Modular Multi-Port Converter Clock Synchronization for Stable Power Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing modular multi-port systems face challenges in synchronizing power supply and demand nodes, leading to inefficiencies and potential damage due to mismatches in power supply and demand, especially with the integration of renewable energy sources like solar and wind, which lack stabilizing inertial effects.
Innovation Solution
A system and method for synchronizing power supply and demand nodes using a central transformer connected to multiple ports, with DC and AC bridges, and a master controller generating a clock signal to distributed controllers for precise timing adjustments, incorporating SiC BiDFET and dual active bridges to manage power flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular multi-port systems integrate renewable energy sources like solar and wind, then energy sustainability is improved, but system stability deteriorates due to lack of stabilizing inertial effects
Solution Approach 1:
The patent introduces a central transformer as an intermediary component that couples multiple ports together, enabling renewable energy sources to be integrated while maintaining system stability. The transformer acts as a mediator that coordinates power flow between different energy sources and loads, providing the stabilizing effect that renewable sources inherently lack.
Solution Approach 2:
The system employs a universal multi-port transformer that can handle multiple types of energy sources and loads simultaneously. This universal interface allows diverse renewable energy sources (solar, wind) to be integrated without compromising system stability, as the transformer provides a common coupling mechanism that manages the inertial deficiencies of these sources.
2Productivity
If power supply and demand nodes are not synchronized, then system simplicity is maintained, but power distribution efficiency deteriorates due to mismatches
Solution Approach 1:
The central transformer serves as a synchronization intermediary that naturally coordinates power flow between supply and demand nodes. By using the transformer's magnetic coupling as the synchronization mechanism, the system achieves efficient power distribution without requiring complex external synchronization devices or control systems.
Solution Approach 2:
The patent merges the power transformation function with the synchronization function into a single central transformer component. This combination eliminates the need for separate synchronization devices, achieving efficient power distribution while minimizing system complexity.
3Adaptability or versatility
If multiple power sources operate simultaneously without synchronization, then system flexibility is improved, but power quality deteriorates due to frequency and voltage mismatches
Solution Approach 1:
The central transformer acts as a quality-assuring intermediary that couples multiple power sources together. Through its magnetic coupling mechanism, the transformer naturally synchronizes frequency and voltage across all connected sources, ensuring high power quality while maintaining the flexibility to operate with multiple diverse power sources simultaneously.
4Productivity
If responsive power matching is implemented, then supply-demand synchronization is improved, but system response time deteriorates due to coordination delays
Solution Approach 1:
The central transformer provides a physical coupling mechanism that enables instantaneous power flow coordination between supply and demand nodes. This physical intermediary eliminates the need for complex digital communication and control loops, achieving responsive supply-demand matching with minimal time delay.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables responsive supply-demand matching, reduces inefficiencies and system instability, and enhances resilience by automatically isolating faulty ports, ensuring stable power distribution even with dynamic load changes.
Implementation Method 1
a transformer having a plurality of ports
Data Source
AI summary
A modular multiport converter system includes a plurality of distributed controllers, associated with different ports of the system that are able to synchronize to ensure that power drawn from the system is equal to power supplied to the system with precise timing. The distributed controllers are able to receive a clock signal from a leader controller, or from a vice leader controller in the event that leader controller is unable to function.