ABB REF615E-D Dedicated Feeder-Type Intelligent Electronic Device

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1. Product Overview

The ABB REF615E‑D is a dedicated feeder protection and control Intelligent Electronic Device (IED) from the ABB Relion® 615 series. It provides protection, control, measurement, and monitoring for distribution feeders. The device supports overcurrent, earth-fault, voltage, frequency, and thermal protection, breaker control, automation logic, and remote monitoring. It is suitable for various industrial and utility distribution networks including ring, radial, and networks with distributed generation.

2. Technical Specifications (Typical)

• Model: REF615E‑D

• Type: Feeder Protection & Control IED

• Supply Voltage: 24–250 V DC or 100–240 V AC

• Current Input: CT 1 A / 5 A

• Voltage Input: PT 100 V / 220 V / 380 V

• Protection Functions:

  • Directional/non-directional overcurrent

  • Earth-fault protection

  • Under/over-voltage protection

  • Frequency protection

  • Thermal and energy protection

• Control Functions: Breaker control, interlocking, automation logic, programmable logic

• Communication Protocols: IEC 61850, Modbus RTU/TCP, DNP3, IEC 60870‑5‑103

• Measurements: Three-phase current, voltage, active/reactive power, energy, frequency, power factor

• HMI: Graphical LCD, multi-language menu, status indicators

• Event Recording: Time-tagged event logs, fault recording, trend logs

• Operating Conditions: Operating temp ‑40 °C to +70 °C; Storage temp ‑50 °C to +85 °C

3. Advantages & Features

• Dedicated feeder protection: Complete overcurrent, earth-fault, voltage, and frequency protection for various network types.

• Advanced digital communication: IEC 61850, DNP3, Modbus, enabling remote monitoring and automation integration.

• Measurement & diagnostics: Real-time electrical parameter measurement and detailed event and trend recording.

• Programmable control logic: Breaker control, interlocking, and automation strategy integration.

• Modular design: Supports module expansion for easy installation and maintenance.

• Industrial reliability: Wide temperature range for harsh environment operation.

4. Typical Applications

• Utility substation feeder protection

• Industrial power distribution and automation

• Ring, radial, and meshed network feeder protection

• Renewable energy integration points (solar, wind)

• SCADA and automation monitoring systems

• Redundant and backup protection systems

5. Installation & Operation Notes

1. CT/PT matching: Ensure current and voltage transformers are properly matched and connected to prevent measurement errors.

2. Communication configuration: Load correct device description files (ICD/config) and set network parameters for IEC 61850 or other protocols.

3. Power supply: Supply must meet rated range (DC/AC) to ensure stable operation.

4. Parameter settings: Adjust protection settings based on network characteristics for accurate and reliable operation.

5. Environmental conditions: Avoid high temperature, vibration, moisture, or corrosive media; ensure proper ventilation.