Siemens SIPROTEC 4 7XT71 Mode D'emploi page 37

Damped oscillations
IEC 61000-4-18
High-energy surge voltages
Installation class III IEC 60255-22-5,
IEC 61000-4-5
Auxiliary Voltage
1-Hz-output
Measuring output (cable shield via PE)
EMC Test for Noise Emission (Type Test)
Standard:
Conducted interference voltage, only
auxiliary voltage
CISPR 11
Interference field strength
CISPR 11
SIPROTEC 4, Injection Unit 7XT71, Product Information
C53000-B1175-C128-1, Edition 01.2014
2.5 kV (peak) 100 kHz, 40 chocks
per s; test duration 2 s; R
Impuls:1.2/50 µs
common mode:2 kV; 12 Ω; 9 μF
diff. mode:
common mode:2 kV; 42 Ω; 0.5 μF
diff. mode:
common mode:2 kV; 2 Ω
diff. mode:
IEC/EN 61000-6-4
150 kHz to 30 MHz limit value class A
30 MHz to 1000 MHz limit value class A
= 200 Ω
i
1 kV; 2 Ω; 18 μF
1 kV; 42 Ω; 0.5 μF
coupling into shield
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