Abstract
This study is focused on the energy consumption parameters of large, higher-density lighting installations such as factory halls, commercial centres, offices and many other space-limited areas. Current oscillations are related only to installations with the discharge lamps supplied by standard magnetic ballasts. Those oscillations occur under normal operating conditions as a result of the presence of a good quality resonant circuit formed by the complex net impedance and the compensation capacitors of installed luminaries. Those oscillations cause power losses which can lead to the malfunction of the power grid.Presented here are the studies of the four different types of luminary wirings: parallel compensation, DUO (serial) compensation, mixed wiring and group compensation. The objective is to choose the wiring arrangement with the best combination of serviceability and consumption parameters. Measurement of real systems were used for analysis and verification.
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