voltage ratio

On Technology to Test the Voltage Ratio of Transformers

变压器电压比试验技术探讨

The voltage ratio of the capacitor and reactor will change when the fault occurs .

电抗器匝间故障时，电容器与电抗器电压比将发生变化；

Study on the System Used for Voltage Ratio Measurement of Special Transformer

特殊接线方式变压器变压比测试的研究

Study on Testing Method for Voltage Ratio of Transformer with Special Winding Mode

特种变压器变压比测试方法的研究

A transformer whose voltage ratio of transformation can be adjusted .

电压比率能够调整的变压器。

A National Comparison for Voltage Ratio Standard

电压比例标准的一次国际比对

Far infrared gate voltage ratio spectra of quasi two dimensional electron systems

准二维电子系统的远红外栅压比谱

A Method for Measuring Transformer Voltage Ratio of Zigzag Connection Windings

一种测量曲折形联结绕组的变压器电压比的方法

The voltage ratio is derived and the system closed-loop control is realized with PI regulator .

从理论上推导了电压传输比，采用PI调节器实现了系统的闭环控制。

Selection of Voltage Ratio & Taps of Main Transformer in Hanzhong Substation

汉中变电站主变压器电压比及分接头的选择

The Low Frequency Parasitic Oscillation and Voltage Ratio of Series-Parallel Connected Inverters

串并联变频电路的低频寄生振荡与升压比

Measuring voltage ratio of varistor by integral comparison divider

积分比较式除法器在压敏电阻压比测量中的应用

10 ~ 500 / 3 ~ ( 1 / 2 ) kV Power Frequency Voltage Ratio Standard Apparatus

10～500/3~（1/2）kV工频电压比例标准装置

Analysis of the Influence of Voltage Ratio and Geometry on the Performance of Different Axial-Symmetrical Electrostatic Lens

电位比及几何尺寸对各类轴对称静电透镜性能影响的分析

In testing values of admission , the method of voltage ratio , and also the method of magnitude of voltage .

检测进气量多半采用电压比法，也有的采用电压值法。

Chip Multilayer ZnO Varistors : Effect of Termination Firing Process on Clamping Voltage Ratio

片式ZnO压敏电阻烧端工艺对限制电压比的影响

The effect of temperature for terminal electrode firing and soak time on the clamping voltage ratio was investigated .

通过对烧端工艺中不同烧端温度以及保温时间的试验，研究了它们对片式ZnO压敏电阻器限制电压比的影响。

The authors analyze the hybrid full-bridge cascaded inverter with equal voltage ratio and give a generalized modulation method .

分析了复合型等电压比全桥单元级联型变换器，总结出一般的设计方法。

The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio , which its control curve is not stable .

早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。

Basic principle of the proposed converter is analyzed in detail , together with its critical conditions , voltage ratio and stress of devices in the converter .

详细分析了这类变换器的工作原理、临界条件、输入输出电压变比以及各器件的应力。

Based on WAN , the qualified voltage ratio data can be reported to leaders , examined and rejected to achieve system data-integration .

本系统基于广域网设计，支持电压合格率数据的无限级上报、审批、回退，实现了广域网上数据的合并与汇总。

The results show that the least clamping voltage ratio can be acquired when firing temperature is 850 ℃ and soak time is 15 min.

结果表明：当烧端温度为850℃，保温时间15min时，产品的限制电压比最小。

Together with the particularity of power traction system in electrified railway , a new protection against inter-turn fault based on the voltage ratio is proposed .

结合电气化铁路供电系统的特殊性，提出并补装置串联电抗器的基于容抗电压比的新匝间短路保护。

The hardware and software of the testing apparatus of the voltage ratio , based on the models and the multi-function platform for transformer testing , are introduced .

并介绍了基于多功能变压器测试平台的变压比测试仪硬件和软件模块。

ATP simulation and MATLAB calculation show that the voltage ratio protection against inter-turn fault of reactor can make correct judgement to this kind of fault quickly .

基于ATP的仿真和Matlab的运算表明基于电容器电感器电压比的电抗器匝间短路保护，能够对匝间故障做出快速而正确的判断。

This technique is significant to the transformer calibration centers in setting up their own high voltage ratio standards of industrial frequency with the accuracy of 1 to 20 ppm .

新线路将使互感器检定机构可以独立地建立自己的工频电压比率标准，其准确度为2×10~（-5）～1×10~（-6）。

The contents include calculation for parallel connection inductance LP and the primary capacitance of main transformer , no-load voltage ratio and maximum duty ratio of the transformer .

其内容包括并联电感Lp及变压器初级电容Cp的计算、变压器变比及其最大占空比的确定。

Thus , the usage of full-bridge cascaded converter with equal voltage ratio can save a number of switching devices and separated powers , simplify the circuit and cut down the cost .

因此，采用复合型等电压比全桥单元级联型变换器可节省大量的开关器件和独立的电压源，从而简化了电路，降低了成本。

In this paper the transport of charged particle beams in nonlinear periodic fields is stu - Generally , it possesses much stronger focusing ability than a single lens element under the same voltage ratio .

通常它具有比单个透镜元素强得多的聚焦能力（在相同的电压比下）。这种周期场透镜曾用于静电加速器离子源初聚系统中，但它的成象特性尚未有详细的分析。

The result shows optimized setting density be 80 pieces per saggar which obtained high electrical gradient , low voltage ratio and reduced energy consume by nearly one fourth and annual cost for electricity by 200 thousand yuan .

结果表明，80片的装钵量最合理，不仅提高了电阻片的电位梯度，降低了压比，而且单片能耗比以前节省了近1/4，年节省电费20余万元。