Description
F-PRO 297, 298 Feeder Protection Relays
Applications
- Primary and back-up current, voltage and frequency protection for transmission and distribution equipment
- Load shedding schemes based on frequency and rate-of-change of frequency elements
- Restricted and sensitive earth fault protection
- Two-stage breaker failure protection and breaker condition monitoring
- Busbar protection for low voltage levels can be realized by interlocking schemes
Features and Benefits
- IEC, ANSI and user-defined IDMTL curves and user-defined curve for all time grading and protection co-ordination
- Complete user configurability of output contacts, status inputs and status LED indications on front panel
- Second harmonic Inrush blocking and restraint
- Two Stages of Instantaneous/ definite/ inverse time O/C setting
- Definite time/ANSI decay characteristics for function reset provides protection for pecking/flashing faults
Flexible Communications
- Serial and Ethernet interfaces with IEC60870-5-103, MODBUS, IEC 61850 communication protocols. DNP3 available on select models
- Optional Parallel Redundancy Protocol (PRP), IEC 62439-3
Easy to Use and Maintain
- Draw out construction
- Site selectable 1A/5A CT rating
- HMI with navigation and configuration keys and alpha numeric display
- Intuitive Windows-based configuration and analysis software