IEC 61000-2的本节定义了高空 电磁脉冲（HEMP）环境是 高空核爆炸的后果。 处理这一问题的人考虑两种情况: -高空核爆炸； -低空核爆炸。 对于民事系统来说，最重要的情况是高空 核爆炸。在这种情况下，核武器的其他影响 爆炸:爆炸、地面冲击、热电离和核电离 地面不存在辐射。然而 与爆炸有关的电磁脉冲可能导致 通信、电子和通信系统的中断和损坏 电力系统因此扰乱了现代电力系统的稳定性 社会 本标准的目的是建立通用的参考标准 HEMP环境，以便选择要应用的真实应力 评估其性能的设备。

This section of IEC 61000-2 defines the high-altitude electromagnetic pulse (HEMP) environment that is one of the consequences of a high-altitude nuclear explosion. Those dealing with this subject consider two cases: - high-altitude nuclear explosions; - low-altitude nuclear explosions. For civil systems, the most important case is the high-altitude nuclear explosion. In this case, the other effects of the nuclear explosion: blast, ground shock, thermal and nuclear ionizing radiation are not present at the ground level. However the electromagnetic pulse associated with the explosion may cause disruption of, and damage to, communication, electronic and electric power systems thereby upsetting the stability of modern society. The object of this standard is to establish a common reference for the HEMP environment in order to select realistic stresses to apply to victim equipment for evaluating their performance.