GE L30 Instruction Manual page 32

2.1 INTRODUCTION
Table 2–1: ANSI DEVICE NUMBERS AND FUNCTIONS
DEVICE FUNCTION
NUMBER
50DD Current disturbance detector
50G Ground instantaneous overcurrent
50N Neutral instantaneous overcurrent
2 50P Phase instantaneous overcurrent
50_2 Negative-sequence instantaneous overcurrent
51G Ground time overcurrent
51N Neutral time overcurrent
Table 2–2: OTHER DEVICE FUNCTIONS
FUNCTION
Breaker arcing current (I
Breaker control
Contact inputs (up to 96)
Contact outputs (up to 64)
Control pushbuttons
CT failure detector
CyberSentry™ security
Data logger
Digital counters (8)
Digital elements (48)
Direct inputs (8 per pilot channel)
Disconnect switches
DNP 3.0 or IEC 60870-5-104 protocol
2-2
Figure 2–1: SINGLE LINE DIAGRAM
FUNCTION
2
t) Fault locator and fault reporting
FlexElements™ (8)
FlexLogic equations
IEC 60870-5-103 communications
(optional)
IEC 61850 communications (optional)
Channel tests
Metering:Current, voltage, power,
frequency, power factor, 87L current, local
and remote phasors
Modbus communications
Modbus user map
Non-volatile latches
Non-volatile selector switch
Open pole detector
Oscillography
L30 Line Current Differential System
2 PRODUCT DESCRIPTION
DEVICE FUNCTION
NUMBER
59X Auxiliary overvoltage
67N Neutral directional overcurrent
67P Phase directional overcurrent
79 Automatic recloser
81U Underfrequency
87L Segregated line current differential
87LG Line ground current differential
FUNCTION
Stub bus
Synchrophasor (PMU)
Time synchronization over IRIG-B or
IEEE 1588
Time synchronization over SNTP
Transducer inputs and outputs
User-definable displays
User-programmable LEDs
User-programmable pushbuttons
User-programmable self-tests
Virtual inputs (64)
Virtual outputs (96)
VT fuse failure
GE Multilin