[Retracted] Research on Protection Performance of Surge Protective Devices against Electromagnetic Pulse

Table 4

Test results of MOV’s ability to suppress electromagnetic pulse.

Pulse type	Narrow pulse		Wide pulse
Number of times	Injection voltage peak	Device response residual voltage peak	Injection voltage peak	Device response residual voltage peak
1	258	117	400	390
2	430	137	612	610
3	622	202	740	730
4	932	316	950	840 (790)
5	1252	408	1170	864 (808)
6	1650	520	1470	876 (780)
7	1850	592	1770	888 (796)
8	2130	648	1930	912 (800)
9	2430	740	2470	984 (948)
10	2790	820	2770	1008 (980)
11	3030	880	3170	1168 (992)

Note: The voltage in brackets is the clamping voltage, and the nominal value of the device is 621 V.