ABB RELION REX640, Техническое руководство, Страница: 679 / 1960

Name Type Values (Range) Unit Description
I_ANGL_DIFF_A FLOAT32 -180.00...180.00 deg Current phase angle
differential between lo-
cal and remote, phase A
I_ANGL_DIFF_B FLOAT32 -180.00...180.00 deg Current phase angle
differential between lo-
cal and remote, phase B
I_ANGL_DIFF_C FLOAT32 -180.00...180.00 deg Current phase angle
differential between lo-
cal and remote, phase C
LNPLDF Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
IL1-diff:1 FLOAT32 0.00...80.00 Measured differential
current amplitude
phase IL1
IL2-diff:1 FLOAT32 0.00...80.00 Measured differential
current amplitude
phase IL2
IL3-diff:1 FLOAT32 0.00...80.00 Measured differential
current amplitude
phase IL3
IL1-bias:1 FLOAT32 0.00...80.00 Measured bias current
amplitude phase IL1
IL2-bias:1 FLOAT32 0.00...80.00 Measured bias current
amplitude phase IL2
IL3-bias:1 FLOAT32 0.00...80.00 Measured bias current
amplitude phase IL3
4.3.1.11 Technical data
Table 653: LNPLDF Technical data
Characteristics Value
Operation accuracy
1
Depending on the frequency of the measured current:
f
n
±2 Hz
Low stage ±2.5% of the set value
High stage ±2.5% of the set value
High stage, operate time
2, 3
Minimum Typical Maximum
20 ms 23 ms 27 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <40 ms
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 ×
High operate value and f
n
=
50 Hz with galvanic pilot wire link + 5 ms.
1MRS759142 F Protection functions
REX640
Technical Manual
679