Product Introduction

The ABB REC670 1MRK000008-NB is a high-performance protection and control relay designed for medium to high-voltage electrical networks. It is part of the ABB Relion® family, offering advanced protection, control, monitoring, and automation features in a compact and cost-effective design. It is particularly designed for protecting electrical networks and equipment such as transformers, motors, and feeders, making it ideal for use in utility and industrial applications.

This device ensures reliable protection by utilizing advanced algorithms for fault detection, protection settings, and event recording. It is equipped with a range of communication interfaces to integrate easily into various automation systems, supporting modern protocols like IEC 61850, which facilitates the device’s integration into power distribution networks.

Advantages

1. High-Precision Protection: The REC670 offers fast and accurate fault detection, making it ideal for preventing damage to critical equipment by ensuring timely trip operations.

2. Flexibility and Customization: It provides customizable protection schemes, enabling it to adapt to various application needs.

3. Integrated Communication: With support for IEC 61850 and other communication protocols, it allows easy integration into a substation or plant automation system.

4. Compact Design: The REC670 is designed to be space-efficient without sacrificing performance, making it suitable for installations with limited space.

5. Remote Monitoring: Equipped with advanced diagnostics and event recording, it offers remote monitoring capabilities for improved system oversight.

6. Reliable and Robust: Built to operate in harsh environments, it ensures durability and reliability for long-term use in industrial and utility applications.

Technical Specifications

Applications

The ABB REC670 relay is widely used in various industries and applications, including:

• Electrical Distribution Networks: For the protection of feeders, transformers, and buses in substations and power distribution systems.
• Industrial Plants: For protecting critical machinery such as motors, generators, and industrial processes.
• Renewable Energy Systems: Ideal for use in solar and wind farms to protect transformers and other key equipment.
• Utility Power Grids: Ensures the protection of high-voltage transmission lines and substations.

Compatible Models

Here are some compatible models that can work seamlessly with the ABB REC670:

Installation Instructions

1. Mounting: The ABB REC670 should be installed on a standard 19-inch rack or panel. Ensure proper ventilation and avoid placing the unit in areas with excessive moisture or direct heat exposure.

2. Wiring: For safety and efficiency, follow the wiring diagrams provided in the user manual. All wiring must comply with local electrical standards to ensure proper function.

3. Communication Setup: After physical installation, configure the communication protocols according to your system’s requirements. The REC670 supports IEC 61850, Modbus, and DNP3, which can be set through the unit’s configuration interface.

4. Protection Settings: Once installed, set up the protection settings via the configuration software. Each protection scheme can be tailored for specific applications such as overcurrent, earth fault, and differential protection.

5. Testing and Commissioning: Prior to full operation, conduct tests to verify that all settings are correctly applied and that the device functions as intended under fault conditions.

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FAQ (Frequently Asked Questions)

Q1: What types of protection does the ABB REC670 offer?

A1: The ABB REC670 provides overcurrent, differential, and earth fault protection. It can also be customized for various applications to offer additional protection such as motor or transformer protection.

Q2: Can the REC670 be used for both medium and high-voltage applications?

A2: Yes, the REC670 is designed for medium-voltage electrical networks but can also be adapted for high-voltage applications with the appropriate settings and additional equipment.

Q3: How can the ABB REC670 be integrated into existing power systems?

A3: The REC670 supports various communication protocols including IEC 61850, Modbus, and DNP3, making it easy to integrate into existing substation automation or power distribution systems.

Q4: Is the REC670 suitable for outdoor installations?

A4: While the REC670 is built to withstand harsh environments, it is primarily designed for indoor installations. Outdoor installation would require a suitable enclosure to protect it from environmental factors.

Q5: Can the protection settings of the REC670 be customized?

A5: Yes, the protection settings can be customized via the configuration software to suit specific application requirements, including different types of protection schemes.

Q6: What is the warranty period for the ABB REC670?

A6: The ABB REC670 comes with a standard warranty period of 2 years, during which time any manufacturing defects or issues will be addressed by ABB.