With the continuous growth of global electricity demand and the rapid advancement of technology, the stability and security of power systems have become particularly important. ABB's Relion615 series relay protection products, as a core component of power system protection, have played a crucial role in various key projects. Now, with the continuous iteration of technology, the Relion 615 series has been updated to version 5.1, bringing more advanced functions and higher performance standards.

Protection Products

The Relion615 series includes REF615 IEC feeder protection and control devices, etc., which are specifically designed for public and industrial power distribution systems, providing comprehensive protection, control, measurement, and monitoring solutions. They can adapt to different types of power grids, including ungrounded neutral power grids and power grids with resistive or impedance grounding at the neutral point, while also supporting ring-shaped mesh power distribution networks or radial network protection.

Technical Features

The REF615 devices support the IEC 61850 communication standard, parallel redundancy protocol (PRP), and high-availability seamless redundancy protocol (HSR), ensuring the reliability and real-time nature of communication. In addition, these devices also support DNP3, IEC 60870-5-103, and Modbus® communication protocols, providing a wide range of communication compatibility.

Protective Functions

The Relion615 series devices offer a range of protective functions, including but not limited to overcurrent protection, grounding protection, voltage and frequency protection, power quality protection, and fault location. They can also perform fault recording and event logging, providing important data for the fault analysis and maintenance of power systems.

Application Scenarios

These devices are suitable for a variety of power distribution automation scenarios, including radial, loop, and mesh power distribution networks. They can serve as primary or backup protection to ensure the stable operation of power systems.

Advantages

• Highly integrated protection, control, monitoring, and management solutions provide compact and versatile solutions for public and industrial power distribution systems.
  

• The plug-in design for quick installation and testing simplifies field deployment and maintenance.

• A large LCD screen with a one-line diagram display provides an intuitive user interface.

The ABB Relion615 series relay protection products are an indispensable part of the power industry. Their update to version 5.1 marks ABB's continuous progress in power system protection technology. These products ensure the safety and stable operation of power systems by providing advanced protective functions and reliable communication capabilities. With the continuous development of the power industry, the ABB Relion615 series will continue to play a key role in power projects worldwide.