2-26
L90 Line Current Differential System
GE Multilin
2.4 SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
USER-DEFINABLE DISPLAYS
Number of displays:
16
Lines of display:
2
20 alphanumeric characters
Parameters:
up to 5, any Modbus register addresses
Invoking and scrolling:
keypad, or any user-programmable con-
dition, including pushbuttons
CONTROL PUSHBUTTONS
Number of pushbuttons: 7
Operation:
drive FlexLogic operands
USER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)
Number of pushbuttons: 12 (standard faceplate);
16 (enhanced faceplate)
Mode:
self-reset, latched
Display message:
2 lines of 20 characters each
Drop-out timer:
0.00 to 60.00 s in steps of 0.05
Autoreset timer:
0.2 to 600.0 s in steps of 0.1
Hold timer:
0.0 to 10.0 s in steps of 0.1
SELECTOR SWITCH
Number of elements:
2
Upper position limit:
1 to 7 in steps of 1
Selecting mode:
time-out or acknowledge
Time-out timer:
3.0 to 60.0 s in steps of 0.1
Control inputs:
step-up and 3-bit
Power-up mode:
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
DIGITAL ELEMENTS
Number of elements:
48
Operating signal:
any FlexLogic operand
Pickup delay:
0.000 to 999999.999 s in steps of 0.001
Dropout delay:
0.000 to 999999.999 s in steps of 0.001
Timing accuracy:
±3% or ±4 ms, whichever is greater
2.4.3 MONITORING
OSCILLOGRAPHY
Maximum records:
64
Sampling rate:
64 samples per power cycle
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic equation
Data:
AC input channels; element state; digital
input state; digital output state
Data storage:
in non-volatile memory
EVENT RECORDER
Capacity:
1024 events
Time-tag:
to 1 microsecond
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; self-test events
Data storage:
in non-volatile memory
DATA LOGGER
Number of channels:
1 to 16
Parameters:
any available analog actual value
Sampling rate:
15 to 3600000 ms in steps of 1
Trigger:
any FlexLogic operand
Mode:
continuous or triggered
Storage capacity:
(NN is dependent on memory)
1-second rate:
01 channel for NN days
16 channels for NN days
60-minute rate:
01 channel for NN days
16 channels for NN days
FAULT LOCATOR
Method:
multi-ended or single-ended during
channel failure
Voltage source:
wye-connected VTs, delta-connected
VTs and neutral voltage, delta-connected
VTs and zero-sequence current (approxi-
mation)
Maximum accuracy if:
fault resistance is zero or fault currents
from all line terminals are in phase
Relay accuracy:
±1.5% (V > 10 V, I > 0.1 pu)
Worst-case accuracy:
VT
%error
+
user data
CT
%error
+
user data
Z
Line%error
+
user data
METHOD
%error
+
0.5% (multi-ended method), see chapter
8 (single-ended method)
RELAY ACCURACY
%error
+ (1.5%)
Содержание UR Series L90
Страница 14: ...xiv L90 Line Current Differential System GE Multilin 0 1 BATTERY DISPOSAL 0 BATTERY DISPOSAL 0 ...
Страница 68: ...2 34 L90 Line Current Differential System GE Multilin 2 4 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Страница 138: ...4 30 L90 Line Current Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 604: ...9 58 L90 Line Current Differential System GE Multilin 9 6 FAULT LOCATOR 9 THEORY OF OPERATION 9 ...
Страница 652: ...A 16 L90 Line Current Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 772: ...B 120 L90 Line Current Differential System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 802: ...C 30 L90 Line Current Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 812: ...D 10 L90 Line Current Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Страница 824: ...E 12 L90 Line Current Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Страница 834: ...F 10 L90 Line Current Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...
Страница 846: ...xii L90 Line Current Differential System GE Multilin INDEX ...