ABB Relion REC615, Technical Manual

Page: 388 / 869

Name Type Values (Range) Unit Description
3=both
START_DUR FLOAT32 0.00...100.00 % Ratio of start
time / operate
time
DIRECTION Enum
0=unknown
1=forward
2=backward
3=both
Direction infor-
mation
ANGLE FLOAT32 -180.00...180.00 deg Angle between
polarizing and
operating quan-
tity
ANGLE_RCA FLOAT32 -180.00...180.00 deg Angle between
operating angle
and characteris-
tic angle
RES_POWER FLOAT32 -160.000...160.00
0 xPn Calculated resid-
ual active power
WPWDE Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.2.6.11 Technical data
Table 403: WPWDE Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured current: f
n
±2 Hz
Current and voltage:
±1.5% of the set value or ±0.002 × I
n
Power:
±3% of the set value or ±0.002 × P
n
Start time
1
,
2
Typically 63 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in IDMT mode ±5.0% of the set value or ±20 ms
Suppression of harmonics -50 dB at f = n × f
n
, where n = 2,3,4,5,…
1
Io varied during the test, Uo = 1.0 × U
n
= phase-to-earth voltage during earth fault in compensa-
ted or unearthed network, the residual power value before fault = 0.0 pu, f
n
= 50 Hz, results based
on statistical distribution of 1000 measurements.
2
Includes the delay of the signal output contact.
Protection functions 1MRS758755 C
388 REC615 & RER615
Technical Manual