類別電壓 的英文怎麼說
中文拼音 [lèibiédiànyā]
類別電壓
英文
category voltage- 類 : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
- 別 : 別動詞[方言] (改變) change (sb. 's opinion)
- 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...
- 壓 : 壓構詞成分。
- 類別 : classification; category; genre; family; tier
- 電壓 : voltage; electric tension; electric voltage
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Luminaires that conform to the safety standard should bear proper markings of rated voltage, rated frequency, rated power, number and type of lamp bulbs, model number, mark of origin ( manufacturer nametrade mark ) and symbol for suitability or non - suitability for direct mounting on combustible surfaces where applicable
符合安全標準的燈飾須有適當的標記,包括額定電壓、額定頻率、額定功率、燈泡的數目和類別、型號、原產地標志(製造商名稱或商標) 、是否適宜於直接安裝在可燃物質表面的標志等資料。According to the theoretical parameters and analysis of clustering identification of noises, and based on the theory of spread frequency communication and bpsk, the remote reading meter system through medium - voltage power line is realized
根據理論參數及噪聲分類識別分析,以直接序列擴頻通信為理論基礎,採用bpsk調制解調,設計了基於中壓電力線的遠程抄表系統。Then analyze typical noises of the network based on bispectrum, get the wave characteristics according to bi - coherence function, and carry on the clustering analysis based on self - organizing feature mapping, so it realizes the clustering identification of the typical noises of medium - voltage power line
而後對電網的典型噪聲進行雙譜分析,並通過雙相干函數提取其波形特徵,利用自組織特徵映射神經網路進行類聚分析,從而對特定中壓配電網的各種電網噪聲干擾進行分類識別。Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper
在查閱大量國內外相關文獻的基礎上,本文綜述了國內外對該系統研究概況,闡述了該類系統原理和特點;闡述了矢量控制的基本原理,並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型,並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊,加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題,本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。The support vector classifier is adopted to identify fault in the two types, and the grid search method based on cross - validation is chosen to determine model parameters
該模型將變壓器故障分為放電性和過熱性兩大類,通過統計分析尋求特徵量區分類間的故障類型,採用支持向量機識別類內的故障類型,利用基於交叉驗證的網格搜索法來確定支持向量機的參數。Using two - dimensional numerical simulation software, analyze the affect of isolated - trench ' s parameters on the breakdown voltages of three - class bipolar power devices ( whose ideal breakdown voltages correspond to 40v, 70v and 100v ), which include width, depth, isolated material ' s dielectric constant, fixed interface - charge and field plate located at the top of deep - trench termination
利用二維數值模擬軟體分析了影響三類典型應用的雙極功率器件(對應的理想擊穿電壓bv _ ( cro )分別為: 40v , 70v , 100v )擊穿電壓的諸多因素(主要包括阱寬度、阱深度、阱內填充介質、界面固定電荷、阱區頂端場板) 。This approved list contains models of approved flexible gas tubing as of the above date in accordance with the code of practice gu01 ? “ approval of flexible gas tubing for low pressure applications ” issued by the gas standards office of the electrical and mechanical services department, government of the hong kong special administrative region
本認可清單載列根據香港特別行政區政府機電工程署氣體標準事務處發出的工作守則:氣體應用指南之一《低壓氣體接駁軟喉的批準》的規定,截至上述日期獲得類型設計批準的低壓氣接駁軟喉型號。When the antigen ( brief named ag ) invaded into the organism, and the body can produce a kind of material ( high molecular weight protein, named antibody, brief named ab ) that can distinguish this antigen and evacuate it, the antigen and antibody take place the immuno - reaction. using their highly sensitivity to response mass change and specificity, it can be fabricated a piezoelectric immunnosensors
當異種蛋白(稱為抗原, antigen ,簡稱ag )侵入生物體內時,體內能產生識別此類異物並將其排出的物質(大分子量蛋白質,稱抗體antibody ,簡稱ab ) ,抗原與抗體發生免疫反應,利用抗體(或抗原)對抗原(或抗體)的特異性識別功能和壓電晶體的高靈敏質量響應可製成壓電免疫傳感器。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6
本文首先介紹了電子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型;第三章推導了mosfet的大信號模型,這兩類模型不同於傳統模擬軟體例如pspice中的等效電路模型,而是從模型方程出發,採用數值模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效電路模型的方法,但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做器件的模擬分析與器件設計的時候,就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性,有利於抓住器件工作的本質特性,設計出符合要求的各類通用和特殊器件。The company has products of all specifications and its major products are overhead insulating fittings, cold - heat shrinkable cable accessories, power line fittings, cold - pressed wiring terminal, cable branch cases, box - type transformer substations and tools, including more than 10 categories and 2000 kinds of product specifications
