ABB RELION REX640 - 4.12.3.10 Technical data

Name Type Values (Range) Unit Description
I_NAT_ANGL_B FLOAT32 -179.00...179.00 deg Recorded natural un-
balance current angle
phase B
I_NAT_AMPL_C FLOAT32 0.00...5.00 xIn Recorded natural unbal-
ance current amplitude
phase C
I_NAT_ANGL_C FLOAT32 -179.00...179.00 deg Recorded natural un-
balance current angle
phase C
I_COM_AMPL_A FLOAT32 0.00...5.00 xIn Compensated unbal-
ance current amplitude
phase A
I_COM_ANGL_A FLOAT32 -179.00...179.00 deg Compensated unbal-
ance current angle
phase A
I_COM_AMPL_B FLOAT32 0.00...5.00 xIn Compensated unbal-
ance current amplitude
phase B
I_COM_ANGL_B FLOAT32 -179.00...179.00 deg Compensated unbal-
ance current angle
phase B
I_COM_AMPL_C FLOAT32 0.00...5.00 xIn Compensated unbal-
ance current amplitude
phase C
I_COM_ANGL_C FLOAT32 -179.00...179.00 deg Compensated unbal-
ance current angle
phase C
HCUBPTOC Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
IL1-unb:1 FLOAT32 0.00...5.00 xIn Measured unbalance
current amplitude
phase A
IL2-unb:1 FLOAT32 0.00...5.00 xIn Measured unbalance
current amplitude
phase B
IL3-unb:1 FLOAT32 0.00...5.00 xIn Measured unbalance
current amplitude
phase C
4.12.3.10 Technical data
Table 1086: HCUBPTOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured current:
f
n
±2 Hz
1.5 % of the set value or 0.002 × I
n
Start time
1, 2
Typically 26 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Table continues on the next page
1
Fundamental frequency current = 1.0 × I
n
, current before fault = 0.0 × I
n
, fault current = 2.0 × Start
value , results based on statistical distribution of 1000 measurements
2
Includes the delay of the signal output contact
1MRS759142 F Protection functions
REX640
Technical Manual
1141