校正電流 的英文怎麼說
中文拼音 [jiàozhēngdiànliú]
校正電流
英文
correcting current- 校 : 校名詞1. (學校) school 2. (校官) field officer3. (姓氏) a surname
- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 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...
- 校正 : check; correction; adjust; revise; proofread and correct; rectify; calibrate; make true; master c...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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The dc ammeter will normally be calibrated at full range in each range
直流電流表一般每程均作全量程校正。The torquing current is measured and related to drift rate by prior calibration data.
測出產生力矩的電流,然後根據事先校正的數據來算出飄移率。Studies on the optimum beam orbit correction for high energy electron linacs
高能電子直線加速器束流軌道校正的優化研究Measurement at full range setting for a dc current calibrator with not more than 3 ranges
一臺不超過三個量程的直流電流校正器全量程定位測量。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Calibration of a single range ac high voltage voltmeter
校正一個單量程交流高壓電壓表Volt ratio boxes rated up to 1000 v are usually calibrated at rated voltage against the laboratory s standard
1000v或以下的直流分壓箱一般將按其額定電壓下與本所的標準電壓進行校正。And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value
本文在對一系列apfc電路設計、模擬分析方法討論比較的基礎上,著重應用離散時域法進行了計算機輔助電路設計和模擬方法的應用探索,以此為基礎設計了pfcexpert功率因數校正電路設計、模擬軟體,針對實際電路給出了整個設計和模擬全過程,通過實驗驗證了該軟體所得到的精確穩態解、瞬態輸出電壓和電感電流,與實際電路輸出基本相同,所建立的電路模型重現了電路的運行過程,反映了電路的實際工作機理。Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit
文摘:介紹了應用於電解鋁的加飽和電抗器的二極體整流器的恆流控制系統,簡述了飽和電抗器的工作原理,分述了系統構成和系統校正電路的特點。The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method
應用復合矢量概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流閉環系統的穩態誤差,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。Bi - polar, small loss at high frequency, use for correction of horizontal deflection current in tvs
雙極性品,高頻損耗小,適用於電視機水平偏轉電流校正用。Influence of dc - rail zero - voltage notch on the output of the inverter is investigated, and an important conclusion is obtained that the direction of output current of the inverter is not effected by the voltage deviation produced by dc - rail zero - voltage notch, on the basis of which, a new simple correction approach is put forward. experiment results show that the proposed correction method is effective
探索了直流母線零電壓凹槽對逆變器輸出特性的影響,得出了母線零電壓凹槽形成的輸出電壓偏差與逆變器輸出電流方向無關這一重要結論,在此基礎上,提出了一種簡便的校正新方法,通過試驗驗證了該校正方法的有效性。First, the vacuum sensor suitable for vacuum degree on - line measurement in the vacuum interrupter is devised by the researches on panning discharge. then the vacuum sensor is calibrated, and also the corresponding curve which indicates that the vacuum degree respond to the current of the electric discharge is got
首先,通過對潘寧放電原理的研究,設計了適用於真空滅弧室在線檢測真空度的真空傳感器,並對真空傳感器進行了校正,得到其真空度-離子流對應曲線。When there is reactive power deficiency or bus voltage exceeding limit, reactive power dispatching and voltage correction program based on continual linear programming method are introduced to eliminate them
當潮流計算出現母線電壓越限或者無功缺額時,採用無功電壓校正予以消除。With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances
針對這一現象,在分析產生聲諧振的必要條件的基礎上,重點提出了利用前級有源功率因數校正電路的直流母線脈動電壓的調制方案。The method used for calibrating ac voltage calibrators will depend on the required accuracy and bandwidth of the unit under test
校正交流電壓校正器的方法將視乎所需的準確度及接受測試元件的帶寬而定。The requirements are the following : ( 1 ) input voltage : 220 vac ; ( 2 ) output voltage : 48 vdc ; ( 3 ) output current : 20 adc ; ( 4 ) switching frequency : 80khz ; ( 5 ) operated frequency of apfc : 100khz the simulated software pspice 7. 1 realizes simulation research of the main circuit, and the simulated result of key waveforms in the main circuit is introduced
設計指標為:輸入電壓為交流220v ,頻率為50hz ,輸出電壓和電流為48v , 20a ,功率因數校正電路的工作頻率為100khz ,直流變換器電路的工作頻率為80khz 。利用模擬軟體pspice7 . 1對主電路進行了模擬研究,並介紹了主電路的幾個關鍵波形的模擬結果。These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode, its power factor can not reach unity. therefore, it is not qualified for high power and high requirement application. according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction, the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit
本論文把積分復位控製成功應用於三相功率因數校正技術中,作了以下幾方面的研究: 1 .從理論上證明了三相單開關boost型pfc即使工作在ccm ,其功率因數也不能達到1 ,在大功率和對功率因數校正能力要求較高的場合,三相單開關boost型pfc達不到要求, 2 .根據三相三開關boost型功率因數校正交流側的等效電路,推導出實現單位功率因數所需的控制方程,並用積分復位控制電路進行實現,在理論研究的基礎上進行了模擬研究。What more, this paper presents the theory of the power factor correction, and design the appropriated circuit with the chip of pfc - uc3854a / b
本文簡單介紹了無源和有源功率因數校正的工作原理,並利用功率因數校正晶元uc3854a b製作了電子鎮流器的功率因數校正電路。The main job accomplished of this paper includes : according to the principle and the discussion of the single - phase active power correction, the pfc system, which adopts cuk power converter circuit and average current mode control scheme is indicated as the developing direction of pfc and regarded as the pfc system structure
全文圍繞設計cuk型平均電流控制的功率因數校正電路展開,主要完成了以下工作:論文在分析有源功率因數校正器基本工作原理的基礎上,通過比較幾種不同拓撲的pfc變換器主電路和控制電路的優缺點,明確了本文所要研究的對象?平均電流型控制的cuk型pfc變換器。分享友人