準穩電流 的英文怎麼說
中文拼音 [zhǔnwěndiànliú]
準穩電流
英文
quasi stationary electric current- 準 : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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The test shall demonstrate to the satisfaction of the owner that the equipment meets all specified performance criteria, is properly installed and anchored, and operates smoothly throughout the specified speed range without exceeding the full load amperage rating of the motor or excessive motor heating
測試應該讓用戶滿意,證明這些設備符合所有規定的性能標準,經過正確的安裝和錨固,在額定轉速范圍內運行平穩,沒有超過電機的額定滿負荷運轉電流安培數,或發生電機過熱。Test method for measuring steady - state primary photocurrent
測量穩態原始光電流的標準試驗方法New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。For high stability of the system, with the realization of hardware of the system, the second part of this paper starts from the transmission line theory, and studies the signal integrity problem of high - speed circuit system in light current. the causes of these signal integrity problems, such as signal delay, reflection, crosstalk, ground bounce noises and etc. are analyzed in theory. combined with actual design, key points of design and standard design flow of general high - speed, high - precision printed circuit board are summarized, which has been applied in actual system, and good effect has been achieved
為使系統具有較高的穩定性,本文第二部分結合該處理器的硬體實現,從傳輸線理論出發,研究了弱電情況下高速電路印刷電路板中的信號完整性問題;從理論上分析了延遲、反射、串擾以及地彈噪聲等信號完整性問題產生的原因;結合實際設計,總結了一般高速、高精度印刷電路板的設計要點和標準設計流程,並在實際系統中獲得了應用,取得了很好的效果。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power
本文深入分析了半導體激光電源的工作原理,根據準連續工作方式下的特殊要求,論證了電源的主要環節的可行性方案,設計了相應的硬體電路與軟體程序, (實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。In order to do the research works above better, we must can precisely control the width of the quasi - 1d channel and the cut off point, and also must precisely inspire current in the 2deg, so we designed the 2 channel high precision and high stability voltage source, one channel can supply the minus voltage to the split - gate, and the other one can supply the offset voltage between the source and drain pole
為了進行上述研究,必須能夠精確的控制準一維電子通道的寬度和鉗斷,以及精確的在2deg上激勵電流,由此我們設計研發了給分裂門加負偏壓和給準一維電子通道加源漏偏壓的兩路高精度高穩定性饋源。A new type of josephson junction array using current biased voltage steps can provide highly stable and accurate voltages
一種新型的約瑟夫森結陣列使用了電流偏置的電壓臺階可以提供高穩定度、高準確度的電壓標準。Analyses and researches the 2 channel voltage source ' s functional and characteristic requirements of the experiment system of the acoustic current transport model in the quasi - 1d electron channel. 2. designed and realized the hardware circuit of the 2 channel voltage source
兩路高精度高穩定度饋源在進行準一維電子通道量子化聲電流輸運實驗的中得到了很好的使用效果,在國內首次觀察到了在甚低溫下準一維電子通道的電導量子化現象。The system uses the popular double - deck controlling, namely the host communicates online with plc, at the same time it communicates with other stations by tcp / ip protocol. the electrodes regulate timely, quickly and true, with controlling three - phase voltage and current, so that power is stable comparatively
