Description

REF545KC133AAAA is a medium-voltage protection relay (feeder terminal) launched by ABB. It integrates protection, measurement, control, monitoring, and communication functions, and is specifically designed for the reliable operation of medium-voltage networks and industrial equipment. The following is detailed product information:

1. Product Type: Medium-voltage protective relay (feeder terminal)

2. Core Usage: Used for protection, control, measurement, and monitoring of medium-voltage power networks, while also supporting the protection and control of medium-sized three-phase asynchronous motors and reactive power compensation capacitor banks. It integrates various automation and sequential logic control functions required for substation automation.

Typical Applications: 1. Power Systems: Protection and control of medium-voltage feeders in substations, ring main units, and secondary distribution networks; 2. Industrial Automation: Motor drive system protection and logic control to enhance production line operational stability; 3. New Energy Sector: Grid interface protection and data monitoring for wind power and photovoltaic systems; 4. Motor Design Scenarios: Support for motor performance simulation and rotor structure optimization applications.

Product Advantages1. Comprehensive Protection: Provides protection for medium-voltage power grids, motors, reactive power compensation devices, and other scenarios, compatible with various types of power grids, with timely and reliable fault response.2. Strong Flexibility and Expandability: Equipped with 34 digital inputs and 25 relay outputs, combined with PLC programmable functions, allowing custom control logic according to actual application scenarios, adaptable to diverse needs.3. Flexible Communication Connectivity: Compatible with various mainstream industrial communication protocols, supports digital grid standards such as IEC 61850, can seamlessly integrate into automation systems with different architectures, ensuring stable and reliable data transmission.4. Excellent Environmental Adaptability: Wide operating temperature range and industrial-grade anti-interference design ensure long-term stable operation in harsh industrial environments, reducing environmental impact on equipment.5. High Integration: Combines protection, measurement, control, monitoring, communication, and PLC functions in one unit, reducing device redundancy, simplifying system architecture, and lowering installation and maintenance costs.

Product Attributes: It belongs to ABB’s medium-voltage feeder terminal series core models and is part of the same series as REF541 and REF543, focusing on comprehensive protection and control in medium-voltage scenarios.