电快速瞬变脉冲群

这些设备是按照电气、电子产品对于电快速瞬变脉冲群试验的特点和要求而专门设计的，具有可靠性好、性能稳定、使用方便等特点。

These equipments are specially designed according to the characteristics and requirements of EFT measurement , and it is a ideal disturbance source of EMS measurement .

电快速瞬变脉冲群（EFT）实验是微机保护装置最难通过的实验之一，主要原因是由于其上升时间快、重复频率高。

The electrical fast transient ( EFT ) disturbance test is one of the most difficult tests , because it is a fast uprising , repetitive pulse group .

讨论了由于飞机上的电气设备频繁启停、雷电放电等引起的电快速瞬变脉冲群的电磁兼容（EMC）问题，给出了抵抗瞬变脉冲群的电磁兼容标准。

This paper discusses the electromagnetic compatibility problem ( EMC ) of fast transient electric pulse train caused by frequent start of electrical equipment and thunder discharge of electrical equipment , and the EMC standard against transient pulse train is also given in the paper .

矿用线缆电快速瞬变脉冲群骚扰的传输特性

Propagation Characteristics of Electrical Fast Transient / Burst in the Mine Cable

微机保护抗电快速瞬变脉冲群干扰的研究

Research on Electrical Fast Transient Immunity for Protection Equipment

电快速瞬变脉冲群和浪涌干扰机理与抑制技术研究

Research on Mechanism Analysis and Suppression Technology with Respect to EFT and Surge

电快速瞬变脉冲群试验方法研究

Research on Testing Method for Electrical Fast Transient

电快速瞬变脉冲群对矿井大巷电磁辐射环境的影响

Effect of Electrical Fast Transient Burst upon the Electromagnetic Environment in a Mine Tunnel

微机保护装置的电快速瞬变脉冲群抗扰度研究

Electrical fast transient burst immunity of protection equipment

矿井电快速瞬变脉冲群电磁骚扰的研究

Electrical Fast Transient / Burst in Mine

继电器引起的电快速瞬变脉冲群强扰及抗扰度措施

Disturbance rejection degree and countermeasures to the disturbance of electric fast transient pulse caused by relays

电力负荷管理终端电快速瞬变脉冲群试验方法探讨

Probing into Test Method of Electric Fast Transient / Burst Immunity of Electric Power Load Managing Terminal Unit

电快速瞬变脉冲群干扰频谱分析及其导致微机保护非正常重启实例

Frequency-spectra analysis of electrical fast transient / burst and an instance of microprocessor-based protection abnormally reboot caused by EFT / B

对电快速瞬变脉冲群的噪声特点进行了详细的分析，并对呼吸电路的硬件方面提出了进行改进设计方法。

It analyzes the main constitution and principle of electrical fast Transient and gives a design of the respiratory circuit in the hardware .

消防联动控制设备应符合GB16806-1997标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。

Integrated fire control equipment meets the requirements of GB16806-1997.The test items include Electrical transient bursts , Electrostatic discharge , and Radiated electromagnetic fields .

测量结果表明，本文研制的高压重频脉冲电源和组合波发生器输出的电磁干扰信号可用于电快速瞬变脉冲群抗扰度试验和浪涌抗扰度试验。

Experimental results show that the output signals of the developed EFT / B generator and combination wave generator can be used in EFT / B and surge immunity test .

电快速瞬变脉冲群发生器是用于电磁兼容抗扰度试验的设备，目的是用以模拟小感性负载的切换、继电器触点跳动或高压开关装置的切换而产生的干扰信号。

Electrical Fast Transient ( EFT ) generator is one of the testing equipments for electromagnetic compatibility , that simulates interference produced by switching of little inductive load , contact bounce of relay or switching of high-tension switchgear .

明确了其工作时受到的电磁干扰主要包括射频辐射干扰，传导骚扰干扰，雷击浪涌干扰，静电放电干扰，电快速瞬变脉冲群干扰。

This paper also has pointed out that the electromagnetic interference of the centralized meter reading terminal including interference with radio-frequency radiation , conduction disturbance interference , lightning surge , electrostatic discharge immunity and electrical fast transient interference .

在电力系统中，电快速瞬变脉冲群具有上升时间和持续时间短、幅值和重复频率高等特点，其对微机保护装置的干扰长期以来难以克服。

EFT / B ( Electrical Fast Transient Burst ) always interferes with microprocessor protection devices in power system , because it has such features as short rise time , short duration , high amplitude and high repetition rate .

介绍了电力负荷管理终端电快速瞬变脉冲群抗扰度试验的要求、方法；提出了提高终端抗电快速瞬变脉冲干扰的措施。

The test require and technique for electrical fast transient / burst immunity test of the electric power load managing terminal unit are presented , and the effective measure to raise the anti-interference ability of the unit is put forward .

电磁环境重点设计了电快速瞬变脉冲群发生器，并以实际项目为背景，对实验室的框架进行了分析，对测试过程进行了详细说明，针对测试中可能出现的问题并且提出了解决方案。

The electromagnetic environment mainly design the electrical fast transient burst generator , taking the actual project as a background , taking analysis of the laboratory framework , taking detailed describing for the testing process and putting forward a solution plan .

本文所设计的电快速瞬变脉冲群发生器是通过采用充氢闸流管作为主回路放电开关，与其它半导体开关器件相比它能够耐受更高的电压，可以承受大的电压电流变化率，工作可靠。

Works in this paper adopts hydrogen thyratron as the switch of mainly discharging circuit . Comparing with semiconductor switch , it can be with higher tolerance voltage and bear large rate of change of electric current of voltage and work reliable .

然后，通过给微机保护装置的外部端口进行电快速瞬变脉冲群抗扰度试验提出并验证了改进的分布式电源、串联铁氧体磁珠、电磁干扰滤波器和并联瞬态抑制二极管等措施。

Then , the microprocessor protection device is under EFT / B immunity test . Improved distribution power supply , ferrite core , EMI filter and transient voltage suppressor can be used in the microprocessor protection device to control EFT / B through experiments .

电子式电能表电快速瞬变脉冲群抗扰性试验

Electric Fast Transient Burst Anti-interference Test of Electronic Energy Meter