Monitoring; Metering - GE B30 Instruction Manual

Ur series bus differential system protection relay
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2 PRODUCT DESCRIPTION
LED TEST
Initiation:
from any contact input or user-program-
mable condition
Number of tests:
3, interruptible at any time
Duration of full test:
approximately 3 minutes
Test sequence 1:
all LEDs on
Test sequence 2:
all LEDs off, one LED at a time on for 1 s
Test sequence 3:
all LEDs on, one LED at a time off for 1 s
USER-DEFINABLE DISPLAYS
Number of displays:
16
2 × 20 alphanumeric characters
Lines of display:
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
OSCILLOGRAPHY
Maximum records:
64
Sampling rate:
64 samples per power cycle
Triggers:
any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; FlexLogic equa-
tion
Data:
AC input channels; element state; con-
tact input state; contact output state
Data storage:
in non-volatile memory
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
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
RMS VOLTAGE
Accuracy:
±0.5% of reading from 10 to 208 V
GE Multilin
USER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)
Number of pushbuttons: 12 on standard front panel
Mode:
Display message:
Drop-out timer:
Autoreset timer:
Hold timer:
SELECTOR SWITCH
Number of elements:
Upper position limit:
Selecting mode:
Time-out timer:
Control inputs:
Power-up mode:
DIGITAL ELEMENTS
Number of elements:
Operating signal:
Pickup delay:
Dropout delay:
Timing accuracy:
EVENT RECORDER
Capacity:
Time-tag:
Triggers:
Data storage:
USER-PROGRAMMABLE FAULT REPORT
Number of elements:
Pre-fault trigger:
Fault trigger:
Recorder quantities:
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
I > 0.25 pu:
B30 Bus Differential System
2.4 SPECIFICATIONS
16 on enhanced horizontal front panel
6 on enhanced vertical front panel
self-reset, latched
2 lines of 20 characters each
0.00 to 60.00 s in steps of 0.05
0.2 to 600.0 s in steps of 0.1
0.0 to 10.0 s in steps of 0.1
2
1 to 7 in steps of 1
time-out or acknowledge
3.0 to 60.0 s in steps of 0.1
step-up and 3-bit
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
48
any FlexLogic operand
0.000 to 999999.999 s in steps of 0.001
0.000 to 999999.999 s in steps of 0.001
±3% or ±4 ms, whichever is greater

2.4.3 MONITORING

1024 events
to 1 microsecond
any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; self-test events
in non-volatile memory
2
any FlexLogic operand
any FlexLogic operand
TM
32 (any FlexAnalog
value)

2.4.4 METERING

±0.001 Hz (when voltage signal is used
for frequency measurement)
±0.005 Hz
±0.02 Hz (when current signal is used for
frequency measurement)
2
2-21

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