Influence of Voltage Subharmonics on Line Start Permanent Magnet Synchronous Motor

Gnaciński, Piotr; Muc, Аdаm; Pepliński, Marcin

doi:10.1109/access.2021.3133279

Cited by 15 publications

(20 citation statements)

References 35 publications

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“…Table 1 lists the nameplate parameters of the LSPMSM, and Figure 1 shows a photograph with the mounted accelerometer. Because of some modifications, the results of vibration measurements presented in this study cannot be directly compared with previous research [36,37]. mum shock level peak of 5100 g, and weight of 14.5 g).…”

Section: Measurement Setupmentioning

confidence: 91%

“…In addition, previous research [5,[35][36][37][38] indicated high transverse vibration of the rotating machinery for no-load, while in other load conditions, the observed vibration was generally moderate. At the same time, at least temporarily, many motors carry a load much less than rated [42,43], but this is not typical.…”

Section: Introductionmentioning

confidence: 91%

“…Subharmonics and, interconnected with them, voltage fluctuations cause various noxious phenomena in transformers, light sources, control systems, and power electronic and measurement equipment [4,7,16,24,27,29,30]. Especially sensitive to subharmonics is rotating machinery (based on [5,14,23,27,[31][32][33][34][35][36][37][38][39]). Subharmonics have been reported to cause excessive transverse and torsional vibrations, increases in power losses and windings temperatures, local saturations of magnetic circuits, and speed fluctuations.…”

Section: Introductionmentioning

confidence: 99%

“…They usually concern either multi-megawatt powertrains [10,14] or induction motors [5,23,28,[31][32][33][34][35]. Furthermore, the effect of SaIs on the line-start permanent magnet synchronous motor (LSPMSM) [40,41] was only preliminarily analysed in the authors' works [36,37]. Of note, the investigations [36,37] were restricted to currents and vibration under positive-sequence subharmonics.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the effect of SaIs on the line-start permanent magnet synchronous motor (LSPMSM) [40,41] was only preliminarily analysed in the authors' works [36,37]. Of note, the investigations [36,37] were restricted to currents and vibration under positive-sequence subharmonics. However, determining the permissible levels of voltage SaIs requires comprehensive investigations of their effect on various elements of a power system, including the increasingly popular LSPMSM-a possible successor to the induction motor.…”

Section: Introductionmentioning

confidence: 99%

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Line-Start Permanent Magnet Synchronous Motor Supplied with Voltage Containing Negative-Sequence Subharmonics

Gnaciński,

Pepliński,

Muc

et al. 2023

Energies

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In some power systems, the voltage waveform contains frequency components less than fundamental, called subharmonics or subsynchronous interharmonics. Voltage subharmonics can be both positive- and negative-sequence, independent of their frequency (order). Subharmonics exert harmful effects on sundry electrical equipment, especially on rotating machinery; they cause various noxious phenomena, such as a local saturation of the magnetic circuit, increases in power losses and windings temperature, and torque pulsations leading to vibration of unacceptable severity. Notably, previous works reported excessive vibration of rotating machinery only under no-load, while under full load, rather moderate vibration occurred. This study deals with vibration analysis of a line-start permanent magnet synchronous motor (LSPMSM) supplied with the voltage containing negative-sentence subharmonics. Experimental investigations were conducted for a 3 kW, four-pole production LSPMSM for subharmonics of various values and frequencies. Voltage subharmonics of values significantly less than reported in real power systems were found to cause unacceptable vibration, especially under full load.

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Section: Measurement Setupmentioning

confidence: 91%