In this paper, a new method for DC system grounding fault detecting is presented.
文中提出直流系统接地故障检测方法。
To ensure normal operation of the substation, the DC system grounding fault should be detected as quickly as possible.
为保证直流系统的正常运行，查找直流接地故障的时间应尽可能缩短。
This subject matter is very meaningful to improve the detection of DC system grounding fault and to perfect the safety and reliability of DC system.
本课题的研究对于完善直流系统接地故障检测方法，提高直流系统运行的安全性、可靠性具有特定意义。
Substation DC system grounding of substation equipment will cause damage, at the same time the substation on the safe operation of equipment to produce a great threat to.
变电站直流系统接地将会对变电站的设备造成损害，同时对变电站各设备的安全运行产生极大威胁。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
This article expatiates on the seismological information server system grounding sort of computer room both from theory and technology in China Digital Seismological Observation Network.
本文从理论和实践的角度描述了“中国数字地震观测网络”分项信息服务系统中计算机机房接地系统的分类和它们之间的内在关系。
With the circuit schematic design and the high speed PCB design, completes PCB composition, stackup design, internal layer design, system grounding design and high-speed signal line design.
在电路原理图设计中遵循高速信号电路PCB设计原则，完成了系统PCB的布局、叠层设计、内电层设计、系统接地设计和高速信号线等设计；
While grounding rods are basic and surge protectors can cost as much as $400 or more, a perhaps bigger expense is to organize and maintain the system, he said.
他说，接地棒是最基本的，避雷器成本可能高达400美元或以上，但或许更大的开支是组织和维护这个系统。
Traditionally structures have been protected by the use of air terminals (Franklin Lightning Rods) and a network of downconductors connecting to an integrated grounding system.
传统上，我们使用一根置于空气中的金属终端【富兰克林避雷针】和一条与集成的接地装置连在一起的下导线路来保护建筑物。
For Marine installations, consult your dealer for information regarding an adequate grounding system and prevention of electrolysis.
对于船舶安装，要请教你的经销商关于合适的接地系统的信息，防止意外发生。
The design, construction and operating condition of grounding equipment affect not only safety operation of power system but also electromagnetic interference of substation.
接地装置的设计施工及运行情况的好坏不仅影响电力系统安全运行，也是影响变电站电磁干扰的重要方面。
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
So, how to proceed with the design work of the substation grounding system in permafrost region is a key step in the whole design work.
因此，如何在多年冻土地区进行变电站接地系统的设计，是设计中一项很关键的工作。
The ground connection of the light current system, mainly working grounding, aims to prevent electromagnetic noise and assures the equipment to work steadily and reliably.
弱电系统的接地以工作接地为主，目的是为了防止电磁干扰，保证弱电系统中设备稳定、可靠工作。
Grounding resistance is an important technical parameter of grounding system of electric power plant and transformer substation.
接地电阻值是发电厂、变电站接地系统的重要技术指标。
For example, signal conditioning for audio data from a microphone may involve nothing more than grounding the system properly and perhaps using a lowpass filter.
比如，从麦克风采集的音频信号调节可能涉及以上任何接地系统的正确与否以及是否使用低通滤波器。
Based on the characteristics of TMS320LF2407, this paper presents the application of DSP to single earth fault selection device with small current grounding system.
根据TMS320 LF 2407的特点，介绍了DSP在小电流接地系统单相接地选线装置中的应用。
For example, connecting a steel pipe to a copper pipe or to a copper electrical grounding system results in corrosion of the steel.
例如，把钢管和铜管相连或钢管和铜的接地系统相连就会导致钢的腐蚀。
The CNC system adopts grounding, filtering, shielding and so on for anti-electromagnetic interference.
数控系统抗电磁干扰主要采用接地、滤波和屏蔽三种技术。
Building up soil models in different seasons establishes the foundation for the grounding system design of two substations.
不同季节土壤模型的建立为沱沱河和五道梁两变电站接地系统的设计奠定了基础。
Once the grounding system of HV single-core cable is broken, high floating voltage will appear on its metal sheath, thus causes serious consequence.
高压单芯电缆的接地系统一旦被破坏，在其电缆金属护层上会产生高值悬浮电压而引发严重后果。
In the design of substation grounding system, designers should take into account the aspects of security, scientific, practical, to ensure safe and smooth for the commencement of the construction.
设计人员在设计变电站接地系统时，需将安全、科学、可行等方面考虑在内，确保施工能够安全顺利的展开。
The use of grounding wires in the Heilongjiang electric power system is described.
介绍了黑龙江省电力系统接地线使用的状况。
The paper analyzes interference of jam in the CAT system, and accomplishes anti-jamming hardware design based on design of electromagnetism shield, power supply, transmit lines and grounding system.
本文分析了干扰对某CAT系统的影响，从电磁屏蔽、电源系统、传输线路和接地系统等进行了硬件抗干扰设计。
It is pointed out that in modern lightningproof and grounding systems, it is the structure of the equipotential system not the grounding resistance that matters.
强调了在现代防雷接地系统中，重要的是等电位系统的结构而不是接地电阻阻值的大小。
The proper grounding of laboratory instruments and equipments is critical to the correctness of testing data. The selection and implementation of a laboratory grounding system design is introduced.
实验室仪器设备接地处理不当将直接影响测试数据的准确性，正确选择及实施实验室接地系统方案成为关键。
In our design of grounding system in substation, compound grounding network is adopted widely which is composed of horizontal grids and vertical grounding rods.
在目前国内的变电所接地系统设计中，采用常规水平接地极网加上垂直接地极的型式最为普遍。
In our design of grounding system in substation, compound grounding network is adopted widely which is composed of horizontal grids and vertical grounding rods.
在目前国内的变电所接地系统设计中，采用常规水平接地极网加上垂直接地极的型式最为普遍。
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