RFL GARD 8000® Current Differential Relay System
Brand: RFL Electronics
Catalog ID: RFL_GARD_8000
The GARD 8000 Current Differential Protection System is a proven current-only, high speed line protection system. The GARD 8000 87L features a wide range of digital communications interfaces. The system is available in both a 3U or 6U chassis size. Multiple communications interfaces can be used in either a redundant configuration or independent. As a result, the system can be used for two- or three-terminal lines as well as tapped load applications.
- Complete Current Differential Protection in the GARD 8000 Protective Relay and Communications System
- Duplicates the highly successful RFL 9300 measuring principle with added features
- Unaffected by up to +/- 4 ms channel asymmetry, giving a tolerance of 8 ms difference in transmit and receive path delays
- Dual Breaker option for breaker and a half or ring bus applications
- Single Pole trip
- Ideal for series compensated line applications
- 3U or 6U chassis depending on number of functional modules included
- Supports NERC/FERC security standards
- Phase-segregated measurement: three phase elements, one ground element
- High speed operation: 10 ms minimum
- Single or redundant communications interface
- Extensive Sequence of Event Reporting
- Digital fault records in COMTRADE: 32 samples per cycle
- Supports DNP 3.0
- A wide range of communication interfaces
- Two or three-terminal line applications