Vsually we measure linking groups of three phase transformer in alternating current method.
三相变压器联接组的测定通常采用交流法。
This paper discusses the application of clock representation in three phase transformer connections and other fields.
论述了“时钟表示法”在三相变压器联接组别和在其他方面的应用。
Finally, the elementary procedure for establishing the harmonic models of three phase transformer in phase coordinate system is discussed.
作者还讨论了建立相坐标下三相变压器谐波模型的基本方法。
It has been proved in practice that the unbalance degree of the three-phase side current of this transformer can meet the requirements of the related regulations.
实践证明，这种变压器三相侧电流的不平衡程度可以满足有关规定。
The phase recurrence algorithm that estimates connection group of three-phase transformer fleetly was given in this article.
文章给出了一种快速判断三相变压器联接组的方法———相位递推法，这种方法和相量图法比较具有简单、快速、准确的特点。
The binding methods of yokes in three-phase power transformer cores and their merits and demerits are introduced. The general tightening device is analyzed briefly.
介绍了三相油浸式电力变压器铁心铁轭的绑扎方式及其优缺点，并对常见的拉紧装置作了简要分析。
Finally, combining programming measurement software together with data-requiring card and potential transformer circuit complete the measurement of three-phase voltage fluctuation and flicker.
最终混合编程检测软件、数据采集卡、电压互感器电路共同完成对电网三相电压波动和闪变的检测。
This paper presents a monitoring system for electric parameters of three-phase transformer. An energy metering chip ADE7754 is adopted to calculate energy.
本文设计了一种三相变压器电参数监测系统，它采用ADE775 4作为计量芯片。
The primary of a single-phase transformer is connected to one phase of the three-phase system.
单相变压器的提名候选人的预选会被连接到一状态的三状态系统。
This paper introduces the trouble shooting methods for the coil short of miniature three-phase power transformer, and points out some notable matters in the test.
介绍了小型三相电力变压器线圈短路故障查找的方法和试验时的注意事项。
This paper described the establishment of the mathematical model for hot-spot thermal conductance of oil three-phase transformer and the deduction of the involved calculation method.
本文叙述了三相油浸变压器热点热传导数学模型的建立及计算方法的推导。
Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.
在分析双绕组变压器的差动保护算法的基础上，提出了适用于三相三绕组变压器的比率制动式算法，并对判据进行了简化。
The principle and structure of the resonance-proof three phase voltage transformer used in the neutral insulation system are discussed. The connection errors brought about in operation are presented.
论述了中性点绝缘系统中采用的三相防谐振电压互感器的原理与结构，并指出了运行中容易发生的接线错误。
Use is made of that zero-sequence transformer outputs a voltage signal when phase-failure occurs in three-phase induction motor.
这种新方法的基础是零序变压器在三相异步电动机断相时输出一个电压信号。
Putting the three-phase lines and middle line of the electrical circuit through the zero current transformer, the residual current signal will be converted into the voltage signal.
将电气线路的三相线及中线通过零式电流互感器后，零式电流互感器会把剩余电流信号转换为电压信号。
A group of overload capability curve of three-phase electric traction transformer is given for use by design and operation units.
最后给出了三相牵引变压器的过载能力曲线组，供设计、运行单位使用。
How to ensure compliance with the measured value transformer impedance requirements of users and to ensure basic balance is the key to the three-phase impedance of the transformer design.
如何确保符合用户的测定值变压器阻抗要求，以确保基本平衡的关键是变压器设计的三相阻抗。
When Power supply transformer and a continuous phase stator windings call for a phase, it may cause the three-phase induction motors running.
当供电电源一相断开以及定子绕组一相断开时，均将导致三相感应电动机的缺相运行。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
Because of the better structure and balance characteristic compared with other transformer used in electric railway, the three-phase to four-phase transformer can apply to AT power supply system.
与其它牵引变压器相比，三相变四相变压器具有较好的结构和平衡特性，可以用于电气化铁路AT供电。
The Balance Transformer Accroding to Impedance Matching which has been widely used in electric railway is a kind of three-phase to two-phase power supply equipment.
阻抗匹配平衡变压器，是一种三相变两相的供电设备，已广泛用于我国电气化铁道。
Encyclopedia is divided into 5 chapters, the main contents include transformer, dc motors, three-phase asynchronous motor, single phase asynchronous motor and special motor.
全书共分5章，主要内容包括变压器、直流电机、三相异步电动机、单相异步电动机和特种电机。
The power supply device is mainly in a structure of a three-phase to single-phase transformer and is additionally provided with a power compensation element.
该供电装置主要为三相变单相的变压器结构，附加有功率补偿元件。
The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;
所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连；
The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;
所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连；
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