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An online harmonic estimation technique is proposed based on lifting wavelet transforms. The effectiveness of this technique is successfully verified in the paper through analyzing the current samples supplied to a practical building network which are unbalanced and corrupted with noise. Combining with a novel synchronization technique based on the energy operator principle, this scheme is applied...
This paper will consider the benefits of neural controllers over model-based current regulators to supervise the current generation of a shunt active power filter. The task consists in generating appropriate compensation currents with a system composed of a voltage source inverter and a low-pass filter. These currents cancel the harmonic terms introduced by nonlinear loads in a power distribution...
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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