ABB REC650 1MRK000028-AA Bay Control IED

Product Overview

The ABB REC650 1MRK000028-AA is a sophisticated Intelligent Electronic Device (IED) within the Relion® 650 series, specialized for comprehensive Bay Control. It is engineered to manage, protect, and monitor overhead lines and cables in sub-transmission switchyards. 

Technical Specifications

• Model Number: REC650 1MRK000028-AA.

• Product Series: Relion 650.

• Function: Bay Control, Protection, and Monitoring.

• Communication Protocol: IEC 61850, GOOSE messaging.

• Protection Logic: Phase-isolated line differential, distance backup, overcurrent, and voltage protection.

• Control Features: Single/Two/Three-phase tripping, auto-reclosing, and synchronism check.

• User Interface: Extended HMI with 3-color status LEDs and configurable buttons.

• Application: Sub-transmission overhead lines and underground cables.

Key Features and Engineering Advantages

• Advanced Line Protection: Features phase-isolated line differential protection with exceptional sensitivity, allowing for the detection of high-resistance faults that traditional systems might miss.

• IEC 61850 Interoperability: Designed natively for the IEC 61850 standard, facilitating seamless data exchange and future-proof integration with third-party substation equipment.

• GOOSE Messaging Interlocking: Utilizes Generic Object Oriented Substation Events (GOOSE) for high-speed, peer-to-peer communication, enabling advanced interlocking logic to prevent dangerous manual switching errors.

• Comprehensive Reclosing Logic: Supports sophisticated automatic reclosing sequences and synchronism checks to safely restore power following transient faults.

• Flexible Tripping Modes: Configurable for single, two, or three-phase tripping to match the specific operational requirements of the utility network.

• Local Operational Control: The extended HMI allows field technicians to perform manual overrides, view dynamic diagrams, and acknowledge alarms directly at the bay level.