SEMOD175159-2 v9
Table 70. 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 x S
r
to 2 x S
r
and
k
=
0.000
Min. =10 ms
Max. = 25 ms
Reset time, start at 2 x S
r
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 x S
r
to 2 x S
r
and
k
=
0.000
(0.01-6000.00) s
±0.2% or ±40 ms whichever is greater
SEMOD175200-2 v9
Table 71. 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
(0.050-60.000) 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. = 80 ms
Max. = 95 ms
-
Reset time at current change from 0 to I
r
Min. = 5 ms
Max. = 20 ms
-
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
108
Hitachi Energy
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Содержание Relion 670 Series
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