
Daelim Transformer thrilled to share details of our project – the supply of 90 units of three-phase power transformers for a large-scale blockchain operation in Odessa, Texas. Each transformer is rated at 2500(3000)kVA with a primary voltage of 34.5kV Delta and a secondary voltage of 480GrdY/277. With strict UL certification requirements and a focus on high-quality accessories from reputable brands, this project demanded precision, efficiency, and reliability.



Daelim Transformer Solutions
1. Professional Communication
Daelim Transformer dedicated team of engineers, purchasing specialists, and sales professionals ensured seamless communication with the customer at every stage of the project. From initial design discussions to final production, we prioritized clarity and collaboration to meet IEEE standards and customer expectations.
2. Customer Engagement
Recognizing the importance of maintaining close contact with our customer, particularly in a dynamic industry like blockchain, we provided regular updates on order progress and shared production images to keep them informed and engaged throughout the process.
3. Expertise and Support
With a commitment to delivering tailored solutions, our team offered expert advice and assistance to address evolving customer requirements. Patiently navigating changes and challenges, we provided high-quality service and built trust with our customer, fostering a mutually beneficial partnership.
Learn more about Daelim Transformer Projects
Transformer Features
IEEE-Compliant Accessories: All accessories accompanying the transformer adhere to the standards set by the Institute of Electrical and Electronics Engineers (IEEE), ensuring compatibility and reliability.- UL Listing: The transformer and its components have received certification from Underwriters Laboratories (UL), signifying compliance with rigorous safety and quality standards.
- Pressure Relief Device: At the top of the transformer’s oil tank, there is a disc-type pressure relief device, designed to rapidly release internal pressure within the transformer.
- HV Full Height Air Terminal Chamber
- Throat for LV Terminal: Incorporating a throat for low-voltage (LV) terminal connection, the transformer ensures secure and convenient wiring arrangements.
- Lightning Arrester: To safeguard against voltage spikes caused by lightning strikes, the transformer features a lightning arrester, providing surge protection for connected equipment.
- CT Box: A CT (Current Transformer) box is included for accurate measurement and monitoring of current flow within the transformer system.
- Fans: Utilizing fans for cooling, the transformer employs forced-air cooling methods (KNAN/KNAF) to dissipate heat and maintain optimal operating temperatures.
- Vegetable Oil: Filled with biodegradable vegetable oil as the insulating medium, the transformer promotes environmental sustainability while ensuring efficient insulation and cooling.
- Color: Finished in ANSI Grey 70, the transformer’s color scheme ensures compatibility with industry standards and enhances aesthetic appeal.
- Cooling Method: The transformer employs the KNAN/KNAF cooling method, allowing for efficient heat dissipation and temperature regulation in diverse operating conditions.
Transformer Testing

Each transformer, designed and produced according to IEEE C57 standards, underwent rigorous testing to ensure optimal performance and reliability. From ratio and polarity tests to insulation power factor measurements, we conducted comprehensive testing, including special tests under UL inspection, to validate compliance and quality.
Learn more about Transformer Testing
Certification and Shipping
The small substation transformers and accessories met all IEEE standards and UL certification requirements, reinforced by detailed test reports issued upon completion. To ensure safe and secure transportation, we utilized sturdy wooden packaging for the 90 substation transformers, prioritizing stability and customer satisfaction.
Installation and Operation
With successful installation and commissioning, the Daelim transformers have been seamlessly integrated into the asic miner operation, delivering reliable power distribution infrastructure to support uninterrupted mining activities.
You may enjoy: Step-by-Step Guideline On Installing A Transformer
Conclusion
At Daelim Transformer, we’re committed to providing innovative solutions that meet the unique needs of yours. Through effective communication, expertise, and a dedication to quality, we’re proud to have contributed to the success of this transformative project in Odessa, Texas.
Reading more about Daelim Transformer Projects
Daelim Transformer specializes in manufacturing a wide range of medium and high-voltage transformers, including Pad Mounted Transformers, Small Substation Transformers, Dcodesign Transformers, HV Power Transformers, Pole Mounted Transformers, and Dry-type Transformers. With our team’s extensive international project experience and proficiency in various international standards, we ensure top-quality products tailored to meet diverse needs.
Looking for reliable transformer solutions? Contact us today to discuss your requirements and explore how Daelim Transformer can meet your needs with precision and expertise.