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have found the way to pulse outputs for micom and areva relays, have to dig on the manual under commissioning tests...

thanks to the reply guys, the failure we've experience last time is with regards to a SEL 421 distance impedance relay, there's a fault in the line and the relay respond to it correctly but the output contact didn't close. at the moment like cranky 108 is saying to test the outputs were just...

Hi, Im doing a small project regarding the maintenance procedure for digital relays for our company, at the moment as per our summary of tasks for digital relays we only test the inputs and outputs cause these relays have the ability for self checks. Im suggesting for a revision of our summary...