How to Maintain an Electrical Transformer for Longer Service Life.
Learn essential transformer maintenance practices, including inspections, oil testing, temperature monitoring, cooling checks and preventive maintenance.
Common Causes of Transformer Failure and How to Prevent Them.
Transformer failure can lead to costly downtime, equipment damage, and unexpected power interruptions. Discover the common causes of transformer failure, including overheating, overloading, insulation deterioration, moisture, oil problems, electrical surges, and poor maintenance—and learn practical ways to prevent them and extend transformer service life.
The Importance of Transformer Efficiency in Power Distribution
Discover why transformer efficiency is essential in power distribution. Learn how high-efficiency transformers reduce energy losses, lower operating costs, improve grid reliability, extend equipment life, and support sustainable power systems.
What Is a Dry-Type Transformer and Where Is It Used?
A dry-type transformer is an oil-free electrical transformer designed for safe and reliable power distribution. Learn how it works, its key advantages, different types, and where it is commonly used in commercial buildings, factories, hospitals, data centers, schools, and renewable energy facilities.
Power Transformer vs Distribution Transformer: What Is the Difference?
Discover the key differences between power transformers and distribution transformers, including their applications, voltage levels, capacity, efficiency, cooling systems, and installation requirements. Learn how to choose the right transformer for your electrical system.
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.