ground impedance
英 [ɡraʊnd ɪmˈpiːdns]
美 [ɡraʊnd ɪmˈpiːdns]
网络 接地阻抗
双语例句
- Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.
对接地阻抗测量原理进行研究，分析推导出接地阻抗计算公式。 - Application of Non-even Mesh Approaches in Ground Loop Coupling Impedance Calculation
不均匀剖分方法在地回路耦合阻抗计算中的应用 - By means of raising the capacitance to the ground of the conductors and reducing the wave impedance of the conductors, the basic theory for raising transmission power of the transmission.
通过提高导线的对地电容，减少导线的波阻抗，为提高输电线的传输功率提供理论基础。 - Classification of Single Phase to Ground Fault Based on Phase-plane and Hierarchical Clustering for Neutral High Impedance Earthed Distribution Networks
应用相平面和分层聚类的配电网单相接地故障特征分类 - Image signal, after compressing process, is modulated, amplified, isolated, and transmitted to the ground through 3000m single armored cable. It is, then, extracted through impedance matching and demodulating.
压缩处理后的图像信号经过调制、放大、隔离，由3000m单芯铠装电缆传输到地面，在地面进行阻抗匹配和解调提取信号。 - Ground impedance assistant measuring based on computer
利用计算机辅助测量接地阻抗 - Accurate fault location technique for phase ground fault through high impedance
高阻接地短路的精确测距方法 - Several improvements are put forward in ground system, which could greatly reduce the impedance of the grounding conductor and duplicate grounding resistance, enhance the balanced voltage, and the correct usage of ground-fault circuit-interrupter and safe disconnecting transformer.
笔者提出多项改进措施，在接地、接零系统中采用大幅度降低保护零线阻抗和重复接地电阻值以及加强等电位措施，正确使用漏电开关及安全隔离变压器等方法。 - Calculate the natural frequency of layered ground based on mechanical impedance method
用机械阻抗法求成层地基的固有频率 - The methods are able to compute any parameter of grounding grids in power current, such as power ground impedance, touch and step voltage, potential differences within grounding grids and so on.
用该方法可以计算接地网的工频电流下的任何参数，如工频接地阻抗、接触电压和跨步电压、网内电位差等。 - The GPD measurements are processed with software which rejects external noise using correlation methods. Subsequently, estimation methods are used to extract the ground potential rise and ground impedance.
它测量被测接地点的接地电势差，利用校正的方法消除外部噪声的影响，再用估测的方法，测得接地电势的升高值和接地阻抗值。 - At last, the finite difference time-domain ( FDTD) method is used to research the transient process of the overhead lines. The results indicate that the ground return impedance has less effect on the self-impedance and more effect on the mutual-impedance.
最后，采用时域有限差分法（FDTD）对架空线的瞬态波过程进行仿真计算，结果表明：土壤阻抗对自阻抗影响较小，对互阻抗影响较大。 - In order to obtain the impedance matching between transmitter and antennas of ground penetrating radar, the impedance of dipole antennas placing on different ground media is calculated with resistance loaded and unloaded.
为保证探地雷达天线与发射系统的良好匹配，文中采用复镜像法分析了贴地偶极天线阻抗在加载和未加载的情况下，天线阻抗随频率和地下煤质参数的变化特性。 - The paper discusses the influences of zero-sequence mutual inductance to ground distance compensation coefficients and zero-sequence zone I of current protection. In addition, it studies the ability of impedance relay standing the transition resistance, and finally puts forward a simplified method for operation of backup relay.
讨论了零序互感对接地距离补偿系数和零序保护Ⅰ段的影响，分析了阻抗继电器躲过渡电阻的问题，提出了后备保护简化配合的方法。 - For the convenience of the time-domain convolution, the vector fitting method is adopted to expand the time-domain form of the ground return impedance into the sum of finite exponential functions which are easy to be treated, and tested to be valid.
