ABB Relion 670 Series Product Manual page 75

Generator protection REG670
Version 2.2
Table 47. Out-of-step protection OOSPPAM
Function
Impedance reach
Rotor start angle
Rotor trip angle
Zone 1 and Zone 2 trip counters
Table 48. Loss of excitation LEXPDIS
Function
X offset of Mho top point for zone 1
and zone 2
Diameter of Mho circle for zone 1 and
zone 2
Independent time delay for zone 1
when impedance jumps from the
outside the set circle to the center of
the set circle
Independent time delay for zone 2
when impedance jumps from the
outside the set circle to the center of
the set circle
Operate time, start when impedance
jumps from the outside the set circle
to the center of the set circle
Table 49. ROTIPHIZ technical data
Function
Fault resistance sensitivity
Injection frequency
Trip limit of fault resistance
Alarm limit of fault resistance
Operate time, start at R ~ 0 Ω and filter
f
length = 1 s
Operate time, trip at R ~ 0 Ω and filter
f
length = 1 s
Alarm time delay at R ~ 0 Ω and filter
f
length = 1 s
Hitachi Power Grids
SEMOD175136-2 v9
Range or value
(0.00 - 1000.00)% of Zbase
(90.0 - 130.0) degrees
(15.0 - 90.0) degrees
(1 - 20)
SEMOD175144-2 v10
Range or value
(–100.0–100.0)% of Z
Base
(30.0–300.0)% of Z
Base
(0.00-60.00) s
(0.00-60.00) s
Min. = 35 ms
Max. = 50 ms
GUID-3740D5F1-3245-40EC-89B7-81297A3125D1 v3
Range or value
Can be reached at steady state
operating condition of the
machine
Typically
(75.000 - 250.000) Hz
(100 - 100000)Ω
(100 - 500000)Ω
1.00 s typically
3.00 s typically
(0.00 - 600.00) s
© Copyright 2017 Hitachi Power Grids. All rights reserved
Accuracy
±2.0% of U /(√3 ⋅ I )
r r
±5.0 degrees
±5.0 degrees
-
Accuracy
±2.0% of U /(√3 ⋅ I )
r r
±2.0% of U /(√3 ⋅ I )
r r
±0.2% or ±60 ms whichever is greater
±0.2% or ±60 ms whichever is greater
-
Accuracy
500 kΩ
50 kΩ
±0.1 Hz
5% of 1 kΩ at R ≤ 1 kΩ
f
5% of set value at 1 kΩ < R
10% of set value at R
5% of 1 kΩ at R ≤ 1 kΩ
f
5% of 10 kΩ at 1 kΩ < R
10% of set value at 20 kΩ < R
-
-
±0.2% or ±2.00 s whichever is greater
1MRK 502 074-BEN M
≤ 20 kΩ
f
> 20 kΩ
f
≤ 20 kΩ
f
≤ 200 kΩ
f
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