Wheatstone bridge has a "generator", four impedance "arms", and a "detector".
惠斯通电桥有一个信号发生器,四个阻抗桥臂和一个检测器。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而不同容量的负载,以及负载的不同功率因数,对同步发电机励磁磁场的作用是不同的,对同步发电机的内部阻抗压降的作用也是不一样的。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
g在汽轮机不同转速时,测量发电机转子绕阻的绝缘电阻及交流阻抗,功率消耗。
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.
基于交流阻抗和两极电压试验数据的分析,发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
Generator neutral ground methods include non-ground, low impedance ground, high impedance ground and arc-suppression coil ground.
发电机中性点运行方式有中性点不接地、小阻抗接地、高阻抗接地、消弧线圈接地。
The current situation of generator loss of excitation protection and the usual scheme of loss of excitation protection based on impedance principle are introduced.
介绍了发电机失磁保护的现状以及常用的阻抗原理失磁保护方案。
The problem of impedance matching must be considered in order to transmit the signal of generator to the load efficiently and distortionless by transmission lines.
为了使传输线能够将信号源的信号高效不失真地传送到负载,需要考虑阻抗匹配问题。
The second effect is the rise in voltage resulting from the capacitive current of the line flowing through the source (generator) impedance.
第二个影响是线路电容电流流过电源,阻抗引起的电压升高。 收藏。
Based on the model of equivalent circuit of a asynchronous generator at steady-state operation, the loop impedance equation of it are listed in this paper.
从异步发电机稳态运行的等效电路模型出发,列写了等效电路模型的回路阻抗方程,令回路阻抗实部和虚部分别为零,建立方程组。
According to the impedance characteristics of the generator and the characteristics of the change of excitation voltage, a relatively self - contained and integrated scheme is proposed.
根据失磁过程机端电压特性和励磁电压变化特性,提出了一种综合的、较为完备的计算机失磁保护方案。
Be practiced in using of the common RF test and analyzing instruments, such as Signal Generator, Oscilloscope, Spectrum Analyzer , Impedance Analyzer and Net Analyzer;
熟练使用信号源、示波器、频谱仪、阻抗分析仪和网络分析仪等常用射频测试仪器进行测试、评估和调试;
Be practiced in using of the common RF test and analyzing instruments, such as Signal Generator, Oscilloscope, Spectrum Analyzer , Impedance Analyzer and Net Analyzer;
熟练使用信号源、示波器、频谱仪、阻抗分析仪和网络分析仪等常用射频测试仪器进行测试、评估和调试;
应用推荐