Polymer Housed Surge Arresters Polimer Housed Surge Arresters

Overview
Ang mga standard na SVN, PH3 ug PH4 station class arresters mao ang magamit sa mga sistema nga may voltage gikan sa 22.86 kV hangtod sa 500 kV (maksimum 24 kV hangtod sa maksimum 550 kV). Sila naghatag og attractive nga alternative sa mga porcelain housed arresters (MVN family), walay pagkawas sa protective capability o energy handling capability, para sa mga kasong di nimo kinahanglanon ang mataas nga mechanical strength sa porcelain ug ang mas kaayo nga weight mahimong advantage. Padulong, ang mga SVN, PH3 ug PH4 families (hangtod sa 230kV MCOV) adunay ang requirements alang sa High Seismic Performance sumala sa IEEE Standard 693-2018.

Construction
    "Tube" design, gamiton ang fiberglass reinforced epoxy tube overmolded uban sa silicone rubber weathershed housing
    Single column of MOV discs ug aluminum spacers (kon needed) centrally located within housing
    Disc column nahimong high spring compression taliwala sa ductile iron end fittings affixed sa housing
    Directional pressure relief system built integrated into end fittings

At-a-Glance
    High leakage distance designs (standard designs at least 28% more leakage distance than IEEE C62.11 minimum); higher leakage distance designs available for high pollution areas
    Up to 47% lighter than comparable porcelain arresters
    Resilient polymer housing resistant to mechanical damage
    Tested to 63kA rated short circuit current; can handle reclosures with no concern for housing fragmentation

Technology parameters