Process Management Principles for Increasing the Energy Efficiency

The table displays operational data from the mrp

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Unformatted text preview: time. The table displays operational data from the MRP system relevant to those ovens. For example, in Figure 5-10, the user selected to view the power used by Ovens E and C on a Tuesday. 2 The blue line indicates that the power use was fluctuating between 7 and 37kW between midnight and 5:30 AM, indicating that the heating element was engaged in either oven E or C. At about 5:30 AM, the load on the circuit increases to fluctuate between 25 and 65 kW, which means that the heating element in the other oven was turned on. According to the table, at 8:39 AM, the operator put an item into oven E where it continued to remain until about 4:00 PM, the current time. Based on the information in the dashboard, it is possible to deduce that that oven C was accidentally left running overnight and throughout the day without any product inside it. Oven E, on the other hand, was properly shut off overnight but turned on first thing in the morning, three hours before it was used in an operation. While the dashboard does not explicitly present those conclusions, feedback from operators and managers familiar with the cell indicated that once they were trained, it was easy to arrive at such conclu...
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