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RET620是ABB Relion產(chǎn)品家族中的620保護(hù)測控裝置產(chǎn)品系列的一員，是一款專用的變壓器測控保護(hù)裝置，為變電站和工業(yè)配電系統(tǒng)中的電力和升壓變壓器（包括發(fā)電機(jī)變壓器組）提供完美的一體化的保護(hù)、控制、測量和監(jiān)視功能。以下是RET620饋線保護(hù)裝置的優(yōu)勢、特點(diǎn)、應(yīng)用場景和產(chǎn)品說明：

1. 優(yōu)勢：

• 集成化設(shè)計(jì)：集成在一臺繼電保護(hù)裝置中的保護(hù)、控制、監(jiān)測和管理為公共和工業(yè)配電系統(tǒng)提供了緊湊和通用的方案。
• 多功能性：具有廣泛的保護(hù)和控制功能，可以用傳感器或傳統(tǒng)的CT、PT功能的可擴(kuò)展性和廣泛的應(yīng)用性，使用戶可輕松定制配置應(yīng)用程序以滿足具體要求。
• 快速安裝和測試：采用帶單線圖顯示的大液晶屏，可通過本地或易于連接和瀏覽的HMI來訪問周到的產(chǎn)品全壽命周期服務(wù)。

2. 特點(diǎn)：

• 先進(jìn)的保護(hù)和測控功能：具有多頻導(dǎo)納接地保護(hù)組合，具有先進(jìn)、快速的短路、接地故障定位功能。
• 多種可選的功能包：適用于分布式發(fā)電、電容器、基本的電機(jī)和弧光保護(hù)。
• 通信協(xié)議支持：支持IEC61850第一版和第二版，包括冗余HSR和PRP，GOOSE和IEC61850-9-2。同時(shí)支持Modbus、DNP3，IEC 60870-5-103通信協(xié)議和不同時(shí)間同步的方法，包括IEEE 1588 v2的精密時(shí)間協(xié)議。

3. 應(yīng)用場景：

RET620饋線保護(hù)裝置廣泛應(yīng)用于各種需要高性能、高可靠性的工業(yè)自動化配電系統(tǒng)，如變電站、工廠等。它可用于對電力和升壓變壓器進(jìn)行保護(hù)、控制、測量和監(jiān)視，確保電力系統(tǒng)的穩(wěn)定運(yùn)行。
4. 產(chǎn)品說明：

RET620饋線保護(hù)裝置是一款專用的變壓器測控保護(hù)裝置，為變電站和工業(yè)配電系統(tǒng)中的變壓器提供一體化的保護(hù)、控制、測量和監(jiān)視功能。它基于IEC 61850標(biāo)準(zhǔn)全新研發(fā)和設(shè)計(jì)，支持變電站內(nèi)自動化設(shè)備互操作與水平通信等特性。該裝置具有功能可擴(kuò)展性和易拆卸的特點(diǎn)，可廣泛應(yīng)用于各種規(guī)模的工業(yè)自動化配電系統(tǒng)。

RET620 is a member of the ABB Relion product family's 620 protection measurement and control device product series. It is a specialized transformer measurement and control protection device that provides perfect integrated protection, control, measurement, and monitoring functions for power and step-up transformers (including generator transformer groups) in substations and industrial distribution systems. The following are the advantages, characteristics, application scenarios, and product descriptions of the RET620 feeder protection device:

Advantages:

Integrated design: The protection, control, monitoring, and management integrated into a relay protection device provides a compact and universal solution for public and industrial distribution systems.

Multifunctionality: With a wide range of protection and control functions, it can be extended and widely applied with sensors or traditional CT and PT functions, allowing users to easily customize and configure applications to meet specific requirements.

Quick installation and testing: Equipped with a large LCD screen with single line diagram display, it can access comprehensive product lifecycle services through local or easily connected and browsed HMI.

Features:

Advanced protection and measurement and control functions: equipped with a multi frequency admittance grounding protection combination, with advanced and fast short-circuit and grounding fault positioning functions.

Multiple optional feature packages: suitable for distributed generation, capacitors, basic motors, and arc protection.

Communication protocol support: Supports the first and second versions of IEC61850, including redundant HSR and PRP, GOOSE, and IEC61850-9-2. Simultaneously supports Modbus, DNP3, IEC 60870-5-103 communication protocols, and different time synchronization methods, including the IEEE 1588 v2 precision time protocol.

Application scenario:

The RET620 feeder protection device is widely used in various industrial automation distribution systems that require high performance and reliability, such as substations, factories, etc. It can be used for protection, control, measurement, and monitoring of power and step-up transformers to ensure the stable operation of the power system.

4. Product Description:

The RET620 feeder protection device is a specialized transformer measurement and control protection device that provides integrated protection, control, measurement, and monitoring functions for transformers in substations and industrial distribution systems. It is newly developed and designed based on the IEC 61850 standard, supporting features such as interoperability and horizontal communication of automation equipment in substations. This device has the characteristics of functional scalability and easy disassembly, and can be widely used in industrial automation distribution systems of various scales.