ABB RET670 - Directional Overpower Protection GOPPDOP; Broken Conductor Check BRCPTOC

Table 53. Directional overpower protection GOPPDOP
Function Range or value Accuracy
Power level
for Step 1 and Step 2
(0.0–500.0)% of SBase ±1.0% of S
r
at S ≤ S
r
±1.0% of S at S > S
r
Characteristic angle
for Step 1 and Step 2
(-180.0–180.0) degrees ±2.0 degrees
Operate time, start at 0.5 to 2 x S
r
and k = 0.000 Min. =10 ms
Max. = 25 ms
Reset time, start at 2 to 0.5 x S
r
and k = 0.000 Min. = 35 ms
Max. = 55 ms
Independent time delay to operate for Step 1
and Step 2 at 0.5 to 2 x S
r
and k = 0.000
(0.01-6000.00) s ±0.2% or ±40 ms whichever is greater
Table 54. Broken conductor check BRCPTOC
Function
Range or value Accuracy
Minimum phase current for operation (5–100)% of IBase ±1.0% of I
r
Unbalance current operation (50–90)% of maximum current ±1.0% of I
r
Independent operate time delay (0.000-60.000) s ±0.2% or ±45 ms whichever is greater
Independent reset time delay (0.010-60.000) s ±0.2% or ±30 ms whichever is greater
Start time at current change from I
r
to 0 Min. = 25 ms
Max. = 35 ms
-
Reset time at current change from 0 to I
r
Min. = 5 ms
Max. = 20 ms
-
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
ABB 69