Reyrolle 7SR10 Argus is a protection relay designed for distribution and industrial applications, providing both directional and non-directional protections. Here are the key features and application areas of this relay:
Main Function: Protection for distribution networks and industrial facilities.
Inputs and Outputs: This relay comes in different configurations, with the number of inputs/outputs varying based on the model. For example, one model may have four current transformers and three dual inputs/outputs, while another may have four current transformers and three voltage transformers. It also offers communication options such as a front USB port and an optional rear RS485 port.
Protocols: Supports various communication protocols, including IEC 60870-5-103, DNP 3.0, or Modbus RTU.
Enclosure: It features a size 4 enclosure with a height of 4U.
Benefits:
Control of circuit breaker opening and closing through the front panel button.
Viewing and editing protection settings from the front panel.
Nine LEDs programmable by the user.
Cold-load protection.
Ability to use two separate setting groups.
Two-level password protection for security.
Support for user-programmable logic with eight virtual inputs/outputs.
Self-monitoring feature.
Monitoring of circuit breaker opening and maintenance counts.
Displaying the last 15 fault records on the front panel.
Storing up to 15 records with a waveform recorder (each lasting 1 second).
A 20-character x 4-line backlit LCD display.
Applications:
Overcurrent protection for feeders.
Backup protection.
Compact transformer substations.
Protection against harmonic transfer from unconventional energy sources to the grid.
Renewable energy sources.
Industrial medium and low-voltage applications.