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Polymer Housed Metal Oxide Arrester For Transmission Line

Product summary:
System nominal voltage:35,110,220,500kvmrs
rated voltage(kvrms):42-396 kvrms
Environment temperature: -40--+40 degree
sea level elevation:<2000m
power-frequency withstand voltage :82-510 kvrms
Power frequency voltage should not be more than continuous running voltage
Max wind speed should be less than 35m/s
Earthquake intensity should be less than 7 degree

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Product name:
Polymer housed metal oxide arrester for transmission line
(belongs to class surge arresters)
Product summary:
System nominal voltage:35,110,220,500kvmrs
rated voltage(kvrms):42-396 kvrms
Environment temperature: -40--+40 degree
sea level elevation:<2000m
power-frequency withstand voltage :82-510 kvrms
Power frequency voltage should not be more than continuous running voltage
Max wind speed should be less than 35m/s
Earthquake intensity should be less than 7 degree
Product feature:
Metal oxide arrester for transmission lines is a new type protection device for over-voltage,which has much more merits,such as:tiny power frequency flow current,reliable arcing suppressing,low weight,good pollution tolerance,good electrical erosion,anti-aging,small volume,not easily damaged normally free maintenance,convenient installation and can withstand multiple lightning,etc,and widely used in the transmission lines from lightning impulse,reducing lightning trip-out rate,particularly applicable to the area with frequent lightning activities,higher soil resistance,and also for the area difficult to be examined and sited.

Main types and technical parameter of polymer housed metal oxide surge arresters


type

Rated
voltage
(kvrms)

Continuos
operating
voltage
DC.reference
voltage
Rasidual voltage≤kvp 2ms 
rectangular
withstand

4/10μs
high current
impulse
withstand

30/60 
switching
impulse 
8/20 
lightning
impulse
1/10 steep
impulse
YH10W-3 3 2.55 4.9 7.7 9.6 10.5 300 65
YH10W-6 6 5.1 9.8 15.4 19.2 21 300 65
YH10W-9 9 7.65 14.1 22.3 27.5 30.3 300 65
YH10W-10 10 8.4 15.8 25 31 34 300 65
YH10W-12 12 10.2 19.4 30.7 38 42 300 65
YH10W-15 15 12.7 24 38.2 47 51.7 300 65
YH10W-18 18 15.3 28.2 44.5 55 61 300 65
YH10W-21 21 17 31 49.4 61 67.5 300 65
YH10W-24 24 19.5 36 57 70 77 300 65
YH10W-27 27 22 41 64 79 86.6 300 65
YH10W-30 30 24.4 45 70.6 87 95.7 300 65
YH10W-33 33 27 49 77.3 96 106 300 65
YH10W-36 36 29 53 82.4 102 112 300 65
YH10W-54 54 43 76 114 134 154 400 65
YH10W-84 84 67.2 121 188 221 254 600 100
YH10W-90 90 72.5 130 201 235 264 600 100
YH10W-100 100 78 145 221 260 291 800 100
YH10W-108 108 84 157 239 281 315 800 100
YH10W-192 192 150 280 426 500 560 800 100
YH10W-216 216 168.5 314 478 562 630 800 100

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