Home Solution Power grid

CORE PAIN POINTS

Targeted Solutions to Address Challenges Such as Limited Land Availability, Long Construction Cycles, Inefficient Operations and Maintenance, Unstable Power Supply, and Grid Integration Difficulties

SOLUTION CONFIGURATION

Wind Power
Renewable Solutions
Transformer Series
T&D Equipment
T&D Equipment
  • Centralized Wind Farm
  • Distributed Wind Farm
  • Centralized Wind Farm
  • Distributed Wind Farm
  • Centralized Wind Farm
  • Distributed Wind Farm
  • Centralized Wind Farm
  • Distributed Wind Farm
  • Centralized Wind Farm
  • Distributed Wind Farm

TECHNICAL HIGHLIGHTS

Design Process Optimization
From electromagnetic design input to component engineering drawing delivery, the entire process undergoes rigorous scientific verification to ensure solution reliability and improve drawing quality.
Advanced Electromagnetic Calculation
From electromagnetic design input to component engineering drawing delivery, the entire process undergoes rigorous scientific verification to ensure solution reliability and improve drawing quality.
3D Structural Design
From electromagnetic design input to component engineering drawing delivery, the entire process undergoes rigorous scientific verification to ensure solution reliability and improve drawing quality.
Multi‑Physics Simulation
From electromagnetic design input to component engineering drawing delivery, the entire process undergoes rigorous scientific verification to ensure solution reliability and improve drawing quality.
SOLUTION ADVANTAGES
DOHO is committed to providing outstanding power transformer services for your enterprise. To meet your specific step-down requirements, we offer custom transformer engineering services.
While we stock a wide range of new medium-voltage dry-type and oil-immersed transformers in standard power ratings and voltage classes, some customers have specifications and needs that cannot be met from our existing inventory. Through our customization services, we can design transformers to fulfill their unique requirements.
CLIENT CASES
Donghe Electric has successfully delivered multiple large-scale commercial energy storage projects
Covering key energy regions across China including Inner Mongolia, Yunnan, Xinjiang, Jilin, Shanghai, Jiangsu, Guangdong, Hebei, Qinghai, and Zhejiang.
These projects span a variety of application scenarios such as commercial and industrial behind-the-meter storage, renewable energy integration, thermal-storage combined frequency regulation, and peak shaving/valley filling. The cumulative installed capacity exceeds 600 MW/2,500 MWh, demonstrating the company’s comprehensive capabilities in energy storage system integration, equipment supply, and project delivery.
CLIENT CASES
Donghe Electric has successfully delivered multiple large-scale commercial energy storage projects
Covering key energy regions across China including Inner Mongolia, Yunnan, Xinjiang, Jilin, Shanghai, Jiangsu, Guangdong, Hebei, Qinghai, and Zhejiang.
These projects span a variety of application scenarios such as commercial and industrial behind-the-meter storage, renewable energy integration, thermal-storage combined frequency regulation, and peak shaving/valley filling. The cumulative installed capacity exceeds 600 MW/2,500 MWh, demonstrating the company’s comprehensive capabilities in energy storage system integration, equipment supply, and project delivery.
<
>

CUSTOMER REVIEWS

"Thank you, DOHO Electric, for your exceptional emergency transformer replacement service. Your team's meticulous attention to detail, rapid response, and seamless coordination turned a critical situation into a manageable one. The custom retrofit solution fit our existing enclosure perfectly with zero downtime. Having worked with many suppliers over the years, this was by far the smoothest project we’ve experienced. DOHO is now our preferred partner for all power equipment needs."
Mark
Medical Center Administrator
"Last weekend, we successfully energized the DOHO dry-type transformer without any issues. The unit matched the space perfectly, bus connections aligned exactly as specified, and the finish quality was outstanding. Our client was particularly impressed with your prompt response and ready-to-ship inventory. It’s refreshing to collaborate with a company that genuinely prioritizes quality and customer satisfaction. I won’t hesitate to recommend DOHO to others in the industry."
Mark
High Voltage Electrical Contractor
"From initial inquiry to installation, DOHO delivered within just three days—an impressive accomplishment when other suppliers claimed nationwide shortages. The transformer was installed smoothly, fitting precisely as designed, and was operational by midday. Your proactive communication and technical expertise were key to our success. Thank you for transforming a potential crisis into a seamless upgrade."
Mark
Industrial Facility Director

FREQUENTLY ASKED QUESTIONS

What types of transformers do you mainly produce?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
Can you customize non-standard transformers?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
What is the typical delivery time?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
What certifications do your products have?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
Do you provide technical support and installation guidance?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
What is the warranty period, and how is after-sales service handled?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
Do you support overseas projects?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.
How can I get a quote?
We specialize in manufacturing low and medium voltage dry-type transformers, oil-immersed transformers, and special custom transformers, serving various fields such as power systems, industry, new energy, and rail transportation.

WELCOME TO INQUIRE!

We are ready to provide you with professional transformer solutions and services.
Contact Us

Contact Us

*We respect your privacy. When you submit your contact information, we agree to only contact you in accordance with our Privacy Policy.

×