測電流比計 的英文怎麼說

中文拼音 [diànliú]
測電流比計 英文
logometer
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation

    摘要針對傳統型熱線式空氣質量量原理,分析和推導出當環境溫度變化時對量結果產生偏移的原因;提出了一種環境溫度的補償方法和具體的實現路;並對經環境溫度補償后的一種新型熱線式空氣質量的理論輸出和實際輸出進行了算與較。
  2. At the same time, the parameter monitoring circuit is designed to check the operational parameters of pharos that include voltage of power supply, operational current, based on lm339 voltage comparer, optical sensor and logical circuit

    以lm339較器為核心,結合光傳感器、邏輯路等,設出參數檢路,監航標燈的壓、工作等工作參數。
  3. The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it

    為了進一步抵消剩餘磁通,提高互感器的精度,提出了一種並聯容線圈補償零磁通的方法,並進行了理論推導,設了基於該方法的100匝互感器,通過校驗證明它可以改善零磁通互感器的差和角差特性,提高互感器的精度,將互感器的二次匝數由普通互感器的幾千匝降到了100匝,提高了量微小的能力。
  4. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件定轉速並與軟體算結果進行了較,採用等效路法算了堵轉時的最大磁力並做實驗進行了驗證,由實驗得了三相波形,並與算結果進行了較,對其不對稱性進行了定性分析。
  5. Electronic co., ltd., a private hi - tech company, professionally makes and markets electronic instruments and gauges, such as digital torque tester, bottle cap torque tester, voltage resistance tester, grounding resistance tester, leakage current tester, insulation resistance tester and etc. lankers quality instruments and gauges are characterized by well - designed structure, high reliability and stability and outstanding performance and are well sold to users in the industries of home appliances, motorcycle, automobile, motor and pharmaceutical

    市藍光子有限公司是一家集科研生產銷售於一體的高科技民營企業,公司擁有雄厚的技術實力,以卓越的設能力,完備的工藝控制和完善可靠的檢手段,向用戶提供高性價量儀器。主要產品有:數字扭力試儀系列瓶蓋扭力試儀系列耐試儀,接地試儀,泄漏試儀,絕緣試儀等安規試儀系列。
  6. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器氣模擬虛擬儀器試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  7. ( 4 ) mathematic models are derived for digital weirs and electromagnetic flow meter inflow controlling systems. for which, dynamic characteristics, controlling errors, applicable limits are compared

    ( 4 )提出了數字量水堰和兩種入控制系統的數學模型,並對其動態性能、控誤差和適用范圍進行了分析較。
  8. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權重函數分佈規律的傳感器,在速非中心軸對稱分佈時,感應勢僅與平均速呈正,而與速分佈無關的結論,從而從原理上解決了高精度量的問題。
  9. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑,在不同工況下進行點火實驗,量獲得了其工作推力、壓和、推進劑率和弧室壓力等宏觀參數,得到了不同實驗條件下其工作的實際沖、推力效率、推力/功率以及功率等性能參數,分析了推進劑質量率、弧功率、弧加熱發動機弧室結構尺寸等因素對其性能的影響,為數值模擬研究和實際的低功率弧加熱發動機優化設及研製提供了實驗基礎。
  10. In this paper, we introduce the methods to test the tiny capacitors and analyse the principle of relaxation oscillator used in the readout circuits for silicon capacitive accelerometers. to form a complete relaxation oscillator, we design the current source 、 the switch 、 the control logic and the comparator

    本文介紹了微小容的各種試方法,分析了採用弛張振蕩器進行試的原理,並設出了構成弛張振蕩器所需的源、開關、控制邏輯以及較器。
  11. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論,建立了高溫超導帶材及並聯堆疊帶材的交損耗與臨界的各向異性理論模型;給出了高溫超導帶材的交損耗及臨界隨(交、直)背景磁場與超導帶面夾角變化規律的理論公式;依據所建立的高溫超導短樣帶材的各向異性理論公式,給出了高溫超導線圈交損耗的數值算模型;並利用該模型,算了高溫超導雙餅線圈的交損耗;並與實驗量結果進行了較分析。
  12. It combines boolean algebra expression with time information to describe behavior of a digital circuit. it has made substantive progress at path sensitization, power dissipation estimation, iddt and delay fault diagnosis. theoretically, it is necessary to establish some mathematical foundation in order to define distance, limit and continuity based on boolean process

