1. Brief Introduction
Polymeric housed metal oxide suspension-type arresters for power station is a excellent performance against overvoltage protection equipments, apply to send the substation equipment and cable terminal head overvoltage protection, in power system has been widely promotion and application.
2. Characteristics of the products
l small size ,light weight, easy hanging installation.
l Reliable sealing structure, good sealing performance, moisture-proof, explosion-proof.
l heat dissipation potential is strong, resistors aging resistance performance is good;
l strong mechanical strength, crashworthiness, transportation without damage
l Can withstand multiple lightning strikes, long working life
l Outer insulation USES the high quality silicon rubber,good shape, high tensile strength.
l polymeric housed antipollution, electricity-erode resistance ,anti-aging
l Earthquake intensity is greatly increased, its weight is the product of the sets 1/4 compared with porcelain sets of products
3. Service conditions:
l Ambient air temperature:-40℃~+40℃
l The sun radiation
l The altitude can not pass 2500m
l Ac power frequency:-48Hz~64Hz
l Continuous sinusoidal in the industrial frequency voltage on the lightning arrester is no more than the continued operation voltage
l Maximum sustained winds not more than 35m/s
l The earthquake intensity 8 degrees and the following areas
l Ice cover thickness not greater than 2
l Defilement area above Ⅲ