The Numerical Relay Perspective

An old Chinese saying ... "You can't do today's job with yesterday's methods and be in business tomorrow." Are you testing numerical relays using the same philosophy and practices used for electromechanical or static (EMS) relays?. If the answer's YES, it's time to update your philosophy for testing numerical relays so as to benefit from their important attributes and testing capabilities. This can significantly reduce the amount of testing and thus, realize savings in cost and time, and more efficiently use testing resources. Ultimately, these actions are key business drivers in today's competitive world. More