超高壓放電 的英文怎麼說
中文拼音 [chāogāoyāfàngdiàn]
超高壓放電
英文
extra high pressure discharge- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 壓 : 壓構詞成分。
- 放 : releaseset freelet go
- 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...
- 高壓 : 1 (殘酷迫害; 極度壓制) high handed 2 [氣象學] (高氣壓) high pressure3 (高電壓) high tension...
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
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Based on an analysis of uhf ( ultra - high - frequency ) characteristic of pd ( partial discharge ) in power transformer, using mixing technique, a signal disposal cell has been devised for the sake of facilitating common data sampling card
摘要在分析了電力變壓器局部放電的超高頻特性的基礎上,利用混頻技術,設計了局部放電超高頻信號的信號調理單元,方便普通數字採集卡採集。Utra - high - frequency pd measuring system for power transformer
電力變壓器超高頻局部放電測量系統In 2004, the company s technology development department has actively and successfully developed the shield - type american - style european - style cable heads, high - low - voltage cable branch cases for load switch busbar coupler system, outdoor ring network cabinets, box - type transformer substations and auxiliary products, which have passed the authentication one after another and been launched into the market in large batches, giving a strong support to the upgrading of the national urban power grids and the construction of key projects ; in 2006, the company has developed the four - splitting and dual - splitting wire and cable box and released to market ; the 2nd half of 2006, over 500kv ultra - high voltage electrical hardware being developed for 2007 market ; four products awarded national patents in 2006
2004年公司技術開發部積極開發了屏蔽型美式歐式電纜接頭,負荷開關母線聯接系統的高低壓電纜分接箱,戶外環網櫃,箱式變電站及配套產品相繼通過鑒定,大批量投入市場,有力支持國家城網改造與重大工程建設2006年公司又研製出四分流二分流電線電纜分線盒,已投放市場2006年下半年,正在研製開發超高壓500kv及以上電力金具,有望2007年投放市場2006年有六種產品已申請國家專利。In accord with the state standard about harmonic. the harmonic permission value of tangqian line is calculated. some measurement data are shown and analyzed, and some main conclusion is drawed that the 7th harmonic voltages of tangqian line is near to the permission value, total harmonic voltage distortion ratio has oversteped the permission value. the 3th harmonic, the 5th harmonic, the 7th harmonic and the 9th harmonic current from tangqian line all overstep the permission, the largest 5th harmonic current ratio in tangsc reaches 44 %, the 7th harmonic and the 9th harmonic current in tang7c and tangsc is large maybe because the harmonic current is magnified. this paper studies the model of each element in tang yin substation
根據有關公用電網諧波的國家標準,計算出湯牽線注入湯陰變電站的諧波電流允許值,從實測數據可以得出一些重要結論:湯牽線7次諧波電壓含有率的最大值接近國標中的限值,湯牽線的諧波電壓總畸變率的最大值已超標;湯牽線注入電網的3 、 5 、 7 、 9次諧波電流都超標;湯6c電容器的5次諧波電流含有率較高,最高達到44 ;湯7c和湯8c電容摘要器的7次和9次諧波電流含有率偏高,原因可能是發生了諧波電流放大現象。The performance aim requires the discharge time is longer than 5 minutes at 10c, the middle voltage is more than 1. 0v. the discharge capacity is above 60 % at 20a and 0. the life time of discharging at 10a and 2a alternately is over 200 cycles
在研製電池的性能目標中,要求電池ioc放電時間在5分鐘以上,中值電壓高於1 . 0v ;電池具有0 20a放電性能,放電容量達到標稱容量的60以上;電池循環壽命長, 2a 、 10a交替放電循環壽命超過200次。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。As another application instance, a subsystem monitoring ultra - high frequency partial discharge of transformer is developed, which can analyse, process, plot time - domain pd data and demodulated pd data, besides, it also has such discharge type recognition function as spectrum calculation and auto correlation
作為另一應用實例,研製了變壓器超高頻局放監測子系統,此系統具有分析、處理、顯示超高頻時域波形及其包絡線波形數據的功能,還具有用於放電模式識別的時域波形及其包絡線波形的頻譜計算和自相關處理等功能。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。分享友人