REF615 HBFEAEAGNDA1ABA1XG Premium Digital Busbar Protection Relay

Description

REF615 HBFEAEAGNDA1ABA1XG

The ABB REF615 HBFEAEAGNDA1ABA1XG operates as a high-performance protection and control hub for complex busbar systems, leveraging advanced differential protection technology with enhanced processing power. It continuously monitors current flows across multiple bus sections, utilizing multi-core processors to analyze data from up to 24 current transformer (CT) inputs simultaneously. This enables the relay to detect internal faults within 8-15 milliseconds while maintaining high security against false trips—critical for protecting expensive substation equipment from the destructive energy of busbar faults.

REF615 HBFEAEAGNDA1ABA1XG

This relay is optimized for digital substation environments, featuring native support for IEC 61850 Ed. 2.1 with enhanced GOOSE messaging capabilities for sub-millisecond inter-device communication. It supports both conventional CT inputs and digital sampled values (SV) from non-conventional instrument transformers, providing flexibility for hybrid or fully digital substation architectures. Configurable logic adapts to specialized busbar designs including breaker-and-a-half configurations and multi-section busbars with automatic transfer schemes, while advanced disturbance recording captures high-resolution waveform data for post-fault analysis.

REF615 HBFEAEAGNDA1ABA1XG

Main features and advantages:

Choosing the ABB REF615 HBFEAEAGNDA1ABA1XG delivers transformative benefits for critical busbar protection. Its advanced processing architecture reduces fault detection time by up to 30% compared to previous generations, minimizing exposure to damaging fault currents and extending equipment lifespan. The relay’s dual-core design separates protection functions from communication and monitoring tasks, ensuring protection integrity even during heavy data processing loads—a key advantage in digital substations with high data throughput.

Engineered for future readiness, the ABB REF615 HBFEAEAGNDA1ABA1XG supports seamless integration of digital instrument transformers and smart sensors, eliminating traditional wiring constraints and reducing installation costs. Its expanded memory capacity enables continuous recording of power quality data and fault events, supporting compliance reporting and predictive maintenance initiatives. Configurable via ABB’s latest PCM600 software with intuitive busbar configuration wizards, it simplifies complex protection schemes while reducing engineering time during commissioning.

REF615 HBFEAEAGNDA1ABA1XG

Application fields:

The ABB REF615 HBFEAEAGNDA1ABA1XG excels in the most demanding busbar protection applications. In ultra-high-voltage (UHV) transmission substations, it protects main busbars handling power transfer between regional grids, where a single fault could impact millions of customers. Its ability to manage complex breaker-and-a-half configurations makes it ideal for large generating stations and interconnection hubs requiring maximum system availability.

In industrial mega-sites such as petrochemical complexes and steel plants, the relay safeguards critical busbars supplying multiple production areas, ensuring that localized faults don’t escalate into facility-wide outages. Renewable energy clusters with high penetration of wind and solar generation rely on the ABB REF615 HBFEAEAGNDA1ABA1XG to protect collector busbars, managing bidirectional power flows while maintaining grid code compliance. Its rugged construction ensures reliable operation in harsh environments with high electromagnetic interference and temperature fluctuations.

REF615 HBFEAEAGNDA1ABA1XG

Related products:

REF615 HBFEAEAGNDA1ABA1YG – Variant with enhanced cybersecurity features for critical infrastructure protection.

REF615 HBFEAEAGNDA1ABA1ZG – Version with redundant Gigabit Ethernet ports for high-availability networks.

REF615 HBFEAEAGABB1BNA11E – Base model for standard busbar protection applications.

REX640 – Advanced bay control unit for complete integration with REF615 in digital substations.

RET670 – High-voltage feeder relay for coordinated protection in transmission networks.

REF543KM127AAAA – Transformer protection relay for substation-wide protection coordination.

ABB PQS600 – Power quality monitoring software that integrates with REF615 data.

ABB Relion 670 Series Secure Gateway – Add-on for encrypted communication in critical networks.

Installation and maintenance:

Before installing the ABB REF615 HBFEAEAGNDA1ABA1XG, verify the substation’s digital readiness, including compatibility with IEC 61850 Ed. 2.1 and available bandwidth for sampled value transmission. Confirm auxiliary power supply stability, as voltage fluctuations can affect high-speed processing functions. For digital transformer installations, validate synchronization sources to ensure time alignment within 1 microsecond for accurate differential protection.

Check panel dimensions to accommodate the 144x144mm cutout and allow 100mm clearance for ventilation, as the enhanced processing components generate slightly more heat than standard models. Ensure CT secondary circuits are properly burdened and wired to minimize noise, particularly when using both conventional and digital inputs.

For maintenance, schedule monthly reviews of health status indicators and communication logs using PCM600 software’s diagnostic dashboard. Quarterly, verify time synchronization and test GOOSE message latency to ensure sub-10ms performance. Annually, perform firmware updates to access the latest protection algorithms and security patches, and validate protection settings against current system conditions.

Every two years, conduct primary injection testing to verify differential protection operation, and calibrate analog input circuits if conventional CTs are in use. For digital substations, perform annual cybersecurity audits including password rotation and firmware integrity checks.

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