Overview
Configured for feeder current and voltage protection in electrical distribution networks, the ABB REF615C_D (REF615 Feeder Protection and Control IED) processes electrical measurement signals and executes protection and circuit breaker control functions. Configuration D identifies a standard application variant; verify the applicable hardware and firmware documentation before assigning individual protection functions or communication options.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | REF615C_D |
| Base Model | REF615 |
| Brand | ABB |
| Product Type | Feeder Protection and Control Relay |
| Product Family | Relion 615 Series |
| Standard Configuration | Configuration D, as supplied in the provided description |
| Protection Functions | Overcurrent, earth-fault and voltage protection, subject to the configured application |
| Measurement Inputs | Current and voltage inputs, subject to hardware variant |
| Communication | IEC 61850 and other protocols, subject to installed options and firmware |
| Local Interface | Local human-machine interface, subject to hardware variant |
| Mounting | Switchgear installation; verify the enclosure and mounting arrangement |
| Weight | 4.04 kg |
| Estimated Shipping Dimensions | 17.8 x 20 x 17.8 cm |
| Auxiliary Supply | Verify the rated input voltage on the device nameplate |
| Event Recording | Availability and recording capacity depend on the hardware and firmware configuration |
Protection Logic and Industrial Communication
The REF615 platform processes current and voltage measurements to support feeder protection, fault detection and circuit breaker control. The protection functions depend on the selected configuration, enabled settings and installed hardware.
ABB Relion 615 devices support IEC 61850-based substation communication. Depending on the specific hardware and firmware, communication functions may include GOOSE messaging for exchanging status and protection signals between compatible IEDs.
For industrial control integration, verify the device communication interface, protocol version, configuration files and firmware compatibility before commissioning. Do not assume that every REF615 communication or redundancy option is available on the REF615C_D variant.
Frequently Asked Questions (FAQ)
Q: Can the REF615C_D perform overcurrent and earth-fault protection simultaneously?
A: The REF615 platform supports overcurrent and earth-fault protection functions. Confirm the exact function availability and settings against the device-specific configuration documentation.
Q: Which auxiliary supply voltage does the REF615C_D require?
A: The supplied information does not establish the rated auxiliary supply for this specific unit. Check the nameplate and the matching hardware manual before connecting power.
Q: Does the REF615C_D support IEC 61850 communication?
A: IEC 61850 is supported within the REF615 product platform. Verify the installed communication hardware, firmware version and licensed or enabled functions for the specific device.
Field Installation Guidelines
- Confirm the complete model designation and hardware configuration against the nameplate and ordering documentation.
- Check the switchgear mounting arrangement and available installation clearance before fitting the relay.
- Verify auxiliary supply voltage and polarity, where applicable, before energizing the unit.
- Connect current transformer and voltage transformer circuits according to the approved wiring diagram. Observe the required polarity and terminal assignments.
- Never open-circuit an energized current transformer secondary. Isolate the primary circuit or use an approved shorting procedure before working on CT wiring.
- Separate measurement wiring from high-current power conductors where practical. Apply the specified cable shielding and grounding arrangements.
- Verify protective settings, CT and VT ratios, trip logic, circuit breaker feedback and interlocking before placing the feeder into service.
- Test communication settings, time synchronization and protection signal exchange against the approved substation configuration.
- Record the installed firmware version and configuration settings as part of commissioning documentation
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