Polar Wind-Hydrogen Microgrid With Cryogenic Battery Buffering
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Solution Overview
Problem
The challenge of designing a clean energy system for polar regions like Antarctica, which faces harsh environmental conditions, is significant due to the lack of systematic development and application of clean energy technologies, leading to fuel dependency and pollution issues.
Innovation Solution
An off-grid wind-hydrogen energy supply system comprising a wind power generation system, cryogenic battery energy storage system, hydrogen fuel cell system, and intelligent monitoring system, connected through a direct-current bus, to stabilize and efficiently output electric energy in extreme conditions, utilizing renewable sources and reducing fuel consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If wind power generation system is used in polar regions, then renewable energy utilization is improved, but wind power fluctuation occurs causing instability
Solution Approach 1:
The patent combines wind power generation, hydrogen fuel cell power generation, and cryogenic battery energy storage into a hybrid power supply system. The wind power generation system and hydrogen fuel cell system are merged to complement each other, with the cryogenic battery serving as a buffer to smooth fluctuations, thereby improving overall power supply stability while maintaining high renewable energy utilization.
Solution Approach 2:
The cryogenic battery energy storage system acts as an intermediary between the wind power generation and hydrogen fuel cell systems. It absorbs excess energy when wind power is high and releases energy when wind power is low, mediating the fluctuation and ensuring stable power output to the load.
2Reliability
If hydrogen fuel cell system is added to the energy supply system, then energy stability is improved, but system complexity increases
Solution Approach 1:
The hydrogen fuel cell system serves multiple functions: it generates electricity to supplement wind power during low wind conditions, produces hydrogen through electrolysis when excess wind power is available, and can directly power loads. This multi-functionality allows a single system component to address multiple energy supply challenges, improving stability without proportionally increasing complexity.
3Reliability
If cryogenic battery energy storage system is used, then wind power fluctuation is mitigated, but system adaptability to extreme cold conditions is challenged
Solution Approach 1:
The patent employs cryogenic batteries specifically designed to operate at extremely low temperatures, changing the operational temperature parameters of the energy storage system to match the polar environment. The battery chemistry and thermal management parameters are optimized for cryogenic conditions, enabling effective fluctuation mitigation despite the extreme cold.
4Loss of substance
If off-grid wind-hydrogen system is implemented, then fuel consumption is reduced, but system reliability under harsh conditions deteriorates
Solution Approach 1:
The system is designed to be self-sufficient in the polar environment with no external fuel supply needed. The wind power generation provides primary energy, the cryogenic battery stores excess energy locally, and the hydrogen fuel cell system produces its own fuel through electrolysis of water using surplus wind power. This self-service capability reduces fuel consumption while maintaining reliability through internal energy cycling and multiple generation pathways.
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 effectively utilizes rich polar wind power resources, migrates wind power fluctuations, and enhances energy stability and efficiency, reducing fuel consumption and emissions in Antarctic expeditions.
Implementation Method 1
the wind power generation system is configured to: convert wind energy into electric energy
Implementation Method 2
the hydrogen fuel cell system is configured to: chemically convert hydrogen and oxygen into electric energy
Data Source
AI summary
Provided are an off-grid wind-hydrogen energy supply system for polar regions and a control method thereof, and relate to the field of new energy supply. In the system, wind energy is converted by a wind power generation system into electric energy, and a cryogenic battery energy storage system is charged. Chemical energy of hydrogen and oxygen is converted by a hydrogen fuel cell system into electric energy, and the cryogenic battery energy storage system is charged. Energy is stored by the cryogenic battery energy storage system, a wind power fluctuation is mitigated, and a load is smoothened. Operation parameters of the wind power generation system, the cryogenic battery energy storage system, and the hydrogen fuel cell system are obtained by an intelligent monitoring system.