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1·Impedance transformer is one kind of main equipment of track circuit in electrification district.

扼流变压器是电化区段构成轨道电路的主要设备之一。

2·The second amplifying device is connected to the summing node via an output matching circuit and a second impedance transformer containing a transmission line.

所述第二放大装置经由 输出匹配电路以及包含传输线的第二阻抗变换器连接到所述求和结 点。

3·Because the impedance fault location method is easily influenced by the factor such as fault resistance, transformer error and asymmetrical line configuration, the fault location accuracy is lower.

由于阻抗法易受过渡电阻、互感器误差、线路结构不对称等因素的影响，所以测距精度不高。

4·The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.

叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。

5·On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.

针对高压交流配电系统，提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。

6·The parallel transformer can exhibit controllable impedance under the control of power electronic converters.

通过电力电子变换器的控制，使得并联变压器呈现可控的阻抗。

7·The design method of the high voltage and the fast response time pulse transformer used in the condition of low load impedance was introduced.

介绍了工作于低阻抗负载下的高压大电流快响应脉冲变压器的一种设计方法。

8·Also compared to the short circuit impedance method, it is more sensitive to distribution inductance and capacitance effecting on the transformer distortion.

它与短路阻抗法相比，对影响变压器变形的分布电感和电容更为灵敏。

9·Based on the analysis of the structural type, capacitance and impedance voltage of grounding transformer, a proper method of choosing grounding transformer is proposed in this paper.

通过接地变压器结构型式、容量和阻抗电压的分析研究，得出正确选择接地变压器的方法。

10·The output characteristic of non impedance matching balance traction transformer is deduced by employing the theory of multiwinding transformer and with considering the leakage impedance of windings.

考虑绕组漏阻抗，应用多绕组变压器理论导出了非阻抗匹配平衡牵引变压器的输出特性；