Battery Discharge Routing for Fast, Grid-Compliant Energy Transfer
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Solution Overview
Problem
Existing battery packs are drained inefficiently through normal device operation, leading to prolonged discharge times and potential damage due to lack of controlled energy transfer.
Innovation Solution
A battery discharge system (BDS) that determines excess energy availability and selects appropriate receiver systems for rapid discharge, considering operating conditions and compliance with grid codes, enabling controlled and efficient energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If battery packs are drained through normal device operation, then energy is transferred to the device, but the discharge process is inefficient and takes prolonged time
Solution Approach 1:
The patent introduces a battery discharge system (BDS) as an intermediary component between the battery pack and the device. The BDS includes a controller that actively manages the discharge process, enabling controlled and efficient energy transfer. This intermediary system resolves the contradiction by providing a dedicated discharge pathway that is faster than normal device operation while still transferring energy to the device when needed.
Solution Approach 2:
The battery discharge system enables the battery pack to serve itself by providing a self-contained discharge mechanism. The controller within the BDS can autonomously manage the discharge process, determining when and how to transfer energy without relying solely on normal device operation. This self-service capability allows for rapid discharge when required, resolving the time loss issue.
2Productivity
If battery packs are drained through normal device operation, then energy is transferred to the device, but the uncontrolled discharge may cause damage
Solution Approach 1:
The battery discharge system incorporates a controller that monitors the discharge process and provides feedback control. The controller assesses the state of the battery pack and the energy requirements of the device, adjusting the discharge rate accordingly. This feedback mechanism ensures efficient energy transfer while preventing damage by maintaining discharge parameters within safe limits.
Solution Approach 2:
The discharge system is designed to be dynamic, with the controller able to adjust discharge parameters in real-time based on changing conditions. This dynamic control allows the system to optimize energy transfer efficiency while simultaneously protecting the battery from damage by adapting to varying load requirements and battery states.
3Productivity
If a battery discharge system is implemented to enable rapid discharge, then discharge speed improves, but system complexity increases
Solution Approach 1:
The battery discharge system is designed with multi-functionality to reduce overall complexity. The controller serves multiple purposes: managing rapid discharge, controlling normal device operation, monitoring battery state, and preventing damage. By consolidating these functions into a single integrated system, the patent achieves rapid discharge capability without proportionally increasing system complexity.
4Adaptability or versatility
If the battery discharge system monitors grid emergency conditions, then energy can be transferred to the grid during emergencies, but the system requires additional monitoring capabilities
Solution Approach 1:
The controller in the battery discharge system is designed with universal functionality that encompasses both device discharge management and grid emergency monitoring. The same monitoring capabilities used for managing battery state and discharge parameters are also employed to detect grid emergency conditions. This multi-functional approach enables versatile energy transfer options without requiring separate dedicated monitoring systems.
Data Source
AI summary
Various systems and methods are presented regarding discharging electrical energy from a battery pack, wherein the electrical energy can be discharged, via a battery discharge system, to a receiver system such as a microgrid, an electrical grid, a vehicle, or other suitable system configured to receive/store electrical energy. The battery pack can be discharged to facilitate testing of the battery pack. Discharge of the battery pack can be to a single receiver system or shared across two or more receiver systems. Discharging can be based on available receiver systems, time of day, payment/compensation for the electrical energy, and suchlike. Discharging can also be selected based on a user-preference (e.g., prior choice(s) for previous discharging operation). Discharging can be prioritized, e.g., the electrical grid is undergoing a grid emergency and the discharged electrical energy is directed to the electrical grid to assist the electrical grid in recovering from the grid emergency.