torsional oscillation 中文意思是什麼
torsional oscillation
解釋
扭振- torsional : adj. 扭的，扭轉的。
- oscillation : n. 1. 【物理學】振蕩，擺動，振動；振幅。2. 動搖，猶豫，仿徨。3. 蹣跚。4. 【無線電】發雜音。
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Assuming the blades conduct a planar simple harmonic motion, the flows in vibrating cascades in the case of different oscillating amplitudes, different reduced frequencies and different torsional centers are computed respectively for two blade profiles. according to comparing flow calculations at different oscillation modes, the influence of the oscillation parameters " selection on aeroelastic performances of cascades is analyzed
假定葉片做平面簡諧運動，針對兩種葉型分別計算了不同振動幅度、摺合頻率及扭心位置時的振動葉柵流場，根據各種振型下流場計算結果的比較，分析了振動參數選取對葉柵氣動彈性性能的影響。 -
Magnetoelectricity gear method is a general torsional oscillation measurement method. it has disadvantages on less measure point and improved - needed dynamic characteristic. in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography
現行的扭振測量方法以磁電式齒輪測量法為主，這種方法存在測點少，動態特性有待提高的缺點，就此本文提出了一種基於高速ccd （ chargecoupleddevice ）攝像技術的汽輪發電機組軸系扭振測量的新方法。 -
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
高壓直流輸電（ high - voltage - direct - current - - - - hvdc ）系統與臨近同步發電機組之間存在著扭振相互作用， hvdc的電氣負阻尼作用有可能引起機組在次同步頻率范圍的扭轉振蕩。 -
This paper makes an overview of the reasons, corresponding analysis methods and countermeasures for shaft torsional oscillation
本文對機電耦合引發振蕩的原因以及研究方法和抑制措施進行了總結。 -
With the development of the electric power industry, the capacitance of a turbo - generator has increasingly become larger, which risk the torsional oscillation in the flexible shaft system of large turbine - generators. the problem of shaft torsional oscillation has become the key technology need to be solved urgently in the development of large power system and unit
隨著電力工業的發展，汽輪發電機組的單機容量正日益大型化，導致機組軸系扭轉振動的危害性日益突出，軸系扭振問題已成為發展大電網和大機組所急需解決的關鍵技術問題。 -
At last, an application system was designed for ccd torsional oscillation measurement method
最後，針對ccd扭振測量法的實際應用，設計了應用系統。 -
The design of image fountain signal, imaging technique and data processing are three key technologies to carry out ccd torsional oscillation measurement method
要實現ccd扭振測量法，涉及到圖像源信號的設計、成像技術和數據處理三項關鍵技術。 -
Ccd torsional oscillation measurement method is based on image technology. by taking photo of shaft by ccd camera, acquire the image signal, and then extract the torsional oscillation information from it using data processing arithmetic
Ccd扭振測量法是一種基於圖像技術的方法，利用ccd相機對軸進行拍照，得到含有扭振信息的圖像信號。 -
The main research is how to control and long term monitor the shaft torsional oscillation. the measurement technique of torsional oscillation is an important link of torsional oscillation control and monitor system and a basement to carry out the corresponding method
扭振研究的主要內容是如何實現對軸系扭振的控制及長期監測，而扭振的測量技術又是扭振控制和監測系統的重要環節，是扭振控制與監測手段付諸實踐的基礎。 -
The torsional interaction from the electrical couplings among the generating sets is presented and the influence of the natural torsional frequency of the generating sets on the torsional oscillation characteristics is described. the torsional dynamics between identical parallel turbine - generators are deduced as well as that between non - identical parallel turbine - generators. then the basic principle of equivalent simplification of generating units for different operational condition is summarized
（ 2 ）介紹了多機電力系統機組間電氣耦合對軸系扭振特性的影響，以及機組自然頻率與機組扭振相互作用的關系，並對復雜系統中並列運行的相同發電機和不同發電機間的扭振相互作用進行了分析，歸納了不同運行條件下機組等值簡化的基本原則。
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