电快速瞬变脉冲群 EFT/B(Electrical Fast Transient/Burst)是指数量有限且清晰可辨的脉冲序列或持续时间有限的振荡,脉冲群中的单个脉冲有特定的重复周期、电压幅值,上升时间,脉宽。
介绍了电能表在进行电快速瞬变脉冲群(eft)抗扰度试验时的一种脉冲个数测量方法。
The electrical fast transient (EFT) disturbance test is one of the most difficult tests, because it is a fast uprising, repetitive pulse group.
介绍了多功能电能表开展电快速瞬变脉冲群抗扰性试验的原因,试验的必要性,试验方案和结果分析。
This paper introduces the reason of electrical fast transient-burst immunity test of multifunction watt-hour, the necessity, the method and the analysis about result.
火灾报警控制器应符合GB4717-1993 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。
Control and indicating equipment (c. i. e) meets the requirements of GB4717-1993. The test items include Electrical transient bursts , Electrostatic discharge , and Radiated electromagnetic fields.
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