Container-Based Mobile Solar-Wind Station for Off-Grid EV Charging
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Solution Overview
Problem
Current mobile solar-wind power stations are inadequate due to limitations in power generation capacity, inability to connect to the grid during solar radiation or wind power shortages, and complex, expensive structures that are not suitable for remote or high-wind areas, failing to efficiently charge electric vehicles and other consumers.
Innovation Solution
A mobile stand-alone photovoltaic-wind power plant based on a reinforced shipping container with screw-pile foundations, foldable photovoltaic modules, and telescopic wind turbines, equipped with rechargeable batteries, inverters, and a control module, allowing for off-grid or on-grid operation and simultaneous charging of multiple electric vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If mobile solar-wind power stations use complex structures to increase power generation capacity, then energy production capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The power station is divided into modular components: photovoltaic panels mounted on the container body, wind turbines mounted on the container roof, battery storage systems, and control units. Each module can be independently configured and replaced, allowing power capacity to be scaled without increasing overall structural complexity.
Solution Approach 2:
The container serves multiple functions simultaneously: it provides structural support, houses battery storage, mounts photovoltaic panels on its surfaces, supports wind turbines on its roof, and contains control systems. This multi-functionality increases power generation capacity while avoiding additional complex supporting structures.
2Adaptability or versatility
If mobile power stations are designed for remote areas with high wind conditions, then adaptability to remote locations is improved, but reliability decreases due to damage from high winds
Solution Approach 1:
The photovoltaic panels are mounted on adjustable supports that allow them to be tilted or repositioned to reduce wind load during high wind conditions. The wind turbines can be lowered or protected during extreme weather, allowing the system to adapt to remote high-wind locations without compromising reliability.
Solution Approach 2:
The container structure is reinforced with strengthened walls and roof to withstand high wind loads. Protective housings are installed around critical components before deployment to remote areas, and the system includes weather monitoring and automatic protection mechanisms that activate before extreme weather events to prevent damage.
3Power
If power stations are constructed on building sites, then power generation capacity is achieved, but manufacturing cost and installation time increase
Solution Approach 1:
All power generation components (photovoltaic panels, wind turbines, batteries, control systems) are pre-assembled and integrated into the container structure at the factory before deployment. This preliminary assembly reduces on-site construction time and costs while maintaining full power generation capacity, as the system arrives as a complete, ready-to-operate unit.
Solution Approach 2:
Traditional on-site construction methods are replaced with modular container-based assembly. The container serves as a pre-fabricated platform that eliminates the need for complex on-site structural work, foundation pouring, and component installation, significantly reducing manufacturing costs while delivering the same power generation capacity.
4Adaptability or versatility
If mobile power stations lack grid connection capability, then autonomy is maintained, but reliability decreases during solar radiation or wind power shortages
Solution Approach 1:
The system includes a hybrid configuration that can operate in multiple modes: standalone autonomous mode using only on-board photovoltaic and wind generation, grid-connected mode where excess power is exported or imported as needed, and hybrid mode where the grid serves as backup during generation shortages. The control system dynamically switches between modes based on weather conditions, battery charge state, and grid availability, maintaining both autonomy capability and supply reliability.
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 solution provides reliable, cost-effective, and efficient energy production, enabling 100% clean energy with reduced maintenance and transportation costs, capable of charging multiple electric vehicles daily, and adaptable for various energy consumption scenarios.
Implementation Method 1
mobile stand-alone photovoltaic-wind power plant
Implementation Method 2
mobile stand-alone photovoltaic-wind power plant
Data Source
AI summary
A Mobile Autonomous Solar-Wind Electrical Station (MASWES) comprises an offshore container (2), which equipped with a reinforced case (18); a reinforced grillage (19) provided by at least two beams laid along, and plurality beams laid across the container (2); at least two reinforced internal columns (42) arranged in opposite corners of the container (2) and between the grillage (19) and the middle part of the reinforced case (18); a plurality of light reflecting mats (21); a plurality of movable screw-piles (22), which in the transport position are stored in the plurality of cylindrical channels (38); at least two monolithic towers or telescopic masts (52) of powerful horizontal-axis wind turbines (23) providing at least 10 kW power each with blades and wind vanes taken off in the transport position. The reinforced internal columns (42) are the bases for the monolithic towers or the telescopic masts (52) and equipped with a hydraulic mechanism or an electric actuator (54) and an erection tool for installation of mentioned monolithic towers or telescopic masts (52). The container (2) comprises gondolas, which in the transport position are arranged horizontally in opposite ends of the container (2); a plurality of photovoltaic double-sided panels (24); a plurality of multifold frameworks for photovoltaic panel arrays (25) with at least 30 kW power total and at least one charging point (28) stored inside the container and at least one rechargeable battery (31).