The F-PRO family of numerical multifunction relays provide complete feeder protection with a wide range of protection functions suitable for transmission, distribution and industrial applications. This broad selection of relay functionality and hardware options allow customers to choose the best suited and most cost-effective solution for each application. High reliability comes from robust and field-proven design, as well as self-monitoring hardware and a software watchdog.
The F-PRO relays include metering, sequence of event (SOE) reporting with 1 ms time stamp resolution, high quality oscillography waveform capture and fault log facility for analysis. The intuitive and simple Windows-based Relay Control Panel software allows easy configuration and disturbance analysis. Communication options supporting serial and Ethernet interfaces, as well as multiple protocols, allow simplified system integration with substation control and SCADA systems.
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
