How to Size a Transformer for Commercial and Industrial Buildings
Learn how to size transformers for commercial and industrial buildings using demand load, power factor, expansion allowance and motor starting current.
What You Need to Know About Oil-Immersed Transformers: A Complete Buyer’s Guide
Learn everything about oil-immersed transformers, including how they work, advantages, cooling methods, applications, maintenance, and key factors to consider before purchasing.
How Does a Transformer Work? A Practical Guide Every Power Equipment Buyer Should Read
Learn how a transformer works, including electromagnetic induction, transformer components, step-up vs step-down transformers, dry-type vs oil-immersed designs, and practical selection tips for industrial and renewable energy projects.
Electrical Transformer: How Does It Work? A Practical Guide for Power Project Buyers
Learn how an electrical transformer works, including electromagnetic induction, voltage ratios, losses, cooling methods, transformer types, and practical selection tips.
How to Select a 33–38.5kV Dry-Type Transformer for a Wind Power Project: 7 Critical Factors Beyond Capacity
Learn how to select a 33–38.5kV dry-type transformer for wind power projects. Compare capacity, voltage, impedance, vector group, harmonics, cooling, environmental protection, and testing requirements.
Dry-Type Transformer vs Oil-Immersed Transformer: 7 Key Differences Buyers Should Know
Compare dry-type and oil-immersed transformers by insulation, fire safety, installation, maintenance, cost, efficiency, and applications. Learn how to choose the right transformer for your project.
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.