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Characteristic
Value
Trip time accuracy in definite time mode
±1.0% of the set value or ±20 ms
Trip time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3)
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1)
Pickup value = 1.0 × V
n
, Voltage before fault = 1.1 × V
n
, f
n
= 50 Hz, undervoltage in one phase-to-phase with
nominal frequency injected from random phase angle, results based on statistical distribution of 1000
measurements
2) Includes the delay of the signal output contact
3) Minimum
Pickup value = 0.50, PIckup value multiples in range of 0.90...0.20
4.5.2.11
Technical revision history
Table 531:
27 Technical revision history
Technical revision
Change
B
Step value changed from 0.05 to 0.01 for the
Time
multiplier setting.
C
Curve Sat relative max range widened from 3.0 to
10.0 % and default value changed from 2.0 to 0.0 %.
D
Added setting
Type of time reset.
4.5.3
Residual overvoltage protection 59N, 59G
4.5.3.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Residual overvoltage protection
ROVPTOV
Uo>
59N, 59G
4.5.3.2
Function block
GUID-F809C4BA-65E7-46D0-A46A-F51E7B90F1BA-ANSI V1 EN
GUID-AC9C406F-1A77-4135-A0A4-6F726EB18E1E V1 EN
Figure 313:
Function block
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
627
Technical Manual
Содержание Relion 615 series
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