
Zinc oxide lightning conductor: equipped with voltage equalization ring, excellent pollution resistance, creepage distance ≥ 25mm/kV, suitable for coastal salt fog or industrial pollution areas;
Surge limiter 330kV Surge limiter
Zinc oxide lightning conductor: equipped with voltage equalization ring, excellent pollution resistance, creepage distance ≥ 25mm/kV, suitable for coastal salt fog or industrial pollution areas;
Linear type lightning conductor without gap: built-in voltage equalization ring design, maximum potential unevenness coefficient ≤ 13.56%, suitable for lightning protection in mountainous areas and areas with high soil resistivity, reduce tripping frequency
Main components: Zinc oxide valve plate as the main body, excellent non-linear current-voltage characteristics, response time ≤ 25ns, suitable for short-circuit current system;
Shell material: silicone rubber composite: excellent weather resistance (-40℃~+85℃), salt fog and UV resistance, IP65 protection level
Auxiliary design: Ring configuration equipment: Optimize the structure by measuring the potential distribution, reduce the unevenness ratio to ≤ 13.56%
Lightning and operational overvoltage protection for 330 kV substation incoming terminals, transformers and power lines, limiting overvoltage to a level below that withstandable by the equipment;
In mountainous areas and areas with high soil resistivity, linear type lightning rods are used to reduce the lightning outage frequency by ≥ 30%;
Adaptation Environment: Composite shell type is preferred in coastal areas with salt fog, combined with a pressure equalization ring to improve stability
For frequent thunderstorms, it is recommended to use ceramic-coated lightning rods in combination with tubular lightning rods to create multi-level protection