ABB RET615E_1G HBTFBCADABC1ANN11G Transformer Protection and Control Relay

Overview

The ABB RET615E_1G HBTFBCADABC1ANN11G is a transformer protection and control relay designed for demanding utility and industrial power systems. It supports precise transformer protection while improving operational reliability in medium- and high-voltage networks. The relay belongs to ABB’s Relion® 615 series, which is widely trusted for stable performance, advanced IEC 61850 communication, and intuitive engineering interfaces. Moreover, the device enhances system visibility through integrated monitoring, diagnostics, and event analysis tools. Engineers rely on it for dependable transformer management in environments where continuous uptime is essential.

Key Features and Benefits

• The relay delivers fast and selective protection for two-winding transformers using differential, overcurrent, and earth-fault algorithms.

• Moreover, integrated voltage regulation and breaker control help maintain transformer stability during fluctuating load conditions.

• Advanced communication support simplifies SCADA and substation integration, therefore reducing commissioning time.

• In addition, the robust hardware platform ensures reliable operation across wide temperature ranges in harsh substations.

• Engineers benefit from detailed event recording, waveform data, and disturbance logs that support efficient fault analysis.

• A clear LCD interface and editable single-line diagram improve local usability for field technicians during testing and maintenance.

Technical Specifications

Typical Applications

• Power transformers in utility substations that require precise differential protection.

• Step-up and step-down transformers in transmission and distribution networks needing reliable automation.

• Industrial facilities where continuous transformer monitoring improves plant availability and operational safety.

• Integrated protection and control schemes that depend on IEC 61850-based communication for digital substations.

• Retrofit projects upgrading legacy transformer protection to modern Relion® relay technology.

Support and Service

ABB provides long-term technical support, firmware updates, and lifecycle management for the Relion® 615 series. Moreover, the modular design of the RET615E_1G enables efficient field replacement and testing, which reduces downtime during maintenance. Service engineers appreciate the relay's built-in diagnostics because it helps verify health status before critical system operations.

FAQ

Q1: Does the RET615E_1G support digital substation architectures?
Yes. It fully supports IEC 61850 and IEC 61850-9-2 LE for process-bus integration.

Q2: Can this relay handle two-winding transformer differential protection?
Yes. It provides comprehensive two-winding transformer differential protection with advanced restraint features.

Q3: Is redundant Ethernet communication available?
Yes. The relay supports PRP and HSR for high-availability communication networks.

Q4: Can field technicians configure the relay without a PC?
Yes. The front-panel LCD allows local parameter viewing and basic configuration.

Q5: What tools are recommended for engineering and configuration?
ABB PCM600 software is recommended for relay configuration and system integration.