{"product_id":"abb-ret615e_1g-relion-615-series-transformer-protection-relay","title":"ABB RET615E_1G Relion 615 Series Transformer Protection Relay","description":"\u003ch2\u003eABB RET615E_1G Relion 615 Protection Relay\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB RET615E_1G\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eRET615E_1G\u003c\/strong\u003e Transformer Protection \u0026amp; Control Relay, operates as a dedicated hardware component for transformer differential protection and unit supervision within Relion 615 substation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRET615E_1G HBTFBCADABC1ANN11G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard modular IED weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact panel\/rack mounting enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStation battery \/ auxiliary power driven\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eABB Relion 615 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, Modbus, DNP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Functions\u003c\/td\u003e\n\u003ctd\u003e87T Transformer Differential, 50\/51 Overcurrent, 49 Thermal Overload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Application\u003c\/td\u003e\n\u003ctd\u003eTwo-winding power, unit, and step-up transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection Rating\u003c\/td\u003e\n\u003ctd\u003eIP54 (Front panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB RET615E_1G\u003c\/strong\u003e transfers high-speed trip directives and process sampled values across backplane bus structures and substation Ethernet buses. Native IEC 61850 protocol compliance enables sub-millisecond GOOSE messaging for interlocking and trip signal distribution across deterministic station bus topologies. The internal execution engine maintains synchronized sampling across analog current and voltage channels, applying automatic CT ratio matching and vector-group software compensation without relying on external interposing hardware transformers. Integrated firmware flash compatibility preserves parameter configurations, event records, and disturbance data across power cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary transformer configurations does the RET615E_1G support?\u003c\/p\u003e\n\u003cp\u003eA: The relay is configured for two-winding power transformers, unit transformers, and generator-transformer step-up blocks requiring differential protection alongside integrated control and monitoring.\u003c\/p\u003e\n\u003cp\u003eQ: How does the RET615E_1G handle vector group differences between transformer windings?\u003c\/p\u003e\n\u003cp\u003eA: The internal firmware executes automated numerical vector-group compensation and CT ratio matching directly within the processing logic, eliminating the need for physical interposing current transformers.\u003c\/p\u003e\n\u003cp\u003eQ: Which communication protocols are available for SCADA and substation automation integration?\u003c\/p\u003e\n\u003cp\u003eA: The unit natively supports IEC 61850 for digital substation station buses, as well as Modbus and DNP3 protocols for legacy SCADA RTU integration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the RET615E_1G chassis securely into the switchgear panel cutout or rack panel, ensuring a clean earth ground connection between the relay ground terminal and the main station earth bar. Route all current transformer (CT) secondary leads through dedicated shorting terminal blocks before terminating onto the rear terminal block assembly. Maintain clear physical separation between AC current\/voltage input wiring and DC control or communication cables to minimize inductive noise coupling. Verify that all fiber optic or twisted-pair Ethernet cables for IEC 61850 station bus communication comply with industrial shielding and minimum bend radius standards prior to energizing the station auxiliary power supply.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51365594825016,"sku":"RET670 1MRK004816-CC","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/RET615E_1G_HBTFBCADABC1ANN11G1.jpg?v=1763345046","url":"https:\/\/www.automodulexpert.com\/products\/abb-ret615e_1g-relion-615-series-transformer-protection-relay","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}