Product/Technical Services
Auto-Reclose Controller GRR100
Product Overview
GRR100 numerical single or multi-shot autoreclosing relay is suitable for application to either a single circuit breaker or two circuit breakers configured in a one-and-a-half breaker busbar system, and includes an integral synchronism check function.
Technical Description
Protection functions
Single-shot, single-phase and/or three-phase autoreclose scheme for one or two circuit breakers
Multi-shot (selectable between 2 and 4) three-phase autoreclose scheme for one circuit breaker
Integrated synchronism check function for autoreclose
Autoreclose counter
- three-phase autoreclose
Metering and recording functions
Metering
- Differential voltageRecording
- Event record
- Fault record
- Disturbance recordCalendar and Time
- IRIG-B port for external clock
Menu-driven human interfaces
Liquid Crystal Display (LCD) display with operation keys
- Relay setting and data displayPersonal computer (PC) interface
- Relay setting
- Recorded data display
- Waveform analyzing
Automatic supervision
Automatic monitor
