Category Blog

Dry Type Transformer vs Oil Filled Transformer: 2026 Selection Guide
When Riverside Medical Center opened the new wing in March 2024, the engineering staff specified an oil-filled transformer to meet the lowest capital cost. But within the next 18 months, they spent an additional $340,000 on a vault, oil containment…

Step Up Transformer vs Step Down Transformer: An Industrial Guide to Voltage Transformation
In 2023, the installation of a new motor control system at Craigsle, Jiangsu, ended up in a VFD failure in the first month. The suspect was neither a faulty drive nor a poor motor. The culprit was a transformer. The…

Three Phase Transformer vs Single Phase Transformer: An Industrial Selection Guide
The facility manager in Shenzhen installed three single-phase transformers in 2022 to operate a 120 kVA motor control line which required transformers for its power needs. The system experienced multiple Variable Frequency Drive failures The system faced voltage drops during…

Power Transformers: The Complete Technical Guide for Engineers (2026)
The cost of a major transformer failure in a power system exceeds $10 million for utilities and industrial facilities because of required emergency repairs and equipment replacement and production downtime. Yet many engineering teams still struggle to cut through generic…

Compact Substation: A Complete Guide to Modern Power Distribution
The factory required dependable electricity service within a six-week timeframe. The traditional substation design needed four months because it required both civil construction work and permit acquisition, and actual construction operations at the site. They opted for a compact substation…

Oil Immersed Power Transformer: Complete Technical Guide & Selection Manual
The engineering team found a single specification error that caused the three-month delay of the Bhopal facility upgrade project in 2024. The team selected dry-type transformers for their outdoor substation but failed to consider the extreme summer temperatures that occur…

Phase Shifting Transformers: A Complete Guide to Technology, Applications & Market Trends 2025
In 2003, a singular piece of machinery altered the landscape of the Italian power grid overnight. Upon ABB’s commissioning of the 1,630 MVA phase-shifting transformer at a decisive interconnection point, the grid operators obtained the capability of instantaneously redirecting the…

Underground Pad Mount Transformer: Complete URD System Guide
What nobody realized was how essential the electricity supply was until the largest blackout in the history of the United States occurred due to the storm Sandy in October 2012. Along the Sandy coast, devastated neighborhoods with traditional overhead power…

Three Phase Dry Type Transformers: Complete Engineering Guide for Industrial Power Distribution
Upon the growth of the CNC machining center from the manufacturing plant in Suzhou last year, an important discovery was made by its electrical contractor. Three-phase transformers suitable for supplying the motor load of the newly installed machines could not…

Hermetically Sealed Oil Transformers: Complete Technical Guide for Industrial Applications
In 2019, a Danish offshore wind farm faced a problem, which made a difference. The first generation of conventional conservator-type transformers had developed premature insulation failures after just eight years. The first set had been plagued by the unwanted ingressions…