Overview

The ABB 1MRK000028-CAR01 Interval Control Unit is an integral part of the RED670 Intelligent Electronic Device (IED) family, designed for advanced protection, control, and monitoring of overhead lines and cables. It supports up to five line terminals and provides instantaneous fault clearing without time grading, ensuring maximum system selectivity and reliability.

This unit seamlessly integrates with IEC 61850-based substation automation systems, offering flexible communication, redundancy, and local control capabilities. Its high sensitivity allows it to detect small fault currents, making it ideal for networks with varying load profiles.

Additionally, ABB's global application expertise and strong support infrastructure ensure that the RED670 platform remains future-proof and interoperable across various power system architectures. The 1MRK000028-CAR01 submodel is widely used in substations, transmission grids, and industrial power systems.

Technical Data

Typical Applications

• Transmission Line Protection: Provides fast and selective fault clearing for overhead lines and underground cables.

• Substation Automation: Integrates with digital control systems for real-time monitoring and control.

• Industrial Power Systems: Enhances fault detection and system stability in large-scale industrial networks.

• Smart Grid Infrastructure: Supports interoperability and future-proofing in modern grid deployments.

• Generator and Transformer Protection: Prevents equipment damage during electrical faults and abnormal conditions.

Example: In a utility system, the 1MRK000028-CAR01 isolates faults instantly, preventing disruptions to adjacent feeders. This improves uptime and reduces the risk of cascading failures, making it a cornerstone of resilient power system design.

FAQ

Q: What is the main function of this unit?
A: It provides protection, control, and monitoring for power lines and cables, with fast fault isolation.

Q: Is it compatible with IEC 61850 systems?
A: Yes, it supports IEC 61850 along with Modbus and DNP3 protocols.

Q: How many line terminals can it manage?
A: It supports up to five line terminals.

Q: Can it detect low fault currents?
A: Yes, its high sensitivity allows detection of small fault currents.