Ottó Bláthy
| Ottó Bláthy | |
|---|---|
 |
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| Native name | Bláthy Ottó |
| Born |
11 August 1860 Tata, Hungary |
| Died | 26 September 1939 (aged 79) Budapest, Hungary |
| Nationality | Hungarian |
| Fields | Electrical engineering |
| Known for | Electric transformer, parallel AC connection, and AC electricity meter |
Ottó Titusz Bláthy (11 August 1860 – 26 September 1939) was a Hungarian electrical engineer. In his career, he became the co-inventor of the modern electric transformer, the tension regulator (voltage stabilizer), the AC watt-hour meter,motor capacitor for the single-phase (AC) electric motors, the turbo generator, and the high-efficiency turbo generator.
Bláthy's career as an inventor began during his time at the Ganz Works in 1883. There, he conducted experiments for creating a transformer. It is noteworthy that the name "transformer" was created by Bláthy. In 1885 the ZBD model alternating-current transformer was invented by three Hungarian engineers: Ottó Bláthy, Miksa Déri and Károly Zipernowsky. (ZBD comes from the initials of their names). In the autumn of 1889 he patented the AC watt-meter.
He attended schools in Tata and Vienna, where he obtained diploma of machinery in 1882. Between 1881 and 1883 he worked at the machinery workshop of the Hungarian Railways (MAV). Attracted by the successes of Károly Zipernowsky, he joined his team on 1 July 1883. He admitted he had learnt nothing about electrotechnics in university, so he started to learn about the theory himself. Using the Maxwell equations he invented a practical approach of sizing magnetic coils. Kapp and Hopkinson (for whom Hopkinson's law is named) only published their findings later in 1886, and 1887.
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