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Harmonic analysis of distribution systems

✍ Scribed by C.S. Chen; J.S. Wu; I.H. Yen; C.S. Moo

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
456 KB
Volume
17
Category
Article
ISSN
0378-7796

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✦ Synopsis

This paper presents a program for analyzing and evaluating the harmonic components in a distribution system and describes the harmonic sources generated by various kinds of load components. The load energy models derived by EPRI are used to solve the load flow analysis of a distribution system at the fundamental frequency, and the harmonic equivalent circuits of induction motors are derived and applied in the simulation program. The harmonic load flow is solved by a current injection method based on the admittance matrix at each harmonic order. A Taipower distribution feeder was selected for demonstration to investigate the effects of harmonics on the distribution system. Furthermore, the impact of harmonics introduced by fluorescent lamps on a commercial feeder is simulated by this harmonic load flow program.

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## Abstract This paper discusses harmonic propagation and damping in a long‐distance distribution feeder having many capacitors for power factor correction, and presents harmonic damping characteristics of a shunt active filter based on voltage detection. A distributed constant‐circuit model for th