Power management apparatus, power management method, power management program, facility, and freezer
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Solution Overview
Problem
Existing power management systems for facilities with freezers are inefficient in reducing peak total power consumption, as they primarily focus on reducing the peak power consumption of the freezer itself.
Innovation Solution
A power management apparatus that collects data on electric power consumption within a facility, estimates total power consumption, and controls the freezer to prioritize reduction of the peak total power consumption over reduction of the peak freezer power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the freezer operates independently to reduce its own peak consumption, then freezer efficiency improves, but overall facility power optimization is compromised
Solution Approach 1:
The system implements feedback mechanisms where the control unit continuously monitors both freezer operation status and overall facility power consumption patterns. This feedback enables dynamic adjustment of freezer operation and other power loads to achieve optimal balance between freezer efficiency and total facility power optimization.
Solution Approach 2:
The control system performs preliminary actions by pre-cooling the freezer or pre-managing power loads before peak demand periods occur. This anticipatory control allows the system to reduce total facility peak consumption while maintaining freezer operational requirements.
Data Source
AI summary
A power management apparatus collects data related to electric power of a facility comprising a freezer and a power load other than the freezer, estimates total power consumption of the facility with the collected data, and performs a control of the freezer with an estimation result. The power management apparatus performs the control to prioritize a reduction of a peak in the total power consumption of the facility over a reduction of a peak in power consumption of the freezer.