Building Energy Management Using Condition-Based Load Reduction
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Solution Overview
Problem
Conventional energy management systems struggle to balance energy reduction and amenity maintenance in buildings, as presented energy reduction capabilities often do not account for specific conditions, leading to inadequate energy savings or compromised comfort.
Innovation Solution
An energy management system that includes an energy management apparatus and control apparatus, which perceives the operating status of equipment devices and presents energy reducing capabilities based on various conditions such as continuation time and start time, allowing for tailored energy reduction strategies that minimize amenity impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the energy management company determines the time period and amount of energy to be reduced in advance for all buildings, then the amount of energy can be reduced effectively, but the amenity in the buildings cannot be adequately taken into account
Solution Approach 1:
The system dynamically adjusts energy reduction strategies based on real-time operating status of equipment devices. The control apparatus continuously monitors equipment status and presents multiple energy reducing capabilities for different conditions, allowing the energy management company to select strategies that adapt to current building conditions rather than applying fixed predetermined reductions.
Solution Approach 2:
The system changes parameters by presenting multiple energy reducing capabilities with different continuation times and start times. This allows the energy management company to select from various parameter combinations (time periods, reduction amounts) that can be optimized for both energy savings and amenity maintenance based on current equipment operating status.
2Ease of operation
If each building presents the time period and amount of energy that can be reduced, then the amenity in the buildings can be maintained, but the amounts of energy that can be reduced and time periods presented by all buildings are not appropriate as a whole
Solution Approach 1:
The control apparatus provides feedback to the energy management company by presenting multiple energy reducing capabilities for different conditions. This feedback mechanism allows the energy management company to evaluate overall energy reduction effectiveness across all buildings and make coordinated decisions, while each building's control apparatus maintains awareness of local amenity requirements through continuous equipment status monitoring.
Solution Approach 2:
The control apparatus serves multiple functions: it monitors equipment operating status, calculates multiple energy reducing capabilities under different conditions, and communicates with both the energy management company and local equipment. This multi-functionality enables the system to simultaneously address local amenity requirements and overall energy reduction goals.
3Loss of energy
If energy reducing is performed without considering operating status and conditions, then the amount of energy can be reduced, but the reduction strategies may not be appropriate for different equipment states
Solution Approach 1:
The system applies local quality by calculating energy reducing capabilities specific to each equipment device's operating status. Different equipment devices or the same device under different operating conditions receive tailored energy reduction strategies rather than uniform reductions, ensuring that local conditions (equipment state, building requirements) are appropriately considered.
Data Source
AI summary
An energy management system includes an energy management apparatus configured to mange energy supplied to equipment devices of a plurality of buildings, and a control apparatus configured to control the equipment devices in the buildings. The energy management apparatus is located superordinate to the buildings. The control apparatus is connected to the energy management apparatus. The control apparatus includes an operating status perceiving unit configured to perceive operating status of the equipment devices, and a reducing capability presentation unit configured to present a plurality of energy reducing capabilities for at least one condition to the energy management apparatus. The energy reducing capabilities are amounts of energy that can be reduced for the equipment devices based on the operating status perceived.