TECHNICAL DATA
16
NG10 - Manual - 04 - 2022
3.6 GENERAL SETTINGS
Rated values (Base)
Relay nominal frequency (f
n
) 50, 60 Hz
Relay phase nominal current side H and L (I
nH
and I
nH
) 1 A or 5 A
[1]
Phase CT primary nominal current side H and L (I
npH
and I
npH
) 1 A...20.0 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Relay residual nominal current (I
En
) 1 A o 5 A
[1]
Residual CT primary nominal current (I
Enp
) 1 A...20.0 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Protected device nominal current (I
ng
) 1 A...20 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Primary nominal current chosen as referrence (I
nref
)
[2]
- A
Lato di riferimento per la compensazione (Refsize)
[2]
-
Current matching type (MatchType) INTERNAL/EXTERNAL
Protected object by differential protection (ProtObj) GEN-MOT-LINE-BAR
Input sequence
[3]
Phase current sequence side H (I-SequenceH) IL1-IL2-IL3 Default
IL1-IL3-IL2
IL2-IL1-IL3
IL2-IL3-IL1
IL3-IL1-IL2
IL3-IL2-IL2
Phase current sequence side L (I-SequenceL) IL1-IL2-IL3 Base
IL1-IL3-IL2
IL2-IL1-IL3
IL2-IL3-IL1
IL3-IL1-IL2
IL3-IL2-IL2
Polarity
[3]
C09-C10 (IL1H) terminal polarity (C09-C10 POL) NORMAL/REVERSE
C11-C12 (IL2H) terminal polarity (C11-C12 POL) NORMAL/REVERSE
C13-C14 (IL3H) terminal polarity (C13-C14 POL) NORMAL/REVERSE
C15-C16 (IE1) terminal polarity(C15-C16 POL) NORMAL/REVERSE
C01-C02 (IL1L) (terminal polarity C01-C02 Pol) NORMAL/REVERSE
C03-C04 (IL2L) terminal polarity (C03-C04 POL) NORMAL/REVERSE
C05-C06 (IL3L) terminal polarity (C05-C06POL) NORMAL/REVERSE
C07-C08 (IL3L) terminal polarity (C07-C08POL) NORMAL/REVERSE
Note 1 The nominal current settings doesn’t concern the protection elements; they must agree with hardware setting (dip-switch 1 A or 5 A) .
Note 2 Calculated by relay (L or H)
Nota 3 Adjusting enabled by working with session-level 1
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