Power Switch Cabinet Control for Hot-Swappable Module Load Sharing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current power switch cabinets with power modules require manual adaptation and power down for operational changes, such as fault recovery or power demand adjustments, leading to inefficiencies and high costs.
Innovation Solution
A controller and communication mechanism based on a publish-subscribe mode automatically determines target enabled power modules and their output powers without powering down, using an information table to manage power module states and prioritize operations based on enabling policies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual adaptation and power down are used for operational changes, then system reliability is maintained through controlled transitions, but productivity decreases due to downtime and manual intervention
Solution Approach 1:
The system performs self-configuration and self-management when power modules are added or removed. The controller automatically detects changes, updates the information table, and redistributes power loads without requiring manual intervention or system shutdown, enabling the system to service itself during operational changes
Solution Approach 2:
The system dynamically adapts its configuration based on real-time conditions. The information table is continuously updated to reflect current power module states, and the controller dynamically recalculates and redistributes power loads to maintain optimal operation as modules are added or removed during runtime
2Device complexity
If manual adaptation is required for power module changes, then device complexity is reduced through straightforward control, but ease of operation deteriorates due to manual intervention requirements
Solution Approach 1:
The system implements continuous feedback through the information table that tracks the state of each power module. The controller receives feedback about module additions or removals, automatically processes this information, and adjusts the power distribution accordingly, eliminating the need for manual configuration while maintaining simple control logic
3Loss of information
If power down is required for operational changes, then loss of information is prevented through controlled shutdown, but loss of time increases due to shutdown and restart cycles
Solution Approach 1:
The system performs preliminary actions by maintaining an information table that is continuously updated with the latest power module configurations and states. This prepared state allows the controller to immediately process and respond to module changes without shutdown, as the necessary configuration information is already available in memory
Solution Approach 2:
The system maintains continuous operation by enabling hot-plugging of power modules. The controller continuously monitors the information table and maintains uninterrupted power distribution to active modules while seamlessly integrating new modules or redistributing loads when modules are removed, ensuring useful action continues without interruption
Data Source
AI summary
The present disclosure relates to a controller for controlling an operation of a power switch cabinet with a plurality of power modules, the controller communicating with the plurality of power modules in a publish-subscribe mode through a bus, the controller being configured to determine a power change triggering event; in response to the power change triggering event, determine one or more target enabled power modules to be enabled and respective target output powers of the one or more target enabled power modules based on a target total output power of the power switch cabinet and an information table associated with the plurality of power modules; and control the one or more target enabled power modules to be enabled at their respective target output powers. The present disclosure relates to a control method, a computer program product, a computer-readable storage medium and a power switch system.