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Power injection to AC grid with non-sinusoidal supplies


Mohibullah, and Mariun, Norman and Ahmad, Shahzad (2002) Power injection to AC grid with non-sinusoidal supplies. In: 2nd World Engineering Congress, 22 - 25 July 2002, Sarawak, Malaysia. (pp. 29-34).

Abstract / Synopsis

Harmonic injection is the common problem when d.c. is inverted and fed to a.c. grid using inverters. Harmonic voltages and currents are generated on both d.c. and a.c. sides of the converters in DC/AC transmission systems. The harmonics, if not filtered out, enter the a.c. system and distort the system voltage waveform. Some of the serious harmful effects are extra losses and heating in machines, over voltages, torque pulsation in induction motors, interference in communication lines. The present paper describes the harmonic reduction using digital computer study. Optimum filter design is presented to reduce these harmonics to accepted levels. The real and reactive power at the point of common coupling is also studied.

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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
Keywords: Harmonic injection; DC/AC; Transmission systems; Non-sinusoidal supplies.
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 24 Feb 2015 15:19
Last Modified: 24 Feb 2015 17:33
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