Our relay protection tester offers comprehensive testing for both optical digital and traditional protective devices. It's ideal for power plants, substations, equipment manufacturers, and institutions needing relay protection evaluations. THEY SHOULD BE GIVEN FIRST LINE MAINTENANCE ATTENTION. ” relay may only need to operate for 0. But failure to operate as intended can result in extensive damage, extended power outages, and loss of life. NETA. Power System protection is crucial part of power station and substations safety which use protection relays and circuit breakers to isolate faulty parts or zones within the plant including Generator zone, Motor zone, Feeder zone, Bus zone, Transformer zone and Transmission Lines zone. Its characteristics are: the interface is more friendly and beautiful, the software functions are more complete and powerful, and its unique interface is simple and clear, easy to operate, easy to. Are Virtual Protection Relays the Future of Protection and Control? By checking this box, you acknowledge our Privacy Policy and Privacy Notices available here. The Doble F6150e protective relay tester is a versatile solution for testing relays and schemes and assessing protection system. Modular, multi-phase protection relay test set and commissioning tool Compact relay test set for quick and easy manual three-phase testing Ultra-portable test set for primary and secondary injection, as well as basic protection tests Modular, multi-phase protection relay test set and commissioning.