輸電線塔 的英文怎麼說
中文拼音 [shūdiànxiàntǎ]
輸電線塔
英文
electric power pylon-
The impact of catastrophic winds such as typhoon, downburst, and tornado on transmission lines is introduced, including collapse of transmission towers
重點介紹了臺風、颮線風、龍卷風等強風暴下輸電線路所受的影響以及輸電塔倒塌等情況。Calculation of electric field distribution near ehv power towers
超高壓輸電線路鐵塔附近的三維工頻電場計算Scheme selection of holding poles erection for ehv transmission towers
特高壓輸電線路鐵塔組立抱桿的方案選擇Various factors that influence lightning strike switching rate are also analyzed. it has been showed that for some given configuration, all lightning over - voltages on substation equipments do not exceed the 1ightning strike insulation level in the case of invading waves out of lightning strike aerial input protection line
同時利用規程法、行波法、擊距法對輸電線路中不同桿塔型號的耐雷性能分別進行了研究和比較，對影響輸電線路雷擊跳閘率的各種因素進行了分析。That specialty is that high is greater than dimension of cross section. at present, tv tower, transmit electricity line tower tower used transmission signal of microwave navigation tower were build stampedely
目前，電視塔、輸電線路塔、微波信號傳輸塔、導航塔等各種適應工程應用的塔架蜂擁而起，使得塔架結構的研究被提上日程。Cable - strut mixed finite element method for transmission systems
輸電塔線體系的索桿混合有限元法In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity
隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。During the three decades lately, a number of experimental study used to resist horizontal and vertical loads of spread foundations are carried out worldwide
近三十年來，國內外對承受水平和鉛直荷載的輸電線路桿塔基礎進行了大量卓有成效的試驗研究。In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained
本論文研究開發的輸電鐵塔獨立基礎優化設計cad系統，以最小費用為目標，採用簡單、有效、易於編程的有約束非線性規劃方法? ?網格搜索法，對輸電鐵塔獨立基礎進行優化設計，確定出基礎埋深、基柱寬度、底板寬度、底板厚度等合理截面尺寸，並開發出計算、出圖一體化的優化設計計算機輔助設計系統。Meanwhile it can filter the waveform and gather the envelope and calculation the current peak and max steepness of lightning by length of erased magnetic record. thirdly we need analyze the difference of length of erased magnetic record between kinds magnetic tape or pre - recorded sine wave on magnetic tape, and finding the min and max lightning current that can be recorded by magnetic tape. then we confirm the type of the magnetic tapes and the way of installing which fit to the line towers
同時對該波形進行濾波消噪，提取包絡線計算磁帶消磁長度和雷電流峰值及最大陡度第三部分根據mtlcd得出的數據分析不同雷電流通道下不同磁帶、不同預錄正弦波消磁長度的差異及磁帶可以記錄的最小雷電流和最大雷電流，找到可以在輸電鐵塔角鋼上安裝使用的磁帶及其放置方式。Transmission line tower - technical reguirements for manufacturing
輸電線路鐵塔製造技術條件Lectotype of distributing control system in project design
輸電線路自立塔基礎選型程序化探索Hunan electric power line equipment & materials factory was found at 1958, meanwhile belong to hunan electric power bureau, and now is a company of hunan electric power company. the staple are iron tower used under 500kv electric power transmission line and microwave communication, cement pole and electric fitting
湖南電力線路器材廠成立於1958年，當時隸屬于湖南省機電工業局，幾經變遷現為湖南省電力公司全資子公司，主要產品為500kv及以下輸電線路和微波通訊鐵塔、水泥電桿、電力金具。Tower structure is widely used in the power transmission, and the project of radio communication and radio broadcast tower structure has abundance kinds, the development of the cad system for tower structure, not only gets the attention of the large scale software developer, but also has better market prospect
塔架結構被廣泛應用於輸電線路、無線電通訊及無線電廣播事業中。其結構形式豐富，設計經驗也較成熟。其結構計算機輔助設計的開發，不僅引起了許多大型軟體開發商的關注，而且具有相當好的市場前景。Cold forging hot dip galvanizing bolt and nut for tower and hardware of transmission lines
輸電線路鐵塔及電力金具緊固用冷鐓熱浸鍍鋅螺栓與螺母It is importance to accurately conform the wave impedance of tower, when the wave impedance of tower change sign 10 percent independently, the back stroking rate of transmission line will change sign 20 percent accordingly
正確確定桿塔的波阻抗是很重要的，當桿塔的波阻抗獨立地變化10 %時，輸電線路的反擊跳閘率將相應地變化約20 % 。Transmission line design is a complex system project with large investment. based on data provided by digital transmission network, and combined with the genetic algorithm, the thesis puts forward a general optimization method to deal with the difficulties in transmission line design, which are path and pole selection of the transmission line. synthetically contemplating all kinds of environmental and anthropogenic factors, the method has great pragmatic meaning in saving cost of design
輸電線路設計是一項投資巨大且相關因素復雜的系統工程，本文基於「數字輸電網路」提供的信息數據，結合遺傳演算法，對線路設計中的難點? ?路徑選擇和桿塔定位提出了全新的全局優化方法，該方法綜合地考慮了各種環境及人為因素，對節約設計成本、提高設計工作的科學性具有很大的現實意義。This paper takes landform of transmission line aisle and spanning instance into account with reason, establishes the model of light striking to the tower and transmission line by wave transmitting on power line
在計算中，本文合理考慮了輸電線路走廊的地形、線路的架設情況，根據行波法原理，建立了雷擊輸電線路桿塔的行波法計算模型。New tower model in calculation of lightning protection on transmission line
輸電線路防雷計算中的新桿塔模型The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line
本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離，而把所有影響線路參數變化的因素當作一個整體，全部歸為參數的變化，這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點，且不需要再增加新的硬體投入。分享友人