为了便于时域卷积，采用矢量匹配法并结合拉普拉斯反变换将该土壤阻抗的时域形式展开为有限项指数函数之和，并验证了方法的正确性。 - This paper presents an accurate location technique for phase ground fault through high impedance using one terminal parameters.
提出一种高阻接地时，利用单端参数进行精确测距的方法。 - Application of PC based instrument for ground impedance measurement can overcome the shortcomings in traditional voltage drop measurements.
采用计算机辅助接地阻抗测量设备，可以克服传统的电压降测量法的种种弊端。 - 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。 - Firstly, the power/ ground resonance and low input impedance with method of cavity model is discussed.
首先从谐振腔模型法入手分析了电源／地平面谐振特性和降低输入阻抗的方法。 - Two novel control systems of neutral-point ground impedance are designed with IGBT.
并采用IGBT控制技术，设计了有源和无源两种配电网中性点接地阻抗控制系统。 - Through analysis and processing of ground data, electrical impedance tomography can objectively reflect some basic characteristics of the geological body, and provide effective foundation for solving practical problems.
电阻率成像通过地电数据分析、处理，可以可观、真实的反映地质体的一些基本特征，为解决实际问题提供有效的依据。 - And then, the simulation analysis for the low resistance ground fault and the high impedance fault of overhead transmission lines is implemented.
然后对架空输电线路的低阻接地故障、高阻故障进行了仿真分析研究。 - Starting with the characteristics of double-circuit line when faults happen, integrating with zero sequence network, the paper analyzed the influences to zero sequence component, pilot protection and ground distance protection, especially the influence to measuring impedance of ground distance protection.
本文从同杆并架双回线的故障特点入手，结合零序等值网络，分析了零序互感对零序方向元件、纵联保护、接地距离保护的影响。 - It also suggests a negative sequence current detection method to discover the fault in the case of one single-phase ground and another phase with high impedance grounding problem ( current leakage).
本文研究了两相接地时主要电气量的变化，提出了将负序电流检测法用于单相接地异相高阻接地（漏电）故障的线路甄别。 - In order to establish a robust power delivery network, the input impedance of the power/ ground plane pair is designed to maintain the target impedance and the placement and value of the decoupling capacitors are also discussed.
为建立良好的供电网络，设计了基于目标阻抗法的电源/地平面输入阻抗，并讨论了电容的选取和放置原则。 - The accurate measurement technology of capacitive current and the flexible control technology of neutral-point ground impedance are always hot topics discussed by distribution system researchers.
配电网电容电流精确测量和中性点接地阻抗灵活控制是国内外配电网研究的热点问题。 - In part of grounding, we discuss the mode selection of signal grounding, the interference principle of ground and the measures suppressing ground interference. Through selecting proper grounding mode and anti-interference measure, it can suppress the interference resulted in common impedance.
接地部分主要讨论了信号接地方式的选择，地线干扰的原理及抑制地线干扰的措施，通过选择恰当的接地方式及抗干扰措施，抑制由于公共阻抗等引起的干扰。 - The basic conception of PBG is formulated. The classification, use and high impedance ground plane of PBG are analyzed, and design principles of impedance ground plane are generalized.
其中重点介绍了PBG的基本概念，分析了PBG的分类、用途和高阻抗表面结构，对高阻抗表面的设计理论做了总结。 - Characteristics of RCS of microstrip antennas with finite ground plate are studied. Methods of loading with lumped impedance and with slots cut in the patch for reducing RCS of microstrip antenna are studied.
研究了地板为有限大的微带天线的RCS特性，并研究了集总阻抗加载和微带贴片表面开槽等降低微带天线RCS的方法。 - The three presented antennas all employ defected ground planes to obtain good impedance matching ( especially for the high frequency band).
所设计的三副天线均采用了DGS（缺陷接地结构），从而获得了良好的阻抗匹配（尤其是在高频波段）。