IMPLEMENTATION OF AN INDUSTRIAL CONTROL SYSTEM FOR THE GENERATION, COMPRESSION, AND STORAGE OF HYDROGEN FROM RENEWABLE SOURCES
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Authors
Lewis, Joshua D.
Subjects
hydrogen
hydrogen generation
hydrogen storage
hydrogen compression
EHC compressor
renewable energy
energy security
energy resiliency
PLC
industrial control
hydrogen generation
hydrogen storage
hydrogen compression
EHC compressor
renewable energy
energy security
energy resiliency
PLC
industrial control
Advisors
Gannon, Anthony J.
Smith, Walter
Date of Issue
2021-06
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
This thesis implemented a control system to integrate the generation and compression of hydrogen gas to enable its production from renewable sources at remote locations. To mimic renewable power commercial-off-the-shelf power supplies were used to power the system. For the control system, programmable logic controllers were used to monitor and operate the overall system’s various components. The harvesting of water from the atmosphere, via Peltier dehumidifiers, was found to be intermittent and is the limiting factor for hydrogen yield in the existing system. Hydrogen gas was generated by an electrolyzer at an average mass flow rate of 5.52e-7 kg/s. The membrane dehumidifier installed to dry the saturated hydrogen gas was found to be ineffective. An electrochemical hydrogen compressor was used to compress hydrogen gas to the steady state maximum outlet pressure of 7492 kPa at an average mass flow rate of 4.3773e-10 kg/s. This research demonstrated it is possible to autonomously produce compressed hydrogen gas from renewable sources. Additionally, improvements have been identified for implementation in future system designs.
Type
Thesis
Description
Series/Report No
Department
Mechanical and Aerospace Engineering (MAE)
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NPS Report Number
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Citation
Distribution Statement
Approved for public release. Distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.