GE Multilin 350 Operation & Maintenance Manual page 5

Multilin™
350
FEEDER PROTECTION SYSTEM
Intuitive and Innovative Feeder Protection
KEY BENEFITS
• Easy to use and intuitive overcurrent protection and control
for feeder applications.
• Effortless draw-out construction eliminates requirement for
test switches and reduces downtime
• Environmental monitoring system to alarm on destructive
operating conditions and plan preventative maintenance
• Easy to use interface and set up in one simple step
• Accelerated Life Cycle Tested to ensure reliability of relay
operation under abnormal conditions
• Advanced power system diagnostics to increase reliability
through fault and disturbance recording capabilities
APPLICATIONS
• Industrial feeders with enhanced breaker monitoring
diagnostics, etc.
• Distribution utility down stream breaker protection
FEATURES
Protection and Control
• Phase, neutral and ground TOC and IOC
• Undervoltage, overvoltage, frequency
• Neutral/ground directional
• Negative sequence Overcurrent
• ANSI, IAC, IEC, flex curves
• Cable Thermal Model Protection
• Breaker Failure
• Cold Load Pick Up
• Four-shot auto-reclose
• 8 digital inputs, 7 contact outputs
• Two setting groups
Metering & Monitoring
• Event Recorder: 256 events
• Oscillography with 32 samples per cycle
• IRIG-B clock synchronization
• Relay health diagnostics
• Security audit trail
• Metering - current, voltage, power, frequency
g
Digital Energy
• Flexible communications with multiple ports & protocols
to allow seamless integration into new and existing
infrastructure
• Arc flash mitigation via zone inter-tripping, flex curves, and
multiple settings group
• Powerful Security Audit Trail tool to increase security and
minimize system risks by tracking setting changes
• Application flexibility with the use of programmable logic
elements
• Medium voltage Utility feeders with advanced control features
Cold Load Pickup, auto reclose, multiple settings group, etc
User Interface
• 4 line display for easy viewing of key data
• 10 LED indicators for quick diagnostics
• Front USB and rear RS485 serial communications
• Multiple Communication Protocols:
IEC 61850
IEC 61850 GOOSE,
MODBUS TCP/IP, MODBUS RTU,
DNP 3.0, IEC 60870-5-104, IEC 60870-5-103
EnerVista Software
TM
• EnerVista Software- an industry-leading suite of software
tools that simplifies every aspect of working with Multilin
devices.
• Quick & easy configuration requiring minimal settings for
most feeder applications.
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