Adaptive Battery Power Distribution for Varying Load Conditions
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Solution Overview
Problem
Existing battery management systems are inefficient in handling varying charge or discharge power, leading to reduced battery life and increased failure risk in power storage devices, particularly in smart grid systems where power consumption is irregular.
Innovation Solution
An apparatus comprising a power measuring unit, a reference setting unit, and a power distributing unit that sets and adapts a power distribution reference to manage and distribute charge or discharge power among battery units with different outputs and capacities, ensuring optimal usage and reducing excessive strain on specific cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a large number of battery cells are electrically connected to achieve high output or high capacity, then the power storage capability is improved, but the complexity of managing and distributing power among cells increases
Solution Approach 1:
The patent implements dynamic power distribution that adapts to real-time battery system states. The control unit continuously monitors voltage, current, and temperature of each cell, and dynamically adjusts power distribution ratios based on measured deviations from reference values. This dynamic approach allows the system to manage large numbers of cells effectively by responding to their actual states rather than using fixed distribution schemes.
Solution Approach 2:
The patent employs feedback mechanisms where the control unit measures actual voltage, current, and temperature of individual battery cells, compares these measurements against reference values, and uses the deviation information to adjust power distribution. This closed-loop feedback system enables effective management of large battery arrays by continuously correcting imbalances and preventing excessive strain on specific cells.
2Reliability
If existing battery management systems are used without modification, then device complexity is maintained, but battery life is reduced and failure risk increases under varying power conditions
Solution Approach 1:
The patent applies local quality by treating each battery cell individually with dedicated monitoring and control. Instead of uniform power distribution, the system measures and adjusts power allocation based on each cell's specific voltage, current, and temperature characteristics. This cell-level customization prevents any single cell from being excessively strained, thereby extending overall battery system life and reducing failure risk.
Solution Approach 2:
The patent changes operational parameters dynamically by adjusting power distribution ratios based on real-time measurements of voltage, current, and temperature. The control unit modifies charging and discharging rates for individual cells or groups of cells based on their measured states, preventing parameter extremes that would reduce battery life or increase failure risk.
3Productivity
If power distribution is not adjusted according to real-time conditions, then system operation is simple, but performance degradation occurs due to excessive strain on specific cells
Solution Approach 1:
The patent implements dynamic power distribution that continuously adapts to real-time battery system conditions. The control unit adjusts power distribution ratios based on measured voltage, current, and temperature deviations from reference values, enabling the system to optimize power storage efficiency under varying load conditions while preventing excessive strain on specific cells.
Solution Approach 2:
The patent establishes reference values for voltage, current, and temperature before operation begins. These pre-set reference values serve as benchmarks for subsequent real-time comparisons, allowing the control unit to quickly identify deviations and adjust power distribution accordingly. This preliminary setup simplifies real-time control by providing clear comparison targets.
Data Source
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AI summary
Disclosed is an apparatus for efficiently managing a battery system in a situation where a charge or discharge power varies with time. The apparatus for managing a battery system includes a power measuring unit configured to measure the magnitude of a charge power supplied to a battery system or a discharge power output from the battery system, a reference setting unit configured to variably set a power distribution reference according to the measured magnitude of power, and a power distributing unit configured to distribute and supply a charge power to battery units having different outputs and capacities according to the set power distribution reference or allow a discharge power to be distributed and output from battery units having different outputs and capacities according to the set power distribution reference.