5-106
F35 Multiple Feeder Protection System
GE Multilin
5.4 SYSTEM SETUP
5 SETTINGS
5
The disturbance detector responds to the change in currents of twice the current cut-off level. The default cut-off threshold
is 0.02 pu; thus by default the disturbance detector responds to a change of 0.04 pu. The metering sensitivity setting (
PROD-
UCT SETUP
DISPLAY PROPERTIES
CURRENT CUT-OFF LEVEL
) controls the sensitivity of the disturbance detector
accordingly.
EXAMPLE USE OF SOURCES:
An example of the use of sources is shown in the diagram below. A relay could have the following hardware configuration:
This configuration could be used on a two-winding transformer, with one winding connected into a breaker-and-a-half sys-
tem. The following figure shows the arrangement of sources used to provide the functions required in this application, and
the CT/VT inputs that are used to provide the data.
Figure 5–26: EXAMPLE USE OF SOURCES
INCREASING SLOT POSITION LETTER
-->
CT/VT MODULE 1
CT/VT MODULE 2
CT/VT MODULE 3
8 CTs
4 CTs, 4 VTs
4 CTs, 4 VTs
Y LV
D HV
AUX
SRC 1
SRC 2
SRC 3
Phase CT
M1
F1+F5
None
Ground CT
M1
None
None
Phase VT
M5
None
None
Aux VT
None
None
U1
827794A1.CDR
F 5
F 1
DSP Bank
U 1
M 1
M 1
M 5
51BF-1
51BF-2
Source 4
87T
51P
UR Relay
A
V
V
A
W
W
Var
Var
Amps
Source 1
Source 3
Volts
Amps
Amps
Volts
Amps
Source 2
Summary of Contents for UR F35 Series
Page 10: ...x F35 Multiple Feeder Protection System GE Multilin TABLE OF CONTENTS ...
Page 366: ...5 238 F35 Multiple Feeder Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 426: ...10 12 F35 Multiple Feeder Protection System GE Multilin 10 6 DISPOSAL 10 MAINTENANCE 10 ...
Page 454: ...A 28 F35 Multiple Feeder Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 620: ...F 12 F35 Multiple Feeder Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Page 630: ...H 8 F35 Multiple Feeder Protection System GE Multilin H 3 WARRANTY APPENDIX H H ...
Page 640: ...x F35 Multiple Feeder Protection System GE Multilin INDEX ...