66kV High-Voltage Oil-Immersed Power Transformer: A Practical Buyer’s Guide
How to select a 66kV oil-immersed power transformer for substations, industrial plants, renewable energy projects, and regional power transmission.
330kV–500kV High-Voltage Oil-Immersed Power Transformer: A Buyer’s Guide
Learn how to select a 330kV–500kV high-voltage oil-immersed power transformer, compare voltage levels and cooling methods, review tests, and reduce EHV project risk.
Phase-Shifting Rectifier Transformer for Industrial DC Power Systems: A Buyer’s Guide
Industrial DC power systems do not place the same demands on a transformer as conventional building ...
Mining Flameproof Transformer for Underground Coal Mines: A Buyer’s Selection Guide
Learn how to select a mining flameproof transformer for underground coal mines, evaluate operating conditions, review equipment drawings, and reduce procurement risk.
What Is an Electric Furnace Transformer? A Complete Guide for Steel & Metallurgy
Explore DHDL’s 18,000 kVA electric furnace transformer with 175–305 V regulation, OFAF cooling and impact-load resistance for steel and metallurgical smelting.
Jining Zoucheng Heavy-duty Truck Charging Station Project
See how DHDL delivered two 20MVA transformers, 16 box substations and 64 liquid-cooled DC chargers for a solar-storage truck charging station in Jining.
Thailand Industrial Park Power Distribution Expansion Project
See how DHDL delivered an 8000kVA, 33kV oil-immersed transformer for an industrial park power expansion project in hot and humid eastern Thailand.
Ukraine Distribution Network Recovery and Industrial Power Reconstruction Project
Learn how single-phase pole-mounted transformers support overhead distribution, including their types, applications, sizing, protection and maintenance.
Ethiopia Amhara Rural Power Grid Upgrade Project
See how DHDL supplied 160 oil-immersed 15kV and 33kV distribution transformers totaling 58MVA for a rural grid upgrade across Ethiopia’s Amhara Region.