Isolating switch, fuse
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Composite insulators play two fundamental roles in overhead transmission lines: supporting the conductors and preventing current from flowing back to ground.
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Drop-out fuses: Protection for short-circuit or overload currents in distribution lines and distribution transformers.
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35kV Substation-Type Lightning Arrester
Lightning arrester: An electrical device used to protect electrical equipment from the hazards of high transient overvoltages caused by lightning strikes, while also limiting the duration and often the magnitude of any follow-current.
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Zinc oxide resistor discs exhibit excellent nonlinear characteristics, with a nearly flat volt-ampere characteristic curve. They are the core component of zinc oxide surge arresters, enhancing both the operational safety of the arrester itself and the protection provided to the equipment it safeguards.
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