Results 141 to 150 of about 946 (192)
Analysis and Modeling of Interharmonics From Grid-Connected Photovoltaic Systems [PDF]
IEEE Transactions on Power Electronics, 2018 The industry of solar photovoltaic (PV) energy and its application is still booming to enhance the sustainability of the society. When PV systems are connected to the grid, challenging issues should be addressed.
Frede Blaabjerg +2 more
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Time-Varying Interharmonics in Different Types of Grid-Tied PV Inverter Systems
IEEE Transactions on Power Delivery, 2020 Widely existing circuit topologies and inverter control strategies for photovoltaic (PV) systems allow customer flexibility but also introduce different kinds of interharmonics into the grid.
Vineetha Ravindran +2 more
exaly +2 more sources
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Interharmonics from a probabilistic perspective
IEEE Power Engineering Society General Meeting, 2005, 2005Some of the most remarkable issues related to interharmonics observed from a probabilistic perspective are presented. Attention is firstly devoted to interharmonic frequency and amplitude variability. Starting from the basic mathematical and computational aspects of probabilistic harmonic models, the difficulties to include interharmonics are discussed
LANGELLA, Roberto, TESTA, Alfredo
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On the phase sequence characteristics of interharmonics
2006 IEEE Power Engineering Society General Meeting, 2005Summary form only given. Phase sequence is an important attribute of voltages and currents in three phase power systems. This paper investigates the sequence characteristics of interharmonic components. Three common cases involving interharmonics are analyzed.
D. Zhang, W. Xu, Y. Liu
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Interharmonic - Flicker Curves of Lamps and Compatibility Lever for Interharmonic Voltages
2007 IEEE Lausanne Power Tech, 2007The aim of the paper is to describe procedures for systematical determination of immunity of lamps to supply voltage variations caused by interharmonics. The curve of lamp immunity is presented as an interharmonic magnitude versus interharmonic frequency curve and is called interharmonic-flicker curve.
J. Drapela, P. Toman
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IEEE Transactions on Power Delivery, 2005
Flickers and interharmonics have an inherent relationship. The magnitude of a voltage can fluctuate if it contains interharmonics. This paper proposes a limit for interharmonics by utilizing the published limits on voltage flicker. The limit is presented as an interharmonic-magnitude versus interharmonic-frequency curve and is called interharmonic ...
T. Tayjasanant, W. Wang, C. Li, W. Xu
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Flickers and interharmonics have an inherent relationship. The magnitude of a voltage can fluctuate if it contains interharmonics. This paper proposes a limit for interharmonics by utilizing the published limits on voltage flicker. The limit is presented as an interharmonic-magnitude versus interharmonic-frequency curve and is called interharmonic ...
T. Tayjasanant, W. Wang, C. Li, W. Xu
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Mitigation of Interharmonics in PV Systems With Maximum Power Point Tracking Modification [PDF]
IEEE Transactions on Power Electronics, 2019 Interharmonics are emerging power quality challenges in grid-connected Photovoltaic (PV) systems. Previous studies and field measurements have confirmed the evidence of interharmonic emission from PV inverters, where the Maximum Power Point Tracking ...
Frede Blaabjerg, Ariya Sangwongwanich
exaly +2 more sources
IEC flickermeter response to interharmonic pollution
2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951), 2005The paper discusses the response of flickermeters to interharmonic voltage pollution from theoretical and experimental points of view. Light flicker can be caused by interharmonics because these components are able to introduce fluctuations both in rms and peak value of supply voltage.
GALLO, Daniele +3 more
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Issues related to interharmonics
IEEE Power Engineering Society General Meeting, 2004., 2004Some of the most remarkable issues related to interharmonic modelling and simulation are presented. Starting from the basic mathematical aspects, attention is firstly devoted to interharmonic frequency and amplitude variability. Then, the extension of the classical models developed for harmonic modelling to include interharmonics is discussed with ...
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Voltage Flicker Caused by Two Interharmonics
2006 Canadian Conference on Electrical and Computer Engineering, 2006Flickers and interharmonics have an inherent relationship. The magnitude of a voltage can fluctuate if it contains interharmonics. This paper investigates the amount of voltage fluctuation caused by two interharmonic components since interharmonics are often produced in pairs.
Jing Yong, Caixin Sun, Wilsun Xu
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