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Design and Control of Hybrid Active Power Filters by Chi-Seng Lam, Man-Chung Wong

By Chi-Seng Lam, Man-Chung Wong

Design and keep an eye on of Hybrid energetic strength Filters offers an summary of the present caliber difficulties and their compensators. To get a stability among the method price and function, hybrid lively strength filters (HAPFs) are useful. The booklet offers the assurance of resonance phenomena prevention power, filtering functionality and method robustness research of HAPF; nonlinear inverter present slope features and their linear operation sector requirement research of the hysteresis PWM for the HAPF; minimal inverter skill layout method of HAPF, adaptive dc-link voltage controller for the HAPF and the true layout instance of a 220V 10kVA HAPF, within which the approach functionality research procedure, minimal dc voltage deduction thought and adaptive dc voltage proposal may be extra prolonged into the opposite lively compensators, comparable to APF, static synchronous compensator STATCOM, and so forth. This publication will profit researchers, graduate scholars, and electrical energy engineers within the box of power-quality compensation.

Dr. Chi-Seng Lam and Dr. Man-Chung Wong are either from the collage of Macau, Macao, China.

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Extra resources for Design and Control of Hybrid Active Power Filters

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These simulation results verify the previous PPF and HAPF in enhancing system robustness analyses as shown in Figs. 11. 2, they clearly illustrate that the HAPF is capable to prevent the parallel resonance between the PPF and the power system impedance, series resonance of the PPF, to improve the filtering characteristic of the PPF, and to enhance the system robustness. Moreover, they verify the PPF and HAPF steady-state compensating performance analyses. 4 Summary In this chapter, a single-phase harmonic circuit model of the three-phase four-wire center-split HAPF is deduced and built.

11 verify that the HAPF has capability to enhance the system robustness even though Ls is varying. 12 shows the corresponding simulation results for the system robustness enhancement capability: (a) when only PPF is utilized and (b) HAPF is employed. When Ls increases from 1 to 3 mH, the harmonic current amplification point of the pure PPF will move to the lower frequency side. This results in enlarging the third-order harmonic current at the power system side as shown in Fig. 12a. 0 %. The increase of THDisx is due to the decrease of the system current fundamental component and the increase of the third-order harmonic current.

56(3), 670–677 (2009) 13. R. T. Chacko, N. Goel, Performance and investigation of hybrid filters for Power Quality Improvement, in 5th International Power Engineering and Optimization Conference, PEOCO, 2011, pp. 93–97 14. T. J. Wolfs, Systematic identification and review of hybrid active filter topologies, in Proceedings of. IEEE 33rd Annual Power Electronics Specialists Conference, PESC. 02, vol. 1, 2002, pp. 394–399 15. S. J. Wolfs, Analysis and design of a multiple-loop control system for a hybrid active filter.

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