The ABB REF615E_E is a relay-based protection and control unit designed for power distribution networks. Specifically, it is a part of the REF600 series, which is commonly used for protecting and controlling medium-voltage electrical systems. The REF615E_E is engineered to provide advanced protection, monitoring, and control functions, typically used in switchgear, substations, and other electrical distribution systems.

Product Name:

ABB+REF615E_E HBFHAEAGNBA1BNN1XE

Product Description:

The REF615E_E is a multifunctional protection relay from ABB’s REF600 family. It is designed to protect, monitor, and control medium-voltage electrical systems. The device is built to provide a high level of reliability, flexibility, and scalability for industrial, commercial, and utility applications. The relay is particularly suited for applications such as feeder protection, transformer protection, and distribution automation.

The REF615E_E includes advanced features such as:

• Multi-functional protection for feeders, transformers, and other electrical equipment.
• Comprehensive communication capabilities using different protocols like IEC 61850 and Modbus.
• User-friendly interface with a color display for easy operation and monitoring.
• Configurable I/O modules for adaptable system integration.
• Local and remote control and monitoring functionalities.
• Time, current, and voltage-based protection schemes (including distance protection, overcurrent protection, and earth fault protection).
• Data logging and event recording for system diagnostics.

Product Parameters and Specifications:

• Voltage Range: 1 kV to 52 kV (depending on the application).
• Frequency: 50/60 Hz.
• Protection Features:
  • Overcurrent (OC)
  • Earth fault (EF)
  • Short-circuit (SC)
  • Overvoltage/undervoltage protection
  • Distance protection (optional, depending on configuration)
  • Thermal overload protection
  • Underfrequency/Overfrequency protection
  • Load shedding (optional)
• Communication Protocols:
  • IEC 61850 (for substation automation)
  • Modbus RTU and Modbus TCP
  • DNP3 (optional)
• Display: Color LCD for local user interface.
• Input/Output:
  • Multiple digital inputs and outputs.
  • Configurable analog inputs for current, voltage, and temperature measurements.
• Auxiliary Power Supply:
  • Typically 110 V DC / 220 V DC or 110 V AC / 230 V AC depending on system configuration.
• Enclosure: Modular, designed for panel or rack mounting.
• Environmental Conditions:
  • Operating Temperature: -25°C to +55°C.
  • Humidity: 5% to 95% RH (non-condensing).
• Relay Testing:
  • Built-in test functions for checking the protection settings and relay functionality.
• Accuracy:
  • Current measurement accuracy: ±1% of the nominal current.
  • Voltage measurement accuracy: ±0.5% of nominal voltage.

Product Use:

The REF615E_E is typically used in the following applications:

1. Feeder Protection: Protects the distribution lines from short circuits, overcurrent, and other faults.
2. Transformer Protection: Safeguards transformers from faults like overcurrent, earth faults, and thermal overload.
3. Substation Automation: Works in coordination with other systems for automated control and monitoring of substations.
4. Network Monitoring and Control: Provides real-time monitoring, diagnostics, and protection of electrical distribution systems.
5. Remote Operation: Enables remote monitoring, control, and diagnostics of electrical systems via SCADA or other automation systems.
6. Industrial Power Distribution: Used in factories and large commercial buildings for protecting and controlling power distribution networks.