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CIRCUIT BREAKER FIRST TRIP TESTING CIRCUIT BREAKER FIRST TRIP TESTING

CIRCUIT BREAKER FIRST TRIP TESTING - PowerPoint Presentation

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Uploaded On 2015-11-07

CIRCUIT BREAKER FIRST TRIP TESTING - PPT Presentation

Michael McCraney Southern Company Transmission System Some pics to use What is first trip testing Identifying lubrication problems in the mechanism Identifying mechanical wear Identifying control circuit malfunctions ID: 185947

time trip coil latch trip time latch coil contact current supply voltage main contacts amp auxiliary identifying close increased

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