针对介质损耗测量在准确度和抗干扰等方面的不足，提出了一种基于注入信号法的介损测量新方法。
Traditional methods for the measurement of dielectric loss are difficult to meet the requirement of accuracy and anti-interference.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
本文在对系统进行适当简化的前提下，采用“扰动信号反馈注入法”建立了系统的小扰动端口特性，为系统的静态稳定性分析奠定了基础。
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.
最后，探讨了旋转、脉动高频电压信号注入法下定子电阻对转子位置估算影响的问题。
Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.
介绍一种降低频率的S注入法信号发生装置。
Based on an s injection method of reducing work frequency, a novel signal generator is developed.
本文分析了用脉冲法注入示踪剂时示踪剂的分布、时间与应答信号的测量，以及模型参数的回归等方面的种种误差。
The error in experimental determination of RTD derived from tracer pulse injection, digit time and response measurement, and flow model parameter estimation are discussed.
研究采用高频注入法的无传感器直接转矩控制系统，通过注入特定的高频信号来追踪电机转子的空间凸极效应，以此得到转子位置和速度值。
In the sensorless control system, a specified high frequency signal is injected in to trace the magnetic anisotropy of the motor, by which we can get the value of rotor speed and position.
其次，探讨了一种新的永磁同步电机转子初始位置估算方法——高频电压信号注入法。
Next, it puts forward a new permanent magnetism synchronous machine rotor initial point estimate method - High frequency signals injection method.
本文介绍了一种基于脉动高频电压信号注入法实现面装式永磁同步电机无传感器控制的方法。
A method to implement sensorless control of Surface Mounted PMSM based on fluctuating high frequency voltage signal injection was introduced.
研究了转子位移无传感器检测的两种方法，即小信号注入测试法和差动变压器测试法。
Two methods, which are called as a small test-signal injection and the differential transformer, are studied in order to detect the rotor displacement without sensor.
基于凸极跟踪的思想，详细讨论了高频电压信号注入法在永磁同步电动机无位置传感器运行控制中的应用。
Based on the thought of salient pole tracking, the paper studied the application of this method in sensorless control of PMSM in detail.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
本文列举了适用于谐振接地系统的各类新兴方法。如残流增量法、注入信号寻迹法、行波法、暂态法以及综合选线法。
This paper shows some new methods just like residual flow increment, signal tracking, traveling wave, transient state and complex selection.
在介绍中性点脉宽注入法原理的基础上，讨论了中性点注入信号和中性点接入电阻的选取方法；
After presenting the principle of neutral point pulse width injection methods, the choosing methods of neutral point injected signal and the neutral point connecting resistance are discussed;
在此基础上，选择了对地电容电流测量的注入变频信号法，该测量方法具有测量误差小、实时性良好、安全可靠的特点。
On the basis of this, injecting frequency conversion signal method on measuring capacitive current is selected to use here. It is reliable and its error is small, timeliness is good.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法，解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。
Compared with the injected s signal technique, this method is called low frequency AC signal injection method.
交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。
Compared with the injected s signal technique, this method is called low frequency AC signal injection method.
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