A practical approach to harmonic compensation in power systems-series connection of passive and active filters
Hideaki Fujita,Hirofumi Akagi +1 more
- 07 Oct 1990
- Vol. 27, Iss: 6, pp 1020-1025
TL;DR: A combined system consisting of a passive filter and a small-rated active filter that are connected in series is discussed as a method of overcoming power system harmonic interferences caused by harmonic-producing loads such as diode or thyristor converters and cycloconverters.
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Abstract: The authors present a combined system with a passive filter and a small-rated active filter, both connected in series with each other. The passive filter removes load produced harmonics just as a conventional filter does. The active filter plays a role in improving the filtering characteristics of the passive filter. This results in a great reduction of the required rating of the active filter and in eliminating all the limitations faced by using only the passive filter, leading to a practical and economical system. The active filter has a much smaller rating than a conventional active filter. Experimental results obtained from a prototype model are shown to verify the theory developed. >
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References
Instantaneous Reactive Power Compensators Comprising Switching Devices without Energy Storage Components
TL;DR: In this paper, a new instantaneous reactive power compensator comprising switching devices is proposed, which requires practically no energy storage components, and is based on the instantaneous value concept for arbitrary voltage and current waveforms.
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Control Strategy of Active Power Filters Using Multiple Voltage-Source PWM Converters
TL;DR: In this article, an active power filter with quadruple voltage-source PWM converters was developed, of which the power circuit consists of quadruple-VRS converters.
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Compensation characteristics of the combined system of shunt passive and series active filters
Fang-Zheng Peng,Hirofumi Akagi,Akira Nabae +2 more
- 01 Oct 1989
TL;DR: In this article, a combined system of shunt passive and small rated series active filters, as well as its operating principle and steady compensation characteristics, was previously presented by the authors (1988).
244
A line voltage regulator/conditioner for harmonic-sensitive load isolation
S. Moran
- 01 Oct 1989
TL;DR: In this paper, a line voltage regulator/conditioner (LVRC) is proposed for the isolation of harmonic-sensitive loads from nonlinear, distortion-producing loads on the input side by correcting for the harmonic voltage distortion present at the input.
108
A New Approach to Harmonic Compensation in Power Systems
TL;DR: In this paper, a novel approach to compensate for harmonics in power systems is proposed, which consists of a small-VA-rating PWM (pulsewidth-modulated) converter and a passive filter.
53