Download Harmonic Balance Finite Element Method: Applications in by Junwei Lu, Xiaojun Zhao, Sotoshi Yamada PDF

By Junwei Lu, Xiaojun Zhao, Sotoshi Yamada

The first e-book using HBFEM to useful digital nonlinear box and circuit problems 

• Examines and solves large features of sensible electric and digital nonlinear box and circuit difficulties offered by way of HBFEM
• Combines the most recent learn paintings with crucial history wisdom, delivering an all-encompassing reference for researchers, energy engineers and scholars of utilized electromagnetics analysis
• There are only a few books facing the answer of nonlinear electrical- power-related problems
• The contents are in response to the authors’ decades’ examine and adventure; they procedure the topic in a well-designed and logical way
• it really is anticipated that HBFEM becomes a extra helpful and sensible procedure over the following five years a result of HVDC strength approach, renewable power method and clever Grid, HF magnetic utilized in DC/DC converter, and Multi-pulse transformer for HVDC energy supply
• HBFEM supplies powerful and financial recommendations to R&D product development
• comprises Matlab exercises

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Extra info for Harmonic Balance Finite Element Method: Applications in Nonlinear Electromagnetics and Power Systems

Example text

9. 8. The transformer primary winding is driven symmetrically such that the net volt-seconds applied over two switching periods is equal to zero. During the first switching period, transistors Q1 and Q4 conduct. 3 C. 10. This transformer-isolated converter is also based on the buck converter. It requires a single transistor, and therefore finds application at power levels lower than those encountered in the full bridge circuit. 5. The transformer is reset while transistor Q1 is in the off state.

The frequency of these sinusoids is an integer multiple of the frequency represented by the fundamental periodic waveform. The waveform on the above, for example, is described entirely by one sinusoid – the fundamental – since it contains no harmonic distortion. 2 B. Frequency Domain Model All periodic waves can be generated with sine waves of various frequencies. The Fourier theorem breaks down a periodic wave into its component frequencies. Therefore, the frequency domain (FD) presentation allows us to see the amplitudes of the frequencies that make up a signal.

Harmonics in Power Systems, International Conference on Renewable Energies and Power Quality, (ICREPQ’09) Valencia (Spain), 15th to 17th April, 2009. D. (no date). Electrical Harmonics: An Introduction and Overview of What That Means to You. A. (1996). Power Electronic Converter Harmonics. IEEE Press. [5] IEEE Power and Energy Society Technical Council Task Force on Geomagnetic Disturbances (2013). Geomagnetic Disturbances – Their Impact on the Power Grid. IEEE Power & Energy Magazine 11(4), 71–78.

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