Table 27. Sensitive directional residual overcurrent and power protection SDEPSDE (67N)
Function
Range or value
Accuracy
Operate level for 3I
0
·cos
j
directional residual
overcurrent
(0.25-200.00)% of
lBase
At low setting:
(2.5-10) mA
(10-50) mA
±
1.0% of I
n
at I
£
I
n
±
1.0% of I at I > I
n
±
0.5 mA
±
1.0 mA
Operate level for
·3I0·3V
0
· cos
j
directional
residual power
(0.25-200.00)% of
SBase
At low setting:
(0.25-5.00)% of
SBase
±
1.0% of S
n
at S
£
S
n
±
1.0% of S at S > S
n
±
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
n
at
£
I
n
±
1.0% of I at I > I
n
±
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
n
at I
£
I
n
±
1.0% of I at I > I
n
±
1.0 mA
Operate level for non-
directional residual
overvoltage
(1.00-200.00)% of
VBase
±
0.5% of V
n
at V
£
V
n
±
0.5% of V at V > V
n
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
n
at I
£
I
n
±
1.0% of I at I > I
n
±
0.5 mA
± 1.0 mA
Residual release voltage
for all directional modes
(1.00 - 300.00)% of
VBase
±
0.5% of V
n
at V
£
V
n
±
0.5% of V at V > V
n
Reset ratio
> 95%
-
Timers
(0.000-60.000) s
±
0.5%
±
25 ms
Inverse characteristics,
see table
and
17 curve types
and
Class 5 + 150 ms
Breaker protection REQ650 ANSI
1MRK 505 269-BUS -
Product version: 1.1
Issued: April 2011
ABB
59