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Flicker Attenuation—Part I: Response of Three-Phase Induction Motors to Regular Voltage Fluctuations

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posted on 2024-11-15, 03:48 authored by S Tennakoon, Sarath PereraSarath Perera, D Robinson
Voltage fluctuations leading to lamp flicker that originate in one place in a power system tend to propagate to other parts of the network with some level of attenuation depending on the network impedances and the loads connected. Numerous subsynchronous- type frequency components exist in these voltage fluctuations that are responsible for lamp flicker. The rudimentary theory and the experimental measurements support the idea that industrial load bases, which contain a large percentage of mains-connected induction motors, tend to attenuate flicker better compared to residential load bases having mainly passive loads. This paper reports on the response of three-phase induction motors of several sizes when subjected to low-frequency voltage fluctuations: 1) the case where a balanced single-frequency component is superimposed on the mains voltage and 2) the case where the mains voltage is sinusoidally amplitude modulated, a scheme that is frequently used in the flicker-related work. Small-signal models are presented that will enable systematic understanding of the behavior which is verified using large signal models.

History

Citation

This article was originally published as Tennakoon, S, Perera, S & Robinson, D, Flicker Attenuation—Part I: Response of Three-Phase Induction Motors to Regular Voltage Fluctuations, IEEE Transactions on Power Delivery, 23(2), 2008, 1207-1214. Copyright Institute of Electrical and Electronics Engineers 2008. Original article available here

Journal title

IEEE Transactions on Power Delivery

Volume

23

Issue

2

Pagination

1207-1214

Language

English

RIS ID

26228

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