ABB REF620 NBFNAAAAABC1BNNIXF 继电保护装置是一款功能强大、高度可靠且配置灵活的数字化继电保护设备。以下是对其特点的详细解析：

1. 产品概述：
• REF620是ABB公司推出的专用馈线保护装置，专门用于保护、控制、测量和监视公共和工业电网，包括辐射、环形和网状电网。
• 型号：NBFNAAAAABC1BNNIXF，体现了其特定的配置和用途。
2. 主要功能：
• 提供馈线过流和接地故障保护，适用于中性点不接地网络和电阻或阻抗中性点接地网络。
• 配备先进的站级间通信功能，可用于环形网状配电网络或辐射网络保护。
• 支持多种保护功能，包括过载、短路、接地等，确保电力系统的安全运行。
3. 配置选项：
• REF620有单母线和双母线两种配置可选，每种母线配置又有一个或两个断路器及多个开关装置配置可选。
• 装置支持大量手动和电动隔离开关和接地开关，提供灵活的硬件配置选项。
• 可用I/O的数量可根据ABB的RIO600远方I/O装置的需要而增加，实现软件配置的灵活性。
4. 通信能力：
• 支持变电站IEC61850通信标准，涵盖垂直和水平通信，包含带开关量信号和模拟量信号的GOOSE报文以及基于IEC 61850-8-1的定值整定。
• 还支持DNP3, IEC 60870-5-103和Modbus®规约，实现与其他设备和系统的无缝连接。
• 通过PRP或HSR规约在通信故障时为无延时的冗余以太网提供一个可选以太网口或提供一个环网自愈RSTP通信，提高通信可靠性。
5. 用户友好性：
• 配备大屏幕液晶显示器和直观的操作界面，方便用户进行参数设置、事件查看和故障诊断操作。
• 提供周到的产品全寿命周期服务，确保用户在使用过程中得到及时的技术支持和维护。
6. 应用领域：
• 广泛应用于电力系统的各个领域，包括变电站、发电厂、工业用电等，满足不同电网的保护需求。

ABB REF620 NBFNAAAAABC1BNNIXF 继电保护装置以其高可靠性、全面的保护功能和灵活的配置选项，为电力系统的保护和自动化提供了一种可靠而先进的解决方案。

The ABB REF620 NBFNAAAAABC1BNNIXF relay protection device is a powerful, highly reliable and flexible digital relay protection device. The following is a detailed analysis of its characteristics:

Product Overview:

The REF620 is ABB's dedicated feeder protection device designed to protect, control, measure and monitor public and industrial power grids, including radiant, ring and mesh grids.

Model number: NBFNAAAAABC1BNNIXF, reflecting its specific configuration and use.

Main functions:

Provides feeder overcurrent and ground fault protection for neutral ungrounded networks and resistance or impedance neutral ground networks.

Equipped with advanced interstation communication functions, it can be used for ring mesh distribution network or radiation network protection.

Support a variety of protection functions, including overload, short circuit, grounding, etc., to ensure the safe operation of the power system.

Configuration options:

The REF620 is available in single and dual bus configurations, with one or two circuit breakers and multiple switchgear configurations for each bus configuration.

The device supports a large number of manual and electric isolation switches and ground switches, offering flexible hardware configuration options.

The amount of available I/O can be increased according to the needs of ABB's RIO600 remote I/O devices, enabling flexibility in software configuration.

Communication capability:

Support for substation IEC61850 communication standards, covering vertical and horizontal communication, GOOSE messages with switching signals and analog signals, and set setting based on IEC 61850-8-1.

It also supports DNP3, IEC 60870-5-103 and Modbus® protocols for seamless connectivity with other devices and systems.

The PRP or HSR protocol provides an optional Ethernet port for redundant Ethernet without delay or provides a ring network self-healing RSTP communication in case of communication failure to improve communication reliability.

User friendliness:

It is equipped with a large-screen LCD display and intuitive operation interface, which is convenient for users to set parameters, view events and troubleshoot operations.

Provide thoughtful product life cycle services to ensure that users get timely technical support and maintenance during use.

Application field:

It is widely used in various fields of power system, including substations, power plants, industrial electricity, etc., to meet the protection needs of different power grids.

With its high reliability, comprehensive protection features and flexible configuration options, the ABB REF620 NBFNAAAAABC1BNNIXF relay protection unit provides a reliable and advanced solution for the protection and automation of power systems.