Zinc oxide Arrester | Global Trade leader ecrobot

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Zinc oxide Arrester

Posting date : Mar 17, 2014

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Free Member Scince Mar 14, 2014

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MACHINERY & ELECTRICAL | Electrical

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85-

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Zn lightning arrester is a kind of world advanced over-voltage protector at present, due to its core components of resistance applying Zn and other metal oxide. Comparing with traditional carborundum arrester, it improves greatly V-A features of resistance, increases the getting trough ability of resistance, thereby it brings fundamental change to features of arrester. Under normal working voltage, the current passing arrester only is UA class, when bearing over voltage, the excellent non-linear V-A features of arrester would make effect, the current passing through the arrester increase high to thousands of ampere instant, the arrester is under getting through state, to release over-voltage energy, therefore it effective limits the damage to power transmission equipments due to over voltage. Usage feature: Zn lightning arrester is the protective electrical equipment to protect AC electrical system and prevent the damage of high voltage and over voltage operation. Main technical parameter: Model System voltage(kv) Rated voltage(kv) Continuous operating voltage(kv) UlmAD.C≮kv Nominal discharging current residual voltage ≯kv Industrial frequency reference voltage ≥kv 2ms wave discharge capacity A HY1.5W-0.28/1.3 0.22 0.28 0.24 0.60 1.3 0.28 75 HY1.5W-0.5/2.6 0.38 0.5 0.42 1.20 2.6 0.5 75 HY5WS-10/30 6 10 8 15 30 10 100,150 HY5WSZ-10/27 6 10 8 15 27 10 200,400 HY5WR-10/27 6 0 8 15 27 10 200,400 HY5WS-17/50 10 17 13.6 25 50 17 100,150 HY5WZ-17/45 10 17 13.6 24 45 17 400 HY5WR-17/45 10 17 13.6 24 45 17 400,600 HY5WT-42/120 27.5 42 34 65 120 42 400,600 HY5WZ-51/134 35 51 41 73 134 51 400,600 HY5WZ-53/134 35 53 41 75 134 53 400,600 HY1.5W-30/85 35 30 30 48 85 330 400,600 HY10W-100/260 110 100 78 145 260 100 600,800 HY10W-102/266 110 102 80 148 266 102 600,800 HY1.5W-72/186 110 72 58 103 186 72 600,800 HY1.5W-73/200 110 73 60 105 200 73 600,800 HY10W-200/520 220 200 156 290 520 200 600,800 HY10W-204/532 220 204 159 296 532 204 600,800 HY1.5W-144/320 220 144 116 205 320 144 600,800