Power system circuits bear large load current and complex instantaneous current impact, which puts forward higher requirements for fuse protection performance. Many engineers only focus on current value while ignoring other important parameters.
Ambient temperature, working voltage and surge current will directly affect the actual protection effect of fuses. Blindly choosing large current fuses will lose protection effect and bring hidden dangers.
This article sorts out all core selection factors for power system fuses, combining practical engineering cases to provide clear matching ideas for power distribution equipment configuration.
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