RET650 A05 - 3 Winding Transformer protection 20AI 2*(6I+4U)W1T3W PDIF87T 3Id/ICC RBRF50BF 3I> BFCC RBRF50BF 3I> BFOC4 PTOC50/51 3I>OC4 PTOC51/67 3I>CC RPLD52PD PDCC RBRF50BF 3I> BFCC RPLD52PD PDEF4 PTOC51N IN>CC RPLD52PD PDTR PTTR49 IthTR PTTR49 IthV MSQIMeter.C MSQIMeter.V MMXUMeter.C MMXUMeter.CV MMXNMeter.V MSQIMeter.C MSQIMeter.V MMXUMeter.C MMXUMeter.CV MMXNMeter.TCS SCBRCondTCS SCBRCondTCS SCBRCondSPVN ZBATCondTR8 ATCC90 UTCM YLTC84UV2 PTUV27 U<OV2 PTOV59 U>PH PIOC50 3I>>TR PTTR49 IthREF PDIF87N IdN/IOther configured functionsREF PDIF87N IdN/IREF PDIF87N IdN/IOEX PVPH24 U/f>OC4 PTOC51/67 3I>EF4 PTOC51N/67N IN>EF4 PTOC51N/67N IN>DRP RDREMont.CV MMXNMeter.Y Y@ROV2 PTOV59N 3UO>35 kV Bus110 kV Bus10 kV BusIEC61850ANSI IECFunction Onin SettingsIEC61850ANSI IECFunction Offin SettingsTransformer Data:40/40/15 MVA110±11*1.5% / 36.75 / 10.5 kV210/628/825 AYNyn0d5110kV/100V300/11000/1800/1800/1300/110kV/100V35kV/100V1000/1W3 W2IEC09000646-3-en.vsdIEC09000646 V3 ENFigure 2. A typical protection application for a three-winding transformer in single breaker arrangementTransformer protection RET650 1MRK 504 137-BEN BProduct version: 1.3ABB 5