Transformer protection relay RET615

earth-leakagevoltageIEC

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