接地

登陆舱的缓冲过程从总体上可以分为减速下降和接地缓冲两个阶段。

The cushion process of Lander could be divided into two stages : dropping cushion and landing cushion .

按照现象学的思考方式，论文研究从山地自然场所到人工场地、接地类型、再到建筑场所，层层深入认识，最终意在揭示山地人居环境中广义场所精神的内涵。

According to the thinking manner of phenomenology , thesis study from the hillside natural place to man-made place , landing types , and then to the architecture place , all these are intended to reveal the broad hillside residential environment for spiritual connotations ultimately . C.

基于ARM微处理器的直流系统接地故障检测装置的设计与实现

Design and Implement of DC System Grounding Fault Detecting Device Based on ARM

和Q值可分别由两个接地元件独立调节。

And Q of the circuits are independently controllable through two grounded elements .

由全新观念设计制成的EL型接地刀闸防误闭锁装置

The New Designed & Manufactured Malfunction Prevention Lock Device of EL-type Ground Disconnector

OA设备、网络设备的接地

Earthing System for OA Equipment and Network Equipment

TN系统PEN线接地和电源转换开关极数的确定

Grounding of PEN Conductor in TN System and Pole Number Determination of Power Transfer Switch

石化企业低压TN系统接地故障保护

Grounding protection of low voltage TN system in petrochemical enterprise

从工程实际出发，通过理论计算，给出了UPS设备接地的一种实际方法。

In this paper , one practical method of UPS equipment ground wire is given through the theoretical calculation .

在中性点不接地电网中，由于电磁式电压互感器（以下简称PT）饱和而引起的铁磁谐振是出现最频繁、造成事故最多的一种内过电压。

In ungrounded systems , PT saturation result in ferroresonance is a appear frequently and work accident sort of inner overvoltage .

重点对TN系统、TT系统两种接地型式的接地故障保护要求、参数计算、保护设置等进行分析比较；

It compares and analyses protection requirement , parameters , setting of earthing fault in TN and TT System .

220kVSF6开关弧光接地故障原因分析

Analysis of the 220 kV SF_ 6 Circuit Breaker Arc Ground Fault

探讨了在不同的配电系统中如何根据接地形式正确选用SPD。

How to select SPD according to earthing mode in different power distribution system was also presented .

G.贝克的土壤力学理论为依据，推导橡胶履带车辆接地比压的分布。

This article is based on the theory of soil mechanics by American scientist M.G Beck and derives the ground bearing distribution of vehicles on rubber tracks .

关于6～10kV电网中性点接地方式的讨论

Research on neutral grounding in 6 ~ 10kV power networks

关于黑龙江省600MW机组定子接地保护时限定值的探讨

Stator Ground Protection Time-Lag for 600 MW Generator in Heilongjiang

本文分析了PLC控制系统中干扰信号的主要来源，从PLC的电源、系统输入、输出电路设计、接地、配线等诸方面，介绍有效的抗干扰措施。

The paper analyzes the main sources of interference signals in PLC control system , and presents effective anti-interference measures from the aspects of PLC power , I / O circuit design , earthing and wiring .

本文对PHC桩基础防雷接地装置施工中存在的若干问题及其改进方法进行探讨，并结合工程实际经验提出了建议意见。

This article discusses some issues unsolved about lightning protection grounding device of PHC piles and provides some correction suggestions based on the construction experience .

对于中性点不接地的矿井低压电网，其对地绝缘电阻r，电容C和漏电电阻R，是决定零序电压的3个重要参数。

For an ungrounded neutral low voltage power system in mine , its insulance ( r ) , capacitance ( C ) and leakage resistance ( R ) to the ground are three important parameters in determining the zero sequence voltage .

低压配电TN-S系统的重复接地及安全

Repeatedly Grounding and Safety for TN - S System

SF6电流互感器电场计算及其结构优化根据电场计算方法和物理模型建立了空腹式接地装置的计算等效模型。

Electric Stress Calculation and Design Optimisation of SF_6 Current Transformer According to the characteristic and the precision demand , it improved the electric calculation method of surface charge .

现场的各种干扰影响PLC控制系统的工作可靠性，根据干扰的来源，分别对供电电源、接地装置和输入输出通道采取相应的隔离、接地、抑制等抗干扰措施。

Disturbing signals on site effect the reliability of the PLC controlling system . According to the disturbing sources , some anti-disturbing measures such as insulation to the supply power , ground to the electric equipments , restrain to the input / output channel are adopted .

多回路分析（MLA）方法应用于同步发电机定子绕组内部匝间短路、相间短路以及定子单相接地故障的分析，可以取得比较准确的仿真结果。

It is successful to apply Multi-loop Analysis ( MLA ) to the simulations of synchronous generators on stator internal faults and single-phase grounding faults .

由于电路仅用接地的OTA及电容实现，滤波器的特性决定于跨导电容比，因而这些电路适于实现全集成连续时间电流滤波器。

These circuits encompass grounded OTA capacitors only , so that filter characteristic can be tuned and set-up by adjusting the trans-conductance versus capacitance ratio and can be integrate to realize continuous-time current-mode filter .

并侧重论述GEOX钳型接地电阻测试仪基本原理及其应用。

The principle of the GEOX clamped on ground meter and its application is emphasized .

基于故障行波理论和IEC61850标准，研制了中性点非有效接地系统数字化变电站中的单相接地故障行波选线装置。

A faulty feeder selector based on traveling wave theory and IEC61850 standard is developed for the single-phase grounding fault of digital substation in non-solid grounding power system .

同时利用MATLAB中的小波工具箱对某10kV中性点不接地系统单相接地故障激发的铁磁谐振进行了分析，检测故障发生时刻以及判断谐振的发生和频率。

Besides , the wavelet toolbox in MATLAB is also used to analyze the ferromagnetic resonance caused by single-phase earthed fault in a 10 kV neutral isolated power system , detect the time of the fault and determine the resonance frequency .

文中还设计出基于小波变换的故障类型识别的实用快速算法，该快速算法能免受TA饱和、系统振荡的影响，提高了以往行波故障选相方案在单相或两相接地故障时的可靠性。

The paper also designs the speedy wavelet-based algorithm of the fault-type identification . The algorithm is immune to CT saturation and power swing , and improves the reliability in identifying single / two-phase-to-ground faults with previously proposed phase selection schemes based on traveling waves .

由于不需要接地，CCR解决了常规电阻率法在表层电阻率高的地区难以布极、供电困难等问题。

Because of without grounding , the CCR method solved such problems in ordinary resistivity method that it is difficult to arrange electrode and supply current in the area where the resistivity is very high in near - surface .

采用BPA稳定分析程序对一个实际的单相接地故障进行动态仿真，研究负荷采用不同电动机模型对计算结果的影响，并与PMU录制的电压波形进行比较。

In this paper , a practical single-phase earth fault is dynamically simulated with BPA stability analysis program . The effect of different motor models to calculated results is discussed , and is compared with voltage waveforms of PMU .