Electrical Tests - Siemens Reyrolle 7SR45 Manual

Self powered/dual powered non-directional overcurrent and earth fault relay
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4.8

Electrical Tests

Type Test
Insulation resistance
Impulse voltage withstand
AC dielectric voltage
Slow damped oscillatory
10
wave
Electrostatic discharge
Electrical fast transient or
burst
10
Surge immunity
Radiated immunity
Conducted radio frequency
interference
10
Power frequency magnetic
field
Damped oscillatory
magnetic field value
8
All aspects of IEC 60255-5 are covered under IEC 60255-27.
Flag output and pulse output are excluded between any terminals and ground.
9
Not applicable for flag output and pulse output.
10
11
Additional 50 ms DTL pickup delay applied to binary inputs
Reyrolle, Hardware, Manual
C53000-T7040-C101-2, Edition 09.2020
Reference
8
IEC 60255-27
Edition 2.0
IEC 60255-27
Edition 2.0
IEC 60255-27
Edition 2.0
IEC 60255-26
IEC 60255-26
IEC 60255-26
11
IEC 60255-26
10
IEC 60255-26
IEC 60255-26
IEC 60255-26
IEC 61000-4-10
Requirement
Insulation resistance >100 MΩ at DC 500 V
,
Test duration: > 5 s
(Between any terminal and earth, independent
9
circuits)
5 kV, 1.2/50 µs, 0.5 J
8
,
5 positive, negative pulses
(Between all terminals and case earth and any 2 inde-
pendent circuits)
All case terminals connected together AC 2 kV RMS, 1
8
min
(Between terminals of independent circuits)
AC 1 kV RMS, 1 min
(across normally open contacts)
Common mode:
Test voltage: 2.5 kV peak voltage
Differential mode:
Test voltage: 1.0 kV peak voltage
Test duration: 2 s
Source impedance: 200 Ω
Voltage oscillation frequency: 1 MHz
Repetition frequency: 400 Hz
8 kV air discharge
6 kV contact discharge
Zone B
Test severity amplitude: ± 2 kV
Repetition frequency: 5 kHz
Test level: Zone A
Phase-to-phase: 0.5, 1, 2 kV
Phase-to-earth: 0.5, 1, 2, 4 kV
Front time/time to half-value: 1.2/50 µs
Source impedance: 2 Ω
Test field strength, frequency band
80 MHz to 1.0 GHz and 1.4 GHz to 2.7 GHz
Field strength: 10 V/m (RMS)
Test using AM: 1 kHz/80 %
150 kHz to 80 MHz
10 V
, dwell time: 0.5 s
RMS
30 A/m applied for 1 min,
300 A/m applied for 3 s
0.1 MHz and 1.0 MHz, 100 A/m
Technical Data

4.8 Electrical Tests

9
9
41

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