The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
After injecting current into the head of line, the detector can check whether these branches flow current, the fault branch is that the current has flowed.
然后在线路首端注入电流，通过探测器检验几个分支上是否有电流流过，检测到电流的即为故障点所在的分支。
The challenge, however, is extracting the spins to form a spin-polarized current and injecting them into a circuit without the polarization degrading along the way.
唯一的挑战是，如何提取自旋来形成一个自旋极化的电流，然后注入到电路中并保持极化在沿途不发生退化。
The principle of capacitance current measurement based on the injecting signal is discussed.
论述了采用注入变频信号测量电容电流的原理。
The three-coaxial and three-parallel experiment equipments and method are introduced for the experiment of current injecting.
介绍了用于电流注入法实验的三同轴和三平行实验装置及实验方法。
The inductive component of substation's grounding impedance is related to the size of the grounding system, soil resistivity and the injecting point of measuring current.
接地网接地阻抗中感性分量与接地网规模、土壤电阻率、电流注入点位置等因素有关。
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.
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。
The injecting saturate minority carrier current may be reduced the most effectively by the first grain boundary.
其中，第一个晶粒间界能够最有效地减少注入饱和少数载流子电流。
Traditional methods for measuring the capacitive current by injecting signals are improved.
对传统的注入信号检测配电网电容电流的方法进行了改进。
Natural fractures and current tectonic stress field control the distribution of the artificial fractures and affect injecting pressure and effect of injecting water.
此外，天然裂缝和现今构造应力场控制了人工压裂缝的展布，并影响油田的注水压力和注水效果。
Moreover, a method of measuring the network capacity current by injecting a 50 Hz current is applied into the neutral point and the error characteristic is analyzed.
采用了注入工频电流法测量电网电容电流，并对该方法的误差特性进行了分析。
On the basic of the rectangular current-injecting power flow algorithm and practice of power system calculation, this paper presents the polar current-injecting power flow algorithm.
在直角坐标形式电流注入型潮流算法的基础上，结合电力系统的实际，推导出了极坐标形式的电流注入型潮流算法。
On the basic of the rectangular current-injecting power flow algorithm and practice of power system calculation, this paper presents the polar current-injecting power flow algorithm.
在直角坐标形式电流注入型潮流算法的基础上，结合电力系统的实际，推导出了极坐标形式的电流注入型潮流算法。
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