Substation Technologies
Utilizing Fault Resistance to Test Distance Relays
Vibration and Noise Control in T&D
Substation Technologies
Circuit Breaker Lubrication
Developing circuit breaker lubrication procedures
BY RICK YOUNGBLOOD, Doble Engineering Company
Circuit breaker analyzers are used to determine operating speeds and velocity. This information enables the tester to determine if a breaker is safe to place back into service. The data recorded by a test set allows technicians to measure the time it takes from the moment the trip or close button is activated until the breaker closes or opens fully. This is an electrical...
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