ABB Relion 670 Series Product Manual page 78

Bay control REC670
Version 2.2
Table 48. Directional underpower protection GUPPDUP
Function
Power level
for Step 1 and Step 2
Characteristic angle
for Step 1 and Step 2
Independent time delay to operate for
Step 1 and Step 2 at 2 x S to 0.5 x S
r
k = 0.000
Table 49. Directional overpower protection GOPPDOP
Function
Power level
for Step 1 and Step 2
Characteristic angle
for Step 1 and Step 2
Operate time, start at 0.5 x S
k = 0.000
Reset time, start at 2 x S to 0.5 x S
r
k = 0.000
Independent time delay to operate for
Step 1 and Step 2 at 0.5 x S
r
k = 0.000
Table 50. Broken conductor check BRCPTOC
Function
Minimum phase current for operation
Unbalance current operation
Independent operate time delay
Independent reset time delay
Start time at current change from I
Reset time at current change from 0 to
I
r
78
Range or value
(0.0–500.0)% of
(-180.0–180.0) degrees
(0.01-6000.00) s
and
r
Range or value
(0.0–500.0)% of SBase
(-180.0–180.0) degrees
to 2 x S and Min. =10 ms
r r
Max. = 25 ms
and Min. = 35 ms
r
Max. = 55 ms
(0.01-6000.00) s
to 2 x S and
r
Range or value
(5–100)% of IBase
(50–90)% of maximum current
(0.000-60.000) s
(0.010-60.000) s
to 0 Min. = 25 ms
r
Max. = 35 ms
Min. = 5 ms
Max. = 20 ms
© Copyright 2017 Hitachi Power Grids. All rights reserved
SEMOD175152-2 v11
Accuracy
SBase
±1.0% of S
±1.0% of S at S > S
where
=
S 1.732
r
±2.0 degrees
±0.2% or ±40 ms whichever is greater
SEMOD175159-2 v9
Accuracy
±1.0% of S
±1.0% of S at S > S
±2.0 degrees
±0.2% or ±40 ms whichever is greater
SEMOD175200-2 v8
Accuracy
±1.0% of I
±1.0% of I
±0.2% or ±45 ms whichever is greater
±0.2% or ±30 ms whichever is greater
-
-
1MRK 511 404-BEN N
at S ≤ S
r r
r
× ×
U I
r r
at S ≤ S
r r
r
r
r
Hitachi Power Grids