GEK-113032A W650 Wind Generator Protection System A-19APPENDIX A A.1 LOGIC OPERANDSAOPERANDS - 650 - MODEL FX - GXINTERNAL SYSTEM STATUS (CONT.)Voltage UnbalanceVOLTAGE UNBALANCE1 BLOCKVoltage unbalance element block Group 1VOLTAGE UNBALANCE1 PKPVoltage unbalance element pickup Group 1VOLTAGE UNBALANCE1 OPVoltage unbalance element operation Group 1VOLTAGE UNBALANCE2 BLOCKVoltage unbalance element block Group 2VOLTAGE UNBALANCE2 PKPVoltage unbalance element pickup Group 2VOLTAGE UNBALANCE2 OPVoltage unbalance element operation Group 2VOLTAGE UNBALANCE3 BLOCKVoltage unbalance element block Group 3VOLTAGE UNBALANCE3 PKPVoltage unbalance element pickup Group 3VOLTAGE UNBALANCE3 OPVoltage unbalance element operation Group 3OverfrequencyOVERFREQ1 BLOCK Overfrequency element block Group 1OVERFREQ1 PKP Overfrequency element pickup Group 1OVERFREQ1 OP Overfrequency element operation Group 1OVERFREQ2 BLOCK Overfrequency element block Group 2OVERFREQ2 PKP Overfrequency element pickup Group 2OVERFREQ2 OP Overfrequency element operation Group 2OVERFREQ3 BLOCK Overfrequency element block Group 3OVERFREQ3 PKP Overfrequency element pickup Group 3OVERFREQ3 OP Overfrequency element operation Group 3OVERFREQ4 BLOCK Overfrequency element block Group 4OVERFREQ4 PKP Overfrequency element pickup Group 4OVERFREQ4 OP Overfrequency element operation Group 4UnderfrequencyUNDERFREQ1 BLOCK Underfrequency element block Group 1UNDERFREQ1 PKP Underfrequency element pickup Group 1UNDERFREQ1 OP Underfrequency element operation Group 1UNDERFREQ2 BLOCK Underfrequency element block Group 2UNDERFREQ2 PKP Underfrequency element pickup Group 2UNDERFREQ2 OP Underfrequency element operation Group 2UNDERFREQ3 BLOCK Underfrequency element block Group 3UNDERFREQ3 PKP Underfrequency element pickup Group 3UNDERFREQ3 OP Underfrequency element operation Group 3UNDERFREQ4 BLOCK Underfrequency element block Group 4UNDERFREQ4 PKP Underfrequency element pickup Group 4UNDERFREQ4 OP Underfrequency element operation Group 4Breaker StatesKI2t PHASE A ALARM K·I2 t phase A AlarmKI2t PHASE B ALARM K·I2 t phase B AlarmKI2t PHASE C ALARM K·I2 t phase C AlarmBKR OPENINGSALARM Maximum Breaker openings alarmBKR OPEN 1 HOURALRM Maximum Breaker openings in one hour alarmBREAKER OPEN Breaker OpenedBREAKER CLOSED Breaker closedBREAKER UNDEFINED Breaker undefined (52a and 52b have the same status)RESET KI2tCOUNTERS KI 2 t Breaker ageing counter resetRESET BKRCOUNTERS Breaker openings and closings counters reset
