Siemens 7sg15 microtapp - 7. Accuracy

7SG15 MicroTAPP Performance Specification
6. Thermal withstand
6.1 CT Inputs
3.0 x I
n
continuous
3.5 x I
n
10 min
100A
1 sec
2500A
1 cycle
6.2 VT Inputs
250Vrms
continuous
7. Accuracy
7.1 Accuracy Reference Conditions
Settings
All settings
Auxiliary Supply
Nominal
Frequency
50/60Hz
Ambient temperature
20°C
7.2 Accuracy
Bandwidth accuracy
±1% of absolute level
Load measurement
±5% of total substation load
(assuming balance load)
Circulating current
measurement
±5% of non-load current
Repeatability
±1%
Delays
±1% or 0.5 sec
7.3 Accuracy Influencing Quantities
7.3.1 Temperature
Ambient range
-10°C to +55°C
Variation over range
≤ 5%
7.3.2 Frequency
Range
47Hz to 62Hz
Setting variation
≤ 5%
©2010 Siemens Protection Devices Limited Chapter 2 Page 6 of 8