General Electrical Requirements Pdf, Insulation Resistance, Continuity, Rotation: Perform regular insulation resistance, persistence and spinning tests for many supply and use equipment such as most of motors 1/2 horsepower and bigger prior and along with evaluations done by the Contractor specified herein. Inform the Engineer one day before when equipment becomes available for approval tests. Work will be organized to expedite job scheduling. The Contractor shall be responsible for implementing all last alterations and settings on protective apparatus. Any machine material or workmanship that’s found faulty on the basis of approval tests will be reported directly to the Engineer.
The Contractor will maintain a written record of tests and upon the completion of job, assemble and reevaluate a last test report. Motor Current: Measure and document current in each stage for every new motor. Contain measurement of the engine terminal voltages (if engine terminals are somewhat inaccessible, i.e. submersible motors, take voltage studying in the engine control ) and engine currents once the motor has been operated at normal operating loads. For motors that are a part of flexible frequency use trueRMS-reading tools in making the measurements.
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