Power Transformers
33kV – 550kV,
Oil-immersed power transformers manufactured for data centers and other key projects, designed to meet IEEE, ANSI, and NEMA standards.
Production lead time: 3 months (33–220kV) · 3.5 months (550kV)
California-Registered · U.S.-Local Company
Power transformers for America's data centers and automated factories.
Sino Power Dynamics Inc. is a California-registered, U.S.-local company that helps U.S. companies and users source quality transformer products for data centers, lights-out factories, and other key projects.
- 6–550kVVoltage range
- Up to 1000MVACapacity
- 3–6 moTypical delivery lead time
- 3Manufacturing bases
Experience, Capability, and Delivery
Experience
Our team includes electrical engineers with experience in the U.S. power industry. They provide customized design solutions for customers and help our manufacturing partners in China understand U.S. requirements, so products meet IEEE, ANSI, and NEMA standards. We also provide U.S.-based service, and our China operations bring over 30 years of experience in the U.S. market.
Capability
Sino Power Dynamics works with three production bases in China, each manufacturing a different class of electrical product: Sanbian Technology (20kV to 550kV), Changzhou Pacific (20kV to 345kV transformers and switchgear), and Shuangxin (6kV to 145kV distribution transformers).
Delivery
Production capacity has increased significantly, improving delivery times: about 3.5 months for 550kV units, 3 months for 33kV to 345kV units, and 1 month for distribution transformers. In 2024, capacity was expanded with a new factory at Shuangxin, along with larger reserves of core materials such as silicon steel.
Product lines
Sino Power Dynamics offers two main product lines. Switchgear is also available through our manufacturing network.
Distribution Transformers
6kV – 33kV
Oil immersed and Dry-type, cast-resin distribution transformers, manufactured at our Distribution Transformer (DT) production base.
Production lead time: as fast as 1 month
Switchgear (35kV–220kV) is also available through our manufacturing network. Contact us for details.
Manufacturing network
Sino Power Dynamics works with three manufacturers based in China, each specialized in different voltage classes.
20–550kV
Sanbian Technology
Manufactures power transformers from 20kV up to 550kV, up to 1000 MVA capacity.
20–345kV
Changzhou Pacific
Manufactures transformers from 20kV to 345kV with 5MVA - 250MVA capacities, along with switchgears.
6–145kV
Shuangxin
Manufactures distribution transformers from 6kV to 145kV with 5kVA - 100MVA capacities.
Facility
Automatic Transformer Core Stacking
Robot Welding System
Transformer Copper Foil Cutting
Transformer Core Cutting
Quality & testing
Our manufacturing network operates high-voltage impulse and dielectric test facilities, supporting transformers manufactured to meet IEEE, ANSI, and NEMA standards.
Project references
Two landmark projects delivered through our manufacturing network demonstrate proven capability on the most demanding utility and hyperscale data center programs in North America.
Memphis Supercomputer Center (Project Colossus)
50MVA · 161kV
We delivered and energized the 50MVA 161kV substation transformers for Memphis campus. The program demanded a fast-track manufacturing and logistics schedule. Lead time was compressed significantly while maintaining full field testing and rapid grid for the world's largest AI cluster.
Los Angeles Department of Water and Power (LADWP)
ANSI/IEEE · IEEE 693 High-Seismic
Our partner successfully designed and manufactured EHV transformers that passed LADWP's highly stringent technical audits. The equipment fully complies with ANSI/IEEE standards and fulfills the extreme IEEE 693 High-Seismic qualification, proving its mechanical and structural reslience under the most severe utility operating environments in California.
Contact Us
Share your transformer requirements below and our engineering team will follow up with a tailored quotation. Fields marked with an asterisk are required; everything else helps us respond faster.
Email: spd@sinopowerdynamics.com
Phone: +1 (805) 558-9841