7.1.7
Technical data
M16036-1 v10
Table 82:
ZMRPSB (68) technical data
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 V
n
Current range: (0.5-30) x I
n
Angle: at 0 degrees and 85
degrees
Resistive reach
(0.10–1000.00)
W
/loop
Power swing detection trip time
(0.000-60.000) s
±0.2% or ±10 ms whichever is
greater
Second swing reclaim trip time
(0.000-60.000) s
±0.2% or ±20 ms whichever is
greater
Minimum trip current
(5-30)% of IBase
±1.0% of I
n
7.2
Out-of-step protection OOSPPAM (78)
GUID-667DAF85-B87B-47AA-9EAA-CD349E66F22F v3
7.2.1
Identification
GUID-BF2F1533-BA39-48F0-A55C-0B13A393F780 v2
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Out-of-step protection
OOSPPAM
<
78
7.2.2
Functionality
GUID-BF2F7D4C-F579-4EBD-9AFC-7C03296BD5D4 v8
The out-of-step protection (OOSPPAM (78)) function in the IED can be used for both
generator protection and as well for line protection applications.
The main purpose of the OOSPPAM (78) function is to detect, evaluate, and take the
required action during pole slipping occurrences in the power system.
The OOSPPAM (78) function detects pole slip conditions and trips the generator as fast
as possible, after the first pole-slip if the center of oscillation is found to be in zone 1,
which normally includes the generator and its step-up power transformer. If the center
of oscillation is found to be further out in the power system, in zone 2, more than one
pole-slip is usually allowed before the generator-transformer unit is disconnected. A
parameter setting is available to take into account the circuit breaker opening time. If
Section 7
1MRK 511 408-UUS A
Impedance protection
154
Phasor measurement unit RES670 2.2 ANSI
Technical manual
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