Constantin Budeanu (28 February 1886 – 27 February 1959) was a

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

electrical engineer Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

who contributed to the analysis of electric networks states and the SI system of units.

Life and work

He was born in

Buzău The city of Buzău (formerly spelled ''Buzeu'' or ''Buzĕu''; ) is the county seat of Buzău County, Romania, in the historical region of Muntenia. It lies near the right bank of the Buzău River, between the south-eastern curvature of the Carp ...

. In 1903 he was admitted at the School of Bridges, Roads and Mines, obtaining his engineering diploma in 1909. He then studied electricity in

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. Si ...

with a V. Adamachi scholarship. Budeanu proposed the unit electric reactive power (the term ''var'') and he introduced the concept of ''

deformed power Deformed power is a concept in electrical engineering which characterize the distortion to the sinusoidal states in electric network. It was introduced by Constantin Budeanu in 1927. It is defined by the following formula: :S = \sqrt {P^2 + Q^2 + D ...

'' in electric networks.IEC wepage

Writings

*''Puissances reactives et fictives'' 1927 *''Sistemul general practic de mărimi și unitati'' (The General Practical System of Quantities and Units) 1957

Awards

He was awarded the Order of Labour by the communist authorities of Romania.

Notes

References

* I.S. Antoniu ''Constantin Budeanu'' monograph, Romanian Academy's Publisher 1986 1959 deaths 1886 births People from Buzău Romanian electrical engineers Titular members of the Romanian Academy Politehnica University of Bucharest alumni Politehnica University of Bucharest faculty {{Romania-bio-stub