ABB's Lightning protection valve

0VND

Description

Brief performance data
Arrester classification as per IEC 60099-4 Ed 3.0
Arrester classification as per IEEE Std C62.11-2012
Station; SM
Station
System voltages (Us) 52 – 420 kV
Rated voltages (Ur) 42 – 396 kV
Nominal discharge current (IEC) 10 kApeak
Lightning impulse classifying current (ANSI/IEEE) 10 kApeak
Charge, energy and current withstand:
Repetitive charge transfer rating, Qrs (IEC)
Thermal energy rating, W
th (IEC)
Single impulse energy capability (2 ms to 4 ms impulse)
Discharge current withstand strength:
High current 4/10 µs
Low current 2000 µs, (based on Q
rs)
Energy class as per IEEE standard (switching surge energy rating)
Single-impulse withstand rating as per IEEE standard
Repetitive charge transfer test value – sample tests on all manufactured block batches
2.0 C
8 kJ/kV (U
r)
4.5 kJ/kV (U
r)
100 kA
peak
1000 Apeak
E
2.2 C
2.7 C
Short-circuit/Pressure relief capability 65 kArms(sym)
Mechanical strength:
Specified long-term load (SLL)
Specified short-term load (SSL)
2500 Nm
4000 Nm
Service conditions:
Ambient temperature
Design altitude
Frequency
-50 °C to +45 °C
max. 1000 m
15 – 62 Hz

 

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