SEMOD171935-5 v5
Table 43. Power swing logic PSLPSCH
Function
Range or value
Accuracy
Permitted maximum
operating time difference
between higher and lower
zone
(0.000 — 60.0000) s
±0,2% or ±15 ms whichever is greater
Delay for operation of
underreach zone with
detected difference in
operating time
(0.000 — 60.0000) s
±0,2% or ±15 ms whichever is greater
Conditional timer for
sending the CS at power
swings
(0.000 — 60.0000) s
±0,2% or ±15 ms whichever is greater
Conditional timer for
tripping at power swings
(0.000 — 60.0000) s
±0,2% or ±15 ms whichever is greater
Timer for blocking the
overreaching zones trip
(0.000 — 60.0000) s
±0,2% or ±15 ms whichever is greater
GUID-88E02516-1BFE-4075-BEEB-027484814697 v2
Table 44. Pole slip protection PSPPPAM
Function
Range or value
Accuracy
Impedance reach
(0.00 - 1000.00)% of Zbase
±2.0% of U
r
/I
r
Zone 1 and Zone 2 trip
counters
(1 - 20)
-
SEMOD175136-2 v8
Table 45. Out-of-step protection OOSPPAM
Function
Range or value
Accuracy
Impedance reach
(0.00 - 1000.00)% of Zbase
±2.0% of U
r
/(√3 ⋅ I
r
)
Rotor start angle
(90.0 - 130.0) degrees
±5.0 degrees
Rotor trip angle
(15.0 - 90.0) degrees
±5.0 degrees
Zone 1 and Zone 2 trip
counters
(1 - 20)
-
1MRK 504 155-BEN F
Transformer protection RET670 2.1 IEC
ABB
73
Содержание Relion 670 series
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