ABB电动机保护REF601 CE446BB1NH馈线保护和测控装置是一款专为保护和控制一次和二次配电网络中的公用事业和工业电力系统而设计的设备。以下是对这款装置的主要特点和功能的详细解释：

1. 产品概述：
• REF601 CE446BB1NH是一款由ABB公司生产的馈线保护继电器。
• 该装置结合了保护、监测和控制功能，为电动机和馈线提供了全面的保护解决方案。
2. 主要功能：
• 多功能保护：具备过电流保护、过负荷保护、短路保护、接地保护和电流差动保护等多种保护功能，确保电力系统在面临各种故障和异常条件时能够稳定运行并减少潜在的损害。
• 数字式控制：采用数字技术，具有高精度和可编程性，用户可以根据特定的应用需求进行定制，以满足不同的控制要求。
• 通信接口：配备通信接口，可以与其他控制系统、SCADA系统或远程监测系统进行通信，实现远程监控和操作，提高了系统的灵活性和效率。
3. 产品特点：
• 紧凑设计和安装：设计紧凑，安装和配置方便，作为一个热插拔模块，可以在不关闭系统的情况下进行更换或插入，提高了系统的可靠性和维护的便捷性。
• 高性能和可用性：与同类产品相比，REF601 CE446BB1NH具有卓越的性能和可用性，能够为主保护和馈线保护提供优化的解决方案，满足电力系统的各种保护需求。
• 可编程逻辑功能：具备可编程逻辑功能，可以根据需要执行特定的自定义控制操作。
• 支持Rogowski电流传感器：支持基于Rogowski电流传感器模拟接口的变体，有助于获得具有改进的性能和标准化的紧凑的中压开关设备。
4. 应用领域：
• 主要应用于公用事业和工业电力系统，如电力输送、工业制造等领域，为电动机和馈线提供全面的保护和控制。

The ABB Motor Protection REF601 CE446BB1NH Feeder Protection and Measurement and Control unit is a device specifically designed to protect and control utility and industrial power systems in primary and secondary distribution networks. Here is a detailed explanation of the main features and functions of the device:

Product Overview:

The REF601 CE446BB1NH is a feeder protection relay manufactured by ABB.

The unit combines protection, monitoring and control functions to provide a comprehensive protection solution for motors and feeders.

Main functions:

Multi-function protection: with over current protection, over load protection, short circuit protection, ground protection and current differential protection and other protection functions, to ensure that the power system can run stably and reduce potential damage when facing various faults and abnormal conditions.

Digital control: Using digital technology, with high precision and programmability, users can customize according to specific application needs to meet different control requirements.

Communication interface: Equipped with a communication interface, you can communicate with other control systems, SCADA systems or remote monitoring systems to achieve remote monitoring and operation, improving the flexibility and efficiency of the system.

Product features:

Compact design and installation: Compact design, easy installation and configuration, as a hot-swappable module, can be replaced or inserted without shutting down the system, improving system reliability and ease of maintenance.

High performance and availability: The REF601 CE446BB1NH offers superior performance and availability compared to its peers, providing an optimized solution for main protection and feeder protection to meet the various protection needs of power systems.

Programmable logic function: With programmable logic function, you can perform specific custom control operations as required.

Support for Rogowski Current sensors: Support for variants based on the Rogowski current sensor analog interface facilitates compact medium-voltage switchgear with improved performance and standardization.

Application field:

It is mainly used in utilities and industrial power systems, such as power transmission, industrial manufacturing and other fields, to provide comprehensive protection and control for motors and feeders.