GE Multilin
B90 Low Impedance Bus Differential System
2-13
2 PRODUCT DESCRIPTION
2.2 SPECIFICATIONS
2
2.2.4 METERING
CURRENT METERING
Accuracy at
0.1 to 2.0
CT rating: ±0.25% of reading or ±0.1% of rated
(whichever is greater)
2.0
CT rating:
±1.0% of reading
VOLTAGE
Accuracy:
±0.5% of reading from 10 to 208 V
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
±0.001 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu:
±0.05 Hz
I > 0.25 pu:
±0.001 Hz (when current signal is used
for frequency measurement)
2.2.5 INPUTS
AC CURRENT
CT rated primary:
1 to 50000 A
CT rated secondary:
1 A or 5 A by connection
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.2 VA at rated secondary
Conversion range:
0.02 to 46
CT rating RMS symmetrical
Current withstand:
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom; URs equipped with
24 CT inputs have a maximum operating
temp. of 50°C
Short circuit rating:
150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)
AC VOLTAGE
VT rated secondary:
50.0 to 240.0 V
VT ratio:
1.00 to 24000.00
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.25 VA at 120 V
Conversion range:
1 to 275 V
Voltage withstand:
continuous at 260 V to neutral
1 min./hr at 420 V to neutral
CONTACT INPUTS
Dry contacts:
1000
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return: 4
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
1000
maximum
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return: 2
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
IRIG-B INPUT
Amplitude modulation:
1 to 10 V pk-pk
DC shift:
TTL–Compatible
Input impedance:
50 k
Isolation:
2 kV
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points:
32, configured from 64 incoming bit pairs
Remote devices:
16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Remote DPS inputs:
5
DIRECT INPUTS
Input points:
96
Remote devices:
16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Yes, No
Data rate:
64 or 128 kbps
CRC:
32-bit
CRC alarm:
Responding to:
Rate of messages failing the CRC
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
Unreturned message alarm:
Responding to:
Rate of unreturned messages in the ring
configuration
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
Содержание B90 UR Series
Страница 28: ...1 20 B90 Low Impedance Bus Differential System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 114: ...4 28 B90 Low Impedance Bus Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 272: ...6 14 B90 Low Impedance Bus Differential System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 316: ...A 4 B90 Low Impedance Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 406: ...B 90 B90 Low Impedance Bus Differential System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 436: ...C 30 B90 Low Impedance Bus Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 446: ...D 10 B90 Low Impedance Bus Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...