Power Supply Capability Analyzer Dynamic Adjustment
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Solution Overview
Problem
Information handling systems face challenges in determining the true operating capability of power supplies due to environmental factors such as temperature, backpressure, and altitude, which can exceed or fall short of the rated capabilities, leading to inefficient power allocation and potential system instability.
Innovation Solution
A method and system that determine the operating capability of power supplies by obtaining values for environmental factors like backpressure, temperature, and altitude, using sensors and management controllers, and adjusting the power allocation accordingly, either increasing or decreasing the nominal operating capability based on these conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power supply density is increased to improve productivity, then power supply capability is improved, but thermal management capability deteriorates
Solution Approach 1:
The patent implements dynamic adjustment of power supply operating capacity based on real-time thermal conditions. The system continuously monitors temperature and other environmental factors, then dynamically modifies the power supply's operating parameters to optimize both power delivery and thermal management, resolving the contradiction between high power density and thermal control
Solution Approach 2:
The system changes operational parameters (power output levels, fan speeds, operational modes) based on environmental conditions. By adjusting these parameters in response to temperature and other factors, the power supply can maintain high capability when conditions permit while ensuring thermal management remains effective
2Device complexity
If nominal operating capability is used without environmental adjustments, then device complexity is reduced, but power allocation efficiency deteriorates
Solution Approach 1:
The power supply system performs self-adjustment by automatically monitoring its own environmental conditions and modifying its operating capacity accordingly. This self-service capability eliminates the need for complex external control systems while optimizing power allocation efficiency based on real-time conditions
Solution Approach 2:
The system incorporates feedback loops that continuously monitor environmental factors (temperature, altitude, backpressure) and use this information to adjust power supply output. This feedback mechanism enables efficient power allocation without requiring complex predetermined control logic
3Ease of operation
If environmental factors are not considered, then ease of operation is improved, but reliability deteriorates
Solution Approach 1:
The power supply automatically adapts to environmental conditions without requiring user configuration or intervention. This self-service approach maintains ease of operation while ensuring reliable performance by having the system independently adjust to optimal operating parameters based on its environment
Data Source
AI summary
A system may implement a method for determining the operating capability of a power supply based on multiple environmental factors. Information about environmental factors may be obtained from sensors in the power supply or received from a management controller. These environmental factors may include temperature, line voltage, backpressure, or altitude. A power supply capability analyzer within the power supply may determine that, based on the environmental conditions, it is safe to increase the operating capability of the power supply, or that the operating capability of the power supply should be decreased. After determining the best operating capability for the power supply, it may be communicated to the management controller, after which it may affect the allocation of power in the system. Similar adjustments in operating capabilities may be made for all power supplies in a system or adjustments may be made to individual power supplies based on local environmental conditions.