Table 42. Power swing detection ZMRPSB
Function
Range or value
Accuracy
Reactive reach
(0.10-3000.00)
W
/phase
±2.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
Resistive reach
(0.10–1000.00)
W
/loop
Power swing detection operate
time
(0.000-60.000) s
±0.2% or ±10 ms whichever is greater
Second swing reclaim operate
time
(0.000-60.000) s
±0.2% or ±20 ms whichever is greater
Minimum operate current
(5-30)% of IBase
±1.0% of I
r
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
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)
-
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 506 372-BEN -
Line distance protection REL670 2.2
Product version: 2.2
70
ABB
Содержание RELION REL670
Страница 1: ...RELION 670 SERIES Line distance protection REL670 Version 2 2 Product guide...
Страница 149: ...149...