如濾波能低,補償裝置體積大,佔地面積多,接線復雜;並且如果在投切過程中不將升器高側迴路斷開,存在著發生鐵磁振的危險。
  16. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰電站的波主要來自電牽引負荷,本文列舉了電機車幾種主要車型的結構以及它們產生波的概況,得出了電機車的各次波電流幅值和相角具有較大分散性的特點。針對湯陰牽引電站的牽引器,分析了阻抗匹配平衡器的結構及其高側注入電網的波,推導了有關計算公式。通過理論分析並結合湯牽線的實測波數據,歸納了電牽引負荷注入湯陰電站的波的特點。
  17. ( 3 ) the frequency may transit from the second harmonic oscillating frequency to the third one when the hot temperature is higher than the specific temperature and the pressure is higher than the specific pressure

    在實驗中發現,在一定的加熱溫度和工作下,系統的自激振蕩的頻率從第二振頻率跳到第三振頻率。
  18. The fast development of power system has made it more and more imperative to measure transient parameters, such as over voltage test, trial engagement test of switches, reactors and transformers, harmonics elimination test of arc elimination coils and trial operation of high voltage transmission lines

    隨著電系統的飛速發展,對于暫態參數的測量需求越來越迫切,例如:過電試驗;開關、電抗器、器投切試驗、消弧線圈消試驗、高線路的試投等。
  19. Resonant devices are used to measure strain, stress, acceleration, pressure, mass, flow, etc. by detecting the change of the resonant frequency or amplitude of the resonant components

    振器件通過檢測振動元件的振頻率或振幅的化來測量應、應、加速度、、質量化以及流量等,廣泛應用於學量傳感器中。
  20. The tunable optical characteristics of the novel lpfgs are recognized during the study of their optical characteristics : ( 1 ). the relationship between the resonant amplitude and the applied curvature radius in the bend - sensitive orientation of the novel lpfgs is linear, ( 2 ). the relationship between the resonant amplitude and the applied transverse load in the wavelength - insensitive orientation of the novel lpfgs is linear, ( 3 ). the relationship between the resonant wavelength shift of the novel lpfgs and the applied temperature is linear

    在對新型長周期光纖光柵光學特性的研究中,我們發現了新型長周期光纖光柵的一些獨特的可調性:新型長周期光纖光柵的振峰幅度和彎曲敏感方向所受的彎曲率呈線性關系;新型長周期光纖光柵在波長不敏感方向其振峰幅度和它所受的橫向呈線性關系;長周期光纖光柵的振峰中心波長隨溫度的化呈線性關系。
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