A Bus B C Figure 34 SEL-751 Wiring Diagram 52 Open-Delta Potential, VS, VBAT, and CT Connections (+) (–) Line Schweitzer Engineering Laboratories, Inc. SEL-751 Data Sheet 30 Relay Panel Diagrams Relay powered properly/self-tests are okay Trip occurred Instantaneous/definite-time overcurrent...
(PAC) Batch System Controls or Other IED Scale or Other Smart Device Figure 1 Functional Diagram in Utility Substation Applications SEL-710 SEL Motor Protection Relay PLC, PAC, or Other Smart Device Watchdog Functionality An embedded controller provides an extra level of auto- mation controller ...
Open the catalog to page 2 SCAD A_1_D N P.BO_Q QOO.operCI c DNP Server Tags Source Expression Figure 2 Map Synchrophasor Data Seamlessly Into SCADA Connections Functional Diagram IEC 61131 Logic Engine As depicted in the functional diagram, each SEL-3505 i...
Figure 28 Ethernet Network Configuration With Ring Structure (Switched Mode 1A 1B SEL-710 Schweitzer Engineering Laboratories, Inc. SEL-700G Data Sheet 26 Additional Features MIRRORED BITS Relay-to-Relay Communications The SEL-patented MIRRORED BITS communications technology provides bidirectional relay-to...