MACHINE DIFFERENTIAL RELAY ITE-87M STANDARD (THREE PHASE) AND TEST CASE (SINGLE PHASE) MANUAL – ABB

GEI-28802F INSTANTANEOUS VOLTAGE RELAYS TYPES PJV11-J,L,N,AF,AH,AJ,AK,AL,AM,AN,AR,AS,AT,AW,AZ,BF, PJV12-B,C, PJV14-B,C PJV15A MANUAL – General Electric