Distance Relay Settings
GARD 8000 Distance Relay
RFL Electronics Inc.
* Time Curve Selection
Definite Time
Inverse IEC
Very Inverse IEC
Extr. Inverse IEC
Long Time Inv. IEC
Short Time Inv. IEC
Inverse IEC Minimum Time (TL)
Very Inverse IEC Minimum Time (TL)
Extr. Inverse IEC Minimum Time (TL)
Long Time Inv. IEC Minimum Time (TL)
Short Time Inv IEC Minimum Time (TL)
Mod. Inverse IEEE
Very Inverse IEEE
Extr. Inverse IEEE
Inverse IEEE Minimum Time (TL)
Very Inverse IEEE Minimum Time (TL)
Extr. Inverse IEEE Minimum Time (TL)
Mod. Inverse ANSI
Inverse ANSI
Very Inverse ANSI
Extr. Inverse ANSI
Short Time Inv. ANSI
Mod. Inverse ANSI Minimum Time (TL)
Inverse ANSI Minimum Time (TL)
7.4.4
NEGATIVE SEQUENCE ELEMENTS
Description Range
Units
Step
Default
50Q-1 Instantaneous negative sequence enable
Enable instantaneous negative sequence overcurrent element,
step 1
No - Yes
-
1
No
50Q-1 Pickup
Pickup level for instantaneous negative sequence overcurrent
element, step 1
0.25 - 150
A
0.01
10
50Q-1 Time delay
Time delay for instantaneous negative sequence overcurrent
element, step 1
0 - 300
s
0.01
0
50Q-1 Torque control
Directional control of instantaneous negative sequence
overcurrent element, step 1
No
Forward
Reverse
- 1
No
50Q-1 Torque control type
Selection to use directional element or Zone 2 for torque control
of the instantaneous negative sequence overcurrent element,
step 1
67Q
Z2 -
1 67Q
50Q-2 Instantaneous negative sequence enable
Enable instantaneous negative sequence overcurrent element,
step 2
No - Yes
-
1
No
50Q-2 Pickup
Pickup level for instantaneous negative sequence overcurrent
element, step 2
0.25 - 150
A
0.01
10
50Q-2 Time delay
Time delay for instantaneous negative sequence overcurrent
element, step 2
0 - 300
s
0.01
0
July 21, 2009
7-20
973.334.3100