    它將布爾代數與時間結合起來,為異步性描述提供了較形式的理論基礎,並在通路敏化、源消耗的算、動態試方法( i _ ( ddt ) ) 、時延故障診斷等方面取得了實質性的進展。
  13. The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure

    該系統充分利用微子技術和算技術以及通過實際現場總結的經驗,主要從量與變送環節採取的措施、相關參數的在線實時補償演算法、非正常情況的在線補償三個方面對如何提高量精度加以論述,盡可能地彌補孔板差壓式量程較小、檢定周期短、維護環節多、準確度低的不足。
  14. Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver

    本文以日本神鋼機株式會社生產的兩相混合式直線脈沖機slpmu - 025a為樣機,對直線脈沖機的驅動控制系統進行了研究,內容包括: ( 1 )設了幾種直線脈沖機驅動器路,從理論上進行了對分析研究; ( 2 )用at89c51單片機作為控制器,採用專用的恆細分驅動器sh ? 2h057m ,實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制; ( 3 )對不同細分數下恆驅動的波形以及各種運行方式下的位移圖、速度圖進行了實驗試和理論分析研究。
  15. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放為研究對象,重點討論局部放的在線監方法、適用場合併較它們的優缺點;在分析籠型異步機轉子斷條在線監的定子方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以機軸承、氣隙偏心等故障為研究對象,通過對機振動和轉速頻率的檢,診斷機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於機的狀態監和故障診斷中,力求使機故障診斷更接近人工智慧化;最後,本文對機狀態監和故障診斷系統進行了硬體和軟體初步設,為實現預維修提供了有效的技術手段。
  16. In view of the problem of signal - to - noise and stability of circuit of photoelectric detection for weak signal, a low - noise amplifier circuit of photoelectric detection is designed, with the functions of filter and phase compensation

    摘要針對光中對微弱信號放大而帶來的信噪和穩定性問題,設了一種低噪聲光信號放大路,它具有壓、濾波和相位補償功能。
  17. And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method

    然後根據液伺服閥的液橋理論提出了一種負載量低壓量方法,在所開發的試系統上,利用例閥模擬量裝置對所提出的方法進行了試驗驗證,實現了利用低壓和壓力傳感器進行液伺服閥負載量特性和空載量特性的量。
  18. In order to validate the theoretical investigation, experimental motor sampled signal ( the voltage and the current ) is conversion to digital quantity and given to observer for estimating speed. the comparative results of estimated speed and actual speed show that both are in good agreement

    為了驗證理論研究的正確性,本文將實驗中的機采樣信號(壓和)轉換為數字量后加在觀器上估轉速,並把結果和實際機轉速作了對,結果表明穩態下兩者很好地一致。
  19. In order to meet the needs of real time computation of electric power system state estimation, the estimation algorithm based on decomposing the measurement of voltage scope and power scope and the estimation algorithm based on the measurement transformation of the equivalent current are brought forward and deduced in this thesis. these two algorithms all can make the jacobian matrix a constant matrix and they are stimulated

    為了滿足力系統狀態估實時性的要求,本文首先提出並推導了可以使雅可矩陣為常數陣的基於分解量量和功率量量的估演算法和基於等效量變換的估演算法,並對此進行了模擬。
  20. It compared some of linearization methods of platinum resistance ' s characteristic. it introduces a new subsection linearization method : unequal distance arithmetic, it improves the measure precision and decrease the calculation load. in the voltage and electrical current measure section, it use a measure chip which includes a / d conversion, dsp and arithmetic procedure, so it improves the mearsure precision greatly

    在前端的檢部分,分別對溫度檢采樣進行了研究,在溫度檢中對常用的幾種鉑阻的特性的線性化方法進行了較,提出了一種新型的分段線性化方法:非等距演算法,既提高了精度又減少了算量,具有新意;在量中,採用了一種內置a / d轉換、 dsp 、演算法程序等的量晶元,大大提高了量精度。
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