Distance Relay Settings
GARD 8000 Distance Relay
RFL Electronics Inc.
Description Range
Units
Step
Default
81M-2 Overfrequency pickup
Pickup threshold for overfrequency, step 2
40 - 70
Hz
0.01
70
81M-2 Overfrequency time delay
Pickup time delay for overfrequency, step 2
0 - 300
s
0.01
0
81M-2 Dropout Time
Drop-out time delay for overfrequency, step 2
0 - 300
s
0.01
2
81M-3 Overfrequency enable
Enables overfrequency, step 3
No - Yes
-
1
No
81M-3 Overfrequency pickup
Pickup threshold for overfrequency, step 3
40 - 70
Hz
0.01
70
81M-3 Overfrequency time delay
Pickup time delay for overfrequency, step 3
0 - 300
s
0.01
0
81M-3 Dropout Time
Drop-out time delay for overfrequency, step 3
0 - 300
s
0.01
2
81m-1 Underfrequency enable
Enables underfrequency, step 1
No - Yes
-
1
No
81m-1 Underfrequency pickup
Pickup threshold for underfrequency, step 1
40 - 70
Hz
0.01
40
81m-1 Underfrequency time delay
Pickup time delay for underfrequency, step 1
0 - 300
s
0.01
0
81m-1 Dropout Time
Drop-out time delay for underfrequency, step 1
0 - 300
s
0.01
2
81m-2 Underfrequency enable
Enables underfrequency, step 2
No - Yes
-
1
No
81m-2 Underfrequency pickup
Pickup threshold for underfrequency, step 2
40 - 70
Hz
0.01
40
81m-2 Underfrequency time delay
Pickup time delay for underfrequency, step 2
0 - 300
s
0.01
0
81m-2 Dropout Time
Drop-out time delay for underfrequency, step 2
0 - 300
s
0.01
2
81m-3 Underfrequency enable
Enables underfrequency, step 3
No - Yes
-
1
No
81m-3 Underfrequency pickup
Pickup threshold for underfrequency, step 3
40 - 70
Hz
0.01
40
81m-3 Underfrequency time delay
Pickup time delay for underfrequency, step 3
0 - 300
s
0.01
0
81m-3 Dropout Time
Drop-out time delay for underfrequency, step 3
0 - 300
s
0.01
2
81D-1 Frequency rate-of-change (ROC) enable
Enables rate-of-change of frequency, step 1
No - Yes
-
1
No
81D-1 ROC underfrequency pickup
Pickup threshold for underfrequency for the rate-of-change of
frequency element, step 1
40 - 70
Hz
0.01
40
81D-1 ROC frequency pickup
Pickup threshold for rate-of-change of frequency, step 1
-10 - -0.5
Hz/s
0.01
-1
81D-1 ROC frequency time delay
Pickup time delay for rate-of-change of frequency, step 1
0 - 300
s
0.01
0
81D-1 Dropout Time
Drop-out time delay for rate-of-change of frequency, step 1
0 - 300
s
0.01
2
81D-2 Frequency rate-of-change (ROC) enable
Enables rate-of-change of frequency, step 2
No - Yes
-
1
No
81D-2 ROC underfrequency pickup
Pickup threshold for underfrequency for the rate-of-change of
frequency element, step 2
40 - 70
Hz
0.01
40
July 21, 2009
7-14
973.334.3100
