Polymer Surge arreter 132 kV/10kA
Surge arrester can be divided into many types according to its application as below:
Distribution type,power station type,protecting capacitor type,transformer neutral point type ,protecting motor type,electrified railway type,line type.etc.
Line type surge arrester can be divided into series spacing type and without spacing type and in series spacing type can be divided into supporting spacing and sure air spacing type.
2.Main Product Features:
2.1It has a series of outstanding features such as good protection performance,high circulating capacity ,less reaction time,smooth steep-wave characteristic.
2.2 Excellent silicon rubber material is used in composite housing,possessing good anti-tracking and ageing-resistant performance as well as good hydrophobicity ,ion transferring and high pollution proof.
2.3 Special technique and internal structure are used in composite housing surge arrester,possessing higher technical strength and good explosion-proof performance.
3.1 Ambient Temperature:≥ - 40 ℃，≤ + 50 ℃ ;
3.2 Altitude: ≤ 1000m;
3.3 Frequency ：≥ 48 Hz ，≤ + 50 Hz;
3.4 Power Frequency Voltage exerted long-time on surge arrester shall not exceeds continuous operation voltage;
3.5 Earthquake intensity is not more than 7 grades;
3.6 Wind speed is not more than 35mm/s;
Usage under exceptional conditions shall be negotiated by both parties.
5 Technical Character:
5.1 Type designation : Polymer type
5.2 Applicable standard :IEC 60099-4
5.3 Class (outdoor/indoor):Outdoor
5.4 Ambient temperature : -40 to +55 °c
5.5 Max. design altitude :2500m
5.6 Pollution level :Very heavy
5.7 Design siesmic acceleration :0.35
5.8 max. permissible wind velocity :50 m/s
5.9 Relative humidity ：90%
5.10 Solar radiation ：1.1 w/m²
5.11 Nominal system voltage：131kV
5.12 Max. system voltage :145kV
5.13 Rated voltage (Ur) :120
5.14 Continuous operating voltage (Uc):96 KVrms
5.15 Nominal discharge current (In) : 10 KApeak
5.16 Line discharge class (LDC) : 3
5.17 Energy absorption capability (2 Impulse) :≥9.5 Kj/KV(Ur)
5.18 High current impulse withstand :100KApeak
5.19 Steep current impulse10KA (1/20 µs):≤310 KVpeak
5.20 Steep current impulse 20KA (1/20 µs):≤345KVpeak
5.21 lightning impulse residual voltages (8/20 µs): 5 KA ≤282KV peak ,10 KA ≤294KV peak,20 KA≤328 KV peak
5.22 Switching impulse residual voltages (30/60 µs): 125(A) ≤229 KV peak ; 250(A)≤234 KV peak 500(A) ≤241KV peak; 1000(A) ≤248 KV peak; 2000(A) ≤260KV peak
5.23Temporary overvoltage withstand (Prestressed) 1 Second 138 KVrms ; 10 Second 132KVrms ; 100 Second126KVrms
5.24Max. internal partial discharge at 1.05Uc <10 pc
5.25 Power-frequency withstand voltage : Dry520kV ; Wet 419 kV
5.26 lightning impulse withstand voltage: Dry 860kV; Wet700 kV
5.27Rated frequency: 50-60 Hz.
5.28Reference voltage of 1mA DC (U1mA DC) 1mA ≥170 KVDC
5.29Diameter : φ210/φ174 mm
5.30Height : 1686 mm
5.31 Total weight of arrester :42kg
5.32Total creepage distance of arrester :4850mm
5.33 Total arc distance of arrester1400mm
5.34 Specified Short term Load (SSL) :4700 N.m
5.35 Specified Long term Load (SLL) : 1880 N.m
5.36Mean value of Breaking Load (MBL): 6000N.m
5.37Torsional strength : 250N.m
5.38 Tensile strength: 2KN