研究目的
To provide objective supply chain analysis to inform research and investment decisions of SiC technologies, focusing on manufacturing cost drivers, regional costs, and plant location decisions for wide bandgap semiconductors in medium voltage motor drives.
研究成果
The study provides a foundational cost model for SiC technologies, highlighting regional manufacturing cost structures and supply chain considerations. It emphasizes the need for analytical approaches to guide research and investment in wide bandgap semiconductors, similar to methods used in the photovoltaic industry, and suggests that the models can quantify cost reduction potentials for future advancements.
研究不足
The models are based on aggregate values from interviews and may not be fully accurate due to reliance on proprietary or business-sensitive information. Data availability is limited, especially for power modules and VFDs, and the analysis reflects the state of the industry in 2015-2016, which may not capture recent developments.
1：Experimental Design and Method Selection:
The study employs a bottoms-up cost modeling approach to analyze manufacturing costs, including materials, labor, utilities, facilities, equipment, and maintenance. It involves supply chain analysis and scenario analysis to quantify cost impacts of research propositions.
2：Sample Selection and Data Sources:
Data are collected from industry members, material suppliers, equipment manufacturers, and market reports via interviews, requests for quotes, and literature reviews. The analysis covers SiC wafers, devices, power modules, and medium voltage variable frequency drives.
3：List of Experimental Equipment and Materials:
Not specified in the paper; the focus is on cost modeling rather than physical experiments.
4：Experimental Procedures and Operational Workflow:
The process includes creating cost models for wafer manufacturing, device manufacturing, module assembly, and VFD assembly, using aggregated and anonymized data to protect proprietary information.
5：Data Analysis Methods:
The models calculate the minimum sustainable price (MSP) for products, with costs broken down by country. Analysis involves comparing regional costs and evaluating scenarios for cost reduction.
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