ABB Relion 670 Series Product Manual page 67

Line differential protection RED670 2.0
Product version: 2.0
Table 47. Sensitive directional residual overcurrent and power protection SDEPSDE
Function
Operate level for 3I ·cosj
0
directional residual
overcurrent
Operate level for ·3I ·3U cosj
0 0
directional residual power
Operate level for 3I and j
0
residual overcurrent
Operate level for non-
directional overcurrent
Operate level for non-
directional residual
overvoltage
Residual release current for all
directional modes
Residual release voltage for all
directional modes
Operate time for non-
directional residual
overcurrent at 0 to 2 x Iset
Reset time for non-directional
residual overcurrent at 2 to 0 x
Iset
Operate time for directional
residual overcurrent at 0 to 2 x
Iset
Reset time for directional
residual overcurrent at 2 to 0 x
Iset
Independent time delay for
non-directional residual
overvoltage at 0.8 to 1.2 x Uset
Independent time delay for
non-directional residual
overcurrent at 0 to 2 x Iset
Independent time delay for
directional residual
overcurrent at 0 to 2 x Iset
Inverse characteristics
Relay characteristic angle
RCA
Relay Open angle ROA
ABB
Range or value
(0.25-200.00)% of lBase
SBase
(0.25-200.00)% of
lBase
(0.25-200.00)% of
lBase
(1.00-400.00)% of
(1.00-200.00)% of UBase
lBase
(0.25-200.00)% of
(1.00-300.00)% of UBase
Min = 40 ms
Max = 65 ms
Min = 40 ms
Max = 65 ms
Min = 115 ms
Max = 165 ms
Min = 25 ms
Max = 65 ms
(0.000 – 60.000) sec
(0.000 – 60.000) sec
(0.000 – 60.000) sec
16 curve types
(-179 to 180) degrees
(0 to 90) degrees
1MRK505310-BEN C
Accuracy
± 1.0% of I at I £ I
r r
± 1.0% of I at I > I
r
± 1.0% of S at S £ S
r r
± 1.0% of S at S > S
r
± 1.0% of I at £ I
r r
± 1.0% of I at I > I
r
±1.0% of I at I £ I
r r
± 1.0% of I at I > I
r
± 0.5% of U at U £ U
r r
± 0.5% of U at U > U
r
± 1.0% of I at I £ I
r r
± 1.0% of I at I > I
r
± 0.5% of U at U £ U
r r
± 0.5% of U at U > U
r
±0.2% or ± 80 ms whichever is greater
±0.2% or ± 80 ms whichever is greater
±0.2% or ± 180 ms whichever is
greater
See table 131, table 132 and table
± 2.0 degrees
± 2.0 degrees
133
67