Transcription of Determining Electric Motor Load and Efficiency
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A Program of the Department of EnergyFACT SHEETThe energy savings networkPlugintoit!DEPARTMENTOFENERGYUNIT EDSTATESOFAMERICADETERMINING Electric MOTORLOAD AND EFFICIENCYMost likely your operation s motors account for a large part of your monthly Electric bill. Far too oftenmotors are mismatched or oversized for the load they are intended to serve, or have been re-wound multiple compare the operating costs of an existing standard Motor with an appropriately-sized energy-efficient replacement, you need to determine operating hours, Efficiency improvement values, andload. Part- load is a term used to describe the actual load served by the Motor as compared to therated full- load capability of the Motor . Motor part-loads may be estimated through using input power,amperage, or speed measurements.
load. Part-load is a term used to describe the actual load served by the motor as compared to the rated full-load capability of the motor. Motor part-loads may be estimated through using input power, amperage, or speed measurements. This fact sheet briefly discusses several load estimation tech-niques. Reasons to Determine Motor Loading
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