Portable Solar Micro Utility With Forecast-Based Load Allocation
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Solution Overview
Problem
Renewable micro utilities face challenges in meeting consumer demand due to the intermittent nature of renewable energy sources, lacking the capability for effective load management and reliability, especially in islanded systems without supplemental energy sources.
Innovation Solution
A portable micro utility system incorporating a container with energy storage and solar panels, featuring angled solar panels on wheels, and advanced circuitry that allocates electrical energy based on forecasted availability and load priorities, ensuring efficient energy distribution and management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If renewable energy sources are used for micro utility generation, then environmental sustainability is improved, but reliability deteriorates due to intermittent nature
Solution Approach 1:
The system dynamically adjusts energy allocation based on real-time renewable energy availability and load priorities. The controller continuously monitors generation levels and automatically redistributes power from high-priority to low-priority loads as renewable generation fluctuates, maintaining system reliability while using intermittent renewable sources.
Solution Approach 2:
The system performs preliminary forecasting of renewable energy generation and proactively allocates energy reserves to critical loads before generation shortfalls occur. By predicting weather patterns and generation levels in advance, the system prepares energy distribution strategies that ensure reliability during intermittent generation periods.
2Reliability
If energy storage systems are added to supplement renewable generation, then reliability is improved, but device complexity increases
Solution Approach 1:
The energy storage system performs multiple functions: storing excess renewable energy, providing backup power during generation shortfalls, and enabling load shifting to off-peak times. This multi-functionality justifies the added complexity by delivering several reliability benefits from a single integrated system.
Solution Approach 2:
The controller automatically manages energy storage charging and discharging based on real-time system conditions without external intervention. The system self-regulates by comparing generation levels, storage state, and load priorities to make autonomous decisions about energy flow, reducing operational complexity.
3Productivity
If load management capabilities are implemented, then ability to meet consumer demand is improved, but device complexity increases
Solution Approach 1:
The system applies different control strategies to different loads based on their priority levels. Critical loads receive guaranteed power supply with minimal control intervention, while non-critical loads undergo dynamic load management including curtailment and shifting. This differentiated approach optimizes demand fulfillment while minimizing unnecessary control complexity.
Solution Approach 2:
The load management system continuously monitors actual energy consumption against allocated amounts and adjusts distribution in real-time. Feedback from meters and sensors enables the controller to detect when loads approach their energy allocations and automatically implement load reduction or shifting to maintain system balance.
4Adaptability or versatility
If portable solar panel structures are used, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The solar panel system is divided into modular panels that can be independently assembled and configured. Each panel is a self-contained unit with standardized mounting interfaces, allowing flexible arrangement to achieve optimal angles and orientations without requiring high-precision custom fabrication of the entire array.
Solution Approach 2:
The solar panels are mounted on adjustable structures with wheels that enable dynamic repositioning and angle adjustment. This mechanical flexibility compensates for simpler manufacturing tolerances by allowing field adjustment to optimal positions rather than requiring precision manufacturing of fixed-angle mounts.
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
The system enables reliable energy provision to consumer loads by optimizing energy allocation and distribution, reducing the need for supplemental energy sources and enhancing the reliability of islanded renewable microgrids.
Implementation Method 1
portable solar panel structure having two or more solar panels coupled to each other
Implementation Method 2
portable container configured to house an energy storage system (ESS)
Data Source
AI summary
A micro utility system. The micro utility system may include a portable container configured to house an energy storage system (ESS) and solar panel storage structures; a portable solar panel structure having two or more solar panels coupled to each other at one end, wherein the two or more solar panels are coupled to at least two wheels at a distal end of the portable solar panel structure; and circuitry configured to receive electrical power from the portable solar panel structure, wherein the circuitry includes a processor configured by machine-readable instructions to direct electrical energy from the portable solar panel structure or the ESS to a load.