接點電阻 的英文怎麼說
中文拼音 [jiēdiǎndiànzǔ]
接點電阻
英文
contact resistance- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 接點 : (接觸點; 連接點) contact; closing; junction; connection point; terminal pad接點電阻 contact resistance
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
-
If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential
如果被保護的節點的電位是(或接近)零電位,採用地線保護環最為合適;如果節點電位是其他值,那麼可以用高輸入阻抗放大器組成緩沖器,輸入端連接該節點,輸出端連接保護環。Welding and allied techniques. resistance spot, projection and seam welded lap joints. tension shear tests
焊接及相關技術.電阻點焊凸焊和滾焊搭接接頭Tin soldering method is to solder neon lamp with tin material to connect the resister or lead wire. it is easy to connect and disconnect them
錫焊接氖燈是把氖燈和電阻或導司絲通過錫焊連接起來,優點是容易連接和分離。Electrical contact is maintained between the wiper and resistance element.
滑臂與電阻器之間形成一個電接觸點。In order to improve process quality and increase probability, we optimize ohm contact resistance and breakdown voltage of devices by adjusting process conditions. finally, dc - 500mhz midf switch is fabricated, in which some important conclusions and suggestions are introduced
工藝研究的重點是改進工藝質量,提高成品率,為此我們通過調整工藝條件來優化歐姆接觸電阻和提高器件的擊穿電壓。Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。Specification for neutral - to - earth resistance in distrbution system
配電系統中性點接地電阻器Because of the large scale of the p / g routing network in the memory chip layout, general linear equation group resolving algorithms for calculating the equivalent resistance between the nodes cannot satisfy the restrict of both memory space and running time simultaneously
摘要由於存儲晶元版圖p / g網規模的巨大,對于計算電阻網路中節點間等效電阻問題,直接利用常規線性方程組求解演算法無法同時滿足內存空間與運行時間上的限制。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。The resistivity of the films drops compared with the as - grown films, but the temperature of maximum magnetoresistance reaches 287k, very close to the room temperature. therefore it is not only an important improvement to fabricate the cmr bolometer which can work near room temperature, but also a prospective research for other applications such as magnetic - sensors, spintronics devices and infrared detectors
同時,退火后薄膜的電阻率明顯下降,外加5t磁場時,最大磁電阻率溫度點上升到287k ,接近於室溫,這不僅為製作室溫超巨磁電阻測輻射熱儀打下了堅實的基礎,也為其它許多器件的應用提供了可能。Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance
選取chaari小波為母小波,利用其特殊的帶通特性,對在公共連接點( pcc )采樣得到的電壓,電流畸變波形進行同步分層, 「突出」信號的畸變部分,提高了被分析信號的「信噪比」 ,以利於諧波阻抗估計準確度的提高。Measuring method for contact resistance of precious metal electrical contact materials
貴金屬電觸點材料接觸電阻的測量方法Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection welds
電阻點焊滾焊和浮凸焊接機械剝離試驗的程序和樣品尺寸Resistance spot welding - destructive tests of welds - method for the fatigue testing of spot welded joints
電阻點焊.焊接有損試驗.點焊接頭的疲勞試驗方法Resistance spot welding - destructive tests of welds - method for the fatigue testing of spot welded joints iso 14324 : 2003 ; german version en iso 14324 : 2003
電阻點焊.焊接的有損檢驗.點焊接頭的疲勞試驗方法Dc testing, applying to transformer and inductor winding copper resistance 、 relay contact resistance 、 switch and socket contact resistance 、 lead resistance 、 compenent solder resistance 、 pcb line and hole resistance 、 metal detection, ect
直流測試,適用於變壓器及電感線圈銅阻、繼電器接觸電阻、開關、接插件接觸電阻、導線電阻、元件焊點接觸電阻印製板線條及焊孔電阻、金屬探傷等。Ultrasonic wire bonding was applied to connect the contacts and sub - miniature - a ( sma ) connectors. also a suitable shield box has been designed for the test of hts filters
對于超導濾波器的焊接,採用超聲點焊焊接sma的接頭和高溫超導濾波器的接觸電極,實現了較小的接觸電阻和較好的機械強度。Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current
在發電機定子繞組絕緣電氣強度有較高的安全系數的情況下,接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。But how to measure grounding resistance of large grounding grid simply and exactly is a difficult problem to electric power staff all the time. this paper has classified measuring methods of grounding resistance at home and abroad, and has analyzed interference factors during measurement, and has summarized principle and characteristic and measuring current and so on of various measuring methods
本文對國內外現有或正在研究的測量方法進行了分類,分析了測量地網接地電阻干擾的主要來源,並首次全面地對各種方法的原理、特點、測試電流、消除干擾能力和測試結果進行了比較分析、總結歸納,方便后來者研究應用。分享友人