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Monitoring of electric power quality in administrative building

Janíček F., Eleschová Ž., Beláň A.

Zeszyty Naukowe. Elektryka / Politechnika Opolska

2006

Vol. 315, z. 56

165-186

In this paper we deal with a power quality monitoring in a low-voltage electrical circuits in administrative building and with its evolution in accordance with valid technical standard STN EN 50 160. Target of performed measurements was also to measure the current through neutral wire in the view of the triplen harmonic influence. We also realized measurements of potential sources of the higher harmonics in electrical network - transformer, compact fluorescent lamps, and modern appliances with switch-mode power supply concept.