5-122
B30 Bus Differential System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
5.6.3 BUS DIFFERENTIAL
PATH: SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
BUS DIFFERENTIAL
BUS ZONE 1(2) DIFFERENTIAL
Two zones of bus differential protection are provided. The operation of these elements is completely dependent on the
dynamic bus replica, which must be defined first. Both biased and unbiased bus differential protection functions are pro-
vided for the bus differential zone.
The biased bus differential function has a dual-slope operating characteristic (see figure below) operating in conjunction
with saturation detection and a directional comparison principle (refer to the
Bus zone 1 differential scheme logic
figure in
this section).
BUS ZONE 1
DIFFERENTIAL
BUS ZONE 1 DIFF
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
BUS ZONE 1 DIFF
PICKUP: 0.100 pu
Range: 0.050 to 6.000 pu in steps of 0.001
MESSAGE
BUS ZONE 1 DIFF
LOW SLOPE: 25%
Range: 15 to 100% in steps of 1
MESSAGE
BUS ZONE 1 DIFF
LOW BPNT: 2.00 pu
Range: 1.00 to 30.00 pu in steps of 0.01
MESSAGE
BUS ZONE 1 DIFF
HIGH SLOPE: 60%
Range: 50 to 100% in steps of 1
MESSAGE
BUS ZONE 1 DIFF
HIGH BPNT: 8.00 pu
Range: 1.00 to 30.00 pu in steps of 0.01
MESSAGE
BUS ZONE 1 DIFF
HIGH SET: 15.00 pu
Range: 0.10 to 99.99 pu in steps of 0.01
MESSAGE
BUS ZONE 1 DIFF
SEAL-IN: 0.400 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
BUS ZONE 1 DIFF BLK:
Off
Range: FlexLogic operand
MESSAGE
BUS ZONE 1 DIFF
TARGET: Latched
Range: Self-reset, Latched, Disabled
MESSAGE
BUS ZONE 1 DIFF
EVENTS: Disabled
Range: Disabled, Enabled
Summary of Contents for B30 UR Series
Page 10: ...x B30 Bus Differential System GE Multilin TABLE OF CONTENTS ...
Page 122: ...4 30 B30 Bus Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Page 326: ...5 204 B30 Bus Differential System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 412: ...A 12 B30 Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 554: ...D 10 B30 Bus Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Page 566: ...E 12 B30 Bus Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Page 574: ...F 8 B30 Bus Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...