7.9.8
Technical data
GUID-16656307-6B43-47B5-8817-48638FFB5999 v3
Table 155: ZMFCPDIS (21) technical data
Function
Range or value
Accuracy
Number of zones
3 selectable
directions, 3 fixed
directions
-
Minimum operate current, Ph-
Ph and Ph-E
(5 - 6000)% of IBase
±1.0% of I
r
Positive sequence reactance
reach, Ph-E and Ph-Ph loop
(30 - 3000) Ω/phase
" +- 2.0% static ac- 2.0 deg static angular
accuracy Conditions: Voltage range: (0.1 - 1.1) x Ur
Current range: (0.5 - 30) x Ir Angle: At 0 deg and 85 deg"
Positive sequence resistance
reach, Ph-E and Ph-Ph loop
(30 - 3000) Ω/phase
Zero sequence reactance
reach
(100.00 - 9000.00)
Ω/p
Zero sequence resistive reach
(15.00 - 3000.00)
Ω/p
Fault resistance reach, Ph-E
and Ph-Ph
(1.00 - 9000.00) Ω/l
Dynamic overreach
< 5% at 85 deg
measured with
CVT's and 0.5 < SIR
<30
Definite time delay to trip, Ph-
E and Ph-Ph operation
(0.000 - 60.000) s
±0.2% or ±35 ms whichever is greater
Operate time
16 ms typically
IEC 60255-121
Reset time at 0.1 to 2 x Z
reach
Min = 20 ms
-
Max = 35 ms
Reset ratio
105% typically
-
7.10
Pole slip protection PSPPPAM (78)
SEMOD156709-1 v2
7.10.1
Identification
SEMOD158949-2 v4
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Pole slip protection
PSPPPAM
U
cos
78
7.10.2
Functionality
SEMOD172086-4 v2
The phenomenon pole slip, also named out of step conditions, occurs when there is phase
opposition between different parts of a power system. This is often shown in a simplified way as
1MRK 502 066-UUS B
Section 7
Impedance protection
367
Technical manual
Содержание Relion 670 series
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