Impact of Nonlinear Lighting Loads on the Neutral Conductor Current of Low Voltage Residential Grids

Jairo Hernández, Andrés A. Romero, Jan Meyer and Ana María Blanco
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Jairo Hernández: Instituto de Energía Eléctrica, Universidad Nacional de San Juan, San Juan 5400, Argentina
Andrés A. Romero: Instituto de Energía Eléctrica, Universidad Nacional de San Juan, San Juan 5400, Argentina
Jan Meyer: Institut für Elektrische Energieversorgung und Hochspannungstechnik (IEEH), Technische Universität Dresden, 01062 Dresden, Germany
Ana María Blanco: Institut für Elektrische Energieversorgung und Hochspannungstechnik (IEEH), Technische Universität Dresden, 01062 Dresden, Germany

Energies, 2020, vol. 13, issue 18, 1-20

Abstract: In the last decade, mainly due to political incentives towards energy efficiency, the share of lamps with power electronic interfaces, like Compact Fluorescent Lamps (CFL) and Light Emitting Diode (LED) lamps, has significantly increased in the residential sector. Their massive use might have a substantial impact on harmonic currents and, consequently, on the current flowing in the neutral conductor. This paper analyzes the impact of modern energy-efficient lighting technologies on the neutral conductor current by using a synthetic Low Voltage residential grid. Different load scenarios reflecting the transition from incandescent lamps, via CFL, to LED lamps are compared concerning the neutral conductor current at different points in the network. The inherent randomness related to the use of lighting devices by each residential customer is considered employing a Monte Carlo simulation. Obtained results show that the use of CFL has a greater impact on the neutral conductor current of Low Voltage (LV) residential grids and that, with increasing use of LED lamps, a decreasing impact can be expected in the future.

Keywords: CFL; harmonic distortion; incandescent lamps; neutral current; LED lamps; low voltage residential grid; probabilistic assessment (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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