ABB Relion 670 series REC670, Product Manual

Page: 42 / 84

Table 33. Sensitive directional residual overcurrent and power protection SDEPSDE
Function Range or value Accuracy
Operate level for 3I
0
·cos j
directional residual
overcurrent
(0.25-200.00)% of
lBase
± 1.0% of I
r
at I £ I
r
±
1.0% of I at I > I
r
At low setting:
(0.25-1.00)% of I
r
: ±0.05% of I
r
(1.00-5.00)% of I
r
: ±0.1% of I
r
Operate level for 3I
0
·3U
0
·
cos
j
directional residual
power
(0.25-200.00)% of
SBase
± 1.0% of S
r
at S £ S
r
±
1.0% of S at S > S
r
At low setting:
(0.25-5.00)% of
SBase
± 10% of set value
Operate level for 3I
0
and
j
residual overcurrent
(0.25-200.00)% of
lBase
±
1.0% of I
r
at
£
I
r
± 1.0% of I at I > I
r
At low setting:
(0.25-1.00)% of I
r
: ±0.05% of I
r
(1.00-5.00)% of I
r
: ±0.1% of I
r
Operate level for non-
directional overcurrent (1.00-400.00)% of
lBase
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
At low setting <5% of I
r
:
±0.1% of I
r
Operate level for non-
directional residual
overvoltage (1.00-200.00)% of UBase
±
0.5% of U
r
at U
£
U
r
±
0.5% of U at U > U
r
Residual release current for
all directional modes (0.25-200.00)% of lBase
±
1.0% of I
r
at I
£
I
r
±
1.0% of I at I > I
r
At low setting:
(0.25-1.00)% of I
r
: ±0.05% of I
r
(1.00-5.00)% of I
r
: ±0.1% of I
r
Residual release voltage for
all directional modes (0.01-200.00)% of UBase
±
0.5% of U
r
at U
£
U
r
±
0.5% of U at U > U
r
Reset ratio > 95% -
Timers (0.000-60.000) s
±
0.5%
±
10 ms
Inverse characteristics, see
table
98 , table 99 and table
100
19 curve types See table 98 , table 99 and table 100
Relay characteristic angle
RCA (-179 to 180) degrees
±
2.0 degrees
Relay open angle ROA (0-90) degrees ± 2.0 degrees
Operate time, non-directional
residual over current 60 ms typically at 0 to 2 x I
set
-
Bay control REC670 1MRK511232-BEN E
Pre-configured
Product version: 1.2
42 ABB