RET620 Transformer protection and control

RET620 is a dedicated transformer management relay for the protection, control, measurement and supervision of both power and step-up transformers, including power generator-transformer blocks, in utility and industrial power distribution systems. RET620 is also ideal for voltage regulation.

Compact and versatile two-winding power transformer protection relay with integration of protection, control, monitoring and supervision in one relay.

RET620 is a member of ABB’s Relion® family and part of its 620 protection and control product series.

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Description

RET620 Transformer protection and control

Product description

RET620 is a dedicated transformer management relay for the protection, control, measurement and supervision of both power and step-up transformers, including power generator-transformer blocks, in utility and industrial power distribution systems. RET620 is also ideal for voltage regulation.

Compact and versatile two-winding power transformer protection relay with integration of protection, control, monitoring and supervision in one relay.

RET620 is a member of ABB’s Relion® family and part of its 620 protection and control product series.

Scope

  • Protection for two-winding power transformers

Key benefits

  • Extensive protection and control functionality
  • Functional scalability and extensive possibilities to easily tailor configurations to application-specific requirements
  • Withdrawable plug-in unit design for swift installation and testing
  • Large graphical display showing customizable SLDs, accessible either locally or through an easy-to-use web-browser-based HMI
  • Extensive life-cycle services

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Product parameter

  • Extensive range of protection and control functionality for two-winding power transformers, including advanced and fast differential protection with high inrush stability
  • Supports various neutral earthing options, matching either high-impedance or numerical low-impedance restricted earth-fault principles
  • Optionally can also include automatic voltage regulation of power transformers with a motor-driven on-load tap changer and arc protection
  • Supports native IEC 61850 Edition 1 and 2, including redundancy HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
  • Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols and different time synchronization methods, including high-accuracy time synchronization via IEEE 1588 V2 Precision Time Protocol

Application field

The engineering manual contains instructions on how to engineer the IEDs using the different tools in PCM600. The manual provides instructions on how to set up a PCM600 project and insert IEDs to the project structure. The manual also recommends a sequence for engineering of protection and control functions, LHMI functions as well as communication engineering for IEC 61850 and DNP3.
The installation manual contains instructions on how to install the IED. The manual provides procedures for mechanical and electrical installation. The chapters are organized in chronological order in which the IED should be installed.
The operation manual contains instructions on how to operate the IED once it has been commissioned. The manual provides instructions for monitoring, controlling and setting the IED. The manual also describes how to identify disturbances and how to view calculated and measured power grid data to determine the cause of a fault.
The application manual contains application descriptions and setting guidelines sorted per function. The manual can be used to find out when and for what purpose a typical protection function can be used. The manual can also be used when calculating settings.

Please contact Sunny sales@xiongbagk.cn for the best price.

➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com

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