描述

RET650 變壓器保護(hù)

可靠的保護(hù)和控制所有類型的電力變壓器和電抗器

RET650為保護(hù)二繞組和三繞組變壓器提供了最佳的“現(xiàn)成”現(xiàn)成解決方案。經(jīng)過型式測(cè)試的RET650 ied(智能電子設(shè)備)的變體配備和配置了完整的功能和默認(rèn)參數(shù)，以便于處理產(chǎn)品-從訂購(gòu)，工程和調(diào)試到可靠運(yùn)行。

650系列IED(智能電子設(shè)備)具有許多有用的功能，例如顯著減少了參數(shù)設(shè)置數(shù)量和擴(kuò)展的IED HMI功能，包括每頁(yè)15個(gè)動(dòng)態(tài)三色指示led，最多三頁(yè)，以及可配置的按鍵快捷方式用于不同的操作。

在650系列簡(jiǎn)易爆炸裝置中，最基本的參數(shù)是在出廠前設(shè)置好的。您只需要設(shè)置特定于您的應(yīng)用程序的參數(shù)。這使您可以快速地將簡(jiǎn)易爆炸裝置投入使用。應(yīng)用手冊(cè)包含了為保護(hù)工程師提供支持的示例。

信心——完全自信

變壓器保護(hù)RET650 ied屬于Relion保護(hù)和控制產(chǎn)品系列。Relion產(chǎn)品系列為電力系統(tǒng)的保護(hù)，控制，測(cè)量和監(jiān)督提供廣泛的產(chǎn)品。為了確保可互操作和面向未來的解決方案，Relion產(chǎn)品的設(shè)計(jì)實(shí)現(xiàn)了IEC 61850標(biāo)準(zhǔn)的核心價(jià)值。憑借日立能源領(lǐng)先的技術(shù)、全球應(yīng)用知識(shí)和經(jīng)驗(yàn)豐富的支持網(wǎng)絡(luò)，您可以完全相信您的系統(tǒng)在任何情況下都能可靠地運(yùn)行。

無與倫比的靈敏度和速度

RET650為電力變壓器繞組匝間故障提供了最好的覆蓋范圍，其獨(dú)特的負(fù)序內(nèi)部/外部故障鑒別器比傳統(tǒng)的穩(wěn)定變壓器差動(dòng)保護(hù)功能更快。它還支持極其敏感的保護(hù)，以檢測(cè)不斷演變的內(nèi)部故障，以便在更嚴(yán)重的故障發(fā)生之前觸發(fā)系統(tǒng)。RET650對(duì)主ct要求低，不需要插入ct。

所有直接或低阻抗接地繞組的低阻抗限制接地故障功能為外部故障提供了出色的穩(wěn)定性。每個(gè)繞組都有單獨(dú)的保護(hù)，不需要諧波穩(wěn)定，確保高靈敏度和快速跳閘。該功能的附加定向零序電流準(zhǔn)則提高了安全性。

過流功能提供必要的備份保護(hù)。熱過載功能可防止變壓器因過載而損壞。斷路器故障保護(hù)允許高速后備跳閘周圍斷路器和重新跳閘自己的斷路器。

RET650為您提供了基于應(yīng)用靈活性的面向未來的概念，這使得它成為新安裝和改造安裝的絕佳選擇。在IED內(nèi)集成主保護(hù)和一系列備用保護(hù)功能，可提高您的電力系統(tǒng)性能。減少了硬件工程和安裝時(shí)間，減少了對(duì)空間和備件的需求。

RET650 變壓器保護(hù)

For reliable protection and control of all types of power transformers and reactors

RET650 offers an optimum ‘off-the-shelf’, ready-made solution for the protection of two- and three-winding transformers. The type-tested variant of RET650 IEDs (Intelligent Electronic Device) is delivered equipped and configured with complete functionality and with default parameters for easy handling of products – from ordering, engineering, and commissioning to reliable operation.

The 650 series IEDs (Intelligent Electronic Device) have a number of useful features, such as a significantly reduced number of parameter settings and extended IED HMI functionality, including 15 dynamic three-color indication LEDs per page, on up to three pages, and configurable push-button shortcuts for different actions.

In the 650 series IEDs, the most basic parameters are set before delivery from the factory. You only need to set the parameters specific to your application. This allows you to quickly take your IEDs into operation. The application manual includes setting examples to support your protection engineers.

Relion – Complete confidence

Transformer protection RET650 IEDs belong to the Relion protection and control product family. The Relion product family offers a wide range of products for the protection, control, measurement, and supervision of power systems. To ensure interoperable and future-proof solutions, Relion products have been designed to implement the core values of the IEC 61850 standard. With Hitachi Energy’s leading-edge technology, global application knowledge, and experienced support network, you can be completely confident that your system performs reliably – in any situation.

Unrivaled sensitivity and speed

RET650 offers the best possible coverage for power transformer winding turn-to-turn faults and the unique negative sequence internal/external fault discriminator is faster than a conventional stabilized transformer differential protection function. It also enables extremely sensitive protection to detect evolving internal faults so that the system can be tripped before a more severe fault with serious damages occurs. RET650 places low requirements on the primary CTs and no interposing CTs are needed.

The low impedance restricted earth-fault function for all directly or low impedance earthed windings provide excellent stability for external faults. Having individual protection for each winding without the need for harmonics stabilization ensures high sensitivity and fast tripping. The additional directional zero-sequence current criterion of this function increases security.

Overcurrent functions provide the necessary back-up protection. The thermal overload function prevents transformer damage caused by overload. Breaker failure protection allows high-speed back-up tripping of surrounding breakers and re-tripping of the own breaker.

RET650 provides you with a future-proof concept based on application flexibility, which makes it an excellent choice for both new and retrofit installations. The integration of the main protection and a range of back-up protection functions within the IED improve your power system performance. It also reduces hardware engineering and installation time as well as space and spare parts requirements.

 

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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed



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