ABB REG650 - Page 44

Table 34. 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
± 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
·
cosj directional residual
power
(0.25-200.00)% of SBase
± 2.0% of S
r
at S £ S
r
± 2.0% 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
(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 74, table 75 and table 76
15 curve types ANSI/IEEE C37.112
IEC 60255–151
±3.0% 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
60 ms typically at 0 to 2 x I
set
60 ms typically at 0 to 2 x 1
set
Reset time, non-directional
residual over current
65 ms typically at 2 to 0 x I
set
65 ms typically at 2 to 0 x 1
set
Generator protection REG650
1MRK 502 050-BEN B
Product version: 1.3
44 ABB