Figure 145: Simplified logic diagram for fuse failure supervision function, Main logic11.1.8 Technical dataTable 186:SDDRFUF technical dataFunction Range or value AccuracyOperate voltage, zero sequence (1-100)% of VBase ± 1.0% of VnOperate current, zero sequence (1–100)% of IBase ± 1.0% of InOperate voltage, negative sequence (1–100)% of VBase ± 0.5% of VnOperate current, negative sequence (1–100)% of IBase ± 1.0% of InOperate voltage change pickup (1–100)% of VBase ± 5.0% of VnOperate current change pickup (1–100)% of IBase ± 5.0% of InOperate phase voltage (1-100)% of VBase ± 0.5% of VnOperate phase current (1-100)% of IBase ± 1.0% of InOperate phase dead line voltage (1-100)% of VBase ± 0.5% of VnOperate phase dead line current (1-100)% of IBase ± 1.0% of In11.2 Breaker close/trip circuit monitoring TCSSCBR11.2.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberBreaker close/trip circuit monitoring TCSSCBR - -11.2.2 FunctionalityThe trip circuit monitoring function TCSSCBR is designed for supervision of controlcircuits. A fault in a control circuit is detected by using a dedicated output contact thatcontains the monitoring functionality.The function picks up and trips when TCSSCBR detects a trip circuit failure. The triptime characteristic for the function is of definite time (DT) type. The function tripsafter a predefined operating time and resets when the fault disappears.Section 11 1MRK 502 043-UUS BSecondary system supervision314Technical Manual
