Guotou Securities·2025-12-28 08:31Investment Rating - The industry investment rating is "Outperform the Market - A" [1] Core Insights - The artificial intelligence (AI) industrialization wave is approaching, leading to a rapid increase in demand for Artificial Intelligence Data Centers (AIDC) [4][11] - Power distribution equipment is a crucial component of AIDC and is expected to benefit significantly from the high demand in AIDC [36] - Major companies involved in the AIDC sector are highlighted, indicating potential investment opportunities [3] Summary by Sections Section 1: AI Industrialization and AIDC Demand Growth - AI is at a critical turning point for commercial deployment, driving a rapid increase in demand for intelligent computing power [4][11] - AIDC serves as the physical carrier for intelligent computing power, benefiting from the AI industrialization wave [12] - AIDC is evolving towards high energy consumption and high density, necessitating continuous upgrades in power distribution equipment [30][35] Section 2: Power Distribution Equipment in AIDC - Power distribution equipment is a vital part of AIDC, accounting for approximately 13% of initial investment costs [42] - AIDC's power supply architecture typically employs redundancy designs to ensure high reliability [43][44] - Diesel generator sets are the most common backup power solution for AIDC [56][60] - The transition from UPS to high-voltage direct current (HVDC) systems is anticipated, with HVDC becoming the mainstream architecture in the future [68][86] - The market for server power supplies is projected to exceed 100 billion, with supercapacitors and battery backup units (BBU) being key growth areas [113]