The ABB REF615 is a dedicated numerical relay designed for protection, control, and monitoring of electrical distribution systems, particularly in medium-voltage applications.
Product Name
ABB REF615 / REF615C / REF615C_C / REF615C-E
Product Description
The REF615 series is part of ABB’s Relion® family of protection and control devices. It is designed to provide flexible and cost-effective solutions for substation automation, offering functions tailored for transformer protection, feeder management, and similar applications. This series features advanced communication capabilities, a user-friendly interface, and comprehensive protection functions, suitable for integration into modern smart grids.
Product Parameters
- Voltage Rating: Applicable for medium-voltage systems (typically up to 36 kV).
- Current Ratings: Configurable for various current levels depending on the application.
- Protection Functions: Includes overcurrent, earth fault protection, transformer protection, distance protection, etc.
- Communication Protocols: Supports various protocols like IEC 61850, MODBUS, DNP3, and Profibus for integration in digital substations.
- User Interface: Available with a LCD display and customizable front panel for easier operation and monitoring.
- Power Supply: Typically available in various voltage supply options (AC/DC).
Specifications
- Dimensions and Mounting:
- Enclosure type: Panel-mounted or rack-mounted options.
- Dimensions: Specific dimensions vary by model and configuration.
- Environmental Conditions:
- Operating temperature range: -20°C to +55°C.
- Relative humidity: 5% to 95% (non-condensing).
- Protection Standards:
- Complies with international protection standards (e.g., IEC, IEEE).
- Degree of protection: Typically IP54 or IP65 for front panels.
- Approvals:
- CE marking.
- Other regional compliance marks as applicable.
Product Use
The REF615 controller is primarily used in medium-voltage transformer and feeder applications for:
- Protection: Ensures the safety and reliability of electrical systems through comprehensive protection functions.
- Control: Enables remote monitoring and control of electrical equipment, enhancing operational efficiency.
- Monitoring: Provides real-time system diagnostics and performance monitoring, facilitating predictive maintenance.
- Automation: Integrates with other smart grid technologies to automate substation operations, reducing manual intervention and improving reliability.
Applications
- Electrical substations for transformers and feeder protection.
- Industrial plants with medium-voltage distribution.
- Wind and solar farms where grid connection protection is necessary.
- Urban distribution networks requiring reliable and automated electrical control.
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