本系統合理控制三相電流、三相功率的大小,從而電極能夠實時、快速、準確地按照冶煉工藝要求進行調節,使電弧功率穩定在一定的范圍內,獲得期望的控制效果。Based on a set of multi - function intelligent security appliance, this text redesigned the hardware and software on the part of low voltage startup and power testing, not only condensed old hardware circuit but enhanced the stabilization of the hardware circuit, and made the testing precision of voltage, current and power no more than 2 % o measure, designed interlock protect of the whole system, and finished the experimental appliance
本文基於一套多功能智能電器安全測試儀,在低壓啟動,功率測量兩個方面在原有的基礎上重新設計了硬體,不但精簡了原來的硬體電路,而且提高了電路的穩定性。重新設計了軟體,使其電壓,電流,和功率的測量精度都不超過千分之二的量度標準,還對整個系統作了聯鎖保護的設計,並且做出了樣機。The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis
本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little
此電路利用系統內部基準源產生的電流信號來對電容進行充放電,然後經過控制電路作用后,產生的輸出振蕩波形的上升時間和下降時間非常小,更接近理想矩形波形;通過調節基準源電流信號或者電容值大小,可調節振蕩波形的頻率和占空比,同時溫度和電壓的變化對振蕩器輸出波形頻率穩定度的影響很小。The adaptive optical transducing principle on independent variables is presented in this paper, and a new adaptive optical current transducer ( aoct ) has been developed with the new independent variables introduced to oct, in which the precise power frequency current offered by a reference model of steady state is benchmark, and the measured harmonious and transient currents from optical transducer might be adjusted adaptively applying the adaptive arithmetic, so that both the steady state and transient precision of the aoct has been improved
論文提出了獨立量自適應光學傳感原理,並應用這種原理的一種形式? ?光電獨立量自適應光學電流傳感原理,研製了一種新型的自適應光學電流互感器( adaptiveopticalcurrenttransducer ,簡稱aoct ) ,以穩態參考模型所提供的高精度基波電流測量值為基準,應用自適應演算法對aoct中光學傳感頭輸出的穩態電流中的基波、諧波和暫態電流測量值進行自適應校正,從而能夠綜合提高oct對電力系統穩態和暫態電流的測量精度。This method has three merits : first, reduce the harm to the battery ; second, this current is stable ; the last, the current may represent the battery ' s current function better. in order to study this problem, we design a install to make lots of experiments to prove this result. the install can use in the factory as a automation instrument if it be perfected
此方法和原有方法比較有三大憂點:一是減少了直接短路時大電流放電對電池的損傷:二是此迴路電流值穩定存在,可以對其進行比較準確的測量:三是此電流值更能代表堿錳電池實際工作時的放電性能c為了本研究的順利實施,本課題提出了一個堿錳電池四參數檢測的實驗平臺,做到對電池的開路電壓、負載電壓、電流指標、電池重量四參數的檢測。Current voltage isolated conversion module is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields
電流電壓隔離轉換模塊是一種小型化插裝式結構的轉換模塊,其具有工作電源輸入信號輸出信號三者相互隔離,能將輸入的交流電壓或交流電流轉換成420 ma或15 v標準信號輸出,具有精度高,線性好,調試簡單工作穩定可靠等特點,適用於電量參數的顯示記錄dcs系統的監控等場合。The card is based on the flat roof of pc machine, at first, we are used of the source of program data to leave in ide care, then binary file is come by the send out card, which is transmitted the standard ' s transmission stream. according to the european the standard of dvb - c, variable transmission current velocity rate is 9. 6 - 38. 4 mbits / s
此卡基於pc機平臺,首先將節目源數據以二進制文件的格式存放在普通ide硬盤上,然後通過計算機的pci總線將二進制文件經過發送卡轉換成符合數字電視asi (異步串列介面)介面標準的平穩碼流。根據歐洲dvb - c標準,可變的傳送流速率為9 . 6 ~ 38 . 4mbit s 。Standard test method for assessing the current - voltage cycling stability at room temperature of absorptive electrochromic coatings on sealed insulating glass units
密封絕緣玻璃裝置有吸收力的電致變色覆層在室溫下的電流-電壓循環穩定性評估的標準試驗方法Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of current mode ac - ac mode ac / ac converters with high frequency link are investigated. the output characteristic curve and the design for the key circuit parameters are given
以單四象限功率開關式拓撲為例,分析研究了電流源交?交型高頻環節ac ac變換器的工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的關鍵電路參數的設計準則和變換器的外特性曲線。分享友人