Modular Water Electrolyzer Assembly for Faster Site Installation
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Solution Overview
Problem
Existing water electrolyzer systems for hydrogen production are costly and time-consuming to assemble and transport due to the complexity of individual components and the need for extensive on-site connections, which increases installation time and labor requirements.
Innovation Solution
A modular design for the water electrolyzer system comprising electrolysis, power electronics, and control units as integrated modules, connected via standardized plug and flange connections, allowing for automated manufacturing and simplified on-site assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of stationary object
If individual components are delivered and assembled on-site, then transport costs are reduced, but assembly time and labor requirements increase significantly
Solution Approach 1:
The system is divided into modular units (electrolysis modules, balance of plant modules, control modules) that can be independently manufactured and transported. Each module is pre-assembled in a factory setting with standardized connection interfaces, allowing for rapid on-site assembly without requiring complex field construction.
Solution Approach 2:
Components are pre-assembled into complete modules during manufacturing before delivery to the site. The modules are prepared with all necessary internal connections and standardized external interfaces, so that on-site assembly simply requires connecting the pre-configured modules rather than assembling individual components from scratch.
2Adaptability or versatility
If multiple separate components are transported and connected on-site, then delivery flexibility is improved, but the number of connection lines and assembly complexity increase
Solution Approach 1:
Multiple individual components are merged into integrated modules during manufacturing. For example, the electrolysis stack, power electronics, and control units are combined into a single electrolysis module with standardized connection interfaces. This reduces the number of separate connection lines needed on-site from many individual component connections to just a few module-to-module connections.
Solution Approach 2:
Standardized connection interfaces are designed with universal compatibility across different module types. The same connection protocol and interface standards are used for electrical connections, fluid connections, and control signals, simplifying the on-site assembly process and reducing the variety of specialized connection lines required.
3Ease of operation
If manual assembly of individual components is performed, then assembly flexibility is maintained, but labor requirements and installation costs increase
Solution Approach 1:
The system architecture segments the complex assembly task into modular units that are pre-manufactured with standardized interfaces. This segmentation allows for simplified on-site assembly where modules are connected using standardized mechanical and electrical interfaces rather than requiring complex manual assembly of individual components, thereby reducing labor requirements while maintaining installation flexibility.
Solution Approach 2:
The manufacturing process transitions from manual assembly to automated manufacturing for module production. This parameter change in the manufacturing domain enables consistent, high-quality assembly with reduced labor costs and improved precision, while the modular design maintains operational flexibility during installation through standardized connection protocols.
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
Reduces transportation and assembly costs and time by enabling efficient, scalable, and quick installation of hydrogen facilities, with reduced labor and material requirements.
Implementation Method 1
at least one electrolysis stack for converting water into hydrogen
Data Source
AI summary
The invention relates to a water electrolyzer system (1) for producing hydrogen. According to the invention, the water electrolyzer system (1) comprises an electrolysis stack (8) for converting water into hydrogen, a power electronics means (12) for transforming the alternating current into a direct current in order to supply the electrolysis stack (8), components (56, 64, 72, 80) for preparing the process media supplied to and discharged from the electrolysis stack (8), and a control unit (18) for controlling the electrolysis stack (8), as well as the power electronics means (12) and the components (56, 64, 72, 80) for preparing the media. At least the electrolysis stack (8), the power electronics means (12), and the control unit (18) are formed together as an electrolyzer module (36), and the components (56, 64, 72, 80) for preparing and conveying the media are formed together as a process module (52). The modules (36, 52) are provided with connection means (32, 40, 48, 84), via which the individual modules (36, 52) can be fluidically and electrically connected together.