catenary line 中文意思是什麼
catenary line
解釋
鏈線-
Through the illustration of the short - circuit test method and through the analysis on final data of the catenary line for dc traction system of shenzhen metro vehicles, it is shown both the set values for the short - circuit calculation and the equipment selection are correct
通過對深圳地鐵直流牽引系統接觸網短路試驗方法的闡述及最終數據的分析，表明短路計算整定值和設備選擇的正確性。 -
In this paper, the fundamentals of cable forces by frequency method are introduced. the curve fitting method is utilized to get the correcting formula of cable forces and frequency through the experiment. on the other hand, a kind of catenary line cable element is introduced in this paper, owing to the inaccuracy caused by correcting struss element in fem
本文還介紹了頻率法測索力的基本原理，並通過試驗，利用曲線擬合法得出索力頻率之間的修正關系式；其次，由於有限元計算中，索元所採用的修正桿元所帶來的不精確性，對于長索其精度更難保證，因此，本文介紹了一種計算精度高、工作量小的懸鏈線索元。 -
To ensure that the electrical locomotive would operate safely, it is important to inspect the overhead catenary line periodically and keep catenary system in good condition. at present, the catenary testing car is an intelligent testing equipment in electrified railway
接觸網檢測車是目前電氣化鐵路最常用的智能檢測設施，其數據處理系統利用微型計算機對接觸網的幾何參數、電氣參數進行自動化檢測的重要設施。 -
The main contents about calculation of cable curve for suspension bridges are as follows : firstly, parabola theory, a traditional calculation theory of linetype for suspension bridge, is introduced. according to behavior of suspension bridge, segmental catenary theory which is an exact calculation theory of cable curve for suspension bridges is then built. after that, the errors and adaptable range of segmental parabola theory, segmental straight - line theory and traditional parabola theory are compared one another
懸索橋線形計算部分的主要內容如下：首先，介紹了懸索橋的傳統線形計算理論? ?拋物線理論；根據懸索橋的特徵，建立了懸索橋主纜線形計算的精確理論? ?分段懸鏈線理論；並由此比較了分段拋物線法、分段直線法及傳統拋物線理論的誤差和適用范圍；分析了索長變化、跨度變化及主纜變形引起的恆載重分佈對主纜線形的影響。 -
With an introduction of the causation and solution to the height difference between double contact wires in auto - tensioned simple catenary system adopted by shanghai urban rail transit pearl line, the author presents some practical measures which are to be taken as reference for the professionals
摘要介紹上海市軌道交通明珠線接觸網工程雙承力索、雙接觸線全補償簡單鏈形懸掛方式中，雙接觸線不等高形成的原因及解決方案。
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