ABB RELION REX640 Technical Manual page 679

1MRS759142 F
Name Type
I_ANGL_DIFF_A FLOAT32
I_ANGL_DIFF_B FLOAT32
I_ANGL_DIFF_C FLOAT32
LNPLDF Enum
IL1-diff:1 FLOAT32
IL2-diff:1 FLOAT32
IL3-diff:1 FLOAT32
IL1-bias:1 FLOAT32
IL2-bias:1 FLOAT32
IL3-bias:1 FLOAT32
4.3.1.11 Technical data
Table 653: LNPLDF Technical data
Characteristics
Operation accuracy
High stage, operate time
Reset time
Reset ratio
Retardation time
Table continues on the next page
1
With the symmetrical communication channel (as when using dedicated fiber optic).
2
Without additional delay in the communication channel (as when using dedicated fiber optic).
3
Measured with static power output. When differential current = 2 ×
50 Hz with galvanic pilot wire link + 5 ms.
REX640
Technical Manual
Values (Range)
-180.00...180.00
-180.00...180.00
-180.00...180.00
1=on
2=blocked
3=test
4=test/blocked
5=off
0.00...80.00
0.00...80.00
0.00...80.00
0.00...80.00
0.00...80.00
0.00...80.00
Value
1
Depending on the frequency of the measured current:
f ±2 Hz
n
Low stage
High stage
2, 3
Minimum
20 ms
Typically 40 ms
Typically 0.96
<40 ms
Protection functions
Unit Description
deg Current phase angle
differential between lo-
cal and remote, phase A
deg Current phase angle
differential between lo-
cal and remote, phase B
deg Current phase angle
differential between lo-
cal and remote, phase C
Status
Measured differential
current amplitude
phase IL1
Measured differential
current amplitude
phase IL2
Measured differential
current amplitude
phase IL3
Measured bias current
amplitude phase IL1
Measured bias current
amplitude phase IL2
Measured bias current
amplitude phase IL3
±2.5% of the set value
±2.5% of the set value
Typical
23 ms
High operate value and f
Maximum
27 ms
=
n
679