
The History of Transformers: From Faraday’s Discovery to Modern China
From Faraday’s first induction ring to China’s modern factories, transformer history explains why oil-immersed and dry-type designs still serve different jobs today
Column Introducton: Market Insights takes a wider view. We analyze leading manufacturers in China and globally, track trends in the power equipment industry, and provide the kind of honest, informed perspective that’s hard to find from a supplier with something to sell. We try to be useful even when the answer isn’t us.

From Faraday’s first induction ring to China’s modern factories, transformer history explains why oil-immersed and dry-type designs still serve different jobs today
Every transformer core alive today carries over 140 years of trial and error inside it. This article traces that history — from the first laminated wrought-iron core in 1884 to

In 1993, China’s decision to build the Three Gorges Dam triggered an unexpected competition: which city would manufacture the world’s largest power transformers — units weighing 400 tonnes each, at

In 1988, a 26-year-old technician took over a debt-ridden street transformer repair shop in Xinjiang with 53 employees and no hope. Today, that company is TBEA — the world’s largest
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