零電流測量 的英文怎麼說

中文拼音 [língdiànliúcèliáng]
零電流測量 英文
null-current measurement
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 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...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. 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，提出了一種並聯電容線圈補償零磁通的方法，並進行了理論推導，設計了基於該方法的100匝電流互感器，通過校驗證明它可以改善零磁通電流互感器的比差和角差特性，提高互感器的精度，將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝，提高了測量微小電流的能力。
  2. The device can protect start - up status and running status of asynchronous motors by differential protection, over current protection, negative - sequence current protection, zero - sequence current protection, inverse time current protection, under - voltage protection and so on, can measure every kind of electricity, and can process the function of telecontrol, telemetering and telecommunication

    其依靠電流差動、速斷、負序過流、反時限、零序過流和低電壓等保護方法實現了片電動機的運行、啟動和自啟動過程進行保護，並實現各種電量的計量，同時具有遙控、遙測、遙信的功能。
  3. A new residual current compensation method based on the magnitude of current of each phase that has the clear phase selection ability is presented in this paper. the residual current is compensated in an adaptive manner

    本文中提出一種新的可變補償的方法，對單相距離測量元件提出了零序電流自適應補償方法，演算法本身帶有較強選相功能。
  4. Then, based on the estimation algorithm decomposing the measurement of voltage scope and power scope, the problems of the location of transformation tap settings and the tide current estimation of zero - impedance branches in state estimation are solved ; and detection and identification of bad data in state estimation are deduced and stimulated, also a hybrid method of detection and identification is brought forward

    隨后，在基於分解電壓測量量和功率測量量的估計演算法的基礎上，對狀態估計中經常出現的變壓器抽頭位置問題和零阻抗支路潮流估計問題進行了分析和處理；對狀態估計的不良數據檢測與識別方法進行了推導和模擬，並提出了一種混合檢測方法。
  5. Because the current passing through measurement circuit is near to zero, the effects of electrode polarization on the measurement results are virtually eliminated

    由於流過測量電路的電流近似為零，因此消除了電極極化電壓對測量結果的影響，提高了測量的精度。
  6. The hall zero - magnetic flux system can eliminate the influence of the temperature and the constant - current power of the hall element on the measurement results

    霍爾檢零系統可以補償溫度和霍爾元件恆流源電流的變化對測量的影響。
  7. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線，討論了利用小波分析的奇異性來判斷故障啟動時刻，提出將小波分析和人工神經網路結合，利用人工神經網路的非線性逼近能力，實現故障暫態量到故障距離的非線性映射，完成測距。
  8. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
  9. The displacement device has two kind of power supply, dc and ac, which can insure the stability and adaptability in field application. mc1404b counter chip responding for accurate signal replacement was set in the internal circuit. the display component adopts the 7135 led display circuit with common cathode

    測量儀採用交直流兩種形式供電，這樣既方便現場的使用又可以保證電源供電的穩定性，其內部電路中採用mc1404b計數器晶元，能夠準確的進行復位調零功能，顯示部分採用7135共陰極led的顯示電路，這種晶元精度高、解析度高、能準確檢出極性。
  10. The rapid and reversible change between fluid and solid enables erf potential applications in mechatronic devices, cars and general machines. the transmission ability of a self - made cylinder coupling with zeolite - based erf was investigated, the torque transmission of the coupling in wide ranges of driving speed and electric field was measured. the relationship between the transmission torque, the zero field viscosity of erf and shear yield stress of erf under different electric fields was obtained and compared with theoretical prediction

    本文用沸石和硅油配製的電流變液，在自製圓筒式聯軸器上研究了在一定的速度范圍和有無電場作用條件下測量了其扭矩傳遞能力，獲得了傳遞扭矩與零電場電流變液粘度以及電場中電流變液的剪切屈服應力之間的關系，並與理論值進行了比較。
  11. But due to the existence of the fault resistance, the branch current, the zero sequence mutual coupling and so on, the apparent impedances and protection scope of distance protection will change, thereby affecting the performance of distance protection and the safety operation of power system

    然而，由於過渡電阻、分支電流和零序互感等因素的影響，會改變距離保護測量阻抗的大小，造成距離保護動作范圍的擴大與縮小，從而影響距離保護的性能，威脅電力系統的安全運行。
  12. The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome

    針對系統的性能指標，做了如下改進：對直流側電壓的檢測，在線調整逆變器導通脈寬、輸出電壓和頻率，可以適應不同大小的恆負載；並用非零電壓矢量作用時間進行補償的方法，減小電機的低速脈動；加入了諧波抑制技術等。
  13. This company, beginning fairly early to develop and manufacture themal protector, ptc started and current relay, has accumulated certain rechnical capability and rich manufacture experience. it boasts advanced manufacture and inspection equipment and device, such as precision punch, precision dryer, energy - reserve welding machine, ampere time characteristics detector, temperature characteristics detector, life test platform and key equipment for part - processing, finished product assembly, finished product inspection and pattern test. to guarantee product quality and expand manufacture capability, a production line has been designed and installed. with the aim of absorbing advanced technology and creating famous brand ted, we are planning to introduce equipment, material and know - how from abroad to satisfy users demand with quality product and excellent service

    公司較早開始研製熱保護器電流繼電器及ptc啟動器，對生產熱保護器電流繼電器具備了一定的技術力量和豐富的生產經驗，現有熱保護器及電流繼電器的生產和檢測設備：精密沖床精密乾燥箱儲能焊機安培時間特性檢測儀溫度特性檢測儀壽命檢測臺零件加工成品組裝成品檢測和型式實驗的關鍵設備。並設計製造安裝了生產線，保證了產品質量，擴大了生產能力。為集天下之技術，創tde名牌，準備從國外引進的設備材料和技術。
  14. Introduce to the testing center pic the testing machines tianle sets up a comprehensive test center for the purpose of best quality and also world - class manufacturing base

    天樂為保證產品質量，提高產品檔次，創建世界一流電聲零件製造基地，在天樂科技工業園內建立了天樂集團檢測中心。
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