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For grid-connected inverter, an LCL-type filter is widely used to suppress switching harmonics, and the capacitor current feedback is used to suppress the LCL resonance. In the published literatures, the relation among LCL parameters, capacitor current feedback and resonance damping was discussed; however, their relation with the low-order current distortion was not seriously considered. Considering...
Harmonic Cancellation Technique (HCT) is a modulation technique which has been developed to reduce the output voltage THD of three phase voltage source inverters (VSI) when they are used to feed simultaneously both linear and non-liner loads. The HCT is based on the proper pre-distortion of the inverter output voltage in order to cancel out the low frequency harmonic content due to the non linear...
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