It can be seen that the proposed theory greatly generalizes the traditional transformation theory for three-phase circuit and then is in favor of establishing a theoretical foundation for harmonic detection motor control and fault diagnosis of multiphase system .
可以看到，该变换可以很好地包含传统的 三相 电路的坐标变换理论，而且它有助于建立多相 电路谐波检测、多相电机独立控制、多相电路故障诊断等应用的理论基础。
De-excitation of steam-turbine generator after abrupt three-phase short circuit ( ATPSC ) is serious situation .
汽轮发电机机端发生 三相 短路后的灭磁，是属于灭磁的严重情况。
Transients in unbalanced three-phase circuit and measurement of power factor
三相不平衡 电路的暂态过程及功率因数的测量
Active Power and Power Factor Measurement Under Non-sinusoidal Waveform in Three-phase Circuit
非正弦状态下 有功功率和功率因数测试
Analysis and Study on Instantaneous Power of Three-phase AC Circuit
三相交流 电路中瞬时功率的分析和研究
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit .
电力有源滤波器能动态补偿不对称 三相 电路的畸变电流、负序电流分量。
Furthermore we considered phasor dynamics of values of negative sequence and zero sequence . Analysis of Unbalance Three-phase Circuit and a Practical Circuit for Judging Phase Sequence
对于 发电机的负序和零序，采用了等值的 电路模型并考虑了其中电压和电流的相量动态。一种相序判定方法分析及其实用电路
Abstract : the three-phase circuit is regarded as some of drive of the whole power system in actual project it has its special meaning in practical application carry on correct use and particularly important control to it .
摘要： 三相 电路作为实际工程中整个电力系统的驱动部分，在实际应用中有其特殊的意义，因此对其进行正确的利用和控制尤为重要。
Harmonic detection for three-phase circuit based on TLS algorithm
基于TLS算法 三相 系统的谐波检测
The thesis of a double switch three-phase PFC circuit is studied .
在此基础上，论文对一种双开关 三相功率因数校正 电路进行了研究。
Harmonic Current Detection Algorithm of Three-Phase Circuit Based on DSP
基于DSP的一种 三相 电路谐波电流检测算法
This paper mentions several ways of dealing with harmonic by computer program and the new method of harmonic control At last part I will analysis the harmonic in symmetrical three-phase circuit and its effect on the measurement of Active Power .
文章也介绍了逆变 电源 谐波分析的几种方法，并提出了消谐控制的新思想，同时说明了谐波分析的另外几种编程计算方法。
Singlechip Control Method for the Trip-Pulses in Three-Phase Circuit
三相全控桥触发脉冲的单片机实现方法
Several Problems about Measuring the Power of Three-phase Circuit
测量 三相 电路功率常见的几个问题
Research of asynchronous EM reactive power measurement under non-sinusoidal waveform in three-phase circuit
非正弦状态下 三相异步电机无功功率测试研究
Research on Improving Reactive Power Measure Precision for Complete Unbalanced Three-phase Circuit
完全不平衡 三相 电路无功功率测量精度的探讨
Online Application of Solving Method for Critical Clearing Time of Three-Phase Short Circuit in Power System
电力系统 三相 短路 故障临界切除时间求解方法的在线应用
The three-phase short circuit currents of bulk electric power system are very high and the high currents do harm to the working of the system .
针对 三相 短路电流产生的电动力进行分析，经过受力分析，瞬间较高的电动力对户外柱上真空 断路 器的影响很大。
For three-phase APF the harmonic current detection methods based on the instantaneous reactive power theory of three-phase circuit are considered as recognized mature methods but they also have some problems requiring solving .
对于三相有源电力滤波器，基于 三相 电路瞬时无功功率理论的谐波电流检测方法是得到公认的较为成熟的方法，但这些方法也存在一些问题有待解决。
Waveshape and Vector Analysis of Interrupting Process in Three-phase Circuit
三相 电路开断过程的波形和矢量解析法
When the three-phase circuit appears to break phase failure and phase stagger the electric circuit can break to open the power supply circuit automatically and to guarantee the normal movement of motors .
当 三相 电路出现断相错相故障时，该电路能自动断开三相电源线路，以保证电机的正常运行。
We get a representative waveform by magnetic flux linkage 's vector transform when one IGBT is in circumstances of short circuit or open circuit in voltage source inverting three-phase circuit .
当逆变 电路中一个IGBT出现短路和断路故障时 电机的电流参数的变化，尤其是电机矢量变换后磁链的变化。
3 ) Research on the zero-current-breaking control ( ZCBC ) for intelligent AC contactor and realize the micro-arc-energy breaking control in three-phase circuit .
进行智能交流接触器零电流分断的研究，并实现了 三相 电路的微电弧能量分断控制。
Builded model and did experiment about the reactive energy metering of three-phase four-wire circuit .
进行 三相四线制 电路的无功计量建模和实验研究。
The Harmonic Influence of Three-phase Rectifier Circuit With Large Capacitor on Electric Network
带大电容的 三相整流 电路对电网的谐波影响
The development and design of virtual experiment for measurement of three-phase AC circuit
三相交流 电路测量的虚拟实验开发与设计三相交流同步发电机
Aiming at the defects of the traditional circuit the method for the digital phase-shifted trigger in three-phase circuit is proposed on the basis of CPLD .
在介绍软并网控制系统的基础上，针对 失速型风电机组的特点提出了一种简单、可靠的数字触发新算法& 双 余算法。
Analysis and calculation on the instaneous reactive power of three-phase circuit
三相 电路瞬时无功功率分析与计算
This dissertation take the application of Internet in the long-distance control as research background take accomplishment of three-phase circuit experiment in the distance as research purpose .
本论文以Internet在远程控制上的应用为研究背景，以远程完成 三相 电路实验为具体研究目的。
As for control circuit a novel detecting method for harmonic current in single-phase circuit is introduced in detail viewed as an extension of the idea of instantaneous reactive power theory in three-phase circuit .
在对 三相 电路瞬时无功功率理论的思想进行扩展的基础上，得到了单相电路谐波电流的瞬时检测方法。
三相电路