ABB Relion 670 Series Product Manual page 83

Generator protection REG670
Version 2.2
Table 58. Sensitive directional residual overcurrent and power protection SDEPSDE
Function
Operate level for 3I ·cosj directional
0
residual overcurrent
Operate level for ·3I ·3U cosj directional
0 0
residual power
Operate level for 3I and j residual
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 to 1.2 x U
set set
Independent time delay for non-
directional residual overcurrent at 0 to 2 x
I
set
Independent time delay for directional
residual overcurrent at 0 to 2 x I
Inverse characteristics, see table 185,
Table 186 and Table 187
Relay characteristic angle (RCADir)
Relay operate angle (ROADir)
Hitachi Power Grids
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
(0.000 – 60.000) s
(0.000 – 60.000) s
set
16 curve types
(-179 to 180) degrees
(0 to 90) degrees
© Copyright 2017 Hitachi Power Grids. All rights reserved
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 ± 75 ms whichever is greater
±0.2% or ± 75 ms whichever is greater
±0.2% or ± 170 ms whichever is greater
See Table 185, Table 186 and Table
±2.0 degrees
±2.0 degrees
1MRK 502 074-BEN M
187
83