voltage of transformation 中文意思是什麼

voltage of transformation 解釋
變換電壓
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  • of : OF ＝Old French 古法語。
  • transformation : n 轉變，變化；變形；【生物學】（尤指昆蟲的）轉化，變態，改造，改革；變質；【數學】變換；【電學】...
  1. The company is the electric member unit of enterprise " s federation of china ; member unit of construction technology branch of special committee of power transmission and transformation of chinese electrical engineering society ; national vltrahigh voltage give switchyard construction technical information unit and national power system, net explorer of network, to transmit power professional operation job unit, net explorer of network

    公司為中國電力企業聯合會會員單位；中國電機工程學會輸變電專委會施工技術分會會員單位；全國超高壓送變電施工技術信息網網員單位及全國電力系統送電專業運行工作網網員單位。
  2. Study and applications on the type of high - voltage direct - current transformation system

    高壓直流輸電系統中線路結構的研究與實現
  3. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  4. Through auto transformation from die bearable phase voltage to a half of the line voltage, the excellent illumination energy conservation mode can be achieved

    通過對照明燈具從承受相電壓至承受線電壓一半的自動轉換，實現最優照明節電模式。
  5. In the power equipment manufacturing industry, delivery orders in 2006 will be large, which will drive the purchasing orders of the power transmission and transformer industry, with the entire power equipment manufacturing industry expected to grow at a rate of about 20 percent ; output of generating equipment is expected to fall in 2007, and the purchasing price of manufacturers has already started to drop, with few orders after 2008 ; the boom period of the high - voltage power transmission and transformation equipment manufacturing industry will lag behind, which will be favorable in terms of reducing the influence of the generating equipment slump

    電力裝備製造業明年要交貨的發電設備訂單仍處于高峰，受其帶動，輸變電行業任務也很飽滿，整個電力裝備製造業有望達到20 %左右的增長；但預計2007年發電設備產量將由高峰開始回落；目前各製造廠訂貨價格已在下滑， 2008年以後的訂單明顯不足；與發電設備相比，高壓輸變電設備製造業的景氣周期將適當滯后，從而有利於緩解發電設備下滑的影響。
  6. The advantage and disadvantage of two kinds of principle of the external insulation configuration using contamination tolerance voltage and the rate of distance of voltage creepage is analyzed. the principles and measures of external insulation configuration of power transformation device is put forward at the present time. the technical measure against contamination flashover of power transmission and transformation device in electric network in south of hebei province is studied and determined

    分析了利用污穢耐受電壓或爬電比距選擇外絕緣配置這兩種原則的優勢和存在的問題，提出了現階段輸變電設備外絕緣配置原則和措施，研究制定了河北南網輸變電設備防污閃技術措施。
  7. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法，從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器，並聯合兩種傳感器形成了電壓、電流的同步測量系統，實現了諧波分析、鑒相及有功、無功功率的計算，可對電能質量進行監控。
  8. Full - sealed assembling capacitor is applied to ac power system 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of power transmission transformation facilities

    全密封集合式並聯電容器，主要用於工頻50hz或60hz ，額定電壓6kv 10kv及35kv的交流電力系統中用來提高功率因數改善電網質量降低線路損耗，充分發揮輸變電設備效能。
  9. 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。
  10. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  11. Rated transformation ratio of a voltage transformer

    電壓互感器的額定變比
  12. According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented

    從等效交-直-交變換的空間矢量調制方法出發，深入分析了矩陣式變頻器的變換關系，導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術，闡述了矩陣式變頻器的換流控制策略，分析了輸入濾波器和過電壓保護電路的設計方法，實現了矩陣式變頻器的建模和運行分析。
  13. The numerical calculation of linearization for voltage - temperature transformation ' s characteristic

    溫度變換特性的線性化的數值計算
  14. High voltage shunt capacitor installation is applied to ac po - wer system with 50hz for raising power factor, adjusting voltage of power grid, reducing transmission loss and raising the efficiency of transmission transformation facilities, so as to improve the quality of power supply

    高壓並聯電容器成套裝置適用於工頻電力系統中，用以提高功率因數調整電網電壓，降低線路損耗，充分發揮設備效力，改善供電質量。
  15. Full - sealed assembling capacitor is applied to ac power sys - tem 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of transmission transformation faciliti - es. this type of capacitor has an assembling full - sealed struc - ture, and it is comprised of capacitor unit body, container, insula - ition cooling impregnant, outlet ceramic bushing, pressurereleas -

    額定電壓6kv 10kv及35kv的交流電力系統中用來提高功率因數改善電網質量，降低線路損耗，充分發揮輸變電設備效能。本產品為裝配式全密封結構。主要由器身波紋油箱絕緣冷卻油出線套管壓力釋放閥溫度控制器等部件組成。
  16. Computation method based on fast fourier transformation ( fft ) is studied deeply, whose measurement accuracy is 0. 2s. the computing indexes involve voltage, current, power, frequency, phase, electric power, the harmonic ratio and the total harmonic distortion ( thd ) of phase voltage and phase current

    深入研究了測量精度為0 . 2s級的基於快速傅立葉變換（ fft ）的電壓、電流、功率、頻率、相位、電能等電力參數和各相電壓電流各次諧波含量、諧波含有率、諧波總畸變率的計算方法。
  17. During the course of modeling ldmos, the paper puts forward the method in which maxwell function in the static system is applied in analysis compute of ldmos threshold voltage. schwarz - chritoffel transformation method is used to solve the gate self - capacitance with limited size. at the same time, it also provides the method which computes the drain and source self - capacitance by conformal transformation and the equivalent - voltage sharing - charge model

    在對ldmos的建模過程中，本文提出了將靜電系統中麥克斯韋方程用於ldmos閾值電壓的分析計算的方法，引入了許瓦茲-克利斯多菲變換來求解了有限尺寸的柵自電容，並提出了用保角變換和等電壓電荷共享模型來計算漏與源的自電容的方法。
  18. The common mode voltage has high abrupt transformation rate because of the fast switching devices, whose dv / dt can exceed 6000 v / us. under so high dv / dt, the oil film acts as a capacitor and provides a charging mechanism for rotor shaft voltage buildup

    由於變頻器的高開關頻率，導致共模電壓具有很高的電壓變化率，其dv dt可以達到6000v us以上，在如此高的電壓變化率下，潤滑油膜充當了電容的作用對轉軸進行充電，形成軸電壓。
  19. With the increasing of the load and existance of the higher voltage scale, the reactive power transformation caused by the line switching and load changing is more and more common. therefore, the ability to regulate and control the voltage and reactive power should be advanced

    隨著電網負荷增大和電壓等級提高，線路投切、負荷變化等將容易引起較大的無功功率變化，因此對電網無功和電壓的調節、控制能力要求越來越高。
  20. 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

    為了滿足電力系統狀態估計實時性的要求，本文首先提出並推導了可以使雅可比矩陣為常數陣的基於分解電壓測量量和功率測量量的估計演算法和基於等效電流測量變換的估計演算法，並對此進行了模擬。
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