Hybrid Data Center Power Architecture for Renewable Supply Gaps
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Solution Overview
Problem
Data centers face challenges in accommodating increased computing demands due to high electrical power consumption and environmental impact, necessitating sustainable power generation and efficient energy management.
Innovation Solution
A power system that integrates renewable energy sources, battery energy storage, and hydrogen production to ensure continuous energy supply, utilizing solar and wind power to charge batteries or produce hydrogen for backup when renewable energy is insufficient.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional electrical power systems are used to accommodate increased computing demands, then productivity and computing power are improved, but use of energy and environmental impact worsen
Solution Approach 1:
The power system is segmented into multiple independent energy sources (renewable energy source, battery energy storage system, hydrogen-based energy generator) that can operate independently or in combination. This segmentation allows the system to meet high computing power demands through coordinated operation of multiple sources while maintaining energy efficiency and reducing environmental impact through selective use of renewable energy.
2Object-affected harmful factors
If renewable energy sources are used to power data centers, then environmental impact is reduced, but reliability and continuous energy supply worsen due to intermittency
Solution Approach 1:
The battery energy storage system and hydrogen-based energy generator are prepared in advance to compensate for renewable energy intermittency. The battery system provides immediate backup when renewable energy is unavailable, while the hydrogen generator serves as a longer-term backup source, ensuring continuous reliable power supply to the data center while maintaining low carbon footprint through preferential use of renewable energy.
3Loss of energy
If battery energy storage systems are used to store excess renewable energy, then energy efficiency is improved, but device complexity increases
Solution Approach 1:
The battery energy storage system serves multiple functions: storing excess renewable energy when generation exceeds demand, providing immediate backup power when renewable energy is unavailable, and stabilizing the power system. This multi-functionality reduces the need for separate dedicated components for each function, thereby managing system complexity while improving energy storage efficiency and overall system 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
Enables continuous, renewable energy-powered operation of data centers with reduced environmental footprint, achieving high reliability and compliance with green certification standards.
Implementation Method 1
generate renewable energy using the renewable energy source
Implementation Method 2
charge the battery energy storage system with the renewable energy generated by the renewable energy source
Implementation Method 3
power the hydrogen production device with energy generated by the renewable energy source
Implementation Method 4
power the load with energy generated by the hydrogen-based energy generator
Data Source
AI summary
Systems and methods are described for powering a load, such as a data center, with renewable energy from a renewable energy source. When the renewable energy is greater than a demand of the load, excess renewable energy is used to power a hydrogen production device or charge a battery depending on whether or not the charge level of the battery satisfies an upper threshold charge level, respectively. When the renewable energy is less than the demand of the load and the charge level of the battery satisfies a lower threshold charge level, the load is powered with energy from the battery. When the renewable energy is less than the demand of the load and the charge level of the battery does not satisfy the lower threshold charge level, the load is powered and the battery is charged with energy generated by the hydrogen-based energy generator.