Siemens SIPROTEC 4 7UT6 Series Manual page 404

Differential protection
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Technical Data
4.1 General
Irradiation with HF field, frequency sweep
IEEE C37.90.2
Irradiation with HF field, single frequencies
IEC 60255-22-3;
IEC 61000-4-3
– amplitude modulated
– pulse modulated
Fast transient disturbance/burst
IEC 60255-22-4 and
IEC 61000-4-4, Class IV
High energy surge voltages (SURGE)
IEC 61000-4-5 InstallationsClass 3
– auxiliary voltage
– Measuring inputs, binary inputs and
relay outputs
Line conducted HF, amplitude modulated
IEC 61000-4-6, Class III
Power system frequency magnetic field
IEC 61000-4-8,
IEC 60255-6
Oscillatory Surge Withstand Capability
IEEE Std C37.90.1
Fast Transient Surge Withstand Cap.
IEEE Std C37.90.1
Damped oscillations
IEC 61000-4-12, IEC 61000-4-18
Ripple on d.c. input power port inmunity
test, IEC 61000-4-17
Gradual shutdown / start-up for d.c. power
supply
IEC 60255-26
Power frequency on binary inputs
IEC 60255-26, IEC 61000-4-16
EMC Tests for the Interference Emission (type test)
Standard:
Conducted interference, only power supply voltage
IEC-CISPR 11
Radio interference field strength
IEC-CISPR 11
404
20 V/m; 80 MHz to 1000 MHz with 80 % AM; 1 kHz
20 V/m; 80 MHz to 1000 MHz with 100 % PM; 1 Hz
Class III: 10 V/m
80/160/450/900 MHz; 80 % AM; duty cycle >10 s
900 MHz, 50 % PM, repetition frequency 200 Hz
4 kV; 5/50 ns; 5 kHz; burst length = 15 ms; repetition rate 300
ms; both polarities;
R
= 50 Ω; test duration 1 min
i
impulse: 1.2/50 µs
common mode: 2 kV; 12 Ω; 9 µF
diff. mode: 1 kV; 2 Ω; 18 µF
common mode: 2 kV; 42 Ω; 0.5 µF
diff. mode: 1 kV; 42 Ω; 0.5 µF
10 V; 150 kHz to 80 MHz; 80 % AM; 1 kHz
100 A/m continuous; 400 A/m for 3 s; 50 Hz 0.5 mT; 50 Hz
2.5 kV (peak value); 1 MHz; τ = 15 µs;
400 Stöße je s; test duration 2 s; R
4 kV; 5/50 ns; 5 kHz; burst length = 15 ms;
repetition rate 300 ms; both polarities;
R
= 50 Ω; test duration 1 min
i
2.5 kV (peak value), polarity alternating 100 kHz; 1 MHz; 10 MHz
and 50 MHz;
R
= 200 Ω
i
15% of U
(100 Hz/120 Hz) of nominal auxiliary voltage
DC
Power supply:
Gradual shutdown / start-up for d.c. power supply
Power off: 5 min.
Start-up ramp: 60 s
Zone A: Common Mode with 300 V (220 Ohm, 0.47 µF),
Zone A: Differential Mode with 150 V (100 Ohm, 0.1 µF)
EN 61000-6–4 (basic specification)
150 kHz to 30 MHz
Limit value class A
30 MHz to 1000 MHz
Limit value class A
= 200 Ω
i
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016

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