Technical Data - ABB RELION REX640 Technical Manual

1MRS759142 C
4.3.2.11
REX640
Technical Manual
Name Type
I_ANGL_B1_B2 FLOAT32
I_ANGL_C1_C2 FLOAT32
I_5H_RAT_A FLOAT32
I_5H_RAT_B FLOAT32
I_5H_RAT_C FLOAT32
TR2PTDF 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

Technical data

Table 589: TR2PTDF Technical data
Characteristic
Operation accuracy
1)2)
Operate time
Low stage
High stage
Reset time
Reset ratio
Suppression of harmonics
1) Current before fault = 0.0 × I
2) Measured with static power output. f
Values (Range) Unit
-180.00...180.00
-180.00...180.00
0.00...1.00
0.00...1.00
0.00...1.00
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
Depending on the frequency of the measured
current: f
±3.0% of the set value or ±0.002 × I
Minimum
31 ms
15 ms
<40 ms
Typically 0.96
DFT: -50 dB at f = n × f
, f = 50 Hz. Injected differential current = 2.0 × set operation value
n n
= 50 Hz
n
Section 4
Protection functions
Description
deg Current phase angle diff
between winding 1 and 2,
phase B
deg Current phase angle diff
between winding 1 and 2,
phase C
Differential current fifth
harmonic ratio, phase A
Differential current fifth
harmonic ratio, phase B
Differential current fifth
harmonic ratio, 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 Hz
n
n
Typical Maximum
35 ms 40 ms
17 ms 20 ms
, where n = 2, 3, 4, 5, ...
n
627