Page 78 - Power Quality in Electrical Systems

Harmonics and Interharmonics 61

600 V

400 V

200 V

0 V

−200 V

−400 V

−600 V
100 ms 110 ms 120 ms 130 ms 140 ms 150 ms 160 ms 170 ms 180 ms 190 ms 200 ms
V(Vline) Time
(b)
Figure 4.20 (Continued)

Summary
In this chapter, we developed harmonic analysis tools that will allow us
to analyze waveforms and thus determine harmonic content. Harmonics
cause many detrimental effects in equipment. In later chapters, we’ll dis-
cuss methods of reducing harmonics.

References
[4.1] M. Holland, “Fundamentals on Harmonics,” Proceedings of the 1999 Cement Industry
Technical Conference, IAS/PCA, April 11–15, 1999, pp. 55–67.
[4.2] J. Fourier, The Analytical Theory of Heat (translated by A. Freeman). New York:
Dover Publications, Inc., 1955. First published as Théorie Analytique de la Chaleur,
by Firmin Didot, Paris, 1822.
[4.3] Richard Lee Ozenbaugh, EMI Filter Design, Marcel Dekker, 1996.
[4.4] M. Mardiguian, M., EMI Troubleshooting Techniques, McGraw-Hill, 1999.
[4.5] National Semiconductor, application note AN-990.
[4.6] R. W. Erickson and D. Maksimovic, Fundamentals of Power Electronics, 2nd ed,
Springer, 2001.