公司產品規格全,主導產品為架空絕緣金具,冷熱縮電纜附件,電力線路金具,出口冷壓接線端頭,電纜分接箱,箱式變電站,施工工具等10多個類別, 2000多個品種規格。Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment
數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計,包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算,包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成,生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。Due to the sole - designed of the low voltage startup and power testing, for combined with the other four modules, we built the hardware and software flats, it was also convenient for continued extension. but, if there was different system wanted to combined in this system, we must redesigned all the hardware and software, it was a very hard work and could bring incompatibility. for this instance, the text designed a suit of number discriminating embedding system
但是如果有不同類型的系統也要增加到本系統中的話,就需要重新設計軟硬體,工作量很大,還容易產生不兼容等問題,針對這種情況,本文設計了一套數字識別的電器安全測試嵌入式系統,可以面向多臺儀器裝置,不採用電氣的連接,即是不改變原來的儀器裝置,通過電壓耦合元件攝像頭和視頻捕獲卡從測量儀器的顯示屏幕獲取測試信息,再把信息傳送到原來系統,從而組成了一個新的系統。With the strong support from both local and overseas exhibitors and buyers, the fair again maintained its leading position as the largest in asia and third in the world. the fair displayed a wide spectrum of products including electronic toys, educational toys and games, baby toys, die cast figures, party items, soft toys and sporting goods, etc
展覽會的內容豐富,為協助參展商盡量接觸到目標買家,提高展覽成效,大會將產品分門別類,有益智玩具及游戲、電池操作玩具及電子玩具、嬰兒玩具及用品、壓鑄及機械玩具、派對用品、玩具零件及配件、綜合用品、戶外及運動用品、軟身玩具及洋娃娃等。Running from 8 to 11 january 2002, the fair utilised 47, 000 sq. m. exhibition area. exhibitors were categorised into educational toys and games, battery - operated electronic toys, baby toys, die - castmechanical toys and action figures, party itemstoy parts and accessories, multiple products, outdoor and sporting items, soft toys and dolls
今年參展公司可分為八大類,分別是益智玩具及游戲、電池操作及電子玩具、嬰兒玩具及產品、壓鑄玩具機械玩具及動作玩偶、派對用品及玩具零件、綜合產品、戶外及運動用品、軟身玩具及洋娃娃。Running from 8 to 11 january 2002, the fair utilised 47, 000 sq. m. exhibition area. exhibitors were categorised into educational toys and games, battery - operated electronic toys, baby toys, die - cast mechanical toys and action figures, party items toy parts and accessories, multiple products, outdoor and sporting items, soft toys and dolls
今年參展公司可分為八大類,分別是益智玩具及游戲、電池操作及電子玩具、嬰兒玩具及產品、壓鑄玩具/機械玩具及動作玩偶、派對用品及玩具零件、綜合產品、戶外及運動用品、軟身玩具及洋娃娃。A3. initially, 12 types of commonly used equipment are included in the qpme system. they are : tracked bulldozer ; wheeled bulldozer ; tracked loader ; wheeled loader ; excavator ; generator ; mobile crane ; vibratory roller ; road roller ; asphalt paver ; vibratory compactor ; and power rammer
答3優質機動設備制度初步會採用12類常見的設備,分別是: 1履帶式推土機; 2輪動式推土機; 3履帶式搬土機; 4輪動式搬土機; 5挖土機; 6發電機; 7流動起重機; 8振蕩式滾壓機; 9道路滾壓機; 10瀝青攤鋪機; 11振動式壓實機及12機動夯土機。The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which
壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊,本論文分別實現了兩種類型的壓控振蕩器(採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器)和兩種類型的雙模預分頻器(使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器) 。The doubly fed induction machines speed adjustment system has the advantage of good speed adjusting behavior, low harmonic pollution, high reliability and cheap productive price. due to these characteristics, it is especially suitable for those situations with high voltage level, high power and not large speed adjustment range, such as wind machines and pump load
感應電機的雙饋調速系統具有調速性能好、低諧波污染、可靠性高及造價低廉等優點,特別適合於高電壓、大功率且調速范圍不大的場合,尤其適用於風機、泵類負載。The compact nsc series range of circuit breakers, with plastic casing, are suitable for distributed network of ac 5060 hz, voltage rating 500v, electric current rating 15a through 250a, especially adapted to be the main protective switch of machines compact nsc series circuit breaker offer a lot of advantages such as high functionalityprice ratio ; excellent insulation property, safe running operation, exactly and reliable separating function, isolation function ; compact structure and small volume
Compactnsc系列塑殼式斷路器適用於交流5060hz ,額定工作電壓500v ,額定電流15a至250a的配電網路中特別適合作為機器設備的主保護開關。具有良好的性價比;絕緣性能好,運行操作安全;分段確實可靠,隔離功能;結構緊湊,體積小等諸多優點,是目前同類產品中體積最小的。分享友人