voltage transformation

变压

  • This paper analyses the characteristics of USB bus power . Based on the power demand of the circuits for neuromuscular rehabilitator power voltage transformation circuits are designed for the realization of USB bus power supply .

    分析了USB总线电源的特点,针对神经网络重建仪各电路的供电要求,设计出了对USB总线电源的各电源 电压 变换电路,实现了神经网络重建仪的USB总线电源供电。

  • The result of high voltage paper electrophoresis confirmed the transformation of T DNA from Ri plasmid to the hairy root and regeneration plant .

    高压纸电泳检测,菘蓝毛状根及其再生植株中均含有甘露碱,表明Ri质粒的 T-DNA已整合进毛状根和再生植株中。

  • The voltage transformation rectification integration power supply units with high-power homemade silicon element was introduced including main circuit structure and application effect .

    介绍了国产大功率硅元件 变压整流一体化电源装置的主电路、结构及应用效果。

  • As the core equipment of electrical power system power transformers not only play a very important role in voltage transformation electrical energy distribution and transmission but provide essential power service as well .

    电力变压器是电力系统最核心的设备之一,它承担着 电压 变换、电能分配和传输,并提供电力服务。

  • Thirdly neutral point clamped three level inverter realizes the voltage transformation with triangular carrier method and space vector control .

    然后,在 逆变环节采用中点钳位型三电平 逆变器,分别对其采用三角载波层叠法和空间矢量法进行控制。

  • Application of Voltage Transformation Method Based on PLC to Man-sized Power Transformer 's Drying Process

    基于PLC的分段 变压法在变压器干燥过程中应用

  • Application guide for insulation co-ordination of high voltage transmission and transformation equipment teletype input / output device

    GB/T311.7-1988 高压 输变电设备的绝缘配合使用导侧电传打字输入输出设备

  • In order to form the tearing point potential equations simply and directly voltage transformation matrix and current transformation matrix are introduced in this paper .

    为了简捷形成分裂点电位方程,本文引出了 电压 转换矩阵和电流转换矩阵。

  • A transformer whose voltage ratio of transformation can be adjusted .

    电压比率能够调整的 变压器

  • The voltage transformation method of vacuum dry technology used in the oil-immersed power transformer

    变压法真空干燥工艺在油浸式电力变压器中的应用

  • The positive sequence voltage and their Hilbert transformation substituted for the elements of synchronous reference frame matrix and the improved synchronous reference frame method is proposed .

    分析了 坐标 变换在电机故障诊断中的应用,用正序 电压及其Hilbert 变换替代同步速坐标 变换矩阵里的元素,提出了改进的同步速 变换方法。

  • Transient Stability Calculation Based on Residual Voltage Transformation Method for Short-circuit Faults

    基于短路故障残 变换法的暂态稳定计算

  • Establishing super high voltage transmission and transformation information system using GIS

    基于GIS的超 高压 输变电信息系统的建立

  • High Voltage Frequency Conversion Technical Transformation of Disrotatory Axial Flow Fan in Mine

    煤矿对旋轴流式主通风机实施 高压变频技术 改造浅析

  • The proposed method extracts harmonic and reactive currents through three-phase voltage and current vectors project transformation in dq coordinate .

    从矢量分析角度出发,通过对三相 电网 电压和电流矢量在dq坐标系下进行投影 变换,实现谐波和无功电流的提取。

  • Discussion on the Protection between Ultra-high Voltage Power Transmission and Transformation System and Communication Station

    浅述超 高压 输变电系统与通信局(站)间的防护

  • The power transformer which is responsible to the voltage transformation the distribution and transmission of electric power and providing customer services plays a key role in the power system .

    电力变压器承担着 电压 变换,电能分配和输送,并提供电力服务,在电力系统中处于枢纽地位。

  • Application of Fault Range Finding System with Mixed Travelling Wave of Current and Voltage Based on Wavelet Transformation Technology in 750 kV Power Transmission Project

    基于小波 变换技术的混合电流 电压行波测距系统在750kV输电工程中的应用

  • Introduce the four stages of voltage transformation vacuum dry method and its technical performance .

    介绍 变压法真空干燥四个阶段、技术特点。

  • An improved discrete method for detecting voltage sag based on Park transformation

    一种基于派克 变换 电压跌落检测改进离散算法

  • It is a new ligh voltage apparatus product for city transformation and construction .

    是适合城市 改造和建设的新一代 高压电器产品。

  • Development and Application of Teaching Experiment System of Low Voltage Power Transmission and Transformation

    输变电 低压用电教学实验系统的开发与应用

  • Leaping voltage of capacitor and energy transformation

    电容器的 电压跃变与能量 转换

  • Traditional Matrix converter is very simple in structure and has powerful controllability . However it can not be widely used in industry because of commutation problem low voltage transformation ratio and complicated PWM method .

    传统矩阵变换器具有简单的拓扑结构和高可控性,但换流技术复杂、 电压 传输比较低和复杂的PWM调制方法等造成其应用上的困难。

  • A residual voltage transformation method for short-circuit current calculation with matrix transformation

    利用矩阵变换求解电力系统短路故障的残 变换

  • There are two kinds of load modeling . A concept of general transconductance of V / Q ( voltage / charge ) transformation I * proposed and applied to the simulation of switching capacitance impedance .

    常用的负荷模拟方法是恒定阻抗模拟和综合负荷模拟。文中提出一个 V/Q 变换的广义跨导概念,并应用在开关电容阻抗模拟中。

  • Two basic devices for the signal flow graph of transconductance operation amplifier-C filters are concluded : amplifier-C filtering unit and voltage transformation unit .

    归纳出跨导运放电容滤波器模拟图的两个基本部件:电容滤波单元和 电压 变换单元。

  • In addition the method to calculate voltage phase by discrete Fourier transformation was provided and the formula to calculate power angles of the generator was given .

    介绍基于离散傅里叶 变换 电压相角计算方法,给出了发电机功角的计算公式。

  • Finding out Transformer Connection Error by Voltage Transformation Ratio Data

    电压 试验结果查找变压器接线错误

  • The high voltage variable frequency transformation of power plant 's pump system of condensation water pump condensation water booster pump is described briefly .

    对发电厂的凝泵、凝升泵的 高压变频 改造进行了简要叙述,并对经济性试验的数据进行了定量分析。