GE VERNOVA | DISTRIBUTION & INDUSTRY TRANSFORMER PROTECTION SYSTEM | MULTILIN 345
The Multilin 345 is a member of the Multilin 3 Series protective relay platform and has been designed for the protection, control and management of power transformers as primary or backup protection device (<5 MVA). The 345 provides advanced transformer protection, control and monitoring in one economical draw-out or non draw-out design. The 345 contains a full range of self-contained protection and control elements as well as advanced communications, metering, monitoring and diagnostics.
Applications
- Application flexibility with the use of programmable logic elements
- Switchgear diagnostics and easy troubleshooting by trip/close circuit supervision and LED and Digital Output Test Mode
- Environmental monitoring system to monitor operating conditions and plan preventative maintenance
- Robust design exceeding industry standards, with Automotive Grade components and advanced testing procedures such as accelerated life cycle testing
- Draw out or non draw out options available
- Simplified migration of legacy MII Family relays to the 3 Series platform
- Intuitive configuration software and user-friendly logic configuration tool
Key Benefits
- Secure high-speed protection with improved energization inhibiting
- Field-proven algorithms and reliable protection to avoid unwanted trips or under-protection
- Integrated transformer thermal monitoring for asset management maintenance optimization
- Ground current supervised sensitive ground fault protection for detection of ground faults down to 5% of the winding
- Temperature monitoring via remote RTD's using the RMIO module supporting up to 12 RTDs
- Ease of use and flexibility with one-step setup, universal CT inputs and assignable CT inputs
- Flexible communications with multiple ports and protocols allowing seamless integration
- Powerful Security and hierarchical password control for centralized management
- Drawout design simplifies testing, commissioning and maintenance, thereby increasing process uptime
- Application flexibility with the use of programmable logic elements
- Switchgear diagnostics and easy troubleshooting by trip/close circuit supervision and LED and Digital Output Test Mode
- Environmental monitoring system to monitor operating conditions and plan preventative maintenance
- Robust design exceeding industry standards, with Automotive Grade components and advanced testing procedures such as accelerated life cycle testing
- Draw out or non draw out options available
- Simplified migration of legacy MII Family relays to the 3 Series platform
- Intuitive configuration software and user-friendly logic configuration tool
Key Features
- Front USB and rear serial, Ethernet and Fiber ports
- Multiple Protocols: IEC 61850, MODBUS TCP/IP, MODBUS RTU, DNP 3.0, IEC60870-5-104, IEC60870-5-103
Advanced Communications
The 345 utilizes the most advanced communication technologies today making it the easiest and most flexible transformer protection relay to use and integrate into new and existing infrastructures. Multiple communication ports and protocols allow control and easy access to information from the 345. The 345 supports the most popular industry standard protocols enabling easy, direct integration into electrical SCADA and HMI systems. Modbus RTU is provided as standard with a RS485 networking port.The following optional protocols are available:
- IEC 61850
- IEC 61850 GOOSE
- DNP 3.0
- Modbus RTU
- Modbus TCP/IP
- IEC 60870-5-103
- IEC 60870-5-104
