IEC / IEEE / ANSI / CSA Compliant Solutions
Data Center Power Transformer Manufacturer
Custom Power Distribution Infrastructure Up to 500kV
For Global AI Data Centers & Hyperscale Facilities

Yawei Transformer engineers and delivers comprehensive, end-to-end data center transformer system solutions for hyperscale global digital infrastructure. We provide full-set integrated power distribution—from utility-grade medium voltage inputs to critical server rack power architectures—ensuring total system redundancy and seamless commissioning for AI-ready facilities.
Global Compliance: Fully compliant with IEEE C57, ANSI, CSA, and IEC standards for mission-critical reliability.
Turnkey Integration: Pre-engineered data center power distribution units combining transformers, MV switchgears, and protection systems to minimize site integration costs.
High-Density Performance: Optimized for high-inrush currents and harmonic mitigation required by AI server clusters and high-density computing loads.
Infrastructure Ready: Advanced custom substation transformers for 24/7 uptime, BESS integration, and resilient microgrid support.
We support data center EPC contractors and electrical engineers with stable lead times and 100% in-house testing. From factory to server room, we ensure unmatched power stability and project success.
As a premier global infrastructure manufacturer, Yawei Transformer specializes in UL, cUL, CSA, and CE certified power equipment engineered for international data center power grids.
Our advanced manufacturing matrix covers the entire spectrum of modern data center power requirements:
Pad-Mounted Transformers & Compartmentalized Substation Units for facility perimeter power.
Substation Power Transformers (Customized up to 500kV) for main grid interconnection.
Dry-Type Distribution Transformers & Indoor High-Density Power Systems for clean, fire-resistant data hall solutions.
Deployed globally across hyperscale data centers, cloud computing hubs, and critical IT infrastructure, our systems are backed by state-of-the-art testing laboratories and precision manufacturing. We guarantee exceptional energy efficiency, minimized harmonic distortion, and stable operation in the world’s most demanding digital environments.



In the age of AI, data center power demands are unprecedented. Yawei Transformer provides mission-critical power solutions designed to address the specific electrical challenges of modern hyperscale facilities:
Handling High-Inrush Currents: Our substation transformers and pad-mounted units are built with advanced core structures to effectively mitigate high-inrush currents inherent in AI server clusters and cooling system startups.
Harmonic Distortion Mitigation (THD): Engineered to handle non-linear loads typical of modern data halls, our units ensure clean power delivery to critical IT infrastructure, protecting hardware from electrical noise.
99.999% Reliability & Redundancy: With robust N+1 and 2N redundancy support, our power systems are engineered to minimize downtime risk—a mission-critical requirement for Tier III and Tier IV data centers.
Advanced Insulation & Energy Efficiency: Utilizing premium high-permeability materials, we help data centers achieve significantly lower PUE (Power Usage Effectiveness) and meet aggressive carbon footprint targets.
Tailored Transformer Technologies:
Dry-Type Transformers: Our dry-type cast resin transformers are fire-resistant and require minimal maintenance, making them ideal for indoor, high-density data hall deployments.
Pad-Mounted Transformers: Optimized for facility-wide power distribution, our pad-mounted units provide reliable, weather-resistant, and tamper-proof medium-voltage stepping.
30+ Year Lifecycle: Designed for longevity, our high-voltage units provide long-term operational stability, ensuring maximum asset value for your data center’s critical power backbone.
Beyond individual product units, Yawei Transformer serves as your all-in-one manufacturing partner for comprehensive data center electrical systems. Our advanced manufacturing matrix covers the entire spectrum of high-voltage and medium-voltage requirements:
Integrated Turnkey Capabilities: We provide end-to-end electrical solutions—from utility-grade medium voltage inputs to critical server rack power architectures—ensuring seamless system integration for AI-ready facilities.
International Compliance & Certification: All solutions are built in strict accordance with ANSI/IEEE C57, UL/cUL, CSA C22.2, and IEC 60076 standards, ensuring seamless project permitting and utility grid interconnection in North America and globally.
EPC & Grid Engineer Support: We understand the unique “time-to-market” pressure of data center construction. We offer stable lead times, rapid technical submittals, and dedicated engineering support to help EPC contractors, developers, and consulting firms meet demanding project timelines.
Zero-Defect Quality Assurance: With state-of-the-art testing laboratories and multi-stage quality control, we ensure every unit—whether a heavy-duty substation power transformer or an indoor dry-type unit—is “zero-defect” before leaving the factory.
Strategic Project Execution: Whether you are designing a new hyperscale AI data center, performing grid disaster recovery, or upgrading existing infrastructure, Yawei Transformer provides the resilient, precision-engineered power backbone required to fuel the future of digital computing.
A 345kV 250MVA fully insulated power transformer supplied for a hyperscale AI data center requiring high-capacity, utility-grade power infrastructure. The transformer serves as the primary grid connection asset, ensuring reliable energy delivery, voltage stability, and continuous operation for large-scale AI computing workloads.
Engineered for mission-critical environments, the solution incorporates advanced insulation systems, optimized cooling performance, and low-loss design to support long-term operational efficiency and future capacity expansion.
345kV | 250MVA | AI Data Center | Grid Interconnection

A: We provide full-set, mission-critical power infrastructure ranging from 500kV substation main transformers to pad-mounted and indoor dry-type distribution units, specifically designed to support high-density AI computing and hyperscale data center requirements.
A: All Yawei units are engineered in strict accordance with North American ANSI/IEEE C57, UL/cUL, and CSA C22.2 standards, as well as international IEC 60076 standards, ensuring seamless grid interconnection and project permitting.
A: Our manufacturing campus is equipped for large-scale production with voltage classes up to 500kV and capacities reaching hundreds of MVA, providing the necessary high-capacity backbone for large-scale data center campus developments.
A: Our pad-mounted transformers are built with tamper-resistant, weather-proof enclosures for outdoor reliability, ensuring efficient medium-voltage stepping while maintaining the high safety standards required for hyperscale facility perimeters.
A: Our dry-type cast resin transformers are fire-resistant, require minimal maintenance, and provide low-noise operation, making them the optimal choice for indoor data halls where safety, space efficiency, and power quality are critical.
A: Yes. We utilize advanced core structures and low-loss winding designs specifically engineered to mitigate the high-inrush currents and harmonic distortion (THD) generated by AI server clusters and liquid cooling systems, protecting your IT hardware.
A: We offer flexible and modular transformer configurations that facilitate N+1 or 2N redundancy, ensuring continuous, 99.999% uptime and preventing single points of failure in mission-critical data center power architectures.
A: Every transformer can be equipped with advanced digital monitoring, including Winding Temperature Indicators (WTI), Buchholz relays, and SCADA-ready sensors, allowing for real-time remote energy analytics and preventive maintenance alerts.
A: By utilizing high-permeability silicon steel cores and premium insulation materials, we minimize core and copper losses, helping hyperscale operators achieve stricter PUE (Power Usage Effectiveness) targets and optimize operational energy costs.
A: Every unit undergoes rigorous in-house FAT (Factory Acceptance Testing) in our state-of-the-art labs, including impulse tests, partial discharge measurements, and load loss verification, ensuring zero-defect delivery for critical data infrastructure.
We provide rapid technical response and deep engineering support for hyperscale data center and critical AI infrastructure projects worldwide. Reach out anytime for full-set system quotations, specialized technical consultation, and custom power integration solutions.