ABB REQ650 - Page 66

Table 30. Sensitive directional residual overcurrent and power protection SDEPSDE
Function Range or value Accuracy
Operate level for 3I
0
·cosj
directional residual
overcurrent
(0.25-200.00)% of lBase
At low setting:
(2.5-10) mA
(10-50) mA
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
±0.5 mA
±1.0 mA
Operate level for 3I
0
·3U
0
·
cosj directional residual
power
(0.25-200.00)% of SBase
At low setting:
(0.25-5.00)% of SBase
± 2.0% of S
r
at S £ S
r
± 2.0% of S at S > S
r
± 10% of set value
Operate level for 3I
0
and j
residual overcurrent
(0.25-200.00)% of lBase
At low setting:
(2.5-10) mA
(10-50) mA
± 1.0% of I
r
at £ I
r
± 1.0% of I at I > I
r
±0.5 mA
±1.0 mA
Operate level for non-
directional overcurrent
(1.00-400.00)% of lBase
At low setting:
(10-50) mA
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
± 1.0 mA
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
At low setting:
(2.5-10) mA
(10-50) mA
± 1.0% of I
r
at I £ I
r
± 1.0% of I at I > I
r
±0.5 mA
± 1.0 mA
Residual release voltage for
all directional modes
(1.00 - 300.00)% 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% ±25 ms
Inverse characteristics, see
table 73, table 74 and table 75
17 curve types ANSI/IEEE C37.112
IEC 60255–151
+100 ms±(3% or 90 ms)
0.10 ≤ k ≤ 3.00
1.5 x I
set
≤ I ≤ 20 x I
set
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
80 ms typically at 0.5 to 2 x I
set
-
Reset time, non-directional
residual over current
90 ms typically at 1.2 to 0.5 x I
set
-
Operate time, non-directional
residual overvoltage
70 ms typically at 0.8 to 1.5 x U
set
-
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
66 ABB