10-2
B30 Bus Differential System
GE Multilin
10.1 OVERVIEW
10 APPLICATION OF SETTINGS
10
The following table shows the assumed short circuit contributions of the connected circuits and their DC time constants.
The basic CT data is presented in the table below. The magnetizing characteristics of the three different types of CTs used
in this example are shown in the following figure.
Figure 10–2: APPROXIMATE CT MAGNETIZING CHARACTERISTICS
Table 10–1: BASIC FAULT DATA OF THE CONNECTED CIRCUIT
CIRCUIT
I
FAULT
(KA)
T
DC
(MS)
C-1
0.00
N/A
C-2
0.00
N/A
C-3
6.00
5
C-4
5.00
30
C-5
3.00
40
Table 10–2: BASIC CT DATA
CT
RATIO
V
SAT
(V)
R
CTSEC
(
Ω
)
LEADS (M)
CT-1
600:5
144
0.34
210
CT-2
600:5
144
0.34
205
CT-3
1200:5
288
0.64
200
CT-4
1000:5
240
0.54
200
CT-5, CT-6
1000:5
240
0.54
180
CT-7, CT-8
1200:5
288
0.64
200
836732A4.CDR
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 ...
