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In single-phase shunt active power filter (SAPF), there are several methods to obtain the best reference control current. The theory of instantaneous reactive power has been successfully used in three-phase symmetrical and asymmetrical power systems, but it is too complicated to apply into single-phase power systems because of complex coordination converting by single-phase to three-phase and then...
Active Power Filter (APF) is useful device to compensate the harmonics which are caused by the nonlinear load, and its performance index mainly depends on the parameter design and structure of controller. In order to solve this problem, new Hamilton model of active power filter is introduced and the Energy Shaping Control Principle is used to design controller which corrects the output current waveform...
A neural network adaptive detecting approach of harmonic current for APF (active power filter) is proposed in this paper. It bases on the adaptive noise canceling technology (ANCT). Regarding the fundamental current as noise source, it can be cancelled from the load current, and then the harmonic current is obtained. Artificial neural network (ANN) with two layers is used to cancel the harmonics....
The main purpose of this paper is the evaluation of the shunt active power filter apparent power ratio between the apparent power generated by the source power system to the load and the compensation apparent power produced by the shunt APF to force the currents circulating toward the source to be sinusoidal and balanced. This ratio allows defining the compensations capability for different perturbations...
In order to compensate more reactive power and lower the power level of the active power filter (APF), a hybrid filter system based on a combination of an APF and a thyristor switched capacitor (TSC) is presented. This system combines the good dynamic compensation performance of the APF and higher power level of the TSC. It can eliminate harmonics and compensate the power factor effectively in power...
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