Barai, Mili (2012) Power Quality Improvement using Shunt Hybrid Power Filter. MTech thesis.
Abstract
This
project report presents design, simulation and development of passive
shunt filter and shunt hybrid power filter (SHPF) for mitigation of the
power quality problem at ac mains in ac-dc power supply feeding to a
nonlinear load. The power filter is consisting of a shunt passive filter
connected in series with an active power filter. At first passive
filter has been designed to compensate harmonics. The drawback
associated with the passive filter like fixed compensation
characteristics and resonance problem is tried to solve by SHPF.
Simulations for a typical distribution system with a shunt hybrid power
filter have been carried out to validate the presented analysis.
Harmonic contents of the source current has been calculated and compared
for the different cases to demonstrate the influence of harmonic
extraction circuit on the harmonic compensation characteristic of the
shunt hybrid power filter.
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