ABB Relion 670 Series Product Manual page 74

Generator protection
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Generator protection REG670
Version 2.2
Table 45. High speed distance protection ZMFPDIS, ZMFCPDIS
Function
Number of zones
Minimum operate current, Ph-
Ph and Ph-E
Positive sequence reactance
reach, Ph-E and Ph-Ph loop
Positive sequence resistance
reach, Ph-E and Ph-Ph loop
Zero sequence reactance reach
Zero sequence resistive reach
Fault resistance reach, Ph-E
and Ph-Ph
Dynamic overreach
Reset ratio
Directional blinders
Resistance determining the
load impedance area - forward
Angle determining the load
impedance area
Definite time delay to trip, Ph-E
and Ph-Ph operation
Operate time
Reset time at 0.1 to 2 x Zreach
Table 46. Pole slip protection PSPPPAM
Function
Impedance reach
Zone 1 and Zone 2 trip counters
74
GUID-6C2EF52A-8166-4A23-9861-38931682AA7D v8
Range or value
Accuracy
5 selectable
-
directions, 2 fixed
directions
(5-6000)% of IBase
±1.0% of I
(0.01 - 3000.00)
Pseudo continuous ramp:
ohm/p
±2.0% of set value
Conditions:
(0.00 - 1000.00)
Voltage range: (0.1-1.1) x U
ohm/p
Current range: (0.5-30) x I
(0.01 - 9000.00)
Angle: At 0 degrees and 85 degrees
ohm/p
IEC 60255-121 points A,B,C,D,E
(0.00 - 3000.00)
ohm/p
(0.01 -9000.00)
ohm/l
< 5% at 85 degrees
-
measured with CVTs
and 0.5 < SIR < 30,
IEC 60255-121
105% typically
-
Forward: -15 – 120
Pseudo continuous ramp:
degrees
±2.0 degrees, IEC 60255-121
Reverse: 165 – -60
degrees
(0.01 - 5000.00)
Pseudo continuous ramp:
ohm/p
±2.0% of set value
Conditions:
Tested at ArgLd = 30 degrees
5 - 70 degrees
Pseudo continuous ramp:
±2.0 degrees
Conditions:
Tested at RLdFw = 20 ohm/p
(0.000-60.000) s
±0.2% of set value or ±35 ms whichever is greater
16 ms typically, IEC
-
60255-121
Min. = 20 ms
-
Max. = 35 ms
GUID-88E02516-1BFE-4075-BEEB-027484814697 v2
Range or value
(0.00 - 1000.00)% of Zbase
(1 - 20)
© Copyright 2017 Hitachi Power Grids. All rights reserved
r
r
r
Accuracy
±2.0% of U
/I
r
r
-
1MRK 502 074-BEN M
Ramp of shots:
±2.0% of set value
Conditions:
IEC 60255-121 point B
Ramp of shots:
±5.0% of set value
Conditions:
Tested at ArgLd = 30 degrees
Hitachi Power Grids

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