Research on the Carbon Footprint Evaluation Method of Electric Power Equipment Production Based on the Life Cycle Analysis

This research direction focuses on evaluating the life cycle carbon footprint of high-voltage electrical infrastructure, specifically targeting a 110KV power transformer. Utilizing Life Cycle Assessment (LCA) methodology, the study establishes a comprehensive product system boundary and data scope across three critical phases: manufacturing, transportation, and operational use. By analyzing enterprise activity-level data, a detailed life cycle inventory is compiled to quantify greenhouse gas emissions. The evaluation reveals that while the manufacturing and transportation stages contribute minor fractions to the overall carbon footprint (approximately 0.025% and 0.007% respectively), the operational use stage represents the overwhelming majority of lifetime emissions, accounting for 99.968% of the total carbon equivalent output. This structural breakdown

highlights the critical need for energy efficiency improvements and low-loss design paradigms in high-voltage equipment to support the green transition of the electric power sector. The framework provides structured guidance for environmental engineers to model, assess, and mitigate the carbon intensity of grid-scale electrical components, offering a standardized methodology for carbon footprint accounting in power equipment manufacturing and deployment.

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