Commissioning
GARD 8000 Distance Relay
RFL Electronics Inc.
•
To retrieve the Distance Relay SOE’s click on the “Distance Relay module” at the “Home”
page and select “Distance Sequence of Events.”
•
To retrieve the GARD8000 System SOE records click on “SOE” at the “Home” page and select
“System and Teleprotection.”
•
To retrieve the Distance Relay Oscillography records click on “Distance Relay” from the
“Home Page” and select “Receive Oscillography from Distance Relay.” Select one of the time
stamped Oscillography records stored in the Distance Relay. At the “Receive File from
Distance Relay” screen, download first
Oscillography Data
and then
Oscillography
Configuration
since each Oscillography (COMTRADE) type record consist of two files.
Both files should be saved in the same folder with the identical file names.
After the download is completed, the data files can be opened with COMTRADE compatible
software used for viewing the Oscillography records.
RFL provides free of charge a copy of COMTRADE compatible software that can be downloaded
from the RFL website:
or contact RFL Customer Service at 973-334-3100
by e-mail:
Below are samples of Power System Simulator settings for executing basic Distance Relay tests:
Zone 1-Phase A to Neutral-80% of the Line
Line Pos.Seq. Impedance Magnitude set for 1 Ohm with Zone 1-No Delay, Zone 2-250ms Delay, Zone 3-500ms
Delay, Zone 4-750ms Delay.
Pre-Fault Settings
Fault Settings
Source Amplitude
Phase
Angle
Frequency
(Hz)
Amplitude
Phase
Angle
Frequency
(Hz)
VA
69.00V
0.00
°
60.00 8.47V 0.00
°
60.0
VB
69.00V
240.00
°
60.00 69.28V 240.00
°
60.0
VC
69.00V
120.00
°
60.00 69.28V 120.00
°
60.0
IA
0.00A
0.00
°
60.00 10.00A -70.00
°
60.0
IB
0.00A
0.00
°
60.00 0.00A 0.00
°
60.0
IC
0.00A
0.00
°
60.00 0.00A 0.00
°
60.0
Expected Results:
Zone 1 picks-up for Phase A to Neutral Fault, other Zones restrain.
March 1, 2009
12-11
973.334.3100
