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Line distance protection REL670
Version 2.2
Table 59. Sensitive directional residual overcurrent and power protection SDEPSDE
Function
Operate level for 3I
·cosj directional residual
0
overcurrent
Operate level for ·3I
·3U
cosj directional
0
0
residual power
and j residual
Operate level for 3I
0
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 I
set
Reset time for non-directional residual
overcurrent at 2 x I
to 0
set
Operate time for directional residual
overcurrent at 0 to 2 x I
set
Reset time for directional residual overcurrent
at 2 x I
to 0
set
Independent time delay for non-directional
residual overvoltage at 0.8 x U
Independent time delay for non-directional
residual overcurrent at 0 to 2 x I
Independent time delay for directional
residual overcurrent at 0 to 2 x I
Inverse characteristics, see table 211,
Table
212
and Table
213
Relay characteristic angle (RCADir)
Relay operate angle (ROADir)
Hitachi Energy
SEMOD173350-2 v16
Range or value
(0.25-200.00)% of IBase
(0.25-200.00)% of SBase
(0.25-200.00)% of IBase
(1.00-400.00)% of IBase
(1.00-200.00)% of UBase
(0.25-200.00)% of IBase
(1.00-300.00)% of UBase
Min. = 40 ms
Max. = 65 ms
Min. = 40 ms
Max. = 65 ms
Min. = 110 ms
Max. = 160 ms
Min. = 20 ms
Max. = 60 ms
(0.000 – 60.000) s
to 1.2 x U
set
set
(0.000 – 60.000) s
set
(0.000 – 60.000) s
set
16 curve types
(-179 to 180) degrees
(0 to 90) degrees
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Accuracy
at I £ I
±1.0% of I
r
r
±1.0% of I at I > I
r
at S £ S
±1.0% of S
r
r
±1.0% of S at S > S
r
at £ I
±1.0% of I
r
r
±1.0% of I at I > I
r
at I £ I
±1.0% of I
r
r
±1.0% of I at I > I
r
at U £ U
±0.5% of U
r
r
±0.5% of U at U > U
r
at I £ I
±1.0% of I
r
r
±1.0% of I at I > I
r
at U £ U
±0.5% of U
r
r
±0.5% of U at U > U
r
±0.2% or ± 75 ms whichever is greater
±0.2% or ± 75 ms whichever is greater
±0.2% or ± 170 ms whichever is greater
See Table 211, Table
212
and Table
±2.0 degrees
±2.0 degrees
1MRK 506 372-BEN Q
213
95
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