Features - GE L30 Instruction Manual

CHAPTER 2: PRODUCT DESCRIPTION
Table 2-2: Other device functions
Function
2
Breaker arcing current (I t)
Breaker control
Channel tests
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

2.1.2 Features

2.1.2.1 Line current differential
• Phase segregated, high-speed digital current differential system
• Overhead and underground AC transmission lines, series compensated lines
• Two-terminal and three-terminal line applications
L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
Figure 2-1: Single-line diagram
Function
Event recorder
Fault locator and fault reporting
FlexElements™ (8)
FlexLogic equations
IEC 60870-5-103 communications
IEC 61850 communications
IEC 62351-9 data and communications
security
Incipient cable fault detection
Metering: Current, voltage, power,
frequency, power factor, 87L current, local
and remote phasors, harmonics, THD
Modbus communications
Modbus user map
Non-volatile latches
Non-volatile selector switch
Open pole detector
PRODUCT DESCRIPTION
Function
Oscillography
Setting groups (6)
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
2
2-3