接地針 的英文怎麼說
中文拼音 [jiēdezhēn]
接地針
英文
earth pinpiston-
For the instrument system, we introduce effective steps and technique of screen or grounding screen that can restrain the great mass of interference
針對儀表系統，介紹了能有效抑制絕大部分類型干擾的屏蔽和屏蔽接地措施和技術。But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs
針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。An external lightning protection system ( lps ) means, to me, that lightning rods, related cabling and a building grounding method are already in place
按我的理解，外部雷擊防護系統（ lps ）所指的是已經在位的避雷針、相關的引線導體及建築物的接地方式。Mjc : an external lightning protection system ( lps ) means, to me, that lightning rods, related cabling and a building grounding method are already in place
按我的理解，外部雷擊防護系統（ lps ）所指的是已經在位的避雷針、相關的引線導體及建築物的接地方式。This paper presents the way to configurate the distribution transformer, and the setting method for the stator earth fault protection with the example of hubei tiantang pump - storage power plant
針對配電變壓器裝置提供了一套較完整的配置和整定計算方法，並結合湖北天堂抽水蓄能電站的實例進行計算， ?此類接地方式提供了可借鑒的方法。To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed
針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題，通過分析單相接地故障后機端和中性點零序電壓的變化特點，提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案，並實現定子繞組的100 %保護。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic
本文針對小電流接地系統選線的問題，從軟體演算法的角度進行了研究，主要內容如下：對小電流接地系統故障前和故障后系統的運行特點進行了分析，並且對小電流接地系統發生單相接地故障后，故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析，找到了故障的規律以及其故障信號的表現形式，為對各種演算法的分析比較打下了基礎。This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained
利用單探針和雙探針診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度，得到這兩個參數在反應室軸向位置的空間分佈、隨功率和氣壓的變化曲線、頂蓋接地和反應室體積對它們的影響，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，電子溫度在4 10ev之間；當頂蓋接地時，該處的等離子體密度明顯大於不接地；在同樣條件下， 50mm高反應室內的離子密度明顯大於30mm高反應室。For inoculation of an agar deep tube, a straight needle is inserted to the bottom of the tube in a straight line and rapidly withdrawn along the line of insertion
在接種試管深層培養基時，一支直的接菌針直線地穿刺到試管的底部，同時快速地沿著接種線抽出。Researches on the theory and practical application of ground equipments electrical - magnet compatibility and ground connection requirement are given in this paper, which based on the gjb1695 - 93 and theory of ground connection technology, aimed at the problems of ground connection of test equipments and bad electrical - magnet compatibility of power supply and distribution in aerospace experiments. 0
本文根據gjb1695 - 93航天系統地面設施電磁兼容性和接地要求，以接地、配電技術有關理論為依據，針對長期困擾航天試驗中試驗設施接地系統和供配電制式存在的電磁兼容性差問題，為滿足測試試驗要求進行了理論與實際應用研究。In connection with the situation of application of hook type earthing resistance meter in the transmission division of yichang power supply bureau, taking account of the principle and the environmental requirement of measurement, the problems in application were proposed and analyzed as well. according to the different grounding structure of lightning protection for overhead transmission lines, the proper measuring method was suggested
針對宜昌供電局輸電分局鉤式接地電阻計使用情況，通過運用該表接地測量原理和適用條件，分析並提出使用中存在的問題；對架空送電線路防雷接地構造差異情況，提出正確的測量方法。This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved
針對小接地電流系統單相接地保護的運行進行了論述，並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點，建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置，以適應綜合自動化和現代化管理的需要，確保系統經濟、可靠、安全、穩定運行。The method of indirectly measuring force exerted on ground by bucket is used to check cantilever bucket - wheel stacker / reclaimer counter - weight, working out the hydraulic cylinder force to determine the force exerted on ground by bucket and thus counterweight value
摘要針對懸臂斗輪堆取料機配重的校核提出了1種間接測定接地力的方法，即通過懸臂升降液壓缸上下油腔壓力計算出液壓缸受力，進一步推算出堆取料機的接地力，從而確定配重安裝量。Fluid power systems and components - two - pin electrical plug connectors with earth contact - characteristics and requirements
液壓動力系統和元件.帶接地的兩針電插頭連接器.特性和要求Fluid power systems and components - three - pin electrical plug connectors with earth contact - characteristics and requirements
液壓動力系統和元件.帶接地的三針電插頭連接器.特性和要求Have studied generator ground model mostly used in detail for middle and big domestic generator units. calculates and deduces fault current as grounding of single phase and third harmonic fault protection schemes. first time contributes overall knowledge about generator neutral grounding of distribution transformer with secondary resistor, in which considered inductance of the transformer to people
針對大中型發電機的兩種主要接地方式進行了分析，進行了接地故障電流、三次諧波保護的計算推導，首次在接地變高阻接地方式有關公式推導中計入接地變感抗，從而使人們對接地變高阻接地認識更為全面。Based on a yield function put forward by zhou weixian, pure shear yield curves can be obtained indirectly using six simple compression experiments, when pure shear experiments can ' t be finished
基於周維賢提出的屈服函數，針對無法進行純剪切試驗的情況，可以採用六個簡單壓縮試驗間接地確定純剪切屈服曲線。This thesis mainly introduce a development process of mis of steel tube enterprise producing. a universal mis of adapting to our country middle and small producing enterprise is developed in accordance with the practical situations of our country producing enterprise. the structure and developing method of the mis are analyzed, followed by the introduction of the development process in stages. the system development abides strictly by the requirements of software engineering, with all the files standard and complete. during the process of the development, we took into consideration practicality as well as scientific principles. the system is development under a quick prototype method. first, the logic module of the system is established through the analysis of the business flow process and the information flow concerning productive enterprise of steel tube ; secondly, in light of the module, the system is set up including the design of the system ' s network platform, developing tools, database, system code, software modules, system security, user ' s interface and so on. finally, the prototype of the system is implemented on the basis of the design
文中首先分析了管理信息系統的開發方法和體系結構，然後分階段地介紹了具體的開發過程。該系統的開發嚴格遵守軟體工程的要求，文檔規范完善，在開發過程中堅持實用性和科學性相結合的原則。系統採用快速原型法進行開發，首先通過對鋼管生產企業業務流程和數據流程的分析，建立了系統的邏輯模型；接著針對該模型進行系統設計，包括對系統的網路平臺、開發工具、數據庫、編碼、軟體模塊、系統安全及用戶界面等方面的設計；然後在設計的基礎上實現了系統原型；通過對原型的評價和改進，使原型最終成為實際產品。A value indicating that the pre - fixup contents of memory are a pointer rather than a section offset
一個值，該值指示鏈接地址前的內存內容是一個指針而不是段偏移量。分享友人