冲击放电电压（impulse sparkover voltage），是指绝缘介质在冲击电压作用下发生击穿时的电压。
通过操作冲击电压的生物放电试验，研究了带电作业中屏蔽服对人体的防护效果。
Through the breakdown tests of life-form under switching impulse voltage, the protective effect of conductive clothes is studied.
该式能把工频电压和雷电冲击电压下空气隙的放电曲线箍在特定的范围内。
The discharging curves for power frequency voltage and lightning impulse voltage are measured and its fluctuation range caused by variation of air condition is found.
采取测量位置与冲击电压源分隔的测试方法，避开放电时的强烈干扰。
The test way adopted is that the measured place is separated from the sourse of impulse voltage, in order to avoid the strong disturbance by discharge.
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