Ottó Bláthy

Ottó Titusz Bláthy (11 August 1860 – 26 September 1939) was a Hungarian electrical engineer. During his career he became the co-inventor of the modern electric transformer, the tension regulator, the AC watt-hour meter, the turbo generator, the high-efficiency turbo generator and the motor capacitor for the single-phase (AC) electric motor.

The native form of this personal name is Bláthy Ottó. This article uses Western name order when mentioning individuals.
Ottó Bláthy
Bláthy Ottó
Born(1860-08-11)11 August 1860
Tata, Austrian Empire
Died26 September 1939(1939-09-26) (aged 79)
Budapest, Hungary
NationalityHungarian
Known forElectric transformer, parallel AC connection, and AC electricity meter
Scientific career
FieldsElectrical engineering

Bláthy's career as an inventor began during his time at the Ganz Works in 1883. There, he conducted experiments for creating a transformer. 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.

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