REF620E_1G   NBFNAANNNDA1BNN11G | 馈线保护和控制继电器 | REF542PLUS

型号：REF620E_1G   NBFNAANNNDA1BNN11G

类别：馈线保护和控制继电器

成色：全新/非全新

货期：现货

质保：一年

快递：顺丰/德邦

产品净重：7 千克

馈线保护和控制继电器在电力系统中扮演着关键角色，其主要用于公用事业和工业配电系统的保护、控制、测量和监控。以下是关于馈线保护和控制继电器（以ABB REF620 IEC为例）的详细解释：

一、产品概述

ABB REF620E_1G   NBFNAANNNDA1BNN11G IEC是一款专用馈线管理继电器，它将保护、控制、监控和监督功能集成在一个继电器中，为各种馈线应用提供了紧凑型的解决方案。这款继电器适用于辐射状、环状和网状网络，无论是有分布式发电还是无分布式发电的系统。

二、主要功能

保护功能：REF620E_1G   NBFNAANNNDA1BNN11G IEC提供广泛的保护和控制功能，包括进线和出线的各种保护，以及广泛的接地故障保护产品组合。其独特的基于多频导纳的保护具有更高的灵敏度和选择性。

控制功能：继电器支持短路和接地故障的高级快速故障定位、分布式发电的互连保护、电容器组、基本电机和电弧保护等功能。

测量和监控功能：REF620 IEC具有大型图形显示器，用于显示可定制的SLD（开关逻辑图），并可通过易于使用的基于网络浏览器的HMI（人机界面）进行本地或远程访问。

三、技术特点

功能可扩展性和定制性：REF620 IEC具有功能可扩展性和广泛的可能性，可根据特定应用的需求轻松定制配置。

抽出式插件设计：这种设计便于快速安装和测试，提高了工作效率。

通信协议支持：支持原生IEC 61850版本1和2，包括冗余HSR和PRP，以及Modbus、DNP3和IEC 60870-5-103通信协议，使得与其他设备的通信更加灵活和高效。

时间同步：支持不同的时间同步方法，包括通过IEEE 1588 V2精确时间协议进行高精度时间同步，确保数据的准确性和一致性。

四、应用领域

REF620 IEC系列继电器是更先进的配电应用中保护和控制的理想选择，广泛应用于中压变电站进线和出线的保护等领域。

REF620E_1G NBFNAANNNDA1BNN11G | Feeder protection and control relay | REF542PLUS

Model: REF620E_1G NBFNAANNNDA1BNN11G

Category: Feeder protection and control relays

Finish: New/not new

Delivery time: from stock

Warranty: One year

Express: SF Express/Debon

Net weight: 7kg

Feeder protection and control relays play a key role in power systems, primarily for the protection, control, measurement and monitoring of utility and industrial distribution systems. The following is a detailed explanation of feeder protection and control relays (using ABB REF620 IEC as an example) :

I. Product overview

The ABB REF620E_1G NBFNAANNNDA1BNN11G IEC is a dedicated feeder management relay that integrates protection, control, monitoring and supervision functions in a single relay, providing a compact solution for a variety of feeder applications. This relay is suitable for radial, ring and mesh networks, both with and without distributed generation.

Two, the main function

Protection Features: REF620E_1G NBFNAANNNDA1BNN11G IEC offers a wide range of protection and control features, including various protections for incoming and outgoing wires, as well as an extensive portfolio of ground fault protection products. Its unique multi-frequency admittance based protection offers higher sensitivity and selectivity.

Control functions: Relays support advanced rapid fault location for short and ground faults, interconnect protection for distributed generation, capacitor banks, basic motor and arc protection, and more.

Measurement and monitoring capabilities: The REF620 IEC features a large graphical display for displaying customizable SLD (switching logic diagram) and can be accessed locally or remotely via an easy-to-use web browser-based HMI (Human Machine interface).

3. Technical characteristics

Functional scalability and customization: The REF620 IEC is functionally scalable and has a wide range of possibilities to easily customize the configuration according to the needs of a specific application.

Draw-out plug-in design: This design facilitates quick installation and testing, improving work efficiency.

Communication protocol support: Native IEC 61850 versions 1 and 2 are supported, including redundant HSR and PRP, as well as Modbus, DNP3 and IEC 60870-5-103 communication protocols, making communication with other devices more flexible and efficient.

Time synchronization: Supports different time synchronization methods, including high-precision time synchronization through the IEEE 1588 V2 Precise Time protocol to ensure data accuracy and consistency.

4. Application field

The REF620 IEC series of relays are ideal for protection and control in more advanced distribution applications and are widely used in areas such as incoming and outgoing line protection in medium voltage substations.