Table 722:
Frequency influence (reference standard: IEC 60255–1)
Dependence on
Within nominal range
Influence
Frequency dependence,
operate value
f
n
± 2.5 Hz for 50 Hz
f
n
± 3.0 Hz for 60 Hz
± 1.0% / Hz
Frequency dependence for
distance protection operate
value
f
n
± 2.5 Hz for 50 Hz
f
n
± 3.0 Hz for 60 Hz
±2.0% / Hz
Harmonic frequency
dependence (20% content)
2nd, 3rd and 5th harmonic of f
n
± 1.0%
Harmonic frequency
dependence for distance
protection (10% content)
2nd, 3rd and 5th harmonic of f
n
± 6.0%
Harmonic frequency
dependence for high
impedance differential
protection (10% content)
2nd, 3rd and 5th harmonic of f
n
±5.0%
19.5.4
Type tests according to standard
Table 723:
Electromagnetic compatibility
Test
Type test values
Reference standards
1 MHz Oscillatory burst
disturbance
2.5 kV
IEC 60255-22-1
100 kHz slow damped oscillatory
wave immunity test
2.5 kV
IEC 61000-4-18, Class III
Ring wave immunity test, 100 kHz 2-4 kV
IEC 61000-4-12, Class IV
Surge withstand capability test
2.5 kV, oscillatory
4.0 kV, fast transient
IEEE/ANSI C37.90.1
Electrostatic discharge
Direct application
Indirect application
15 kV air discharge
8 kV contact discharge
8 kV contact discharge
IEC 60255-22-2, Class IV
IEC 61000-4-2, Class IV
Electrostatic discharge
Direct application
Indirect application
15 kV air discharge
8 kV contact discharge
8 kV contact discharge
IEEE/ANSI C37.90.1
Fast transient disturbance
4 kV
IEC 60255-22-4, Class A
Surge immunity test
1-2 kV, 1.2/50
m
s
high energy
IEC 60255-22-5
Power frequency immunity test
150-300 V
IEC 60255-22-7, Class A
Conducted common mode
immunity test
15 Hz-150 kHz
IEC 61000-4-16, Class IV
Power frequency magnetic field
test
1000 A/m, 3 s
100 A/m, cont.
IEC 61000-4-8, Class V
Damped oscillatory magnetic field
test
100 A/m
IEC 61000-4-10, Class V
Table continues on next page
1MRK505222-UUS C
Section 19
IED hardware
1155
Technical reference manual
Summary of Contents for Relion 670 series
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