ABB REF615馈线保护和测控装置是一款专用于电力系统中的馈线（如电缆或输电线路）保护、测量和控制的装置。以下是该装置的主要特点和功能：

1. 保护功能：
• REF615提供多种保护功能，包括过流保护、短路保护、地故障保护等，以确保在故障情况下迅速切断电流，防止设备受损和系统不稳定。
• 该装置支持多种保护功能如过电流、过载、短路、接地故障、过压、欠压、过频、欠频等，以满足不同保护需求。
2. 测量和监测：
• REF615能够实时监测电流、电压、功率等参数，用于评估电力系统的性能并支持系统维护。
• 装置采用高精度的数字信号处理技术，确保保护的准确性和可靠性。
3. 通信和远程控制：
• REF615配备了通信接口，使其能够与其他设备或系统进行数据交换，支持对电力系统的远程监测和控制。
• 该装置支持多种通信协议，如IEC 61850、Modbus、DNP3和IEC 60870-5-103等，以便与其他智能装置进行数据交换和远程监控。
4. 事件记录和报警：
• REF615能够记录系统事件和故障情况，并生成相关的报警信息，以帮助运维人员进行故障诊断和系统优化。
5. 自适应保护策略：
• REF615具备自适应保护策略，能够根据电力系统的运行条件和变化自动调整保护参数，提高系统的适应性。
6. 设计特点：
• REF615具有结构紧凑和易拆卸的特点，安装和测试方便。
• 装置采用直观的操作界面，用户可以通过液晶显示屏和按键进行参数设置和查询，便于操作和维护。
7. 应用场景：
• REF615适用于公用变电站和工业配电系统的保护、控制、测量和监视，包括具备或不具备分布式电源的辐射型、环形和网格型配电网。
8. 配置和灵活性：
• REF615提供多种标准配置，用户可以根据实际需求进行个性化配置，包括设定保护参数、时间-电流曲线等。
• 该装置还支持通过应用配置工具添加其他功能，以满足不同的保护要求。

The ABB REF615 Feeder Protection and Measurement and Control unit is designed for the protection, measurement and control of feeders in power systems, such as cables or transmission lines. The following are the main features and functions of the device:

Protection function:

The REF615 offers a variety of protection features, including overcurrent protection, short circuit protection, ground fault protection, etc., to ensure that the current is quickly shut off in the event of a failure, preventing equipment damage and system instability.

The device supports a variety of protection functions such as over current, over load, short circuit, ground fault, over voltage, under voltage, over frequency, under frequency, etc., to meet different protection needs.

Measurement and monitoring:

The REF615 monitors current, voltage, power and other parameters in real time to evaluate power system performance and support system maintenance.

The device adopts high-precision digital signal processing technology to ensure the accuracy and reliability of protection.

Communication and remote control:

The REF615 is equipped with a communication interface that enables it to exchange data with other devices or systems, supporting remote monitoring and control of the power system.

The device supports a variety of communication protocols, such as IEC 61850, Modbus, DNP3 and IEC 60870-5-103, for data exchange and remote monitoring with other intelligent devices.

Event recording and alarm:

The REF615 is capable of recording system events and failures and generating relevant alarm information to assist operations personnel in fault diagnosis and system optimization.

Adaptive protection strategy:

The REF615 has an adaptive protection strategy that can automatically adjust protection parameters according to the operating conditions and changes of the power system to improve the adaptability of the system.

Design features:

The REF615 is compact and easy to remove, making it easy to install and test.

The device adopts intuitive operation interface, and the user can set and query parameters through the LCD screen and buttons, which is easy to operate and maintain.

Application scenario:

The REF615 is suitable for the protection, control, measurement and monitoring of utility substations and industrial distribution systems, including radiant, ring and grid distribution networks with or without distributed power.

Configuration and flexibility:

The REF615 offers a variety of standard configurations that users can customize according to their actual needs, including setting protection parameters, time-current curves, and more.

The device also supports the addition of additional functions through the application configuration tool to meet different protection requirements.