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Transformer protection and control RET615 IEC

Compact and versatile solution for utility and industrial power distribution systems

RET615 is a dedicated transformer protection and control relay for protection, control, measurement and supervision of power transformers, unit and step-up transformers, including power generator-transformer blocks, in utility and industrial power distribution systems.


Scope
  • Protection for two-winding power transformers including differential protection

Production benefits

  • Compact and versatile solution for utility and industrial power distribution systems with integration of protection, control, monitoring and supervision in one relay
  • Extensive range of protection and control functionality for two-winding power transformers, including advanced and fast differential protection with high inrush stability
  • Ready-made standard configurations – matching the most commonly employed vector groups – for fast and easy setup with tailoring capabilities
  • Withdrawable plug-in unit 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

Product features

  • Transformer differential with voltage protection and measurement functionality
  • Supports various neutral earthing options, matching either high-impedance or numerically low-impedance restricted earth-fault principles
  • Optional arc protection and high-speed outputs
  • Supports IEC 61850 Editions 1 and 2, including HSR and PRP, GOOSE messaging and IEC 61850-9-2 LE for less wiring and supervised communication
  • IEEE 1588 V2 for high-accuracy time synchronization and maximum benefit of substation-level Ethernet communication
  • Supports Modbus, DNP3 and IEC 60870-5-103 communication protocols

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