Self-Synchronizing Modular Microgrids for Scalable Power Supply

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Solution Overview

Problem

Traditional grid-level power systems are expensive due to their cost structure, which becomes problematic when applied to small-scale microgrids, leading to high economic costs per user.

Innovation Solution

Modular microgrid systems formed with self-synchronizing core modules that can be hot-swapped and scaled, allowing for flexible energy production and distribution without the need for costly synchronization processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional grid-level power systems are applied to small-scale microgrids, then the system can provide stable power generation and distribution, but the economic cost per user becomes excessively high

Engineering Contradiction:
Improvepower generation stabilityVSAvoideconomic cost per user
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent divides the traditional monolithic grid system into modular microgrid units, each capable of independent operation. These modules can be scaled and configured according to specific needs, reducing the economic burden on individual users while maintaining system reliability through distributed generation and the ability to operate independently or in coordination with the broader grid.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If core modules are added or removed from the microgrid system, then the system can be scaled to match connected load, but synchronization complexity increases

Engineering Contradiction:
Improvesystem scalabilityVSAvoidsynchronization complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements self-synchronizing capability in each core module, allowing modules to automatically synchronize with the grid or other modules without requiring complex external synchronization control systems. This reduces the overall system complexity while enabling flexible scaling and hot-swapping of modules to match connected load requirements.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20240405569A1Modular microgrid systems and methods
Publication Date: 2024.12.05 RENEW POWER SYSTEMS INC
  • US20240405569A1 patent drawing
  • US20240405569A1 patent drawing
  • US20240405569A1 patent drawing

AI summary

The present disclosure is directed to modular microgrids and more particularly to core modules that comprise self-synchronizing devices that can connect and self-synchronizes voltage, frequency and phase with other power sources. The disclosed embodiments enable a modular power system to serve as the primary or secondary source of power for applications requiring loads from a few kilowatts (KW) to the scale of megawatts (MW). The modular system is generalized to use either a single or multiple power generation sources at once, with the ability to connect and self-synchronize voltage, frequency, and phase of a variety of different types of power sources. Power control systems designed to function with self-synchronizing technology enable a modular power system to satisfy a wide variety of needs and enable new features of resiliency and expandability.