Surge protective method by self-control surge current triggered gap discharge
A technology for triggering gaps and triggering electrodes, which is used in emergency protection circuit devices, electrical components, and circuit devices for limiting overcurrent/overvoltage, and can solve problems such as large inter-electrode capacitance, short-circuit effect, and slow response time. , to achieve the effect of large surge current capacity, low residual voltage characteristics, and short response time
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[0034] Below in conjunction with accompanying drawing, the present invention will be further described.
[0035] It can be seen from Fig. 1 that two sets of surge protection circuits are connected in parallel on the protected line 7 of the principle schematic diagram, one set is an auxiliary discharge line with trigger poles 3 and 4 and surge protection unit 5, and the other set is an auxiliary discharge line with main Discharge gap 6 and the main discharge line of the two electrodes 1 and 2.
[0036] A trigger unit 5 and a series connection of two trigger poles 3 , 4 capable of generating an arc are contained in the auxiliary discharge line with trigger poles 3 and 4 . Among them, the trigger unit 5 can use a solid discharge tube, a varistor, other surge protection components or a combination circuit of various surge protection devices; it can also be a series overload, short circuit protection unit or impedance. When the protected line has an overvoltage and exceeds the spe...
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