Improving costs and scale reflect looming opportunities

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MemberThis paper presents the analysis and design of a shunt hybrid active filter for harmonic damping in a 6.6-kV power distribution system. This hybrid filter has been proposed and tested experimentally with a 200-V, 20-kW laboratory system, showing good damping performance. Another possible solution for harmonic damping is to install a shunt pure active filter at the end of a feeder. However, the pure filter is too costly and bulky to be installed in a 6.6-kV system. This paper discusses the design criteria for a hybrid filter intended for installation on a 6.6-kV power distribution system. Detailed comparisons between the pure filter and the hybrid filter are also included as a foundation for the design of the hybrid filter. The performed design confirms the feasibility of installation of the hybrid filter on a 6.6-kV power distribution system.