Metal-Oxide Surge Arrester

Table 2- Main Technical Parameter of Polymer Housing Metal-oxide Surge Arrester (Nominal Discharge Current: 5kA, Design Model: E1)

Manufacture VECAS Rated Volatage(Ur) kV 3 6 9 10 11 12 15 18 21 24 27 30 33 36 Nomainal discharge current(In) kA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 Type YH5W-3 YH5W-6 YH5W-9 YH5W-10 YH5W-11 YH5W-12 YH5W-15 YH5W-18 YH5W-21 YH5W-24 YH5W-27 YH5W-30 YH5W-33 YH5W-36 2 Maximun continuous operating volatage(Uc) kV 2.55 5.10 7.65 8.40 9.35 10.20 12.70 15.30 17.00 19.50 22.00 24.40 26.7 29.00 3 Residual voltage at 3.1 -Lightning impule 8/20μs kV 8.6 17.2 25.8 28.5 31.4 34.4 43.0 47.5 57.0 66.5 76.0 83.7 95.0 104.5 3.2 Steep current impulse 1/10μs kV 9.9 19.8 29.7 32.8 36.1 39.6 49.5 54.6 65.5 76.4 87.4 96.2 109.2 125.2 3.3 Switching impulse 30/60μs kV 7.3 14.6 21.9 24.2 26.7 29.2 36.5 40.3 48.4 56.5 64.6 71.1 80.7 88.8 4 Long duration current impulse withstand 4.1 -2ms rectangular current withstand A 100 100 100 100 100 100 100 100 100 100 100 100 100 100 5 Operating duty 5.1 4/10μs high current impulse withstand kA 55 55 55 55 55 55 55 55 55 55 55 55 55 55 6 Housing insulation withstand 6.1 Lightning impulse kV 40 60 65 75 85 95 105 120 125 135 155 170 185 190 6.2 -Power frequency, (wet) kV 20 25 30 30 40 40 50 55 58 60 65 70 75 85 7 Partial discharge pC <10 8 Creepage distance mm 169 235 301 301 367 367 433 499 565 631 679 763 829 900 9 Creepage distance/ rated voltage radio mm/kV 56.0 39.0 33.4 30.1 33.3 30.5 28.8 27.7 26.9 26.3 25.8 25.4 25.1 25.0 10 Mecharical section length (Drawing "H") mm 110 135 160 160 185 185 210 235 260 285 310 335 360 385 11 Shed number pcs 2 3 4 4 5 5 6 7 8 9 10 11 12 13 12 Mechanical strength 12.1 -Torsional Nm 60 60 60 60 60 60 60 60 60 60 60 60 60 60 12.2 -Cantilever N 147 147 147 147 147 147 147 147 147 147 147 147 147 147 13 Package data 13.1 -Net weight of each unit Kg 1.03 1.17 1.33 1.35 1.48 1.48 1.64 1.76 1.95 2.11 2.29 2.38 2.56 2.67 13.2 Dimensions 6PCS/CTN) cm 33x32x23 36x32x23 38x32x23 38x32x23 40x32x23 40x32x23 43x32x23 45x32x23 48x32x23 50x32x23 53x32x23 55x32x23 58x32x23 60x32x23 14 Figure No. Fig.A1 Fig.A2 Fig.A3 Fig.A3 Fig.A4 Fig.A4 Fig.A5 Fig.A6 Fig.A7 Fig.A8 Fig.A9 Fig.A10 Fig.A11 Fig.A12

Table 3- Main Technical Parameter of Polymer Housing Metal-oxide Surge Arrester (Nominal Discharge Current: 5kA, Design Model: S1)

Manufacture VECAS Rated Volatage(Ur) kV 3 6 9 10 11 12 15 18 21 24 27 30 33 36 Nomainal discharge current(In) kA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 Type YH5W-3 YH5W-6 YH5W-9 YH5W-10 YH5W-11 YH5W-12 YH5W-15 YH5W-18 YH5W-21 YH5W-24 YH5W-27 YH5W-30 YH5W-33 YH5W-36 2 Maximun continuous operating volatage(Uc) kV 2.55 5.10 7.65 8.40 9.35 10.20 12.70 15.30 17.00 19.50 22.00 24.40 26.7 29.00 3 Residual voltage at 3.1 -Lightning impule 8/20μs kV 8.4 16.8 25.2 27.9 30.7 33.6 42.0 46.5 55.8 66.1 74.4 83.7 93.0 102.0 3.2 Steep current impulse 1/10μs kV 9.6 19.2 28.8 32.0 35.3 38.6 48.0 53.5 64.1 74.8 85.5 96.2 106.9 117.6 3.3 Switching impulse 30/60μs kV 7.1 14.2 21.3 23.7 26.0 28.4 35.5 39.5 47.4 55.3 63.2 71.1 79.0 87.7 4 Long duration current impulse withstand 4.1 -2ms rectangular current withstand A 150 150 150 150 150 150 150 150 150 150 150 150 150 150 5 Operating duty 5.1 4/10μs high current impulse withstand kA 65 65 65 65 65 65 65 65 65 65 65 65 65 65 6 Housing insulation withstand 6.1 Lightning impulse kV 40 60 65 75 85 95 105 120 125 135 155 170 185 190 6.2 -Power frequency, (wet) kV 20 25 30 30 40 40 50 55 58 60 65 70 75 85 7 Partial discharge pC <10 8 Creepage distance mm 140 205 270 270 335 335 400 465 530 600 675 750 855 920 9 Creepage distance/ rated voltage radio mm/kV 46.7 34.2 30.0 27.0 30.0 27.9 26.6 25.8 25.2 25.0 25.0 25.0 25.9 25.5 10 Mecharical section length (Drawing "H") mm 85 110 135 135 160 160 185 210 235 260 285 310 360 385 11 Shed number pcs 2 3 4 4 5 5 6 7 8 9 10 11 13 14 12 Mechanical strength 12.1 -Torsional Nm 60 60 60 60 60 60 60 60 60 60 60 60 60 60 12.2 -Cantilever N 147 147 147 147 147 147 147 147 147 147 147 147 147 147 13 Package data 13.1 -Net weight of each unit Kg 1.09 1.28 1.47 1.47 1.66 1.66 1.83 2.03 2.23 2.43 2.59 2.82 3.15 3.35 13.2 Dimensions 6PCS/CTN) cm 31x32x23 33x32x23 36x32x23 36x32x23 38x32x23 38x32x23 41x32x23 43x32x23 45x32x23 48x32x23 51x32x23 53x32x23 58x32x23 60x32x23 14 Figure No. Fig.A13 Fig.A14 Fig.A15 Fig.A15 Fig.A16 Fig.A16 Fig.A17 Fig.A18 Fig.A19 Fig.A20 Fig.A21 Fig.A22 Fig.A23 Fig.A24